Residential EV readiness & parking

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

• § 4.106.4.2.3 High relevance — show source text

  4.106.4.2.3 Reserved.

  4.106.4.2.4 Reserved.

  4.106.4.2.5 Electric vehicle ready space signage. Electric vehicle ready spaces shall be identified by signage or pavement markings, in compliance with Caltrans Traffic Operations Policy Directive 13-01 (Zero Emission Vehicle Signs and Pavement Markings) or its successor(s).

  4.106.4.2.6 Hotels and motels.

  1. EV ready parking spaces with receptacles. a. Hotels and motels. Forty (40) percent of the total number of parking spaces shall be equipped with low power Level 2 EV charging receptacles. Exception: Areas of parking facilities served by parking lifts, including but not limited to automated mechanical-access open parking garages as defined in the California Building Code ; or parking facilities otherwise incapable of supporting electric vehicle charging. b. Receptacle configurations. 208/240V EV charging receptacles shall comply with one of the following configurations:
  2. For 20- ampere receptacles, NEMA 6-20R
  3. For 30- ampere receptacles, NEMA 14-30R
  4. For 50- ampere receptacles, NEMA 14-50R
  5. EV Ready parking spaces with EV chargers. a. Hotels and motels. Twenty-five (25) percent of the total number of parking spaces shall be equipped with Level 2 EV chargers.

  2025 CALIFORNIA GREEN BUILDING STANDARDS CODE 4-5

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

  RESIDENTIAL MANDATORY MEASURES

  b. EV charger connectors. EV chargers shall be equipped with J1772 or J3400 connectors. Exception: Areas of parking facilities served by parking lifts, including but not limited to, automated mechanical-access open parking garages as defined in the California Building Code ; or parking facilities otherwise incapable of supporting electric vehicle charging. c. An automatic load management system (ALMS) may be used to reduce the maximum required electrical capacity to each space served by the ALMS. The electrical system and any on-site distribution transformers shall have sufficient capacity to deliver at least 3.3 kW simultaneously to each EV charging station (EVCS) served by the ALMS. The branch circuit shall have a minimum capacity of 40 amperes, and installed EV chargers shall have a capacity of not less than 30 amperes.

  4.106.4.3 Electric vehicle charging for additions and alterations of parking facilities serving existing multifamily buildings, hotels and motels. When existing parking facilities are altered or new parking spaces are added to existing parking facilities, and the work requires a building permit, each parking space added or altered shall have access to either a low power Level 2 EV charging receptacle or Level 2 EV charger, unless determined as infeasible by the project builder or designer and subject to concurrence of the local enforcing agency.

  Exception: Where work requiring a permit is being performed for the installation of 120-volt electrical receptacle(s) for level 1 EV charging.

  4.106.4.4. Bicycle parking. Bicycle parking shall comply with Sections 4.106.4.4.1 through 4.106.4.4.3.

• § 6.6 High relevance — show source text

  6|Total required kVA = P× .45× 6.6
  Where P = Parking spaces in facility|Total required kVA = P× .45× 6.6
  Where P = Parking spaces in facility| |1. Level 2 EVSE @ 6.6 kVA minimum.
  2. At least one Level 2 EVSE shall be provided.
  3. Maximum allowed kVA to be utilized for EV capable spaces is 75 percent.
  4. If EV capable spaces are utilized, they shall meet the requirements of Section 5.106.5.3.1 EV capable spaces.
  5. For office and retail buildings the maximum allowed kVA to be utilized for EV capable spaces is 25 percent.|1. Level 2 EVSE @ 6.6 kVA minimum.
  2. At least one Level 2 EVSE shall be provided.
  3. Maximum allowed kVA to be utilized for EV capable spaces is 75 percent.
  4. If EV capable spaces are utilized, they shall meet the requirements of Section 5.106.5.3.1 EV capable spaces.
  5. For office and retail buildings the maximum allowed kVA to be utilized for EV capable spaces is 25 percent.|1. Level 2 EVSE @ 6.6 kVA minimum.
  2. At least one Level 2 EVSE shall be provided.
  3. Maximum allowed kVA to be utilized for EV capable spaces is 75 percent.
  4. If EV capable spaces are utilized, they shall meet the requirements of Section 5.106.5.3.1 EV capable spaces.
  5. For office and retail buildings the maximum allowed kVA to be utilized for EV capable spaces is 25 percent.|1. Level 2 EVSE @ 6.6 kVA minimum.
  2. At least one Level 2 EVSE shall be provided.
  3. Maximum allowed kVA to be utilized for EV capable spaces is 75 percent.
  4. If EV capable spaces are utilized, they shall meet the requirements of Section 5.106.5.3.1 EV capable spaces.
  5. For office and retail buildings the maximum allowed kVA to be utilized for EV capable spaces is 25 percent.|

