What is the process for local jurisdictions to adopt more-stringent energy requirements?

Grounded in the retrieved California Building Code — click a citation to read the verbatim passage:

• CBC § 101.7.1. High relevance — show source text

  This code does not limit the authority of city, county, or city and county governments to make necessary changes to the provisions contained in this code pursuant to Section 101.7.1. The effective date of amendments, additions or deletions to this code for cities, counties, or cities and counties filed pursuant to Section 101.7.1 shall be the date on which it is filed. However, in no case shall the amendments, additions or deletions to this code be effective any sooner than the effective date of this code.

  Local modifications shall comply with Health and Safety Code Section 18941.5(b) for Building Standards Law, Health and Safety Code Section 17958.5 for State Housing Law or Health and Safety Code Section 13869.7 for Fire Protection Districts.

  101.7.1 Findings and filings.

  1. The city, county, or city and county shall make express findings for each amendment, addition or deletion based upon climatic, topographical or geological conditions. For the purpose of this section, climatic, topographical or geological conditions include local environmental conditions as established by the city, county, or city and county.

  2. The city, county, or city and county shall file the amendments, additions or deletions expressly marked and identified as to the applicable findings. Cities, counties, cities and counties, and fire departments shall file the amendments, additions or deletions and the findings with the California Building Standards Commission at 2525 Natomas Park Drive, Suite 130, Sacramento, CA 95833.

  3. Findings prepared by fire protection districts shall be ratified by the local city, county, or city and county and filed with the California Department of Housing and Community Development at 9342 Tech Center Drive, Suite 500, Sacramento, CA 95826.

  4. The city, county, or city and county shall obtain California Energy Commission approval for any energy- related ordinances consistent with Public Resources Code Section 25402.1(h)(2) and Title 24, Part 1, Section 10-106. Local governmental agencies may adopt and enforce energy standards for newly constructed buildings, additions, alterations and repairs, provided the California Energy Commission finds that the standards will require buildings to be designed to consume no more energy than permitted by Part 6. Such local standards include, but are not limited to, adopting the requirements of Part 6 before their effective date, requiring additional energy conservation measures, or setting more stringent energy budgets.

  101.8 Alternate materials, designs and methods of construction. The provisions of this code are not intended to prevent the use of any alternate material, appliance, installation, device, arrangement, method, design or method of construction not specifically prescribed by this code, provided that any such alternative has been approved. An alternate shall be approved on a case-by-case basis where the enforcing agency finds that the proposed alternate is satisfactory and complies with the intent of the provisions of this code and is at least the equivalent of that prescribed in this code in planning and design, energy, water, material conservation and resource efficiency, environmental air quality, performance, safety and the protection of life and health. Consideration and compliance provisions for occupancies regulated by adopting state agencies are found in the sections listed below.

  1. Section 1.2.3 in the California Building Code (CBC) for the California Building Standards Commission.
  2. Section 104.2.3 in the California Building Code (CBC) for the Division of the State Architect.
• CBC § 201.1 High relevance — show source text

  APPENDIX A5-12 2025 CALIFORNIA GREEN BUILDING STANDARDS CODE

  on Jul 18, 2025 11:14 AM (CDT) THEREUNDER.

  A5 NONRESIDENTIAL VOLUNTARY MEASURES

  DIVISION A5.2 – ENERGY EFFICIENCY

  SECTION A5.201—GENERAL

  A5.201.1 Scope. For the purposes of mandatory energy efficiency standards in this code, the California Energy Commission will continue to adopt mandatory standards. It is the intent of these voluntary provisions to encourage local jurisdictions through codification to achieve exemplary performance in the area of building energy efficiency. Local jurisdictions adopting these voluntary provisions as mandatory local energy efficiency standards shall submit the required application and receive the required findings of the California Energy Commission in compliance with Title 24, Part 1, Section 10-106, prior to enforcement. Once the required filing has been verified and finding has been made by the Energy Commission, local jurisdictions shall file an ordinance expressly marking the local modifications along with findings and receive the required acceptance from the California Building Standards Commission in compliance with Section 101.7 of this code, prior to enforcement (Title 24, Part 1, Section 10-106 is available at https://www.energy.ca.gov/programs-and-topics/programs/building-energy-efficiency-standards/2025-building-energy-efficiency

  SECTION A5.202—DEFINITIONS

  A5.202.1 Definitions. The following terms are defined in Chapter 2.

  ENERGY BUDGET.

  GEOTHERMAL.

  LONG-TERM SYSTEM COST (LSC).

  PROCESS.

  RECOVERED ENERGY, ON-SITE.

  SOLAR ACCESS.

  SOLAR POOL HEATING SYSTEM.

  SECTION A5.203—PERFORMANCE APPROACH

  A5.203.1 Energy efficiency. Nonresidential, high-rise residential and hotel/motel buildings that include lighting and/or mechanical systems shall comply with Sections A5.203.1.1 and A5.203.1.2. Newly constructed buildings and additions are included in the scope of these sections. Buildings permitted without lighting or mechanical systems shall comply with Section A5.203.1.1 but are not required to comply with Section A5.203.1.2.

  A5.203.1.1 Tier 1 and Tier 2 prerequisites. To comply with Tier 1, ONE of the following efficiency measures is required for all applicable components of the building project. To comply with Tier 2, TWO of the following efficiency measures are required.

  A5.203.1.1.1 Outdoor lighting. Outdoor lighting requirements are described below.

  A5.203.1.1.1.1 Newly installed outdoor lighting power shall be no greater than 90 percent of the Allowed Outdoor Lighting Power, and general hardscape lighting within the scope of Title 24, Part 6, Section 140.7(b)1 shall have a color temperature no higher than 3000K. The Allowed Outdoor Lighting Power calculation is specified in Title 24, Part 6, Section 140.7, Requirements for Outdoor Lighting.

  Exception to Section A5.203.1.1.1.1:

• CBC § 170.1 Medium relevance — show source text

  A. The Efficiency LSC energy is the sum of the LSC energy for space-conditioning, water heating, mechanical ventilation, lighting and the self-utilization credit. B. The Total LSC energy is the sum of the Efficiency LSC energy and LSC energy from the photovoltaic system, battery energy storage systems (BESS), and demand flexibility. 2. Source energy. The source energy budget is determined by applying the mandatory and prescriptive requirements of the standard design, except with a consumer gas or propane water heater, to the proposed design building.

  Exception to Section 170.1(a): A community shared solar electric generation system, or other renewable electric generation system, and/or community shared BESS, that provides dedicated power, utility energy reduction credits or payments for energy bill reductions to the permitted building and is approved by the Energy Commission as specified in Title 24, Part 1, Section 10-115, may offset part or all of the solar electric generation system or BESS LSC energy required to comply with the standards, as calculated according to methods established by the Commission in the Nonresidential ACM Reference Manual.

  (b) Compliance demonstration requirements for performance standards.

