What is the California Building Standards Code?

A: The California Building Standards Code (CBSC) is maintained by the California Building Standards Commission (www.bsc.ca.gov) and contains the codes and laws that regulate the construction of all buildings and structures in the State of California. The CBSC is Title 24 of the California Code of Regulations (CCR) and consists of twelve parts: Five (5) parts are authored by the State of California and seven (7) parts are based on model codes that are authored by various model code writing bodies.


The new 2022 California Building Standards Code includes:


  • Part 1, 2022 California Administrative Code (CAC) published by the International Code Council (ICC)
  • Part 2, 2022 California Building Code (CBC), which is based on the 2021 International Building Code (IBC) published by the International Code Council (ICC)
  • Part 2.5, 2022 California Residential Code (CRC), which is based on the 2022 International Residential Code (IRC) published by the International Code Council (ICC)
  • Part 3, 2022 California Electrical Code (CEC), which is based on the 2020 National Electrical Code (NEC) published by the National Fire Protection Association (NFPA)
  • Part 4, 2022 California Mechanical Code (CMC), which is based on the 2021 Uniform Mechanical Code (UMC) published by the International Association of Plumbing and Mechanical Officials (IAPMO)
  • Part 5, 2022 California Plumbing Code (CPC), which is based on the 2021 Uniform Plumbing Code (UPC) published by the International Association of Plumbing and Mechanical Officials (IAPMO) Part 6, 2022 California Energy Code (CEC), which is written by the California Energy Commission (CEC), and published by the California Building Standards Commission
  • Part 8, 2022 California Historical Building Code (CHBC) published by the International Code Council (ICC)
  • Part 9, 2022 California Fire Code (CFC), which is based on the 2021 International Fire Code (IFC) published by the International Code Council (ICC)
  • Part 10, 2022 California Existing Building Code (CEBC), which is based on the 2021 International Existing Building Code (IEBC) published by the International Code Council (ICC)
  • Part 11, 2022 California Green Building Standards Code (CGBSC), which is based on the 2021 International Building Code (IBC) published by the California Building Standards Commission
  • Part 12, 2022 California Referenced Standards Code (CRSC) published by the International Code Council (ICC)

Show All Answers

1. Why do I need a building permit?
2. Where can I find the original plans for my house?
3. What is the California Building Standards Code?
4. When is the new 2022 California Building Standards Code effective?
5. If my project was permitted under the 2019 California Building Standards Code and I need to revise my approved plans, which edition of the codes will be applicable?
6. When are permits needed?
7. Can I apply for a permit online?
8. Can plan check be done over the counter?
9. What type of building inspections are required?
10. How can I check my permit Inspection results?
11. Emergency repairs without a permit?
12. Work exempt from permit's?
13. How do I contact a Building Inspector?
14. How do I schedule inspections?
15. Do you have plans of my home?
16. Does my contractor need a license?
17. Do all building permits need inspections?
18. Can I view the permit history of a property online?
19. What If I begin work without a permit?
20. Who owns a permit?
21. Do all permits need a "Final" inspection?
22. Who do I contact about plan check review comments?
23. How long does a plan check take?
24. What do you do if you need to Abandon a Septic Tank?
25. Does my retaining wall need a permit?
26. Do you have Geology/ Tract Files? Can they be emailed?
27. How much will my building permit cost?
28. Do field changes (modifications to approved plans) need to be approved?
29. Do I need to hire someone to draw my plans for me?
30. Can I live in my garage?
31. Can I perform work as owner/builder on my commercial property?
32. How do I check on the plan review status of my permit?
33. Can I do the work myself or do I have to hire a contractor?
34. Can the homeowner do the construction work?
35. Why are all contractors (the electrician, the plumber, the general contractor, etc.) required to be licensed in the City?
36. What is the maximum window U-factor and SHGC (solar heat gain coefficient)?
37. Do I need a permit to replace my driveway or sidewalk or to add Hardscaping?
38. What are setbacks for a property?
39. Why am I being subjected to enforcement when my neighbors are doing the same thing?
40. How do I make a Code Enforcement complaint?
41. How can i find out where my property line is located?
42. How do I legalize an addition or dwelling unit built without permits?
43. How do I get a permit to have a dumpster on the street for my construction debris?
44. What do I do if my permit expires?
45. How do I expedite a plan check?
46. How can I get a Certificate of Occupancy (C of O)?
47. When may I start building?
48. Do I need a permit for a storage shed, playhouse, etc.?