What is the difference between “scope” (§101) and “applicability” (§102)?

Scope (§101) states the CPC’s overall reach and purpose; applicability (§102) explains how the code applies in specific situations (existing work, repairs, changes of occupancy, conflicts with other codes) and lists the applicable subsections that modify or limit that reach .

Where should I look for the official definitions used in the CPC?

Definitions are collected in Chapter 2. See §201.1 for how definitions apply and §202.0 for the dictionary of terms used throughout the CPC .

If a term isn’t defined in the CPC, what then?

Chapter 2 directs users to definitions in other California codes where applicable and to ordinary accepted meanings when the code (and referenced codes) don’t define a term; consult §201.1 and the cross-references in Chapter 2 for guidance .

Scope & Applicability of CPC Definitions

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

CPC § 101.2.2 Medium relevance — show source text
CFC—25: California Fire Code

101.2.2, 101.4.2, 301.3.1, 302.2, 307.1, 308.1, 802.2.1, 802.2.3, 803.2.3, 803.4.1.1, 803.4.1.2, 803.4.1.3, 803.4.1.4, 803.4.1.5, 803.4.1.6, Table 804.5.1.1(1), 904.1.5, 1011.6.1.1, 1303.1.2, 1305.2.8.1, 1305.2.14, 1305.2.14.1, 1401.2, 1501.1, 1501.5, 1502.1, 1502.1.1, 1502.2, 1502.3, 1504.1, 1507.1, 1507.2

CMC—25: California Mechanical Code

302.2, 702.7, 807.1, 902.1.1, 1008.1, 1305.2.7.1, 1305.2.8, 1305.2.8.1

CPC—25: California Plumbing Code

302.2, 408.1, 702.7, 1009.1, 1009.2, 1009.3, 1009.5, 1302.1.6, 1503.1

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REFERENCED STANDARDS

CRC—25: California Residential Code

101.2, 101.4.1, 104.3.1, 109.3.3, 109.3.10, 302.2, 307.1, 308.1, 401.3, 402.1, 405.2.6, 502.2, 502.3, 502.4, 503.2, 503.3, 503.11, 505.2, 505.3, 507.3, 701.3, 702.4, 702.5, 706.2, 708.1, 805.2, 806.4, 809.1, 906.2, 907.1, 1011.2.1, 1103.1, 1103.2, 1103.3, 1104.1, 1201.4, 1302.1.2, 1302.1.3, 1302.1.3, 1303.1.3, 1401.2, 1402.1, 1402.2, 1402.2.1, 1402.3, 1402.4, 1402.5, 1402.6

ICC 300—2023: ICC Standard on Bleachers, Folding and Telescopic Seating and Grandstands

301.1.1, 401.1.1, 1401.1.1

ICC A117.1—2017: Accessible and Usable Buildings and Facilities
CPC § 1305.2.3.3 Medium relevance — show source text
2, 1305.2.3.3, 1305.2.4.1, 1305.2.5, 1305.2.5.1, 1305.2.6, 1305.2.7.1, 1305.2.8, 1305.2.9, 1305.2.9.1, 1305.2.10, 1305.2.10.1, 1305.2.11, 1305.2.11.1, 1305.2.12.1, 1305.2.13, Table 1305.2.15, 1305.2.15.1, 1305.2.16.1, 1305.2.17, 1305.2.17.1, 1305.2.18, 1305.2.18.1, 1305.2.19, Table 1305.2.19, 1305.2.20, 1305.2.20.1, 1307.1.1, 1401.2, 1402.1, 1402.2, 1402.2.1, 1402.3, 1402.4, 1402.5, 1402.6, 1501.5, 1504.1.1, 1504.1.4.1, 1504.1.7, 1509.1, 1509.3, 1510.1

CEC — 25 : California Energy Code

302.2, 702.7, 708.1, 809.1, 907.1, 1104.1

CFC—25: California Fire Code

101.2.2, 101.4.2, 301.3.1, 302.2, 307.1, 308.1, 802.2.1, 802.2.3, 803.2.3, 803.4.1.1, 803.4.1.2, 803.4.1.3, 803.4.1.4, 803.4.1.5, 803.4.1.6, Table 804.5.1.1(1), 904.1.5, 1011.6.1.1, 1303.1.2, 1305.2.8.1, 1305.2.14, 1305.2.14.1, 1401.2, 1501.1, 1501.5, 1502.1, 1502.1.1, 1502.2, 1502.3, 1504.1, 1507.1, 1507.2