  1. Certificate of Compliance and Application for a Building Permit. The application for a building permit shall include documentation pursuant to Sections 10-103(a)1 and 10-103(a)2 that demonstrates, using an approved calculation method, that the building has been designed so that its source energy and LSC energy consumption do not exceed the standard design energy budgets for the applicable climate zone.
  2. Field verification of individual dwelling unit systems. When performance of installed features, materials, components, manufactured devices or systems above the minimum specified in Section 170.2 is necessary for the building to comply with Section 170.1, or is necessary to achieve a more stringent local ordinance, field verification shall be performed in accordance with the applicable requirements in the following subsections, and the results of the verification(s) shall be documented on applicable Certificates of Installation pursuant to Section 10-103(a)3 and applicable Certificates of Verification pursuant to Section 10-103(a)5. A. EER2/SEER2/CEER/HSPF2 Rating. When performance compliance requires installation of a space-conditioning system with a rating that is greater than the minimum rating required by Table 170.2-K or specified for the standard

  2025 CALIFORNIA ENERGY CODE 237

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  MULTIFAMILY BUILDINGS—PERFORMANCE AND PRESCRIPTIVE COMPLIANCE APPROACHES

  design, the installed system shall be field verified in accordance with the procedures specified in the applicable sections of Reference Residential Appendix RA3. B. Variable capacity heat pump (VCHP) compliance option. When performance compliance requires installation of a heat pump system that meets all the requirements of the VCHP compliance option specified in the ACM Reference Manual, the system shall be field verified in accordance with the procedures in Reference Residential Appendix RA3.4.4.3.

  C. Low leakage air handler. When performance compliance requires installation of a low leakage air-handling unit, the installed air handling unit shall be field verified in accordance with the procedures specified in Reference Residential Appendix RA3.1.4.3.9. D. Thermal balancing valve. When performance compliance requires installation of thermal balancing valves with variable speed circulation pump(s), the installation shall meet the procedures specified in Reference Residential Appendix RA4.4.3. E. Heat pump—rated heating capacity.

• CBC § 10-109 Medium relevance — show source text

  (b) Performance approach. A building complies with the performance approach if the energy consumption calculated for the proposed design building is no greater than the energy budget calculated for the standard design building using Commission-certified compliance software as specified by Sections 10-109(c) and 10-116.

  1. Energy budget. The energy budget is expressed in terms of source energy and long-term system cost (LSC). A. Long-term system cost (LSC). The LSC energy budget is determined by applying the mandatory and prescriptive requirements of the standard design to the proposed design building and has two components, the Efficiency LSC and the Total LSC.

  i. The Efficiency LSC energy is the sum of the LSC energy for space-conditioning, water heating, mechanical ventilation, and the self-utilization credit.

  ii. The Total LSC energy is the sum of the Efficiency LSC energy and LSC energy from the photovoltaic system, battery energy storage systems (BESS), lighting, demand flexibility, and other plug loads. B. Source energy. The source energy budget is determined by applying the mandatory and prescriptive requirements of the standard design to the proposed design building. The source energy is the total annual source energy. Exception to Section 150.1(b)1. A community shared solar electric generation system, or other renewable electric generation system, or community shared BESS, which provides dedicated power, utility energy reduction credits, or payments for energy bill reductions to the permitted building and is approved by the Energy Commission as specified in Title 24, Part 1, Section 10-115, may offset part or all of the solar electric generation system and demand flexibility Energy Design Rating required to comply with the Standards, as calculated according to methods established by the Commission in the Residential ACM Reference Manual.

  2. Compliance demonstration requirements for performance standards. A. Certificate of compliance and application for a building permit. The application for a building permit shall include documentation pursuant to Sections 10-103(a)1 and 10-103(a)2 which demonstrates, using an approved calculation method, that the building has been designed so that its energy consumption does not exceed the standard design energy budgets for the applicable climate zone. Exception to Section 150.1(b)2A Multiple orientation: A permit applicant may demonstrate compliance with the energy budget requirements of Section 150.1(a) and (b) for any orientation of the same building model if the documentation demonstrates that the building model with its proposed designs and features would comply in each of the four cardinal orientations.

  B. Field verification. When performance of installed features, materials, components, manufactured devices or systems above the minimum specified in Section 150.1(c) is necessary for the building to comply with Section 150.1(b), or is necessary to achieve a more stringent local ordinance, field verification shall be performed in accordance with the applicable requirements in the following subsections, and the results of the verification(s) shall be documented on applicable certificates of installation pursuant to Section 10-103(a)3 and applicable certificates of verification pursuant to Section 10-103(a)5. i. EER2/SEER2/CEER/HSPF2 Rating. When performance compliance requires installation of a space-conditioning system with a rating that is greater than the minimum rating required by Table 150.1-A or specified for the standard design, the installed system shall be field verified in accordance with the procedures specified in the applicable sections of Reference Residential Appendix RA3.4. ii. **Variable capacity heat pump (VCHP) compliance option.

• CBC § 1.1.8.2 Medium relevance — show source text

  1.1.8.2 California Energy Code Requirements for Locally Adopted Energy Standards. In addition to the provisions of Section 1.1.8.1 of this part, local jurisdic- tions that adopt changes to energy conservation or insu- lation standards (including energy efficiency measures) may not enforce such changes until the California Energy Commission has made the findings required by Public Resources Code Section 25402.1(h)(2), following the process specified in Section 10-106 of the California Administrative Code.

  1.1.9 Effective Date of This Code. Only those standards approved by the California Building Standards Commission that are effective at the time an application for building permit is submitted shall apply to the plans and specifications for, and to the construction performed under, that permit. For the effective dates of the provisions contained in this code, see the History Note page of this code.

  Exceptions: (1) [HCD 1 & HCD 2] Retroactive permits issued in accor- dance with Health and Safety Code Section 17958.12.

  (2) [HCD 1 & HCD 2] Plans approved by the Department of Housing and Community Development or a Department- approved design approval agency for factory-built housing as defined by Health and Safety Code Section 19971. Approved plans, pursuant to the California Code of Regu- lations, Title 25, Division 1, Chapter 3, Subchapter 1, Article 3, Section 3037 remain valid for a period of 36 months from the date of plan approval.

  1.1.10 Availability of Codes. At least one complete copy each of Titles 8, 19, 20, 24, and 25 with all revisions shall be main- tained in the office of the building official responsible for the administration and enforcement of this code. Each state department concerned and each city, county, or city and county shall have an up-to-date copy of the code available for public inspection, see Health and Safety Code Section 18942(e)(1) and (2).

  1.1.11 Format. This part fundamentally adopts the Uniform Mechanical Code by reference on a chapter-by-chapter basis. When a specific chapter of the Uniform Mechanical Code is not printed in the code and is marked “Reserved”, such chapter of the Uniform Mechanical Code is not adopted as a portion of this code. When a specific chapter of the Uniform Mechanical Code is marked “Not adopted by the State of California” but appears in the code, it may be available for adoption by local ordinance.

