6 county-level rules, plus city-specific rules for 10 cities in San Diego County, California.
Verified from official government sources
San Diego County's 2023 Consolidated Fire Code strictly regulates fire pits in unincorporated areas. Recreational fires must be in approved containers, 15 feet from structures, and attended at all times. Backcountry and VHFHSZ areas face additional restrictions, especially during Red Flag Warnings.
All fireworks — including 'safe and sane' consumer fireworks — are illegal in unincorporated San Diego County. The County Board of Supervisors has banned the sale, possession, and use of all fireworks in unincorporated areas due to wildfire risk.
San Diego County requires property owners in unincorporated areas to maintain defensible space around structures per the 2023 Consolidated Fire Code. Zone 0 (0–5 ft): non-combustible only. Zone 1 (5–50 ft): fire-resistant, irrigated plants. Zone 2 (50–100 ft): reduced fuel load. Compliance is mandatory year-round.
California Public Resources Code § 4291 (defensible space — 100 feet around structures in state responsibility areas)
99] ( Chapter 3 added by Stats. 1965, Ch. 1144. ) 4291. (a) A person who owns, leases, controls, operates, or maintains a building or structure in the state responsibility area shall at all times do all of the following: (1) (A) Maintain defensible space of 100 feet from each side and from the front and rear of the structure, but not beyond the property line, except as provided in subparagraph ...
Open burning in unincorporated San Diego County is heavily regulated by the San Diego County Air Pollution Control District (APCD) and the County Fire Authority. Agricultural burning requires APCD permits. Residential yard waste burning is generally prohibited. Recreational fires in approved containers may be allowed.
Much of unincorporated San Diego County is designated as a Very High Fire Hazard Severity Zone (VHFHSZ) by CAL FIRE. Properties in these zones must meet enhanced building standards, defensible space requirements, and fire-resistant landscaping per the County's Consolidated Fire Code.
CAL FIRE Office of the State Fire Marshal — Fire Hazard Severity Zones (Public Resources Code §§ 4201–4204; Gov. Code §§ 51175–51189)
ed mapping across California under the California Public Resources Code 4201-4204, encompassing all State Responsibility Areas (SRA). What are Fire Hazard Severity Zones? The State Fire Marshal is mandated to classify lands within State Responsibility Areas into Fire Hazard Severity Zones (FHSZ). Fire Hazard Severity Zones fall into one of the following classifications: Moderate High Very High ...
Unincorporated San Diego County enforces the 2022 California Residential Code Section R314 (adopted under County Code Title 9, Division 1) for smoke alarms. Alarms listed to UL 217 are required in each sleeping room, outside each sleeping area, and on each story including basements. New construction requires hardwired interconnected alarms with battery backup; alterations and additions trigger retrofit. Sellers must deliver a written compliance statement under Health and Safety Code Section 13113.8.
10 cities in San Diego County have their own fire regulations rules. Each link goes to that city's dedicated page with code citations.
8 verified rules • Backyard Fires, Brush Clearance
5 verified rules • Brush Clearance, Fire Pit Rules
5 verified rules • Brush Clearance, Fire Pit Rules
5 verified rules • Brush Clearance, Fire Pit Rules
7 verified rules • Backyard Fires, Brush Clearance
5 verified rules • Brush Clearance, Fire Pit Rules
6 verified rules • Brush Clearance, Fire Pit Rules
4 verified rules • Brush Clearance, Fire Pit Rules
6 verified rules • Backyard Fires, Brush Clearance
1 verified rule • Outdoor Burning
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