  A5.106.6 Parking capacity. Design parking capacity to meet but not exceed minimum local zoning requirements.

  A5.106.6.1 Reduce parking capacity. With the approval of the enforcement authority, employ strategies to reduce on-site parking area by

  1. Use of on street parking or compact spaces, illustrated on the site plan or
  2. Implementation and documentation of programs that encourage occupants to carpool, ride share or use alternate transportation.

  Note: Strategies for programs may be obtained from local TMAs.

  A5.106.7 Exterior wall shading. Meet requirements in the current edition of the California Energy Code and comply with either Section A5.106.7.1 or A5.106.7.2 for wall surfaces. If using vegetative shade, plant species documented to reach desired coverage within 5 years of building occupancy.

  A5.106.7.1 Fenestration. Provide vegetative or man-made shading devices for all fenestration on east-, south- and west-facing walls.

• § 6-20 High relevance — show source text

  1. Where the total number of dwelling units exceeds the number of unassigned parking spaces, all unassigned parking spaces shall be provided with one low power Level 2 EV charging receptacle. Exception: Areas of parking facilities served by parking lifts, including but not limited to, automated mechanical-access open parking garages as defined in the California Building Code ; or parking facilities otherwise incapable of supporting electric vehicle charging. c. Multifamily parking facilities with assigned and unassigned parking. Where multifamily buildings are provided with both assigned and unassigned parking spaces equal to or greater than the number of dwelling units, at least one low power Level 2 EV charging receptacle shall be provided for each dwelling unit at either the assigned or unassigned parking space, but not both. d. Receptacle power source. EV charging receptacles in multifamily parking facilities at assigned parking spaces shall be provided with a dedicated branch circuit connected to the dwelling unit’s electrical panel, unless determined as infeasible by the project builder or designer and subject to concurrence of the local enforcing agency. Exception: Areas of parking facilities served by parking lifts, including but not limited to, automated mechanical-access open parking garages as defined in the California Building Code ; or parking facilities otherwise incapable of supporting electric vehicle charging. e. Receptacle configurations. 208/240V EV charging receptacles shall comply with one of the following configurations:
  2. For 20-ampere receptacles, NEMA 6-20R
  3. For 30-ampere receptacles, NEMA 14-30R
  4. For 50-ampere receptacles, NEMA 14-50R

  4-4 2025 CALIFORNIA GREEN BUILDING STANDARDS CODE

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

  RESIDENTIAL MANDATORY MEASURES

  2. EV ready parking spaces with EV chargers. a. Multifamily parking facilities with unassigned or common use parking. In addition to the low power Level 2 EV charging receptacle requirements of Section 4.106.4.2.2 (1), twenty-five (25) percent of unassigned or common use parking spaces not already provided with low power Level 2 EV charging receptacles, pursuant to Section 4.106.4.2.2 (1), shall be equipped with Level 2 EV chargers and shall be made available for use by all residents or guests. b. Ev charger connectors. EV chargers shall be equipped with J1772 or J3400 connectors. c. An automatic load management system (ALMS) may be used to reduce the maximum required electrical capacity to each space served by the ALMS. The electrical system and any on-site distribution transformers shall have sufficient capacity to deliver at least 3.3 kW simultaneously to each EV charging station (EVCS) served by the ALMS. The branch circuit shall have a minimum capacity of 40 amperes, and installed EV chargers shall have a capacity of not less than 30 amperes.

