4 county-level rules, plus city-specific rules for 1 city in San Diego County, California.
Verified from official government sources
In unincorporated San Diego County, one-story detached sheds under 120 square feet are exempt from building permits if they maintain at least 6 feet clearance from other buildings. Larger sheds require permits. All sheds must comply with zoning setbacks and lot coverage.
Fences and freestanding masonry walls under 6 feet that comply with the County Zoning Ordinance do not require building permits in unincorporated San Diego County. 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 San Diego County. Elevated decks, covered patios, and attached patio covers require permits. At-grade patios generally do not require permits unless they affect drainage.
Most renovation work in unincorporated San Diego County requires building permits. Permits are needed for structural, electrical, plumbing, mechanical, and roofing work. Cosmetic work does not require permits. Apply through Planning and Development Services.
1 cities in San Diego County have their own permit requirements rules. Each link goes to that city's dedicated page with code citations.
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