CMC—25: California Mechanical Code

302.2, 702.7, 807.1, 902.1.1, 1008.1, 1305.2.7.1, 1305.2.8, 1305.2.8.1

CPC—25: California Plumbing Code

302.2, 408.1, 702.7, 1009.1, 1009.2, 1009.3, 1009.5, 1302.1.6, 1503.1
CPC § 11.4 Medium relevance — show source text
1.11.4 Fees . . . . . . . . . . . . . . . . . . . . . . . .18

1.11.5 Inspections . . . . . . . . . . . . . . . . . . .19

1.11.6 Certificate of Occupancy . . . . . . . .19

1.11.7 Temporary Structures and Uses . .19

1.11.8 Service Utilities . . . . . . . . . . . . . . . .19

1.11.9 Stop Work Order . . . . . . . . . . . . . .19

1.11.10 Unsafe Buildings, Structures, and Equipment . . . . . . . . . . . . . . . .19

1.11.11 Adopting Agency Identification . . .19

1.12.0 Reserved for the State Librarian . .19

1.13.0 Department of Water Resources (DWR) . . . . . . . . . . . . .19

1.13.1 Application . . . . . . . . . . . . . . . . . . .19

1.13.2 Adopting Agency Identification . . .19

1.14.0 Reserved for the State

Lands Commission . . . . . . . . . . . . .19

CHAPTER 1 DIVISION II

SCOPE AND ADMINISTRATION . .21

101.0 General . . . . . . . . . . . . . . . . . . . . . .21

101.1 Title . . . . . . . . . . . . . . . . . . . . . . . . .21

2025 CALIFORNIA PLUMBING CODE xxvii

), Copyright © 2025 IAPMO, and may not be used for any other purpose or distributed to any other persons or parties.

TABLE OF CONTENTS

101.2 Scope . . . . . . . . . . . . . . . . . . . . . . .21

101.3 Purpose . . . . . . . . . . . . . . . . . . . . .21

101.4 Unconstitutional . . . . . . . . . . . . . . .21

101.5 Validity . . . . . . . . . . . . . . . . . . . . . .21

102.0 Applicability . . . . . . . . . . . . . . . . . . .21

102.1 Conflicts Between Codes . . . . . . . .21

102.2 Existing Installations . . . . . . . . . . . .21

102.3 Maintenance . . . . . . . . . . . . . . . . . .21

102.4 Additions, Alterations, Renovations, or Repairs . . . . . . . . .21

102.5 Health and Safety . . . . . . . . . . . . . .21

102.6 Changes in Building Occupancy . . .21

102.7 Moved Structures . . . . . . . . . . . . . .21
CPC § 106.0 Medium relevance — show source text
106.0 Violations and Penalties . . . . . . . . .25

