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Welcome to the California Building Standards Commission

Code zone ahead. Click here for the 2015 Triennial Code Adoption Cycle now under way.

CBSC is authorized by California Building Standards Law to administer the many processes related to the development, adoption, approval, publication, and implementation of California’s building codes. 

The California Building Standards Code, Title 24 serves as the basis for the design and construction of buildings in California. Improved safety, sustainability, maintaining consistency, new technology and construction methods, and reliability are paramount to the development of building codes during each Triennial and Intervening Code Adoption Cycle

California’s building codes are published in their entirety every three (3) years.  Intervening Code Adoption Cycles produce Supplement pages half-way (18 months) into each triennial period.  Amendments to California’s building standards are subject to a lengthy and transparent public participation process throughout each code adoption cycle.  


2015 Triennial Code Adoption Cycle

The 2015 Triennial Code Adoption Cycle will culminate with the publication of the 2016 California Building Standards Code, Title 24, California Code of Regulations.  The 2016 Code will be published on or before July 1, 2016 and will go into effect on January 1, 2017.  For the 2015 Triennial Code Adoption Cycle activities click here.

For information regarding the code adoption processes click here.

2013 Intervening Code Adoption Cycle

The 2013 Intervening Code Adoption Cycle produced a Supplement to the 2013 California Building Standards Code, Title 24, California Code of Regulations prior to January 1, 2015. The Supplement, with the exception of Administrative provisions in Part 1 and changes without regulatory effect in Parts 1 and 11, Title 24,  will be effective on July 1, 2015.  Please refer to the following Information Bulletin, which was issued on December 2, 2014, for details:
  • Bulletin 14-08 - 2013 California Building Standards Code - 2013 Intervening Code Adoption Cycle Supplement (PDF)
For information concerning the rulemaking process or amendments affected by the Intervening Code Cycle Supplement click here.
  • 2013 Intervening Code Cycle Timeline (PDF)

Commission Meeting Webcast


The following link is active five (5) minutes prior to meeting start times.  Please be aware of the approximate sixty (60) second delay in the webcast when commenting on an agenda item via teleconference.