Modesto bans operation of gas-powered or engine-driven equipment — including backpack leaf blowers, chain saws, and lawn mowers — before 7 AM or after 9 PM on weekdays, and before 9 AM on weekends and state/federal holidays.
Modesto Municipal Code §4-9.103(b) declares it a public nuisance to operate tools or equipment powered by internal-combustion engines (explicitly including backpack blowers, chain saws, and lawn mowers) before 7:00 a.m. or after 9:00 p.m. Monday through Friday. On Saturdays, Sundays, and state or federal holidays the prohibition extends from before 9:00 a.m. The ordinance defines 'loud and raucous noise' broadly and authorizes Code Enforcement to cite violators. No city-wide ban on gas-powered blowers exists; use is permitted during allowed hours.
Civil penalties up to $2,500 per violation per day. Repeat or egregious violations may be pursued as a misdemeanor under California Penal Code §415, carrying up to $400 fine or 90 days jail.
Modesto, CA
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See how Modesto's leaf blower rules rules stack up against other locations.
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