  Note: Matrix Adoption Tables at the front of each chapter may aid the code user in determining which chapter or sections within a chapter are applicable to buildings under the authority of a specific state agency, but they are not to be considered regulatory.

  1.1.12 Validity. If any chapter, section, subsection, sentence, clause, or phrase of this code is for any reason held to be unconstitutional, contrary to statute, exceeding the authority of the state as stipulated by statutes or otherwise inoperative, such decision shall not affect the validity of the remaining portion of this code.

  1.2.0 Building Standards Commission.

• CBC § 140.0 Medium relevance — show source text

  Note to Section 140.0(c): The Commission periodically updates, publishes and makes available to interested persons and local enforcement agencies precise descriptions of the climate zones, which is available by zip code boundaries depicted in the Reference Joint Appendices along with a list of the communities in each zone.

  Note to Section 140.0: The requirements of Sections 140.1 through 140.10 apply to newly constructed buildings. Section 141.0 specifies which requirements of Sections 140.1 through 140.10 also apply to additions or alterations to existing buildings.

  Note: Authority: Sections 25213, 25218, 25218.5, 25402 and 25402.1, Public Resources Code. Reference: Sections 25007, 25008, 25218.5, 25310, 25402, 25402.1, 25402.4, 25402.5, 25402.8, and 25943, Public Resources Code.

  SECTION 140.1—PERFORMANCE APPROACH: ENERGY BUDGETS

  A building complies with the performance standards if the energy consumption calculated for the proposed design building is no greater than the energy budget calculated for the standard design building using Commission-certified compliance software as specified by Sections 10-109(c) and 10-116.

  (a) Energy budget. The energy budget is expressed in terms of long-term system cost (LSC) and source energy.

  1. Long-term system cost (LSC). The LSC energy budget is determined by applying the mandatory and prescriptive requirements of the standard design to the proposed design building and has two components, the Efficiency LSC and the Total LSC.

  A. The Efficiency LSC energy is the sum of the LSC energy for space-conditioning, water heating, mechanical ventilation, and lighting. B. The Total LSC energy is the sum of the Efficiency LSC energy and LSC energy from the photovoltaic system, battery energy storage systems (BESS) and demand flexibility. 2. Source energy . The source energy budget is determined by applying the mandatory and prescriptive requirements of the standard design to the proposed design building.

  Exception to Section 140.1(a). A community shared solar electric generation system, or other renewable electric generation system, and/or community shared BESS, that provides dedicated power, utility energy reduction credits or payments for energy bill reductions to the permitted building and is approved by the Energy Commission as specified in Title 24, Part 1, Section 10-115, may offset part or all of the solar electric generation system or BESS LSC energy required to comply with the standards, as calculated according to methods established by the Commission in the Nonresidential ACM Reference Manual.

  Note: Authority: Sections 25213, 25218, 25218.5, 25402 and 25402.1, Public Resources Code. Reference: Sections 25007, 25008, 25218.5, 25310, 25402, 25402.1, 25402.4, 25402.5, 25402.8, and 25943, Public Resources Code.

  SECTION 140.2—PRESCRIPTIVE APPROACH

  To comply using the prescriptive approach a building shall be designed with and shall have constructed and installed systems and components meeting the applicable requirements of Sections 140.3 through 140.10.

• CBC § 5.106.6 Medium relevance — show source text

  5.106.6 Reserved.

  5.106.7 Reserved.

  5.106.8 Light pollution reduction. [N] Outdoor lighting systems shall be designed and installed to comply with the following:

  1. The minimum requirements in the California Energy Code for Lighting Zones 0-4 as defined in Chapter 10, Section 10-114 of the California Administrative Code ; and
  2. Backlight (B) ratings as defined in IES TM-15-11 (shown in Table A-1 in Chapter 8);
  3. Uplight and Glare ratings as defined in California Energy Code (shown in Tables 130.2-A and 130.2-B in Chapter 8) and
  4. Allowable BUG ratings not exceeding those shown in Table 5.106.8 [N], or

  Comply with a local ordinance lawfully enacted pursuant to Section 101.7, whichever is more stringent.

  Exceptions:

  1. Luminaires that qualify as exceptions in Sections 130.2(b) and 140.7 of the California Energy Code.
  2. Emergency lighting.
  3. Building facade meeting the requirements in Table 140.7-B of the California Energy Code, Part 6.
  4. Custom lighting features as allowed by the local enforcing agency, as permitted by Section 101.8 Alternate materials, designs and methods of construction.
  5. Luminaires with less than 6,200 initial luminaire lumens.

  5.106.8.1 Facing – Backlight. Luminaires within 2MH of a property line shall be oriented so that the nearest property line is behind the fixture, and shall comply with the backlight rating specified in Table 5.106.8 based on the lighting zone and distance to the nearest point of that property line.

  Exception: Corners. If two property lines (or two segments of the same property line) have equidistant points to the luminaire, then the luminaire may be oriented so that the intersection of the two lines (the corner) is directly behind the luminaire. The luminaire shall still use the distance to the nearest point(s) on the property lines to determine the required backlight rating.

  5.106.8.2 Facing – Glare. For luminaires covered by 5.106.8.1, if a property line also exists within or extends into the front hemisphere within 2MH of the luminaire then the luminaire shall comply with the more stringent glare rating specified in Table 5.106.8 based on the lighting zone and distance to the nearest point on the nearest property line within the front hemisphere.

  Notes:

  1. See also California Building Code, Chapter 12, Section 1204.7 for college campus lighting requirements for parking facilities and walkways.

  2. Refer to Chapter 8 (Compliance Forms, Worksheets and Reference Material) for IES TM-15-11 Table A-1, California Energy Code Tables 130.2-A and 130.2-B.