  4.106.4.2.2.1 Electric vehicle charging stations (EVCS). Electric vehicle charging stations required by Section 4.106.4.2.2, Item 2, with EV chargers installed shall comply with Section 4.106.4.2.2.1.1.

• § 5.106.5.5 High relevance — show source text

  Install EVCS at all existing EV capable spaces, utilizing the existing allocated power and infrastructure for the total number of actual parking spaces being added or altered, prior to adding any new EV capable spaces. If the area being added or altered exceeds the existing EV capable capacity, allocated power and infrastructure, provide additional EV charging as needed to comply with this section.

  5.106.5.5 Electric vehicle (EV) charging: medium-duty and heavy-duty. [N] [BSG-CG] Construction shall comply with Section 5.106.5.5.1 to facilitate future installation of electric vehicle supply equipment (EVSE). Construction for warehouses, grocery stores and retail stores, office buildings, and manufacturing facilities with planned off-street loading spaces shall also comply with Section 5.106.5.5.1 for future installation of medium- and heavy-duty EVSE.

  Exceptions:

  1. On a case-by-case basis where the local enforcing agency has determined compliance with this section is not feasible based upon one of the following conditions: a. Where there is no local utility power supply. b. Where the local utility is unable to supply adequate power. c. Where there is evidence suitable to the local enforcing agency substantiating that additional local utility infrastructure design requirements, directly related to the implementation of Section 5.106.5.3, may adversely impact the construction cost of the project.

  2025 CALIFORNIA GREEN BUILDING STANDARDS CODE 5-7

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

  NONRESIDENTIAL MANDATORY MEASURES

  When EVSE(s) is/are installed, it shall be in accordance with the California Building Code, the California Electrical Code and as follows:

  5.106.5.5.1 Electric vehicle charging readiness requirements for warehouses, grocery stores, office buildings, and manufacturing facilities and retail stores with planned off-street loading spaces. [N] In order to avoid future demolition when adding EV supply and distribution equipment, spare raceway(s) or busway(s) and adequate capacity for transformer(s), service panel(s) or subpanel(s) shall be installed at the time of construction in accordance with the California Electrical Code . Construction plans and specifications shall include, but are not limited to, the following:

  1. The transformer, main service equipment and subpanels shall meet the minimum power requirement in Table 5.106.5.5.1 to accommodate the dedicated branch circuits for the future installation of EVSE.

  2. The construction documents shall indicate one or more location(s) convenient to the planned off-street loading space(s) reserved for medium- and heavy-duty ZEV charging cabinets and charging dispensers, and a pathway reserved for routing of conduit from the termination of the raceway(s) or busway(s) to the charging cabinet(s) and dispenser(s), as shown in Table 5.106.5.5.1.

  3. Raceway(s) or busway(s) originating at a main service panel or a subpanel(s) serving the area where potential future medium- and heavy-duty EVSE will be located and shall terminate in close proximity to the potential future location of the charging equipment for medium- and heavy-duty vehicles.

  4. The raceway(s) or busway(s) shall be of sufficient size to carry the minimum additional system load to the future location of the charging for medium- and heavy-duty ZEVs as shown in Table 5.106.5.5.1.

• § 1.2. High relevance — show source text

  RESIDENTIAL MANDATORY MEASURES

  1.2. Where there is evidence suitable to the local enforcing agency substantiating that additional local utility infrastructure design requirements, directly related to the implementation of Section 4.106.4, may adversely impact the construction cost of the project. 2. Accessory Dwelling Units (ADU) and Junior Accessory Dwelling Units (JADU) without additional parking facilities.