106.1 General . . . . . . . . . . . . . . . . . . . . . .25

106.2 Notices of Correction or Violation . . .25

106.3 Penalties . . . . . . . . . . . . . . . . . . . . .26

106.4 Stop Orders . . . . . . . . . . . . . . . . . .26

106.5 Authority to Disconnect Utilities in Emergencies . . . . . . . . .26

106.6 Authority to Condemn . . . . . . . . . . .26

107.0 Board of Appeals . . . . . . . . . . . . . .26

107.1 General . . . . . . . . . . . . . . . . . . . . . .26

107.2 Limitations of Authority . . . . . . . . . .26

Table 104.5 Plumbing Permit Fees . . . . . . . . . .27

CHAPTER 2 DEFINITIONS . . . . . . . . . . . . . . . . .29

201.0 General . . . . . . . . . . . . . . . . . . . . . .31

201.1 Applicability . . . . . . . . . . . . . . . . . . .31

202.0 Definition of Terms . . . . . . . . . . . . .31

202.1 General . . . . . . . . . . . . . . . . . . . . . .31

CHAPTER 3 GENERAL REGULATIONS . . . . . .47

301.0 General . . . . . . . . . . . . . . . . . . . . . .49

301.1 Applicability . . . . . . . . . . . . . . . . . . .49

301.2 Minimum Standards . . . . . . . . . . . .49

301.3 Alternate Materials and Methods

of Construction Equivalency . . . . . .49

301.4 Flood Hazard Areas . . . . . . . . . . . .49

301.5 Alternative Engineered Design . . . .50

301.6 Tall Wood (Mass Timber) Buildings . . . . . . . . . . . . . . . . . . . . .50

301.7 One- and Two-Family Dwellings . .50

301.8 OSHPD 1R . . . . . . . . . . . . . . . . . . .50

302.0 Iron Pipe Size (IPS) Pipe . . . . . . . .50

302.1 General . . . . . . . . . . . . . . . . . . . . . .50

303.0 Disposal of Liquid Waste . . . . . . . .50

303.1 General . . . . . . . . . . . . . . . . . . . . . .50

304.0 Connections to Plumbing System Required . . . . . . . . . . . . . .50

304.1 General . . . . . . . . . . . . . . . . . . . . . .50

305.0 Damage to Drainage System or Public Sewer . . . . . . . . . . . . . . .51

CPC § 4A-4 Medium relevance — show source text

4A-4 2025 CALIFORNIA EXISTING BUILDING CODE

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REPAIRS

SECTION 408 A —PLUMBING

408 A .1 Materials. Plumbing materials and supplies shall not be used for repairs that are prohibited in the Title 24 Part 5 California Plumbing Code (CPC).

408 A .2 Water closet replacement. The maximum water consumption flow rates and quantities for all replaced water closets shall be 1.28 gallons ( 4.8 L) per flushing cycle.

408 A .3 Health care facilities. Portions of medical gas systems being repaired in Group I-2, ambulatory care facilities and outpatient clinics shall comply with NFPA 99 requirements for repairs.

2025 CALIFORNIA EXISTING BUILDING CODE 4A-5

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4A-6 2025 CALIFORNIA EXISTING BUILDING CODE

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CALIFORNIA EXISTING BUILDING CODE – MATRIX ADOPTION TABLE

CHAPTER 5 – PRESCRIPTIVE COMPLIANCE METHOD

(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	Col10	OSHPD	Col12	Col13	Col14	Col15	Col16	Col17	BSCC	DPH	AGR	DWR	CEC	CA	SL	SLC
Adopting Agency	BSC	BSC- CG	SFM	1	2	1/AC	AC	SS	SS/CC	1	1R	2	3	4	5	6	6	6	6	6	6	6	6	6
Adopt Entire Chapter													X			X
Adopt Entire Chapter as amended (amended sections listed below)				X	X	X
Adopt only those sections that are listed below	X		X					X	X		X	X		X	X
Chapter / Section
501											X	X		X	X
501.1	X			X	X
501.1 –501.3			X
501.1.2	X
501.

CPC § 1-7 Medium relevance — show source text
1.8 Department of Housing and Community Development . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-7

1.8.2 Authority and Abbreviations. . . . . . . . . . . . . . . . . . . . . . . 1-7

1.8.3 Local Enforcing Agency . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-8

1.8.4 Permits, Fees, Applications and Inspections . . . . . . . . 1-9

1.8.5 Right of Entry for Enforcement. . . . . . . . . . . . . . . . . . . . . 1-9

1.8.6 Local Modification by Ordinance or Regulation . . . . 1-10

1.8.7 Alternate Materials, Designs, Tests and Methods of Construction. . . . . . . . . . . . . . 1-10

1.8.8 Appeals Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-11

1.8.9 Unsafe Buildings or Structures . . . . . . . . . . . . . . . . . . . 1-11

1.8.10 Other Building Regulations . . . . . . . . . . . . . . . . . . . . . . 1-12

1.9 Division of the State Architect . . . . . . . . . . . . . . . . . . . . 1-12

1.10 Department of Health Care Access and Information/Office of Statewide Hospital Planning and Development . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-13

1.11 Office of the State Fire Marshal . . . . . . . . . . . . . . . . . . . 1-15

1.12 State Librarian. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-20

1.13 Department of Water Resources . . . . . . . . . . . . . . . . . . 1-20

1.14 California State Lands Commission . . . . . . . . . . . . . . . 1-20

DIVISION II – SCOPE AND ADMINISTRATION . . . . . . . . . . . . . . . . . 1-21

PART 1—SCOPE AND APPLICATION. . . . . . . . . . . . . . . . . . . . . . . 1-21

101 Scope and General Requirements. . . . . . . . . . . . . . . 1-21

102 Applicability . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-22
CPC § 102.3 Medium relevance — show source text
1