  3. Refer to the California Energy Code for requirements for additions and alterations.

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  NONRESIDENTIAL MANDATORY MEASURES

  |TABLE 5.106.8 [N]—MAXIMUM ALLOWABLE BACKLIGHT, UPLIGHT AND GLARE (BUG) RATINGS1,

• California Building Code Medium relevance — show source text

  |100 psf|1 hr
  23 min|||7|1, 2|11/3| |F/C-4-RC-9|4″|4″ deep (4370 psi);1/4″ reinforcement bars
  at 6″ pitch with3/4″ cover;1/4″ main rein-
  forcement bars at 4″ pitch perpendicular
  with1/2″ cover; 13′1″ span restrained.|150 psf|2 hrs|||7|1, 3|2| |F/C-4-RC-10|4″|4″ thick (5140 psi) deck;1/4″ reinforce-
  ment bars at 71/2″ pitch with7/8″ cover;3/8″
  main reinforcement bars at 33/4″ pitch
  perpendicular with1/2″ cover; 13′1″ span
  restrained.|140 psf|1 hr
  16 min|||7|1, 5|11/4| |F/C-4-RC-11|4″|4″ thick (4000 psi) concrete deck;
  3″ × 11/2″ × 4 lbs R.S.J.; 2′6″ C.R.S.; flush
  with top surface; 4″ × 6″ x 13 SWG mesh
  reinforcement 1″ from bottom of slab; 6′6″
  span restrained.|150 psf|2 hrs|||7|1, 3|2| |F/C-4-RC-12|4″|4″ deep (2380 psi) concrete deck;
  3″ × 11/2″ × 4 lbs R.S.J.; 2′6″ C.R.S.; flush
  with top surface; 4″ × 6″ x 13 SWG mesh
  reinforcement 1″ from bottom surface;
  6′6″ span restrained.|150 psf|1 hr
  3 min|||7|1, 2|1| |F/C-4-RC-13|41/2″|41/2″ thick (5200 psi) deck;1/4″ reinforce-
  ment bars at 71/4″ pitch with7/8″ cover;3/8″
  main reinforcement bars at 33/4″ pitch
  perpendicular with1/2″ cover; 13′1″ span
  restrained.|140 psf|2 hrs|||7|1, 3|2| |F/C-4-RC-14|41/2″|41/2″ deep (2525 psi) concrete deck;1/4″
  reinforcement bars at 71/2″ pitch with7/8″
  cover;3/8″ main reinforcement bars at
  33/8″ pitch perpendicular with1/2″ cover;
  13′1″ span restrained.|150 psf|42 min|||7|1, 5|2/3| |F/C-4-RC-15|41/2″|41/2″ deep (4830 psi) concrete deck;
  11/2″ × No.

• CBC § 1.2 Medium relevance — show source text

  [BSC] This is an example of a state agency acronym used to identify an adoption or amendment by the agency. The acronyms will appear at California Amendments and in the Matrix Adoption Tables. Sections 1.2 through 1.14 in Chapter 1, Division 1 of this code, explain the used acronyms, the application of state agency adoptions to building occupancies or building features, the enforcement agency as designated by state law (may be the state adopting agency or local building or fire official), the authority in state law for the state agency to make the adoption, and the specific state law being implemented by the agency’s adoption. The following acronyms are used in Title 24 to identify the state adopting agency making an adoption.

  Legend of Acronyms of Adopting State Agencies

  BSC California Building Standards Commission (see Section 1.2)

  BSC-CG California Building Standards Commission-CALGreen (see Section 1.2.2)

  BSCC Board of State and Community Corrections (see Section 1.3)

  SFM Office of the State Fire Marshal (see Section 1.11)

  HCD 1 Department of Housing and Community Development (see Section 1.8.2.1.1)

  HCD 2 Department of Housing and Community Development (see Section 1.8.2.1.3)

  HCD 1/AC Department of Housing and Community Development (see Section 1.8.2.1.2)

  DSA-AC Division of the State Architect-Access Compliance (see Section 1.9.1)

  DSA-SS Division of the State Architect-Structural Safety (see Section 1.9.2)

  DSA-SS/CC Division of the State Architect-Structural Safety/Community Colleges (see Section 1.9.2.2)

  OSHPD 1 Office of Statewide Hospital Planning and Development (see Section 1.10.1)

  OSHPD 1R Office of Statewide Hospital Planning and Development (see Section 1.10.1)

  OSHPD 2 Office of Statewide Hospital Planning and Development (see Section 1.10.2)

  OSHPD 3 Office of Statewide Hospital Planning and Development (see Section 1.10.3)

  OSHPD 4 Office of Statewide Hospital Planning and Development (see Section 1.10.4)

  OSHPD 5 Office of Statewide Hospital Planning and Development (see Section 1.10.5)

  OSHPD 6 Office of Statewide Hospital Planning and Development (see Section 1.10.6)

  DPH Department of Public Health (see Section 1.7)

  AGR Department of Food and Agriculture (see Section 1.6)

  CEC California Energy Commission (see Section 100 in Part 6, the California Energy Code)

  CA Department of Consumer Affairs (see Section 1.4): Board of Barbering and Cosmetology Board of Examiners in Veterinary Medicine Board of Pharmacy Acupuncture Board Bureau of Household Goods & Services Structural Pest Control Board (SPCB)

  SL State Library (see Section 1.12)

  SLC State Lands Commission (see Section 1.14)

  DWR Department of Water Resources (see Section 1.13 of Chapter 1 of the California Plumbing Code in Part 5 of Title 24)

• CBC § 201.1 Medium relevance — show source text

  DIVISION A5.2 – ENERGY EFFICIENCY

  (Matrix Adoption Tables are nonregulatory, intended only as an aid to the code user. See Chapter 1 for state agency authority and building applications.)

  Adopting agency	BSC	BSC- CG	SFM	HCD	Col6	Col7	DSA	Col9	OSHPD	Col11	Col12	Col13	Col14	Col15	BSCC	DPH	AGR	DWR	CEC	CA	SL	SLC
  Adopting agency	BSC	BSC- CG	SFM	1	2	1/AC	AC	SS	1	1R	2	3	4	5	5	5	5	5	5	5	5	5
  Adopt entire CA chapter
  Adopt entire chapter as amended (amended sections listed below)
  Adopt only those sections that are listed below																			X
  Chapter/Section
  Appendix A5.2																			X

  2025 CALIFORNIA GREEN BUILDING STANDARDS CODE APPENDIX A5-11

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  APPENDIX A5-12 2025 CALIFORNIA GREEN BUILDING STANDARDS CODE

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  A5 NONRESIDENTIAL VOLUNTARY MEASURES

  DIVISION A5.2 – ENERGY EFFICIENCY

  SECTION A5.201—GENERAL

  A5.201.1 Scope. For the purposes of mandatory energy efficiency standards in this code, the California Energy Commission will continue to adopt mandatory standards. It is the intent of these voluntary provisions to encourage local jurisdictions through codification to achieve exemplary performance in the area of building energy efficiency. Local jurisdictions adopting these voluntary provisions as mandatory local energy efficiency standards shall submit the required application and receive the required findings of the California Energy Commission in compliance with Title 24, Part 1, Section 10-106, prior to enforcement. Once the required filing has been verified and finding has been made by the Energy Commission, local jurisdictions shall file an ordinance expressly marking the local modifications along with findings and receive the required acceptance from the California Building Standards Commission in compliance with Section 101.7 of this code, prior to enforcement (Title 24, Part 1, Section 10-106 is available at https://www.energy.ca.gov/programs-and-topics/programs/building-energy-efficiency-standards/2025-building-energy-efficiency

  SECTION A5.202—DEFINITIONS

  A5.202.1 Definitions. The following terms are defined in Chapter 2.

  ENERGY BUDGET.

  GEOTHERMAL.