  4.106.4.1 New one- and two-family dwellings and townhouses with attached private garages. For each dwelling unit, install a listed raceway to accommodate a dedicated 208/240-volt branch circuit. The raceway shall not be less than trade size 1 (nominal 1-inch inside diameter). The raceway shall originate at the main service or subpanel and shall terminate into a listed cabinet, box or other enclosure in close proximity to the proposed location of an EV charger. Raceways are required to be continuous at enclosed, inaccessible or concealed areas and spaces. The service panel and/or subpanel shall provide capacity to install a 40-ampere 208/240-volt minimum dedicated branch circuit and space(s) reserved to permit installation of a branch circuit overcurrent protective device.

  Exception: A raceway is not required if a minimum 40-ampere 208/240-volt dedicated EV branch circuit is installed in close proximity to the proposed location of an EV charger at the time of original construction in accordance with the California Elec- trical Code .

  4.106.4.1.1 Identification. The service panel or subpanel circuit directory shall identify the overcurrent protective device space(s) reserved for future EV charging as “EV CAPABLE”. The raceway termination location shall be permanently and visibly marked as “EV CAPABLE”.

  4.106.4.2 New multifamily dwellings, hotels and motels and new residential parking facilities. When parking is provided, parking spaces for new multifamily dwellings, hotels and motels shall meet the requirements of Section 4.106.4.2.2. Calculations for spaces shall be rounded up to the nearest whole number. A parking space served by electric vehicle supply equipment or designed as an EV charging space shall count as at least one standard automobile parking space only for the purpose of complying with any applicable minimum parking space requirements established by a local jurisdiction. See Vehicle Code Section 22511.2 for further details.

  4.106.4.2.1 Reserved.

  4.106.4.2.2 Multifamily dwellings.

  1. EV ready parking spaces with receptacles. a. Multifamily parking facilities with assigned parking. Where dwelling units are provided with assigned parking spaces equal to or greater than the number of dwelling units, at least one low power Level 2 EV charging receptacle shall be provided at an assigned parking space for each dwelling unit.
  2. Where the total number of dwelling units exceeds the number of assigned parking spaces, all assigned parking spaces shall be provided with one low power Level 2 EV charging receptacle. Exception: Areas of parking facilities served by parking lifts, including but not limited to, automated mechanical-access open parking garages as defined in the California Building Code ; or parking facilities otherwise incapable of supporting electric vehicle charging. b. Multifamily parking facilities with unassigned parking. Where dwelling units are provided with unassigned parking spaces equal to or greater than the number of dwelling units, at least one low power Level 2 EV charging receptacle shall be provided at an unassigned parking space for each dwelling unit.
• § 4.106.4.2 High relevance — show source text

  4.106.4.2 New multifamily dwellings, hotels and motels and new residential parking facilities. When parking is provided, parking spaces for new multifamily dwellings, hotels and motels shall meet the requirements of Section 4.106.4.2.2. Calculations for spaces shall be rounded up to the nearest whole number. A parking space served by electric vehicle supply equipment or designed as an EV charging space shall count as at least one standard automobile parking space only for the purpose of complying with any applicable minimum parking space requirements established by a local jurisdiction. See Vehicle Code Section 22511.2 for further details.