CEBC—25: California Existing Building Code

102.3, 1011.5.2, 1103.1, 1104.18, 1105.5.2

CMC—25: California Mechanical Code

201.3, 308.3, 605.1, 605.2.1.1, 605.2.1.2, 605.2.1.3, 605.2.1.4, 605.2.1.5, 605.3, 605.4, 605.4.2.3, 605.4.2.5, 605.5.2, 605.7, 606.1, 606.2, 608.1, 608.3, 608.4, 608.5, 608.8, 608.9.1, 608.10, 608.17, 610.1.1, 903.2.11.4, 904.14, 907.3.1, 909.1, 909.10.2, 909.13.1, 910.4.7, 915.6.1, 1006.2.2.3, 1011.16, 1020.6.1, 1207.4.7, 1207.6.1, 1207.6.1.2.2, 1207.11.8, 2104.2.1, 2105.3, 2301.1, 2301.6, 2309.3.1.2, 2311.3.1, 2311.4.3, 2311.8.2, 2311.8.8, 2311.8.10, 2404.9, 2404.9.2, 2504.5, 2703.2.2, 2703.10.4, 2703.14, 2803.2, 2803.3, 3001.1, 3003.1, 3004.2, 3108.12.1, 3108.12.2, 3703.5, 3804.1.1.7, 3904.1, 3905.3, Table 5003.1.1(1), 5003.8.4.2, 5003.8.5.2, 5003.8.6.2, 5004.3.1, 5303.7.6, 5303.16.9, 5305.5, 5306.2.2, 5306.2.3, 5307.4.4, 5504.2.1.3, 5504.2.2.3, 5505.4.1.1, 5701.3, 5703.6.1, 5704.2.8.9, 5705.3.7.5.1, 5706.2, 5706.4.4, 6003.1.3, 6003.2.3.2, 6004.2.2.7, 6005.3.1, 6005.3.2, 6103.2.1.7

CPC—25: California Plumbing Code
CPC § 1-12 Medium relevance — show source text
1.9 Division of the State Architect . . . . . . . . . . . . . . . . . . . . 1-12

1.10 Department of Health Care Access and Information/Office of Statewide Hospital Planning and Development . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-13

1.11 Office of the State Fire Marshal . . . . . . . . . . . . . . . . . . . 1-15

1.12 State Librarian. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-20

1.13 Department of Water Resources . . . . . . . . . . . . . . . . . . 1-20

1.14 California State Lands Commission . . . . . . . . . . . . . . . 1-20

DIVISION II – SCOPE AND ADMINISTRATION . . . . . . . . . . . . . . . . . 1-21

PART 1—SCOPE AND APPLICATION. . . . . . . . . . . . . . . . . . . . . . . 1-21

101 Scope and General Requirements. . . . . . . . . . . . . . . 1-21

102 Applicability . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-22

PART 2—ADMINISTRATION AND ENFORCEMENT . . . . . . . . . . . 1-22

103 Code Compliance Agency . . . . . . . . . . . . . . . . . . . . . . 1-22

104 Duties and Powers of Code Official. . . . . . . . . . . . . . 1-22

105 Permits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-25

106 Construction Documents . . . . . . . . . . . . . . . . . . . . . . 1-26

107 Temporary Uses, Equipment and Systems. . . . . . . 1-28

108 Fees . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-28

109 Inspections. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-28

110 Certificate of Occupancy. . . . . . . . . . . . . . . . . . . . . . . 1-30

111 Service Utilities . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-30

112 Means of Appeals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-30
CPC § 203.7.3 Medium relevance — show source text
Title 19, Division 1]||||X|||||||||||||||||||| |Chapter / Section|||||||||||||||||||||||| |203.7.3|||X||||||||||||||||||||| |203.7.3.6 - 203.7.3.8|||X||||||||||||||||||||| |203.7.4|||X||||||||||||||||||||| |203.7.4.1|||X||||||||||||||||||||| |203.9.1|||X||||||||||||||||||||| |203.9.2|||X||||||||||||||||||||| |203.9.2.1|||X||||||||||||||||||||| |203.9.2.2|||X||||||||||||||||||||| |203.9.3|||X||||||||||||||||||||| |203.9.3.3|||X||||||||||||||||||||| |203.9.4|||X||||||||||||||||||||| |203.12|||X||||||||||||||||||||| |203.13|||X|||||||||||||||||||||
- The California Code of Regulations (CCR), Title 19, Division 1 provisions that are found in the California Fire Code are a reprint from the current CCR, Title 19, Division 1 text for the code user’s convenience only. The scope, applicability and appeals procedures of CCR, Title 19, Division I remain the same. 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.
2-4 2025 CALIFORNIA FIRE CODE

