Developments and proposed building standards and public comment notices are updated as available. Comments may be submitted to the California Building Standards Commission at cbsc@dgs.ca.gov

2027 Triennial Code Adoption Cycle

The 2027 Triennial Code Adoption Cycle results in the 2028 California Building Standards Code. The 2028 California Building Standards Code will become effective on January 1, 2029.

Development of Proposed Building Standards

HCD is currently developing proposed building standards related to the 2027 Triennial Code Adoption Cycle.

Part 2 California Building Code (2028 CBC)

Coming soon.

Part 2.5 California Residential Code (2028 CRC)

Coming soon.

Part 3 California Electrical Code (2028 CEC)

Coming soon.

Part 4 California Mechanical Code (2028 CMC)

Coming soon.

Part 5 California Plumbing Code (2028 CPC)

Senate Bill 745 Pre-cycle Comment Period

Part 10 California Existing Building Code (2028 CEBC)

Coming soon.

Part 11 California Green Building Standards Code (2028 CALGreen)

Senate Bill 745 Pre-cycle Comment Period

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