  4.106.4.2.1 Reserved.

  4.106.4.2.2 Multifamily dwellings.

  1. EV ready parking spaces with receptacles. a. Multifamily parking facilities with assigned parking. Where dwelling units are provided with assigned parking spaces equal to or greater than the number of dwelling units, at least one low power Level 2 EV charging receptacle shall be provided at an assigned parking space for each dwelling unit.
  2. Where the total number of dwelling units exceeds the number of assigned parking spaces, all assigned parking spaces shall be provided with one low power Level 2 EV charging receptacle. Exception: Areas of parking facilities served by parking lifts, including but not limited to, automated mechanical-access open parking garages as defined in the California Building Code ; or parking facilities otherwise incapable of supporting electric vehicle charging. b. Multifamily parking facilities with unassigned parking. Where dwelling units are provided with unassigned parking spaces equal to or greater than the number of dwelling units, at least one low power Level 2 EV charging receptacle shall be provided at an unassigned parking space for each dwelling unit.
  3. Where the total number of dwelling units exceeds the number of unassigned parking spaces, all unassigned parking spaces shall be provided with one low power Level 2 EV charging receptacle. Exception: Areas of parking facilities served by parking lifts, including but not limited to, automated mechanical-access open parking garages as defined in the California Building Code ; or parking facilities otherwise incapable of supporting electric vehicle charging. c. Multifamily parking facilities with assigned and unassigned parking. Where multifamily buildings are provided with both assigned and unassigned parking spaces equal to or greater than the number of dwelling units, at least one low power Level 2 EV charging receptacle shall be provided for each dwelling unit at either the assigned or unassigned parking space, but not both. d. Receptacle power source. EV charging receptacles in multifamily parking facilities at assigned parking spaces shall be provided with a dedicated branch circuit connected to the dwelling unit’s electrical panel, unless determined as infeasible by the project builder or designer and subject to concurrence of the local enforcing agency. Exception: Areas of parking facilities served by parking lifts, including but not limited to, automated mechanical-access open parking garages as defined in the California Building Code ; or parking facilities otherwise incapable of supporting electric vehicle charging. e. Receptacle configurations. 208/240V EV charging receptacles shall comply with one of the following configurations:
  4. For 20-ampere receptacles, NEMA 6-20R
  5. For 30-ampere receptacles, NEMA 14-30R
  6. For 50-ampere receptacles, NEMA 14-50R

  4-4 2025 CALIFORNIA GREEN BUILDING STANDARDS CODE

• § 4-4 High relevance — show source text

  4-4 2025 CALIFORNIA GREEN BUILDING STANDARDS CODE

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

  RESIDENTIAL MANDATORY MEASURES

  2. EV ready parking spaces with EV chargers. a. Multifamily parking facilities with unassigned or common use parking. In addition to the low power Level 2 EV charging receptacle requirements of Section 4.106.4.2.2 (1), twenty-five (25) percent of unassigned or common use parking spaces not already provided with low power Level 2 EV charging receptacles, pursuant to Section 4.106.4.2.2 (1), shall be equipped with Level 2 EV chargers and shall be made available for use by all residents or guests. b. Ev charger connectors. EV chargers shall be equipped with J1772 or J3400 connectors. c. An automatic load management system (ALMS) may be used to reduce the maximum required electrical capacity to each space served by the ALMS. The electrical system and any on-site distribution transformers shall have sufficient capacity to deliver at least 3.3 kW simultaneously to each EV charging station (EVCS) served by the ALMS. The branch circuit shall have a minimum capacity of 40 amperes, and installed EV chargers shall have a capacity of not less than 30 amperes.

  4.106.4.2.2.1 Electric vehicle charging stations (EVCS). Electric vehicle charging stations required by Section 4.106.4.2.2, Item 2, with EV chargers installed shall comply with Section 4.106.4.2.2.1.1.

  Exception: Electric vehicle charging stations serving public accommodations, public housing, motels, and hotels shall not be required to comply with this section. See California Building Code, Chapter 11B, for applicable requirements.

  4.106.4.2.2.1.1 Electric vehicle charging stations (EVCS) spaces with EV chargers installed; dimensions and loca- tion. EVCS spaces shall be designed to comply with the following:

  1. The minimum length of each EVCS space shall be 18 feet (5486 mm).
  2. The minimum width of each EVCS space shall be 9 feet (2743 mm).
  3. One in every 25 EVCS spaces, but not less than one, shall also have an 8-foot (2438 mm) wide minimum aisle. A 5-foot (1524 mm) wide minimum aisle shall be permitted provided the minimum width of the EVCS space is 12 feet (3658 mm). Surface slope for this EVCS space and the aisle shall not exceed 1 unit vertical in 48 units horizontal (2.083 percent slope) in any direction. These EVCS spaces shall also comply with at least one of the following: a. The EVCS space shall be located adjacent to an accessible parking space meeting the requirements of the California Building Code, Chapter 11A, to allow use of the EV charger from the accessible parking

  space. b. The EVCS space shall be located on an accessible route, as defined in the California Building Code, Chapter 2, to the building.