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2 DEFINITIONS

User notes:

About this chapter: Codes, by their very nature, are technical documents. Every word, term and punctuation mark can add to or change the meaning of a technical requirement. It is necessary to maintain a consensus on the specific meaning of each term contained in the code. Chapter 2 performs this function by stating clearly what specific terms mean for the purpose of the code. General definitions are located in Section 202 and occupancy classification definitions are located in Section 203.

SECTION 201—GENERAL

201.1 Scope. Unless otherwise expressly stated, the following words and terms shall, for the purposes of this code, have the meanings shown in this chapter.

201.2 Interchangeability. Words used in the present tense include the future; words stated in the masculine gender include the feminine and neuter; the singular number includes the plural and the plural, the singular.

201.3 Terms defined in other codes. Where terms are not defined in this code and are defined in the California Building Code, Cali- fornia Mechanical Code or California Plumbing Code, such terms shall have the meanings ascribed to them as in those codes.

201.4 Terms not defined. Where terms are not defined through the methods authorized by this section, such terms shall have ordinarily accepted meanings such as the context implies. Merriam Webster’s Collegiate Dictionary, 11th Edition, shall be considered as providing ordinarily accepted meanings.

SECTION 202—GENERAL DEFINITIONS
CPC § 102.4 Medium relevance — show source text
ADMINISTRATION

DIVISION II SCOPE AND ADMINISTRATION

User notes:

About this chapter: Chapter 1 establishes the limits of applicability of the code and describes how the code is to be applied and enforced. Chapter 1 is in two parts: Part 1—Scope and Application (Sections 101–102) and Part 2—Administration and Enforcement (Sections 103–116). Section 101 identifies which buildings and structures come under its purview and references other ICodes as applicable. Standards and codes are scoped to the extent referenced (see Section 102.4).

This code is intended to be adopted as a legally enforceable document and it cannot be effective without adequate provisions for its administration and enforcement. The provisions of Chapter 1 establish the authority and duties of the code official appointed by the authority having jurisdiction and also establish the rights and privileges of the design professional, contractor and property owner. Chapter 1 is largely concerned with maintaining “due process of law” in enforcing the building performance criteria contained in the body of the code.

ICC code development note: Code change proposals to this chapter will be considered by the Administrative Code Development Committee during the 2025 (Group B) Code Development Cycle.

Section 104 was revised for the 2024 edition. For complete information, see the Relocations table in the Preface of this code.

Note: Sections adopted or amended by state agencies are specifically indicated by an agency banner.

PART 1—SCOPE AND APPLICATION

SECTION 101—SCOPE AND GENERAL REQUIREMENTS

[A] 101.1 Title. These regulations shall be known as the Building Code of [ NAME OF JURISDICTION ], hereinafter referred to as “this code.”

[A] 101.2 Scope. The provisions of this code shall apply to the construction, alteration, relocation, enlargement, replacement, repair, equipment, use and occupancy, location, maintenance, removal and demolition of every building or structure or any appurtenances connected or attached to such buildings or structures.

Exception: Detached one- and two-family dwellings and townhouses not more than three stories above grade plane in height with a separate means of egress, and their accessory structures not more than three stories above grade plane in height, shall comply with this code or the California Residential Code .

[A] 101.2.1 Appendices. Provisions in the appendices shall not apply unless specifically adopted.

[A] 101.3 Purpose. The purpose of this code is to establish the minimum requirements to provide a reasonable level of safety, health and general welfare through structural strength, means of egress, stability, sanitation, light and ventilation, energy conservation, and for providing a reasonable level of life safety and property protection from the hazards of fire, explosion or dangerous conditions, and to provide a reasonable level of safety to firefighters and emergency responders during emergency operations.

