Mount Vernon, NY Noise Ordinances: Quiet Hours (2026)
Quiet hours in Mount Vernon, NY, also called the noise ordinance, nighttime noise rules, or residential quiet time, define the hours during which excessive noise is prohibited.
Key Facts
- Daytime residential limit
- 65 db(A), 8 a.m. to 8 p.m.
- Nighttime residential limit
- 55 db(A), 8 p.m. to 8 a.m.
- Tonal noise penalty
- Limits drop another 5 db(A) for tonal sound
- Commercial district limit
- 65 db(A) or L10 of 60 db(A)
- Enforcing agency
- City of Mount Vernon Police Department
Summary
From 8 p.m. to 8 a.m., Mount Vernon's residential noise ceiling drops to 55 db(A), ten points below its 65 db(A) daytime cap, under § 178-4.14 of the Noise Control Ordinance. Any sound with an impulsive or discrete tone, like a repeated bang or a whine, must be another five decibels quieter than either limit.
During the hours of 8:00 a.m. to 8:00 p.m., noise levels within any residential zoned district shall not exceed 65 db(A) or an L10 in excess of 60 db(A). ... During the hours of 8:00 p.m. to 8:00 a.m., noise levels within any residential zoned district shall not exceed 55 db(A) or an L10 in excess of 50 db(A).
Full Breakdown
14 sets zoning-district noise ceilings measured at the property line or, in a receiving district, at the boundary line. m. , the limit drops to 55 db(A), or an L10 in excess of 50 db(A). Subsection A(3) tightens both windows by another five decibels for any sound that contains impulsive or discrete tone characteristics, capturing repetitive mechanical noise rather than a steady hum. Commercial and retail districts run a flat 65 db(A), or L10 of 60 db(A), around the clock, and manufacturing districts are capped at 70 db(A) for 24 hours but must also stay at or under 60 to 65 db(A), depending on the manufacturing subdistrict, measured at a residential or commercial boundary.
on weekdays absent a Commissioner of Buildings permit for urgent work, with its own overnight decibel ceilings measured 400 feet from the site. 17, which can issue a cease-and-desist order or, with a judicial order, seal the offending device.
Violations & Fines
Exceeding the residential 65/55 db(A) day/night ceiling, or the commercial and manufacturing district limits, under § 178-4.14 is punishable under § 178-4.18 by a fine of up to $1,000, imprisonment of up to 15 days, or both, with every day the violation continues charged as a separate offense.
Frequently Asked Questions
What time do Mount Vernon's noise rules get stricter at night?
Does a repetitive sound like a generator get treated differently?
Are commercial and residential districts held to the same nighttime limit?
Sources & Official References
Other rules in Mount Vernon
How Mount Vernon compares: Cities with the Strictest Noise Ordinances·New York rules heatmap·Compare Mount Vernon to another location·View the New York noise ordinances overview
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Quiet Hours in Nearby Cities
How other cities in Westchester County handle quiet hours.