  Exception: Electric vehicle charging stations designed and constructed in compliance with the California Building Code, Chapter 11B, are not required to comply with Section 4.106.4.2.2.1.1.

• § 106.8.1.1 High relevance — show source text

  A4.106.8.1.1 Identification. The service panel or subpanel circuit directory shall identify the overcurrent protective device designated for future EV charging purposes as “EV READY” in accordance with the California Electrical Code. The receptacle or blank cover shall be identified as “EV READY.”

  A4.106.8.2 New multifamily dwellings, hotels and motels. New multifamily dwellings, hotels and motels shall meet the following requirements.

  A4.106.8.2.1 Multifamily dwellings, hotels and motels.

  Tier 1. New multifamily dwellings, hotels and motels.

  1. EV ready parking spaces with receptacles. a. Hotels and motels. Sixty (60) percent of the total number of parking spaces shall be equipped with low power Level 2 EV charging receptacles. b. Raceway capacity requirements. To allow for future upgrades to the electrical conductors serving low power Level 2 EV charging receptacles, the listed raceway serving such receptacles shall be sized to allow

  APPENDIX A4-6 2025 CALIFORNIA GREEN BUILDING STANDARDS CODE

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

  APPENDIX A4 — RESIDENTIAL VOLUNTARY MEASURES

  the installation of a dedicated 208/240-volt 40-ampere branch circuit. Where no raceway is used, the conductors shall be sized to accommodate a 208/240-volt 40-ampere receptacle.

  Exception: Hotels and motels may substitute Level 2 EV chargers for some or all of the required EV charging receptacles. 2. EV ready parking spaces with EV chargers. a. Hotels and motels. Forty (40) percent of the total number of parking spaces for hotels and motels shall be equipped with Level 2 EV chargers. b. Multifamily parking facilities with unassigned or common use parking. In addition to the low power Level 2 EV charging receptacle requirements of Section A4.106.8 (Tier 1, subsection 1), forty (40) percent of the total number of parking spaces shall be equipped with Level 2 EV chargers and shall be made available for use by all residents or guests.

  Exception: Areas of parking facilities served by parking lifts, including but not limited to automated mechanicalaccess open parking garages as defined in the California Building Code ; or parking facilities otherwise incapable of supporting electric vehicle charging.

  A4.106.8.2.2 Technical requirements. The EV spaces required by Section A4.106.8.2 shall be designed and constructed in accordance with Sections 4.106.4.2, 4.106.4.2.2.1.1, 4.106.4.2.2.1.2, and 4.106.4.2.5.

  SECTION A4.107 (RESERVED)

  SECTION A4.108 —INNOVATIVE CONCEPTS AND LOCAL ENVIRONMENTAL CONDITIONS

  A4.108.1 Innovative concepts and local environmental conditions. 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. 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 pursuant to Section 101.7.1.

