All fireworks are illegal in unincorporated San Mateo County — including 'Safe and Sane' fireworks. Fines are $1,000 per offense (raised from $100 in 2021). Spectator fines of $500 added in 2023. Parents/property owners liable.
San Mateo County bans all fireworks — including sparklers, fountains, snakes, and smoke balls classified as 'Safe and Sane' — in unincorporated areas, all county parks, and state parks. In 2021, fines were increased to $1,000 per offense. Enhanced penalties ($2,000) apply near schools, daycares, or care facilities, or when alcohol is involved. In 2023, spectators within 200 feet of illegal fireworks became subject to $500 fines. First-time violators are now liable for county emergency response costs. Parents are liable for children's violations; property owners/renters for guests on their property. Report violations at (650) 363-4911.
$1,000 per violation. $2,000 near sensitive uses. $500 spectator fine. Misdemeanor for injuries/damage >$1,000.
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