California Residential Code (CRC) contains building provisions that cover construction of one- and two-family dwellings and townhouses that are three stories or less. This is a fully integrated code based on the 2018 International Residential Code® (Chapters 2-10). California amendments provide consistency with model code format, state and federal laws and regulations, and unique California conditions with regard to the construction of one- and two- family dwellings and townhouses. This code does not include Energy, Mechanical, Plumbing, or Electrical standards, which are found in other parts of Title 24.

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PDF Pages	PDF Title
1	Cover
3	Copyright
4	2019 California Residential Code – SUPPLEMENT July 1, 2021
6	PREFACE ACKNOWLEDGEMENTS
7	California Agency Information Contact List
8	How to Distinguish Between Model Code Language and California Amendments
10	California Matrix Adoption Tables
12	Marginal Markings
13	Code Development Committee Responsibilities
14	EFFECTIVE USE OF THE INTERNATIONAL RESIDENTIAL CODE
24	TABLE OF CONTENTS
30	Part I—Administrative CHAPTER 1 SCOPE AND APPLICATION DIVISION I—CALIFORNIA ADMINISTRATION Section 1.1 General
32	1.2 Reserved 1.3 Reserved 1.4 Reserved 1.5 Reserved 1.6 Reserved 1.7 Reserved 1.8 Department of Housing and Community Development (HCD 1.8.2 Authority and Abbreviations
34	1.8.3 Local Enforcing Agency 1.8.4 Permits, Fees, Applications and Inspections
35	1.8.5 Right of Entry for Enforcement 1.8.6 Local Modification by Ordinance or Regulation
36	1.8.7 Alternate Materials, Designs, Tests and Methods of Construction 1.8.8 Appeals Board
37	1.8.9 Unsafe Buildings or Structures
38	1.8.10 Other Building Regulations 1.9 Reserved 1.10 Reserved 1.11 Office of the State Fire Marshal
42	1.12 Reserved 1.13 Reserved 1.14 Reserved
44	DIVISION II—ADMINISTRATION Section R101 General R102 Applicability
45	R103 Department of Building Safety R104 Duties and Powers of the Building Official
46	R105 Permits
48	R106 Construction Documents
49	R107 Temporary Structures and Uses
50	R108 Fees R109 Inspections
51	R110 Certificate of Occupancy
52	R111 Service Utilities R112 Board of Appeals R113 Violations R114 Stop Work Order
58	Part II—Definitions CHAPTER 2 DEFINITIONS Section R201 General R202 Definitions
74	Part III—Building Planning and Construction CHAPTER 3 BUILDING PLANNING Section R300 Site Drainage R301 Design Criteria
103	R302 Fire-resistant Construction
109	R303 Light, Ventilation and Heating
110	R304 Minimum Room Areas
111	R305 Ceiling Height R306 Sanitation R307 Toilet, Bath and Shower Spaces R308 Glazing
114	R309 Garages and Carports
115	R310 Emergency Escape and Rescue Openings
117	R311 Means of Egress
120	R312 Guards and Window Fall Protection
121	R313 Automatic Fire Sprinkler Systems
134	R314 Smoke Alarms
138	R315 Carbon Monoxide Alarms
139	R316 Foam Plastic
142	R317 Protection of Wood and Wood-based Products against Decay
143	R318 Protection against Subterranean Termites
144	R319 Site Address R320 Accessibility R321 Elevators and Platform Lifts R322 Flood-resistant Construction
148	R323 Storm Shelters R324 Solar Energy Systems
149	R325 Mezzanines
150	R326 Reserved R327 Energy Storage Systems
151	R334 Construction Waste Reduction, Disposal and Recycling R335 Special Provisions for Licensed 24-hour Care Facilities in a Group R-3.1
154	R336 Large Family Day-care Homes
155	R337 Materials and Construction Methods for Exterior Wildfire Exposure R337.1 Scope, Purpose and Application
156	R337.2 Definitions
157	R337.3 Standards of Quality
158	R337.4 Ignition-resistant Construction R337.5 Roofing
159	R337.6 Vents R337.7 Exterior Covering
162	R337.8 Exterior Windows, Skylights and Doors
163	R337.9 Decking R337.10 Accessory Structures
164	R338 Electric Vehicle R340 Pollutant Control
168	CHAPTER 4 FOUNDATIONS Section R401 General
169	R402 Materials
170	R403 Footings
190	R404 Foundation and Retaining Walls
209	R405 Foundation Drainage
211	R406 Foundation Waterproofing and Dampproofing R407 Columns
212	R408 Under-floor Space
216	CHAPTER 5 FLOORS Section R501 General R502 Wood Floor Framing
225	R503 Floor Sheathing
226	R504 Pressure Preservative-treated Wood Floors (On Ground
227	R505 Cold-formed Steel Floor Framing