• § 106.8 Medium relevance — show source text

  New multifamily dwellings and hotels and motels.**
  1. EV Ready Parking Spaces with Receptacles.
  a. Hotels and motels. Sixty (60) percent of the total number of
  parking spaces shall be equipped with low power Level 2 EV
  charging receptacles.
  **b. Raceway Capacity Requirements.**To allow for future
  upgrades to the electrical conductors serving low power Level 2
  EV charging receptacles, the listed raceway serving such recep-
  tacles shall be sized to allow the installation of a dedicated 208/
  240-volt 40-ampere branch circuit. Where no raceway is used,
  the conductors shall be sized to accommodate a 208/240-volt
  40-ampere receptacle.
  Exception:
  Hotels and motels may substitute Level 2 EV chargers for some or
  all of the required EV charging receptacles.
  2. EV Ready Parking Spaces with EV Chargers.
  **a. Hotels and motels.**Forty (40) percent of the total number of
  parking spaces shall be equipped with low power Level 2 EV
  charging receptacles.
  b. Multifamily Parking Facilities with Unassigned or Common
  **Use Parking.**In addition to the low power Level 2 EV charging
  receptacle requirements of Section A4.106.8 (Tier 1, subsection
  1), forty (40) percent of the total number of parking spaces shall
  be equipped with Level 2 EV chargers and shall be made avail-
  able for use by all residents or guests.|||2|||| |Innovative Concepts and Local
  Environmental Conditions||||||| |A4.108.1 Items in this section are necessary to address innovative
  concepts or local environmental conditions.||||||| |Item 1|
  |
  |
  |
  |
  |
  | |Item 2|
  |
  |
  |
  |
  |
  | |Item 3||||||| |ENERGY EFFICIENCY||||||| |General||||||| |4.201.1 Building meets or exceeds the requirements of the_California_
  _Building Energy Efficiency Standards_3.||2|2|||| |Performance Approach for Newly
  Constructed Buildings||||||| |**A4.203.1.1 Hourly Source Energy Rating (EDR1).**EDR1 ratings for
  building design shall be computed by Energy Compliant software and
  shall reduce the EDR1 required by the software by the compliance
  margins specified in Table A4.203.1.1.||2|2|||| |**A4.203.1.2 Prerequisite options.

• § 106.8 Medium relevance — show source text

  3. Use open grid pavement system or pervious or permeable pavement system.
  4. Locate 50 percent of parking underground or use multilevel parking.
  5. Other methods of reducing heat island effects acceptable to the enforcing agency.

  Note: Local agencies may have ordinances requiring mitigation of heat island effects through building or parking lot shading, tree plantings, landscaping, use of pervious pavements and other approved methods.

  A4.106.8 Electric vehicle (EV) charging for new construction. New construction shall comply with Section A4.106.8.1 or A4.106.8.2, to facilitate the installation and use of EV ready spaces. Electric vehicle supply equipment (EVSE) shall comply with the California Electrical Code .

  A4.106.8.1 New one- and two-family dwellings and townhouses with attached private garages.

  Tier 1 and Tier 2. For each dwelling unit, a dedicated 208/240-volt branch circuit shall be installed in the raceway required by Section 4.106.4.1. The branch circuit and associated overcurrent protective device shall be rated at 40 amperes minimum. Other electrical components, including a receptacle or blank cover, related to this section shall be installed in accordance with the California Electrical Code.

  A4.106.8.1.1 Identification. The service panel or subpanel circuit directory shall identify the overcurrent protective device designated for future EV charging purposes as “EV READY” in accordance with the California Electrical Code. The receptacle or blank cover shall be identified as “EV READY.”

  A4.106.8.2 New multifamily dwellings, hotels and motels. New multifamily dwellings, hotels and motels shall meet the following requirements.

  A4.106.8.2.1 Multifamily dwellings, hotels and motels.

  Tier 1. New multifamily dwellings, hotels and motels.

  1. EV ready parking spaces with receptacles. a. Hotels and motels. Sixty (60) percent of the total number of parking spaces shall be equipped with low power Level 2 EV charging receptacles. b. Raceway capacity requirements. To allow for future upgrades to the electrical conductors serving low power Level 2 EV charging receptacles, the listed raceway serving such receptacles shall be sized to allow

  APPENDIX A4-6 2025 CALIFORNIA GREEN BUILDING STANDARDS CODE

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

  APPENDIX A4 — RESIDENTIAL VOLUNTARY MEASURES

  the installation of a dedicated 208/240-volt 40-ampere branch circuit. Where no raceway is used, the conductors shall be sized to accommodate a 208/240-volt 40-ampere receptacle.

