Noise from Specific Sources in Mount Vernon, NY (2026)
4 verified noise from specific sources rules for Mount Vernon, New York, sourced directly from the municipal code and official government pages.
Verified from official government sources
HVAC & Mechanical Noise
Mount Vernon caps continuous noise crossing the property line from any air-conditioning or air-handling device in residential zones at 55 db(A), under § 178-4.9 of the Noise Control Ordinance. The limit does not apply if the unit raises the ambient sound level by less than 5 db(A), sparing quiet equipment installed in already-loud settings from enforcement.
Mount Vernon, NY Air Conditioner Noise Limit
Some RestrictionsCity of Mount Vernon Code § 178-4.9
No person shall operate or permit to be operated an air-conditioning or air-handling device that exceeds the maximum sound-level limitations provided in this section. ... In areas zoned residential, single-family or multiple-dwelling units, continuous sound in air which has crossed the property line shall not exceed 55 db(A) at any point. ... The provisions of this section shall not apply if th...
Bar & Nightclub Noise
Mount Vernon bans any restaurant, bar, cafe, discotheque or dance hall from running sound at or above 95 db(A) for more than 30 seconds at the spot where patrons sit, under § 178-4.12 of the Noise Control Ordinance. The limit is measured at the location of the spectators, not at the property line, making it enforceable from inside the venue itself.
Mount Vernon, NY Bar and Nightclub Noise Cap
Some RestrictionsCity of Mount Vernon Code § 178-4.12
No person shall operate or permit to be operated a place of public entertainment, including but not limited to a restaurant, bar, cafe, discotheque or dance hall, in which the sound level is equal to or exceeds 95 db(A) for more than 30 seconds at the location of the spectators.
Car Alarm Limits
Mount Vernon bars auto shops from testing car alarms within 100 feet of a residential zoning district by sounding them openly. Testing is only allowed indoors with doors and windows closed, or with a muffler fitted to the alarm.
Car Alarm Testing Rules in Mount Vernon, NY
Significant RestrictionsCity of Mount Vernon Code § 178-4B(15)
(15) Testing of car alarms: The testing of automobile alarms through the sounding of the alarm at an establishment for the installation or repair of automobile alarms located within 100 feet of a residential zoning district shall be prohibited, unless said testing occurs within a building in an area within said building which has no open windows or doors during the time of testing or unless a m...
Delivery Truck Noise
Mount Vernon's noise ordinance specifically outlaws unreasonably loud loading and unloading noise, including slamming crates, boxes and containers during a delivery. It's one of sixteen named acts the Noise Control Ordinance treats as an automatic violation.
Delivery Truck Noise Rules in Mount Vernon, NY
Some RestrictionsCity of Mount Vernon Code § 178-4B(9)
§ 178-4. Prohibitions; enumeration of restricted noises. A. ... It shall be unlawful for any person to make, continue or cause to be made or continued any excessive, unnecessary or unusually loud noise. B. The following acts are declared to be loud, disturbing and unnecessary noises in violation of this article, namely: ... (9) Loading, unloading or opening boxes: the creation of any unreasonab...
Looking for Westchester County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Mount Vernon city rules.
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