• CBC § 25402.1 Medium relevance — show source text

  4. The city, county, or city and county shall obtain California Energy Commission approval for any energy- related ordinances consistent with Public Resources Code Section 25402.1(h)(2) and Title 24, Part 1, Section 10-106. Local governmental agencies may adopt and enforce energy standards for newly constructed buildings, additions, alterations and repairs, provided the California Energy Commission finds that the standards will require buildings to be designed to consume no more energy than permitted by Part 6. Such local standards include, but are not limited to, adopting the requirements of Part 6 before their effective date, requiring additional energy conservation measures, or setting more stringent energy budgets.

  101.8 Alternate materials, designs and methods of construction. The provisions of this code are not intended to prevent the use of any alternate material, appliance, installation, device, arrangement, method, design or method of construction not specifically prescribed by this code, provided that any such alternative has been approved. An alternate shall be approved on a case-by-case basis where the enforcing agency finds that the proposed alternate is satisfactory and complies with the intent of the provisions of this code and is at least the equivalent of that prescribed in this code in planning and design, energy, water, material conservation and resource efficiency, environmental air quality, performance, safety and the protection of life and health. Consideration and compliance provisions for occupancies regulated by adopting state agencies are found in the sections listed below.

  1. Section 1.2.3 in the California Building Code (CBC) for the California Building Standards Commission.
  2. Section 104.2.3 in the California Building Code (CBC) for the Division of the State Architect.
  3. Section 1.8.7 in the California Building Code (CBC); and Section 1.8.7 in the California Residential Code (CRC) for the Department of Housing and Community Development.
  4. Section 7-104 in the California Administrative Code for the Office of the Statewide Health Planning and Development.

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  ADMINISTRATION

  101.9 Effective date of this code. Only those standards approved by the California Building Standards Commission that are effective at the time an application for a building permit is submitted shall apply to the plans and specifications for, and to the construction performed under, that permit. For the effective dates of the provisions contained in this code, see the appropriate application checklist and the History Note page of this code.

  101.10 Mandatory requirements. This code contains both mandatory and voluntary green building measures. Mandatory and voluntary measures are identified in the appropriate application checklist contained in this code.

  101.11 Effective use of this code. The following steps shall be used to establish which provisions of this code are applicable to a specific occupancy:

  1. Establish the type of occupancy.
  2. Verify which state agency has authority for the established occupancy by reviewing the authorities list in Sections 103 through 106.
  3. Once the appropriate agency has been identified, find the chapter which covers the established occupancy.
  4. The Matrix Adoption Tables at the beginning of Chapters 4 and 5 identify the mandatory green building measures necessary to meet the minimum requirements of this code for the established occupancy.
  5. Voluntary tier measures are contained in Appendix Chapters A4 and A5. A checklist containing each green building measure, both required and voluntary, is provided at the end of each appendix chapter.
• CBC § 6.44 Medium relevance — show source text

  17|6.44|6.66|6.99|7.23|7.40| |45|75|30|6.08|6.34|6.54|6.84|7.06|7.22| |44|75|31|6.00|6.24|6.43|6.71|6.90|7.05| |43|75|32|5.91|6.15|6.33|6.58|6.76|6.89| |42|75|33|5.83|6.07|6.23|6.47|6.63|6.75| |41|75|34|5.74|5.98|6.14|6.36|6.51|6.62| |46|80|34|5.74|5.98|6.14|6.36|6.51|6.62| |40|75|35|5.65|5.90|6.05|6.26|6.40|6.51| |45|80|35|5.65|5.90|6.05|6.26|6.40|6.51| |44|80|36|5.56|5.81|5.97|6.17|6.30|6.40| |43|80|37|5.46|5.73|5.89|6.08|6.21|6.30| |42|80|38|5.35|5.64|5.80|6.00|6.12|6.20| |41|80|39|5.23|5.54|5.71|5.91|6.03|6.11| |46|85|39|5.23|5.54|5.71|5.91|6.03|6.11| |40|80|40|5.10|5.44|5.62|5.83|5.95|6.03| |45|85|40|5.10|5.44|5.62|5.83|5.95|6.03| |44|85|41|4.96|5.33|5.55|5.74|5.86|5.94| |43|85|42|4.81|5.21|5.42|5.66|5.78|5.86| |42|85|43|4.63|5.08|5.31|5.56|5.69|5.77| |41|85|44|4.45|4.93|5.19|5.46|5.60|5.69| |40|85|45|4.24|4.77|5.06|5.35|5.50|5.59| |Condenser DT2|Condenser DT2|Condenser DT2|14.04|11.23|9.36|7.02|5.62|4.68| |1. LIFT = Entering Condenser Water Temperature (°F) – Leaving Chilled Water Temperature (°F)
  2.

• CBC § 201.1 Medium relevance — show source text

  SECTION A4.201—GENERAL

  A4.201.1 Scope. For the purposes of mandatory energy efficiency standards in the California Building Standards Code (Title 24), the California Energy Commission will continue to adopt mandatory standards in the California Energy Code (Title 24, Part 6). It is the intent of these voluntary provisions to encourage local jurisdictions through codification to achieve exemplary performance in the area of building energy efficiency. Local jurisdictions adopting these voluntary provisions as mandatory local energy efficiency standards shall submit the required application and receive the required approval of the California Energy Commission in compliance with Title 24, Part 1, Section 10-106 prior to enforcement. Once the required filing has been verified and finding has been made by the Energy Commission, local jurisdictions shall file an ordinance expressly marking the local modification along with findings and receive the required acceptance from the California Building Standards Commission in compliance with Section 101.7 of this code, prior to enforcement. (Title 24, Part 1, Section 10-106 is available at https://www.energy.ca.gov/programs-and-topics/programs/build- ing-energy-efficiency-standards/2025-building-energy-efficiency

  SECTION A4.202—DEFINITIONS

  A4.202.1 Definitions. The following terms are defined in Chapter 2.

  ENERGY BUDGET.

  LONG-TERM SYSTEM COST (LSC).

  RECOVERED ENERGY, ON-SITE.

  SOLAR POOL HEATING SYSTEM.

  SECTION A4.203—PERFORMANCE APPROACH FOR NEWLY CONSTRUCTED BUILDINGS

  A4.203.1 Energy efficiency. Newly constructed low-rise residential buildings shall comply with Sections A4.203.1.1 through A4.203.1.4.

  A4.203.1.1 Long-term system cost (LSC). LSC rating for the building’s Proposed Design shall be computed by Compliance Software certified by the Energy Commission as specified in Title 24, Part 6, Section 100.1 and 150.1(b), and shall reduce the LSC required in the Compliance Software for minimum performance-based compliance with the California Energy Code by the compliance margin specified in Table A4.203.1.1. The rating shall be included in the Certificate of Compliance documentation.

