NYC Admin Code §24-221 limits car alarms to 3 minutes of sound per trigger. Violations lead to $105–$875 fines. NYC banned new audible-only alarms in 1992, though Legal Aid challenges to the ban have not succeeded.
NYC Admin Code §24-221 strictly regulates vehicle alarms. An audible alarm may not sound for more than 3 minutes on a single trigger, and repeated false triggers are a violation. Since Local Law 82 of 1992, NYC has prohibited the sale or installation of new audible-only car alarms; the intent was to shift drivers toward silent/pager-style alarm systems. The NYC Police Department and DEP can issue summonses under §24-221. Owners of vehicles whose alarms exceed the 3-minute limit can be fined starting at $105, with repeat offenses up to $875. Brooklyn residents file hundreds of 311 car-alarm complaints per month, concentrated in dense residential blocks. Vehicles may be towed as a nuisance after extended alarm operation (§4-05). Electric vehicle pedestrian-warning sounds are separately regulated by federal NHTSA rules.
Alarm over 3 minutes: $105 first offense, $175–$875 repeat per §24-257. New audible-only alarm installation: $500+ for installer under LL 82/1992.
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