California Building Codes

Codes

Adoption Info

INCORPORATED UPDATES 
2019 Title 24, Part 1, California Administrative Code
 
July 2021 Supplement
Original document
effective July 1, 2021
 
January 2020 Errata (non-substantive corrections)
Original document
effective January 1, 2020

2019 Title 24, Part 2, Vol. 1, California Building Code
 
July 2021 Supplement
Original document
effective July 1, 2021
 
October 2020 Errata (non-substantive corrections)
Original document
effective October 1, 2020
 
January 2020 Errata (non-substantive corrections)
Original document
effective January 1, 2020

2019 Title 24, Part 2, Vol. 2, California Building Code
 
July 2021 Supplement
Original document
effective July 1, 2021
 
October 2020 Errata (non-substantive corrections)
Original document
effective October 1, 2020
 
January 2020 Errata (non-substantive corrections)
Original document
effective January 1, 2020

2019 Title 24, Part 2.5, California Residential Code
 
July 2021 Supplement
Original document
effective July 1, 2021
 
January 2020 Errata (non-substantive corrections)
Original document
effective January 1, 2020

2019 Title 24, Part 4, California Mechanical Code
 
July 2021 Supplement
Original document
effective July 1, 2021
 
January 2020 Errata (non-substantive corrections)
Original document
effective January 1, 2020

2019 Title 24, Part 5, California Plumbing Code
 
July 2021 Supplement
Original document
effective July 1, 2021
 
September 2020 Errata (non-substantive corrections)
Original document
effective September 1, 2020
 
January 2020 Errata (non-substantive corrections)
Original document
effective January 1, 2020
 
CWoRE—Part 5 Supplement (non-substantive corrections)
Original document
effective August 17, 2019

2019 Title 24, Part 6, California Energy Code
 
January 2020 Errata (non-substantive corrections)
Original document
effective January 1, 2020

2019 Title 24, Part 9, California Fire Code
 
July 2021 Supplement
Original document
effective July 1, 2021
 
October 2020 Errata (non-substantive corrections)
Original document
effective October 1, 2020
 
January 2020 Errata (non-substantive corrections)
Original document
effective January 1, 2020

2019 Title 24, Part 10, California Existing Building Code
 
July 2021 Supplement
Original document
effective July 1, 2021
 
January 2020 Errata (non-substantive corrections)
Original document
effective January 1, 2020 

2019 Title 24, Part 11, California Green Building Standards Code
 
July 2021 Supplement
Original document
effective July 1, 2021
 
January 2020 Errata (non-substantive corrections)
Original document
effective January 1, 2020
 
CWoRE—Part 11 Supplemen
Original document
effective August 17, 2019

California Building Codes

The building codes of California adopt the the International Building Code 2021 (IBC 2021), International Residential Code 2021 (IRC 2021), International Fire Code 2021 (IFC 2021), National Electrical Code, 2020, Uniform Plumbing Code 2021, Uniform Mechanical Code 2021, and the Energy Standard for Buildings Except Low-Rise Residential Buildings, 2019.

California building codes, including the fire and residential codes

California Agencies

California Building Standards Commission
Website: http://www.bsc.ca.gov/default.htm
Address: 2525 Natomas Park Drive, Suite 130, Sacramento, CA 95833
Email: cbsc@dgs.ca.gov
Phone: (916) 263-0916

Office of the State Fire Marshal - Headquarters
Website: https://osfm.fire.ca.gov
Address: 715 P Street, Sacramento, CA 95814
P.O. Box: 944246 Sacramento, CA 94244-2460
Phone: (916) 568-3800

California Energy Commission
Website: https://www.energy.ca.gov/
Address: 715 P Street, Sacramento, CA 95814
Phone:
Toll-free in California: 800-555-7794
Outside California: 916-654-4287