Codes and Regulations

General Plan

Land Records

Subdivision Code

Zoning Code

Orange County Local CEQA Procedures Manual

Building Codes

  • Building Code – California Building Code 2019 Edition, California Residential Code 2019 Edition, Energy Code- California Energy Code 2019 Edition and California Green Building Standards Code 2019 Edition, California Historical Building Code 2019 Edition, California existing Building Code 2019 Edition, adopted and amended by Ordinance No. 19-006 on November 5, 2019
  • Plumbing Code - CPC 2019 Edition, adopted and amended by Ordinance No. 19-007 on November 5, 2019 .
  • Mechanical Code – California Mechanical Code 2019 Edition, adopted and amended by Ordinance No. 19-008 on November 5, 2019 .
  • Electrical Code – California Electrical Code 2019 Edition,  adopted and amended by Ordinance No. 19-009 on November 5, 2019 .
  • Fire Code – California Fire Code 2019 Edition, adopted and amended by Ordinance No. 19-010 on November 5, 2019 .

Beginning on January 1, 2020*, OC Development Services, Building and Grading Plan Check section is required by State law to enforce the 2019 Edition of California Building Standards Codes (a.k.a., Title 24 of the California Codes of Regulations). All permit applications submitted on or after January 1, 2020, will be required to meet these new 2019 California Building Standards Codes adopted by the above mentioned ordinances.


NEW Permitting Procedures for Small Residential Solar Energy Systems: Ordinance No. 15-012

Fire Hazard Severity Zone Map

Grading Code

NPDES Water Quality Regulations

Wireless Communications Facilities Ordinances

Other Codes, Ordinances and Regulations

If there are any questions regarding the details of a document, or to obtain a hard copy or other alternative formats of the original document, or to have a document read to you, please contact the OC Development Services office, Monday through Friday, 8:00 am to 4:00 pm PST, at 300 N. Flower Street, Santa Ana, CA 92703, by email at ocpcustomercare@ocpw.ocgov.com or by phone at (714) 667-8888.

In order to view the documents, please select the appropriate link above by clicking on the title. The documents can be viewed using Adobe Acrobat.

Previous Building Codes

  • Building Code – California Building Code 2016, California Residential Code 2016, Energy Code- California Energy Code 2016 and California Green Building Standards Code 2016, Adopted and amended by Ordinance No. 13-010 on November 22, 2016
  • Plumbing Code - CPC 2016 Adopted and amended by Ordinance No. 16-019 on November 22, 2016 .
  • Mechanical Code – California Mechanical Code 2016 Adopted and amended by Ordinance No. 16-020 on November 22, 2016 .
  • Electrical Code – California Electrical Code 2016 Adopted and amended by Ordinance No. 16-021 on November 22, 2016 .
  • Fire Code – California Fire Code 2016 Adopted and amended by Ordinance No. 16-022 on November 22, 2016 .
  • Grading Manual - 1993 Edition.
  • Grading and Excavation Code - 1993 Edition.