Outdoor burning rules in South San Francisco, CA β also called the burn ban, open burning, or fire restriction ordinance β set when you can burn yard waste, debris, or run a recreational fire.
Open burning is banned in South San Francisco under BAAQMD Regulation 5. Wood-burning devices (fireplaces, stoves, fire pits) are prohibited on Spare the Air Alert days under BAAQMD Regulation 6, Rule 3.
South San Francisco is within the BAAQMD jurisdiction. BAAQMD Regulation 5 bans virtually all open burning in the Bay Area. BAAQMD Regulation 6, Rule 3 prohibits wood-burning fireplaces, stoves, pellet stoves, and outdoor fire pits on Spare the Air Alert days. The 2025 rule lowered the PM2.5 threshold to 25 Β΅g/mΒ³, increasing expected alert days to 19β41 per year. New construction in the Bay Area cannot include wood-burning devices. Property sellers must provide a Residential Wood Burning Disclosure.
Illegal burning: $100 to $1,000 city fines. AQMD violations: $100 to $1,000/day. PRC Β§4423: up to $1,000 + 6 months imprisonment.
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Side-by-side rule comparisons with other cities in San Mateo County.
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