California Building Code

California Building Code, Permit and Licensing Information

Updated: 5/25/21

California Building Code Agency

California Building Standards Commission
2525 Natomas Park Drive
Suite 130
Sacramento, CA  95833
Phone: (916) 263-0916

California Construction Code and Edition Adopted:

California is on a three-year code cycle as well. Local jurisdictions are required to enforce the Code as adopted but are allowed to request approval from the CBSC based on local geographic, climactic, or geologic conditions.  January 1, 2020 was the statewide effective date established by the California Building Standards Commission (CBSC) for the 2019 California Building Standards which adopts the 2018 editions of the IBC, IFC, IRC and IEBC with amendments.

  • 2018 International Building Code (IBC) *
  • 2018 International Residential Code (IRC) *
  • 2018 International Existing Building Code (IEBC) *
  • 2017 National Electric Code (NEC)*
  • 2018 International Fire Code (IFC) *

* The 2019 California Building Code effective January 1, 2020 based on the above model codes and state amendments.

2019 CALGreen and the 2019 California Energy Code also went into effect on January 1, 2020.

Additional emergency balcony and elevated walkway amendments were adopted and go into effect on projects submitted for permit on or after January 30, 2020.

Applicability (statewide, local, limited): STATEWIDE

Title 24 serves as the basis for the design and construction of buildings in California. Codes are adopted at the state level and are enforced on a statewide basis. Each local building and fire jurisdiction may amend these state codes providing their amendments are more stringent based on findings justified by climatic, geographic and topographical conditions of the jurisdiction. California’s  codes are published in their entirety every three 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. The 2019 California Building Code is based on the 2018 edition of the I-Codes.

See adiitional Statewide List of Building Codes here.

State Website
State Licensing
State Building Code The state of California has adopted the 2019 CBC (in reference to 2018  IBC), the 2019 California Residential Code, CRC (in reference to 2015 Residential Building Code, IRC), the 2019 California Fire Code (CFC), 2019 California Plumbing Code, CPC (in reference to 2018 Uniform Plumbing Code, UPC), 2019 California Electrical Code, CEC (in reference to 2017 National Electrical Code, NEC), 2019 California Mechanical Code, CMC (in reference to 2018 Uniform Mechanical Code, UMC).

California has a uniform state wide construction code, local jurisdiction enforce the same codes.

State Licensing Division
State Fire Marshall
State Environmental Permit
California Building Code by County
California Construction Code by County

Additional Building Codes by State

Alabama, Alaska, Arizona, Arkansas, California, Colorado, Connecticut, Delaware, Florida, Georgia, Hawaii, Idaho, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Maine, Maryland, Massachusetts, Michigan, Minnesota, Mississippi, Missouri, Montana, Nebraska, Nevada, New Hampshire, New Jersey, New Mexico, New York, North Carolina, North Dakota, Ohio, Oklahoma, Oregon, Pennsylvania, Rhode Island, South Carolina, South Dakota, Tennessee, Texas, Utah, Vermont, Virginia, Washington, West Virginia, Wisconsin, Wyoming

Code Title
Code Adopted
Technical Bases
Building Code
2015 IBC
Residential Code
2015 IRC
Fire Code
2015 IFC
Electric Code
2014 NEC
Mechanical Code
Not Adopted
Plumbing Code
Not Adopted
Private Sewage Disposal Code
Not Adopted
Fuel and Gas Code
Not Adopted
Green Construction Code
2017 CALGreen modeled after IgCC
Energy Conservation Code
Not Adopted,
Property Maintenance Code
No Statewide Standard, State or Local Adoption of Editions of Code
Existing Buildings Code
2015 IEBC
International Swimming Pool and Spa Code (ISPSC)
No Statewide Standard, State or Local Adoption of Editions of Code
Accessibility Code
Wildfire/Wildlife Urban Interface Code
No Statewide Standard, State or Local Adoption of Editions of Code
Zoning Code
Not Adopted
Fire Life Safety Code

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