8 rules for unincorporated Nassau County, New York.
Verified from official government sources
Nassau County has no countywide quiet-hours ordinance. Each of the 3 towns (Hempstead, North Hempstead, Oyster Bay), 2 cities (Glen Cove, Long Beach), and 64 incorporated villages sets its own nighttime noise limits, typically 10 PM to 7 AM.
Nassau County does not set countywide construction hours. Typical town and village rules restrict construction to 7 AM to 6 PM weekdays and 9 AM to 6 PM Saturdays, with no work on Sundays or holidays without a permit.
Nassau County enforces dog nuisance complaints through the SPCA and local police. Most towns and villages prohibit barking that continues for 15 minutes or more or is audible across a property line after quiet hours.
Nassau County sets no countywide leaf-blower rule. Several incorporated villages (Great Neck Estates, Kensington, Sands Point, Roslyn) have enacted summer gas-blower bans; towns generally restrict operation to daytime hours only.
Amplified music audible 50 to 100 feet from the property line after 10 PM is prohibited in most Nassau towns and villages. County parks prohibit amplified sound without a permit from the Nassau County Department of Parks, Recreation and Museums.
Aircraft noise is federally preempted by the FAA (49 USC 41713). Nassau County hosts Republic Airport (FRG) in East Farmingdale; JFK and LaGuardia approaches cross the county. Local municipalities cannot restrict flight operations.
Commercial noise (HVAC, loading docks, refrigeration) is regulated by each town or village, typically limited to 65 dBA at the property line during daytime and 50 dBA at night. Nassau County Health Department can act on severe nuisances.
NY Vehicle and Traffic Law 386 sets statewide vehicle noise limits (SLEEP Act effective 2022: 1,000 dollar fine for illegal mufflers). Nassau County Police enforce on county roads and in unincorporated areas.
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Nassau County Ordinance Hub →