238	R506 Concrete Floors (On Ground
243	R507 Exterior Decks
256	CHAPTER 6 WALL CONSTRUCTION Section R601 General R602 Wood Wall Framing
304	R603 Cold-formed Steel Wall Framing
345	R604 Wood Structural Panels R605 Particleboard R606 General Masonry Construction
357	R607 Glass Unit Masonry
359	R608 Exterior Concrete Wall Construction
430	R609 Exterior Windows and Doors
433	R610 Structural Insulated Panel Wall Construction
444	CHAPTER 7 WALL COVERING Section R701 General R702 Interior Covering
449	R703 Exterior Covering
470	CHAPTER 8 ROOF-CEILING CONSTRUCTION Section R801 General R802 Wood Roof Framing
496	R803 Roof Sheathing
499	R804 Cold-formed Steel Roof Framing
514	R805 Ceiling Finishes R806 Roof Ventilation
516	R807 Attic Access
520	CHAPTER 9 ROOF ASSEMBLIES Section R901 General R902 Fire Classification
521	R903 Weather Protection R904 Materials R905 Requirements for Roof Coverings
533	R906 Roof Insulation R907 Rooftop-mounted Photovoltaic Panel Systems R908 Reroofing
534	R918 Solar Photovoltaic Panels/Modules
538	CHAPTER 10 CHIMNEYS AND FIREPLACES Section R1001 Masonry Fireplaces
542	R1002 Masonry Heaters R1003 Masonry Chimneys
546	R1004 Factory-built Fireplaces
547	R1005 Factory-built Chimneys
548	R1006 Exterior Air Supply
550	Part IV—Energy Conservation
552	Part V—Mechanical
554	Part VI—Fuel Gas
556	Part VII—Plumbing
558	Part VIII—Electrical
562	Part IX—Referenced Standards CHAPTER 44 REFERENCED STANDARDS
582	APPENDIX A Reserved
584	APPENDIX B Reserved
586	APPENDIX C Reserved
588	APPENDIX D Reserved
590	APPENDIX E Reserved
592	APPENDIX F RADON CONTROL METHODS Section AF101 Scope AF102 Definitions
593	AF103 Requirements
600	APPENDIX G Reserved
602	APPENDIX H PATIO COVERS Section AH101 General AH102 Definition AH103 Exterior Walls and Openings AH104 Height
603	AH105 Structural Provisions AH106 Special Provisions for Aluminum Screen Enclosures in Hurricane-prone Regions
606	APPENDIX I PRIVATE SEWAGE DISPOSAL Section AI101 General
608	APPENDIX J EXISTING BUILDINGS AND STRUCTURES Section AJ101 Purpose and Intent AJ102 Compliance
609	AJ103 Preliminary Meeting AJ104 Evaluation of an Existing Building
610	AJ105 Permit AJ201 Definitions AJ301 Repairs
611	AJ401 Renovations AJ501 Alterations
612	AJ601 Reconstruction AJ701 Referenced Standards
614	APPENDIX K SOUND TRANSMISSION Section AK101 General AK102 Airborne Sound AK103 Structural-borne Sound AK104 Referenced Standards
616	APPENDIX L PERMIT FEES
618	APPENDIX M Reserved
620	APPENDIX N Reserved
622	APPENDIX O AUTOMATIC VEHICULAR GATES Section AO101 General AO102 Definition AO103 Automatic Vehicular Gates AO104 Referenced Standards
624	APPENDIX P Reserved
626	APPENDIX Q TINY HOUSES Section AQ101 General AQ102 Definitions AQ103 Ceiling Height AQ104 Lofts
627	AQ105 Emergency Escape and Rescue Openings
628	APPENDIX R LIGHT STRAW-CLAY CONSTRUCTION Section AR101 General AR102 Definitions AR103 Nonbearing Light Straw- Clay Construction
631	AR104 Thermal Performance
632	APPENDIX S STRAWBALE CONSTRUCTION Section AS101 General AS102 Definitions
634	AS103 Bales
635	AS104 Finishes
639	AS105 Strawbale Walls—General
641	AS106 Strawbale Walls—Structural
646	AS107 Fire Resistance AS108 Thermal Insulation AS109 Referenced Standards
648	APPENDIX T SOLAR-READY PROVISIONS— DETACHED ONE- AND TWO-FAMILY DWELLINGS AND TOWNHOUSES Section T101 Scope T102 General Definition T103 Solar-ready Zone
650	APPENDIX U Reserved
652	APPENDIX V SWIMMING POOL SAFETY ACT
656	APPENDIX W AREAS PROTECTED BY THE FACILITIES OF THE CENTRAL VALLEY FLOOD PROTECTION PLAN
662	APPENDIX X EMERGENCY HOUSING Section AX101 General AX102 Definitions
663	AX103 Emergency Housing AX104 Emergency Sleeping Cabins
664	AX105 Emergency Transportable Housing Units AX106 Tents and Membrane Structures AX107 Accessibility AX108 Lofts in Emergency Housing
665	AX109 Location, Maintenance and Identification AX110 Emergency Housing Facilities
668	INDEX
678	HISTORY NOTE

Published By	Publication Date	Number of Pages
CA	2019	681


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Standard Title	California Residential Code, Title 24, Part 2.5 (W/ ERRATA & SUPPLEMENT)
Published Code	CA
Publication Date	2019
Pages Count	681

CA ResidentialCode 2019

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