Quiet hours in Suffolk County, NY — also called the noise ordinance, nighttime noise rules, or residential quiet time — define the hours during which excessive noise is prohibited.
Suffolk County has no unified county-wide quiet hours ordinance. Each of the 10 towns (Babylon, Islip, Huntington, Smithtown, Brookhaven, Riverhead, Southold, Southampton, East Hampton, Shelter Island) sets its own nighttime noise rules. NY Penal Law 240.20(2) governs unreasonable noise as disorderly conduct statewide.
On Long Island, noise regulation is a town-level function. Suffolk County Police (in the five western towns) and town constabularies enforce town code noise sections. Typical town quiet hours run 10 PM to 7 AM on weekdays and 11 PM to 8 AM on weekends, but exact thresholds vary. Residents should check their specific town code chapter for plainly audible standards and decibel limits. County park noise rules (Suffolk County Code Chapter 805, Parks) apply on county parkland.
Town-level violations typically $100 to $1,000 per offense, higher for repeat offenses. NY Penal Law 240.20 disorderly conduct is a violation carrying up to 15 days jail.
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See how Suffolk County's quiet hours rules stack up against other locations.
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