All fireworks are illegal in the City of San Mateo, including 'Safe and Sane' varieties. Violations are misdemeanors. San Mateo County also bans all fireworks with a $1,000 fine; spectator fines of $500 were added in 2023.
San Mateo Municipal Code prohibits the discharge, use, and sale of all fireworks within city limits, including those classified as 'Safe and Sane' by the State Fire Marshall. Any violators face misdemeanor charges. San Mateo County separately adopted a $1,000 fine per fireworks violation (use, possession, or sale). In 2023, the county added a $500 fine for spectators within 200 feet of illegal fireworks. Parents and property owners can be held liable for fireworks use by children or guests on their property. Fines increase to $2,000 near schools, daycares, or care facilities.
Misdemeanor offense (city). $1,000 fine (county). $500 spectator fine. Up to $2,000 near sensitive facilities.
San Mateo, CA
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Side-by-side rule comparisons with other cities in San Mateo County.
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