• § 106.6 Medium relevance — show source text

  106.6** Install a vegetated roof for at least 50 percent of the roof
  area. Vegetated roofs shall comply with requirements for roof gardens
  and landscaped roofs in the_California Building Code_, Chapters 15 and
  16.||||||| |A4.106.7 Reduce nonroof heat islands for 50 percent of sidewalks,
  patios, driveways or other paved areas by using one or more of the
  methods listed.||||||| |A4.106.8.1 Tier 1 and Tier 2 for one- and two-family dwellings and
  townhouses with attached private garages.
  Install a dedicated 208/240-volt branch circuit, including an
  overcurrent protective device rated at 40 amperes minimum per
  dwelling unit.||2|2||||

  APPENDIX A4-24 2025 CALIFORNIA GREEN BUILDING STANDARDS CODE

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

  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
  A4.106.8.2.1Provide capability for electric vehicle charging in new multifamily dwellings, hotels and motels, as specified. Tier 1. New multifamily dwellings and hotels and motels. 1. EV Ready Parking Spaces with Receptacles. a. Hotels and motels. Sixty (60) percent of the total number of parking spaces shall be equipped with low power Level 2 EV charging receptacles. **b. Raceway Capacity Requirements.**To allow for future upgrades to the electrical conductors serving low power Level 2 EV charging receptacles, the listed raceway serving such recep- tacles shall be sized to allow the installation of a dedicated 208/ 240-volt 40-ampere branch circuit.

• § 4.1.2 Medium relevance — show source text

  4.1.2 through
  5.106.4.1.5||||| |DIVISION 5.1
  Planning and
  Design
  (continued)|Tier 1
  Prerequisite|Designated parking—35% of parking capacity with future
  charging spaces, parking stall markings and vehicle
  designation|A5.106.5.1,
  A5.106.5.1.1,
  A5.106.5.1.3,
  A5.106.5.1.4,
  A5.106.5.1.5||||| |DIVISION 5.1
  Planning and
  Design
  (continued)|Tier 1
  Prerequisite|Electric vehicle (EV) charging [N] with Section 5.106.3.1, Section
  5.106.5.3.2 and associated Table A5.106.5.3.1 Tier 1
  OR
  Power Allocation Method:
  Section A5.106.5.3.2 and associated Table A5.106.5.3.2 Tier 1|5.106.5.3.1,
  5.106.5.3.2,
  Table A5.106.5.3.1 Tier
  1, 5.106.5.3.2.1,
  5.106.5.3.2.2,
  5.106.5.3.2.3,
  5.106.5.3.2.4,
  5.106.5.3.3,
  5.106.5.3.4 and
  5.106.5.3.5
  OR
  A5.106.5.3.2,
  Table A5.106.5.3.2
  Tier 1, 5.106.5.3.3,
  5.106.5.3.4,
  5.106.5.3.5, 5.106.5.6,
  5.106.5.3.6.1,
  5.106.5.3.6.2 and
  5.106.5.3.6.3||||| |DIVISION 5.1
  Planning and
  Design
  (continued)|Mandatory|Additions or Alterations to existing buildings or parking facili-
  ties [A] with Exceptions|5.106.5.4||||| |DIVISION 5.1
  Planning and
  Design
  (continued)|Mandatory|Existing buildings or parking areas without previously
  installed EV capable infrastructure [A].|5.106.5.4.1||||| |DIVISION 5.1
  Planning and
  Design
  (continued)|Mandatory|Existing buildings or parking areas with previously installed
  EV capable infrastructure [A].|5.106.5.4.2||||| |DIVISION 5.1
  Planning and
  Design
  (continued)|Mandatory|Electric vehicle (EV) charging: medium-duty and heavy-duty [N]|5.106.5.