West Palm Beach, FL Noise from Specific Sources: Car Alarm Limits (2026)

Section 34-41 targets any siren or alarm system built into or attached to a motor vehicle that's designed to sound off during a break-in or attempted break-in. Subsection (b) makes it unlawful for that alarm to emit noise audible at 100 feet, intermittently or continuously, for more than 30 minutes; whoever has custody of the vehicle at the time is in violation, whether or not they're present. On public streets, subsection (c) declares a runaway alarm a public nuisance that a law enforcement officer can abate by towing the vehicle, but only after giving the owner or custodian a chance to disconnect or deactivate the alarm at the scene first.

If the vehicle is towed, the department must mail the registered owner written notice within 24 hours listing the reason and where the vehicle was taken; towing and storage fees can be appealed in county court by posting a bond covering the disputed amount. On private property, subsection (d) sets a flat $50 fine against whoever owns or has custody of the vehicle, and authorizes a law enforcement or noise control officer to enter the property without force to investigate and issue a citation. Subsection (e) carves out a defense: it's not a violation if the officer determines the alarm was triggered by someone forcing open a hood, trunk or door, breaking a window, or by lightning, thunder or severe weather.