California Building Standards Commission:
Executive Director Mia Marvelli

2525 Natomas Park Drive, Suite 130
Sacramento, CA 95831
(916) 263-0916

Adopted I-Codes:
​2022 California Building Code
2022 California Residential Code
2022 California Energy Code
Applicability (statewide, local, limited): STATEWIDE

The IBC, IRC and IFC along with the first four chapters of the IEBC are adopted and then amended by the California Building Standards Commission.   

Tall Mass Timber Adoption

The tall mass timber provisions went into effect in 2021.


The BSC has recently adopted the 2021 IBC, IRC, IFC and IEBC with CA amendments.  Effective for CA State projects July 1st , 2022 and effective throughout the state Jan 1st, 2023. Cities, Counties, etc. can produce amendments so long as they are not less restrictive that the State of CA adopted codes.

Expected date most recent code will be adopted: January 1st, 2023​.

Page last updated: December 2023