  TABLE A4.203.1.1—RECOMMENDED LSC MARGINS BY CLIMATE ZONES	Col2
  CALIFORNIA ENERGY CODE CLIMATE ZONE	TOTAL LSC COMPLIANCE MARGIN
  1	2.70
  2	1.62
  3	1.10
  4	1.11
  5	1.01
  6	0.24
  7	0.24
  8	0.21
  9	0.20
  10	0.18
  11	1.11
  12	1.05
  13	0.96
  14	1.21
  15	0.59
  16	1.68
  Note: Community shared options complying with Title 24, Part 1, Section 10-115 may be used to achieve LSC targets.	Note: Community shared options complying with Title 24, Part 1, Section 10-115 may be used to achieve LSC targets.

  2025 CALIFORNIA GREEN BUILDING STANDARDS CODE APPENDIX A4-9

• CBC § 5.2 Medium relevance — show source text

  CALIFORNIA GREEN BUILDING STANDARDS CODE – MATRIX ADOPTION TABLE

  CHAPTER 5 – NONRESIDENTIAL MANDATORY MEASURES

  DIVISION 5.2 – ENERGY EFFICIENCY

  (Matrix Adoption Tables are nonregulatory, intended only as an aid to the code user. See Chapter 1 for state agency authority and building applications.)

  Adopting agency	BSC	BSC- CG	SFM	HCD	Col6	Col7	DSA	Col9	OSHPD	Col11	Col12	Col13	Col14	Col15	BSCC	DPH	AGR	DWR	CEC	CA	SL	SLC
  Adopting agency	BSC	BSC- CG	SFM	1	2	1/AC	AC	SS	1	1R	2	3	4	5	5	5	5	5	5	5	5	5
  Adopt entire CA chapter
  Adopt entire chapter as amended (amended sections listed below)
  Adopt only those sections that are listed below																			X
  Chapter/Section
  Division 5.2																			X

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  5 NONRESIDENTIAL MANDATORY MEASURES

  DIVISION 5.2 – ENERGY EFFICIENCY

  SECTION 5.201—GENERAL

  5.201.1 Scope. California Energy Code . For the purposes of mandatory energy efficiency standards in this code, the California Energy Commission will continue to adopt mandatory building standards.

  2025 CALIFORNIA GREEN BUILDING STANDARDS CODE 5-15

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  CALIFORNIA GREEN BUILDING STANDARDS CODE – MATRIX ADOPTION TABLE

  CHAPTER 5 – NONRESIDENTIAL MANDATORY MEASURES

  DIVISION 5.3 – WATER EFFICIENCY AND CONSERVATION

  (Matrix Adoption Tables are nonregulatory, intended only as an aid to the code user. See Chapter 1 for state agency authority and building applications.)

• CBC § 5-13 Medium relevance — show source text

  2025 CALIFORNIA GREEN BUILDING STANDARDS CODE 5-13

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  5-14 2025 CALIFORNIA GREEN BUILDING STANDARDS CODE

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  5 NONRESIDENTIAL MANDATORY MEASURES

  DIVISION 5.2 – ENERGY EFFICIENCY

  SECTION 5.201—GENERAL

  5.201.1 Scope. California Energy Code . For the purposes of mandatory energy efficiency standards in this code, the California Energy Commission will continue to adopt mandatory building standards.

  2025 CALIFORNIA GREEN BUILDING STANDARDS CODE 5-15

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  CALIFORNIA GREEN BUILDING STANDARDS CODE – MATRIX ADOPTION TABLE

  CHAPTER 5 – NONRESIDENTIAL MANDATORY MEASURES

  DIVISION 5.3 – WATER EFFICIENCY AND CONSERVATION

  (Matrix Adoption Tables are nonregulatory, intended only as an aid to the code user. See Chapter 1 for state agency authority and building applications.)

  Adopting agency	BSC	BSC- CG	SFM	HCD	Col6	Col7	DSA	Col9	OSHPD	Col11	Col12	Col13	Col14	Col15	BSCC	DPH	AGR	DWR	CEC	CA	SL	SLC
  Adopting agency	BSC	BSC- CG	SFM	1	2	1/AC	AC	SS	1	1R	2	3	4	5	5	5	5	5	5	5	5	5
  Adopt entire CA chapter		X
  Adopt entire chapter as amended (amended sections listed below)
  Adopt only those sections that are listed below								X
  Chapter/Section
  5.301.1								X
  5.302.1 Definitions								X
  5.303.3.1								X
  5.303.3.2								X
  5.303.3.3								X
  5.303.3.4								X
  5.303.6								X
  5.304.6 and subsections		†						X

  The state agency does not adopt sections identified by the following symbol: †.

• CBC § 3.8 Medium relevance — show source text

  3.8||||X|X|||||X|X|X|X|X|X|X||||||||| |110.3.10 – 110.3.11|||X|X|X|||||X|X|X|X|X|X|X||||||||| |110.3.12 – 110.3.12.1||||X|X|||||||||||||||||||| |110.3.12.2||||X|X|||||||||||||||||||| |110.4 – 110.6|||X|||||||X|X|X|X|X|X|X||||||||| |111 – 112|||X|||||||X|X|X|X|X|X|X||||||||| |113||||||||||X|X|X|X|X|X|X||||||||| |114.1 – 114.2|||X|||||||X|X|X|X|X|X|X||||||||| |114.3||||||||||X|X|X|X|X|X|X||||||||| |115 – 116|||X|||||||X|X|X|X|X|X|X|||||||||

  The state agency does not adopt sections identified by the following symbol: The Office of the State Fire Marshal’s adoption of this chapter or individual sections is applicable to structures regulated by other state agencies pursuant to Section 1.11.

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  1 ADMINISTRATION

  DIVISION I CALIFORNIA ADMINISTRATION

  SECTION 1.1—GENERAL

  1.1.1 Title. These regulations shall be known as the California Building Code, may be cited as such and will be referred to herein as “this code.” The California Building Code is Part 2 of thirteen parts of the official compilation and publication of the adoption, amendment and repeal of building regulations to the California Code of Regulations, Title 24, also referred to as the California Building Standards Code. This part incorporates by adoption the 2024 International Building Code of the International Code Council with necessary Califor- nia amendments.

  1.1.2 Purpose. The purpose of this code is to establish the minimum requirements to safeguard the public health, safety and general welfare through structural strength, means of egress facilities, stability, access to persons with disabilities, sanitation, adequate lighting and ventilation and energy conservation; safety to life and property from fire and other hazards attributed to the built environment; and to provide safety to firefighters and emergency responders during emergency operations.

  1.1.3 Scope. The provisions of this code shall apply to the construction, alteration, movement, enlargement, replacement, repair, equip- ment, use and occupancy, location, maintenance, removal and demolition of every building or structure or any appurtenances connected or attached to such buildings or structures throughout the State of California.

