Standards & Codes: Building Codes

The 2022 California Building Standards Code (Title 24, California Code of Regulations) is affective as of January 1, 2023. Consult the CBSC site if you need to refer back to the older codes, for any additional supplements or errata, as well as the dates in which they went into effect. 

The codes are available for free, in "view only" mode. The list of errata and supplements may not be current on the list below.

• Part 1 - CALIFORNIA ADMINISTRATIVE CODE 
• Part 2 - CALIFORNIA BUILDING CODE, Volumes 1-2
  • Errata - Volume 1
  • Errata - Volume 2
• PART 2.5 - CALIFORNIA RESIDENTIAL CODE
  • Errata
• PART 3 - CALIFORNIA ELECTRICAL CODE - user registration required
• PART 4 - CALIFORNIA MECHANICAL CODE
• PART 5 - CALIFORNIA PLUMBING CODE
  • Errata
• PART 6 - CALIFORNIA ENERGY CODE
  • Errata
• PART 7 - Vacant - formerly California Elevator Safety Construction Code (see Cal. Code Regs., Title 8)
• PART 8 - CALIFORNIA HISTORICAL BUILDING CODE
• PART 9 - CALIFORNIA FIRE CODE 
  • Errata
• PART 10 - CALIFORNIA EXISTING BUILDING CODE
• PART 11 - CALIFORNIA GREEN BUILDING STANDARDS CODE - also referred to as CALGreen
  • Errata
• PART 12 - CALIFORNIA REFERENCED STANDARDS CODE