4 county-level rules, plus city-specific rules for 1 city in Orange County, California.
Verified from official government sources
In unincorporated Orange County, one-story detached sheds under 120 square feet are exempt from building permits. Larger sheds require permits. All sheds must comply with zoning setbacks, lot coverage, and fire-zone requirements.
Fences under 6 feet do not require building permits in unincorporated Orange County if they comply with zoning requirements. Front setback fences have a 3.5 foot limit. No chain-link in front. Fences over 6 feet and retaining walls over 4 feet require permits.
Decks not more than 30 inches above grade are exempt from building permits in Orange County. Elevated decks, covered patios, and attached patio covers require permits. At-grade patios generally do not require permits.
Most renovation work in unincorporated Orange County requires building permits. Structural, electrical, plumbing, mechanical, and roofing work all need permits. Cosmetic work does not. Apply through OC Development Services.
1 cities in Orange County have their own permit requirements rules. Each link goes to that city's dedicated page with code citations.
See every category we cover for Orange County — parking, noise, fences, fires, animals, pools, and more.
Orange County Ordinance Hub →