Mount Vernon, NY Noise Ordinances: Construction Hours (2026)
Construction hours in Mount Vernon, NY, sometimes called construction noise rules or contractor work-hour ordinances, set when contractors can run power tools, hammers, and heavy equipment.
Key Facts
- Allowed hours
- 7:00 a.m. to 6:00 p.m., weekdays only
- Residential daytime cap
- L10 70 db(A) at 400 ft
- Residential off-hours cap
- L10 55 db(A) at 400 ft
- Manufacturing zone cap
- 80 db(A), 24-hour, at site boundary
- Emergency work permit
- Issued by Commissioner of Buildings
Summary
Mount Vernon limits noisy construction work, such as pile drivers, pneumatic hammers and steam hoists, to 7:00 a.m. to 6:00 p.m. on weekdays. Construction sites near homes also face numeric decibel ceilings measured 400 feet away.
(10) Construction or repairing of buildings: the erection (including excavation), demolition, alteration or repair of any building, including the use of any pile driver, steam shovel, pneumatic hammer, derrick, steam or electric hoist or other equipment, the use of which is attended by loud or unusual noise, other than between the hours of 7:00 a.m. and 6:00 p.m. on weekdays, except in case of urgent necessity in the interest of public health and safety and then only with a permit as provided for in § 178-4.14 or 178-4.15. ... D. ... Construction sites ... (1) Residential zoned districts. During the hours of 8:00 a.m. to 8:00 p.m. on weekdays, noise levels from a construction site shall not exceed an L10 of 70 db(A) when measured at a distance of 400 feet from the construction site; during the hours of 8:00 p.m. to 8:00 a.m., on weekends, noise levels shall not exceed an L10 of 55 db(A) when measured at a distance of 400 feet from the construction site.
Full Breakdown
on weekdays. 15. on weekdays, dropping to an L10 of 55 db(A) at 400 feet on weekends and at night. In commercial and retail districts the cap during normal business hours is an L10 of 75 db(A) at 400 feet, rising to 80 db(A) outside normal hours, and in manufacturing districts the 24-hour cap is 80 db(A) measured at the construction site boundary itself. 15 for other noise sources.
Violations & Fines
Violating either the 7:00 a.m. to 6:00 p.m. weekday window in § 178-4B(10) or the decibel ceilings in § 178-4.14D is punishable under § 178-4.18 by a fine of up to $1,000, up to 15 days in jail, or both, with each day of continued violation a separate offense enforced by the Police Department.
Frequently Asked Questions
What hours can construction crews make noise in Mount Vernon?
Is there a decibel limit for construction noise near homes, or just an hours rule?
Can a contractor get permission to work outside the normal construction hours?
Sources & Official References
Other rules in Mount Vernon
How Mount Vernon compares: Cities with the Strictest Construction Hours·New York rules heatmap·Compare Mount Vernon to another location·View the New York noise ordinances overview
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Construction Hours in Nearby Cities
How other cities in Westchester County handle construction hours.