Orange County, CA Building Safety: Green Building Code (2026)
Key Facts
- Code adopted
- 2025 CA Green Building Standards Code
- Applies to
- Unincorporated Orange County only
- Local amendment
- Sec. 7-1-55 adds "Sustainability" definition
- Enforcement
- OC Public Works Building Official
- Adopted by
- Ord. No. 25-018, Nov. 4, 2025
Summary
Unincorporated Orange County enforces the 2025 California Green Building Standards Code under Title 7 of the county's own Codified Ordinances, with a county-added sustainability definition and Building Official plan review.
Section 202 of the 2025 California Green Building Standards Code is hereby amended to add a definition to read as follows: Sustainability. Consideration of present development and construction impacts on the community, the economy, and the environment without compromising the needs of the future.
Official source re-checked September 7, 2026: no newer edition of the code had been published (publisher’s edition: Code of Ordinances: Supplement 157).
Full Breakdown
Sec. 7-1-12 of the Codified Ordinances adopts the 2025 California Green Building Standards Code for construction in unincorporated Orange County, with Chapter 1 of that code added into Division II, Chapter 1 of the California Building Code with county amendments. The Board of Supervisors then wrote its own local amendment: Sec. 7-1-55 amends Section 202 to add a formal definition of "Sustainability." OC Public Works and the county Building Official handle plan review, permitting and inspection. The 34 incorporated cities inside the county, including Anaheim, Santa Ana and Irvine, are not covered, each enforces its own adopted green building code.
Violations & Fines
Violating the adopted code is punishable under Sec. 1-1-34 as a misdemeanor, up to a $1,000 fine or six months in County Jail, or as an infraction with fines of $100 to $500 per repeat offense.
Frequently Asked Questions
Does this county green building code apply inside Anaheim or Irvine?
What did the county add to the state's Green Building Standards Code?
Sources & Official References
Other rules in Orange County
California rules heatmap·Compare Orange County to another location·View the California building safety overview
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