  1.1.3.1 Nonstate-regulated buildings, structures and applications. Except as modified by local ordinance pursuant to Section 1.1.8, the following standards in the California Code of Regulations, Title 24, Parts 2, 2.5, 3, 4, 5, 6, 7, 9, 10 and 11 shall apply to all occupancies and applications not regulated by a state agency.

• CBC § 301.5 Medium relevance — show source text

  301.5 Health Facilities. [OSHPD 1, 2 & 4] Health facilities under the jurisdiction of the Office of Statewide Health Planning and Development (OSHPD) are required to comply with the mandatory measures prescribed in Section 5.304, Outdoor Water Use. Compliance with Section 5.304, as adopted by the Building Standards Commission, is enforced by the local agency having jurisdiction. Evidence of local approval shall be submitted to OSHPD prior to issuance of plan approval or a building permit.

  2025 CALIFORNIA GREEN BUILDING STANDARDS CODE 3-3

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  GREEN BUILDING

  SECTION 302—MIXED OCCUPANCY BUILDINGS

  302.1 Mixed occupancy buildings. In mixed occupancy buildings, each portion of a building shall comply with the specific green building measures applicable to each specific occupancy.

  Exceptions:

  1. [HCD] Accessory structures and accessory occupancies serving residential buildings shall comply with Chapter 4 and Appendix A4, as applicable.
  2. [HCD] For the purposes of CALGreen, live/work units, complying with Section 508.5 of the California Building Code, shall not be considered mixed occupancies. Live/work units shall comply with Chapter 4 and Appendix A4, as applicable.

  SECTION 303—PHASED PROJECTS

  303.1 Phased projects. For shell buildings and others constructed for future tenant improvements, only those code measures relevant to the building components and systems considered to be new construction (or newly constructed) shall apply.

  303.1.1 Initial tenant improvements. The provisions of this code shall apply only to the initial tenant improvements to a project. Subsequent tenant improvements shall comply with the scoping provisions in Section 301.3 nonresidential additions and alterations.

  SECTION 304—VOLUNTARY TIERS

  304.1 Purpose. Voluntary tiers are intended to further encourage building practices that improve public health, safety and general welfare by promoting the use of building concepts which minimize the building’s impact on the environment and promote a more sustainable design.

  304.1.1 Tiers. The provisions of Divisions A4.6 and A5.6 outline means, in the form of voluntary tiers, for achieving enhanced construction levels by incorporating additional measures for residential and nonresidential new construction. Voluntary tiers may be adopted by local governments and, when adopted, enforced by local enforcing agencies. Buildings complying with tiers specified for each occupancy contain additional prerequisite and elective green building measures necessary to meet the threshold of each tier. See Section 101.7 of this code for procedures and requirements related to local amendments, additions or deletions, including changes to energy standards.

  [BSC & HCD] Where there are practical difficulties involved in complying with the threshold levels of a tier, the enforcing agency may grant modifications for individual cases. The enforcing agency shall first find that a special individual reason makes the strict letter of the tier impractical and that modification is in conformance with the intent and purpose of the measure. The details of any action granting modification shall be recorded and entered in the files of the enforcing agency.

  SECTION 305 [OSHPD 1]— CALGreen TIER 1 AND CALGreen TIER 2

  305.1 CALGreen Tier 1 and CALGreen Tier 2 buildings contain voluntary green building measures necessary to meet the threshold of each level.

• CBC § 1.10.4.3 Medium relevance — show source text

  1.10.4.3 Identification of amendments. For applications listed in Section 1.10.4, amendments appear in this code preceded with the acronym [OSHPD 4], unless the entire chapter is applicable.

  1.10.4.4 Reference to other chapters. Where reference is made within this code to sections in Chapters 16, 17, 18, 19, 21 and 22, the respective sections in Chapters 16A, 17A, 18A, 19A, 21A and 22A shall apply instead.

  Authority— Health and Safety Code Sections 127010, 127015 and 129790.

  References— Health and Safety Code Sections 127010, 127015, 1275 and 129675 through 130070.

  1.10.5 OSHPD 5. Specific scope of application of the agency responsible for enforcement, enforcement agency and the specific authority to adopt and enforce such provisions of this code, unless otherwise stated.

  Application— Acute psychiatric hospital buildings.

  Enforcing agency— Health Care Access and Information/Office of Statewide Hospital Planning and Development (OSHPD). The office shall also enforce the California Energy Commission—Energy Regulations, the Division of the State Architect—Access Compliance regulations and the regulations of the Office of the State Fire Marshal for the above-stated facility type.

  1.10.5.1 Applicable administrative standards. 1. Title 24, Part 1, California Code of Regulations: Chapter 7. 2. Title 24, Part 2, California Code of Regulations: Sections 1.1 and 1.10, Chapter 1, Division I, and as adopted in Chapter I, Division II.

  1.10.5.2 Applicable building standards. California Building Standards Code, Title 24, Parts 2, 3, 4, 5, 6, 9, 10 and 11.

  The provision of Title 24, Part 2, as adopted and amended by OSHPD, shall apply to the applications listed in Section 1.10.5.

  OSHPD 5 adopts the following building standards in Title 24, Part 2:

  Chapters 2 through 10, 12, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 30, 31, 32, 33 and 35.

  1.10.5.3 Identification of amendments. For applications listed in Section 1.10.5, amendments appear in this code preceded with the acronym [OSHPD 5].

  Authority— Health and Safety Code Sections 127010, 127015, 1275 and 129850.

  References— Health and Safety Code Sections 127010, 127015, 129680, 1275 and 129675 through 130070.

  1.10.6 OSHPD 6. Specific scope of application of the agency responsible for enforcement, enforcement agency and the specific authority to adopt and enforce such provisions of this code, unless otherwise stated.

  Application —Chemical dependency recovery hospital not within an acute care hospital building or an acute psychiatric facility.

  Enforcing agency —Local building department.

• CBC § 101.1 Medium relevance — show source text

  1 ADMINISTRATION

  SECTION 101—GENERAL

  101.1 Title. These regulations shall be known as the California Green Building Standards Code, may be cited as such, and will be referred to herein as “this code.” It is intended that it shall also be known as the CALGreen Code. The California Green Building Stan- dards Code is Part 11 of thirteen parts of the official compilation and publication of the adoption, amendment and repeal of building regulations to the California Code of Regulations, Title 24, also referred to as the California Building Standards Code.

  101.2 Purpose. The purpose of this code is to improve public health, safety and general welfare by enhancing the design and construction of buildings through the use of building concepts having a reduced negative impact or positive environmental impact and encouraging sustainable construction practices in the following categories:

  1. Planning and design.
  2. Energy efficiency.
  3. Water efficiency and conservation.
  4. Material conservation and resource efficiency.
  5. Environmental quality.

  101.3 Scope. The provisions of this code shall apply to the planning, design, operation, construction, use and occupancy of every newly constructed building or structure, unless otherwise indicated in this code, throughout the State of California.

  It is not the intent that this code substitute or be identified as meeting the certification requirements of any green building

  program.