[A] 101.4 Referenced codes. The other codes specified in Sections 101.4.1 through 101.4.7 and referenced elsewhere in this code shall be considered to be part of the requirements of this code to the prescribed extent of each such reference.
CPC § 8.10 Medium relevance — show source text
1.8.10 Other Building Regulations . . . . . . . . . . . . . . . . . . . . . . 1-13

1.9 Division of the State Architect . . . . . . . . . . . . . . . . . . . . 1-13

1.10 Department of Health Care Access and Information/Office of Statewide Hospital Planning and Development . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-15

1.11 Office of the State Fire Marshal . . . . . . . . . . . . . . . . . . . 1-17

1.12 State Librarian. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-22

1.13 Reserved . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-22

1.14 California State Lands Commission . . . . . . . . . . . . . . . 1-22

DIVISION II – SCOPE AND ADMINISTRATION . . . . . . . . . . . . 1-23

Part 1—Scope and Application. . . . . . . . . . . . . . . . . . . . . . . . . . . 1-23

101 Scope and General Requirements. . . . . . . . . . . . . . . 1-23

102 Applicability . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-24

Part 2—Administration and Enforcement . . . . . . . . . . . . . . . . . 1-24

103 Code Compliance Agency . . . . . . . . . . . . . . . . . . . . . . 1-24

104 Duties and Powers of Building Official. . . . . . . . . . . 1-25

105 Permits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-27

106 Floor and Roof Design Loads . . . . . . . . . . . . . . . . . . . 1-29

107 Construction Documents . . . . . . . . . . . . . . . . . . . . . . 1-29

108 Temporary Structures, Equipment and Systems . . . . . . . . . . . . . . . . . . . . . 1-31

109 Fees . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-31

110 Inspections. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-31

111 Certificate of Occupancy. . . . . . . . . . . . . . . . . . . . . . . 1-33
CPC § 2.4 Medium relevance — show source text
Court Emergency escape and rescue openings R319.1, R319.2.4 Means of egress R318.1 Natural light R325.1.1 Covering Exterior R703

Interior R702 Roof Chapter 9 Wall Chapter 7 Crawl Space R408

Access R408.4

Damper Fireplace R1001.7.1 Dampproofing R406 Day Care Appendix BD Defined R202 Large family day-care homes R336 Dead Loads R301.4

Decay Protection against R304 Deck

Attachment R318.5 Supported by exterior wall R507 Wood/plastic composite boards R507.2.2

Definitions Building R202 Mechanical system R202 Plumbing R202 Design Criteria R301 Alternative provisions R301.1.1 Application R301.1 Climatic and geographic R301.2 Dead load R301.4

Deflection R301.6 Engineered design R301.1.3

Accessibility R322 Accessory Dwelling Unit R202 Authority to Enforce Automatic Fire Sprinkler Systems 1.8.9.1, R313.2 Accessory Structure Elevations R306.3.2

Energy R330.5 Exterior walls R302.1

Scope R101.2 Addition (see also Existing Buildings) Carbon monoxide alarms R311.2.2 Change of occupancy R110.1 Construction R302.2.3

Frost protection R403.1.4.1 Scope R101.2, R102.6.1 Smoke alarms R310.2.2 Address (Site) R308 Administration, California Chapter 1, Division 1

General 1.1 Dept. of Housing and Community Development 1.8 Office of the State Fire Marshal 1.11 Administration, Division II Chapter 1 Applicability R102 Certificate of occupancy R110 Construction documents R106 Department of building safety R103 Duties and Powers R104

Fees R106

Inspections R109 Means of appeals R112 Permits R105, R105.5.1 Purpose R101.3 Service utilities R111 Stop work order R114 Temporary structures and uses R107 Violations R113 Aging-in-place Design and Fall Prevention R327

Doorbell buttons R327.1.4 Electrical receptacle outlet, switch and control heights R327.1.2 Interior doors R327.1.3 Reinforcement for grab bars R327.1.1 Allowable Spans Of floor joists R502.3, R505.3.2 Of headers R602.7, R603.6 Of rafters and ceiling joists R802.4, R802.5, R804.3.1, R804.3.2 Alternate Materials (see Materials) R104.11 Alterations (see Existing Buildings) Anchor Bolts R403.1.6

Appeal Board of 1.8.8, Appendix AA Means of 1.8.8, R112 Appliance Flue area R1003.14

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