  101.3.1 State-regulated buildings, structures and applications. Provisions of this code shall apply to the following buildings, structures and applications regulated by state agencies as specified in Sections 103 through 106, except where modified by local ordinance pursuant to Section 101.7. When adopted by a state agency, the provisions of this code shall be enforced by the appropriate enforcing agency, but only to the extent of authority granted to such agency by statute.

  1. State-owned buildings, including buildings constructed by the Trustees of the California State University, and to the extent permitted by California law, buildings designed and constructed by the Regents of the University of California and regulated by the Building Standards Commission. See Section 103 for additional scoping provisions.

  2. Energy efficiency standards regulated by the California Energy Commission.

  3. All residential buildings constructed throughout the State of California, including but not limited to, hotels, motels, lodging houses, apartments, dwellings, dormitories, condominiums, shelters for homeless persons, congregate residences, employee housing, factory-built housing and other types of dwellings containing sleeping accommodations with or without common toilets or cooking facilities regulated by the Department of Housing and Community Development. See Section 104 for additional scoping provisions.

  4. Public elementary and secondary schools, and community college buildings regulated by the Division of the State Architect. See Section 105 for additional scoping provisions.

  5. Qualified historical buildings and structures and their associated sites regulated by the State Historical Building Safety Board within the Division of the State Architect.

  6. General acute care hospitals, acute psychiatric hospitals, skilled nursing and/or intermediate care facilities, clinics licensed by the Department of Public Health and correctional treatment centers regulated by the Office of Statewide Health Planning and Development. See Section 106 for additional scoping provisions.

  7. Graywater systems regulated by the Department of Water Resources and the Department of Housing and Community Development.

  8. Green building standards for occupancies where no state agency has authority or expertise, adopted by the California Building Standards Commission. See Section 103 for additional scoping provisions.

• CBC § 203.1.2.1 Medium relevance — show source text

  In addition, a minimum of two of
  the efficiency measures specified in Sections A4.203.1.2.1 through
  A4.203.1.2.8 will be required to be met.
  · Roof Deck Insulation or Ducts in Conditioned Space.
  · High-performance Walls.
  · Compact Hot Water Distribution System.
  · Drain Water Heat Recovery.
  · High Performance Vertical Fenestration.
  · Heat Pump Water Heater Demand Management.
  · Battery Storage System Controls.
  · **Heat Pump Space and Water Heating.||2|2|||| |**A4.203.1.3 Consultation with local electric service provider.**Local
  jurisdictions considering adoption of reduced EDR targets based on
  using solar photovoltaic (PV) systems larger than required by the
  California Energy Code shall consult with the local electric service
  provider to ensure that that PV system sizing required to comply with
  the EDR targets will be acceptable to the local electric service
  provider.||2|2||||

  2025 CALIFORNIA GREEN BUILDING STANDARDS CODE APPENDIX A4-25

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  APPENDIX A4 — RESIDENTIAL VOLUNTARY MEASURES

  SECTION A4.602—RESIDENTIAL OCCUPANCIES APPLICATION CHECKLIST—continued

  FEATURE OR MEASURE	LEVELS APPLICANT TO SELECT ELECTIVE MEASURES	Col3	Col4	VERIFICATIONS ENFORCING AGENCY TO SPECIFY VERIFICATION METHOD	Col6	Col7
  FEATURE OR MEASURE	Mandatory	Prerequisites and electives1	Prerequisites and electives1	Enforcing Agency  All	Installer or Designer  All	Third party  All
  FEATURE OR MEASURE	Mandatory	Tier 1	Tier 2	Tier 2	Tier 2	Tier 2
  WATER EFFICIENCY AND CONSERVATION
  Indoor Water Use
  4.303.1Plumbing fixtures (water closets and urinals) and fittings (showerheads, faucets and pre-rinse spray valves) installed in residential buildings shall comply with the prescriptive requirements of Sections 4.303.1.1 through 4.303.1.4.5.						
  4.303.2 Submeters for multifamily building and dwelling units in **mixed-use residential/commercial buildings.

• CBC § 101.7. Medium relevance — show source text

  Green building measures listed in this table may be mandatory if adopted by a city, county, or city and county as specified in Section 101.7.
  2. Required prerequisite for this Tier.
  3. These measures are currently required elsewhere in statute or in regulation.|1. Green building measures listed in this table may be mandatory if adopted by a city, county, or city and county as specified in Section 101.7.
  2. Required prerequisite for this Tier.
  3. These measures are currently required elsewhere in statute or in regulation.|

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  APPENDIX A4-30 2025 CALIFORNIA GREEN BUILDING STANDARDS CODE

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  DIVISION A4.7 – RESIDENTIAL MODEL ORDINANCE

  A4.701.1 General. The voluntary measures of this code are designed and promulgated to be adopted by reference and made mandatory by local ordinance pursuant to Section 101.7. Jurisdictions wishing to adopt the voluntary provisions of this code as an enforceable regulation governing structures and premises should ensure that certain factual information is included in the adopting ordinance and that the measures are appropriate and achievable and are considered to be suitable as mandatory by the city, county, or city and county. The following sample adoption ordinance addresses several key elements of a code adoption ordinance, including the information required for insertion into the code text.

  This code does not limit the authority of city, county, or city and county government to make necessary changes to the provisions contained in this code.

  SAMPLE RESOLUTION FOR ADOPTION OF THE TIER 1 OR TIER 2 PROVISIONS OF THE CALIFORNIA GREEN BUILDING STANDARDS CODE WITH OR WITHOUT ADDITIONAL ITEMS NECESSARY TO ADDRESS INNOVATIVE CONCEPTS OR LOCAL ENVIRONMENTAL CONDITIONS.

  ATTACHMENT___.

  SAMPLE RESOLUTION ADOPTING THE CALIFORNIA GREEN BUILDING STANDARDS CODE APPENDICES AS A MANDATORY REFERENCE STANDARD

  CITY OF ________________________

  RESOLUTION # __________________

  RESOLUTION ADOPTING ENHANCED GREEN BUILDING MEASURES FOR NEW AND EXISTING RESIDENTIAL CONSTRUCTION.

  WHEREAS, the City/County of ______’s (City or County) General Plan sets forth goals for preserving and improving the natural and built environment of the City/County, protecting the health of its residents and visitors, and fostering its economy; and

  WHEREAS, green building is a holistic approach to design, construction and demolition that minimizes the building’s impact on the environment, the occupants and the community; and

  WHEREAS, green buildings benefit building industry professionals, residents and communities by improving construction quality; increasing building durability; reducing utility, maintenance, water and energy costs; creating healthier homes; and enhancing comfort and livability; and

  WHEREAS, the California Green Building Standards Code appendices have included voluntary tiers to provide a city, county, or city and county, building professionals, and the general public with a range of voluntary green building measures for builders to choose from when constructing homes in California; and