10 county-level rules, plus city-specific rules for 3 cities in Middlesex County, New Jersey.
Verified from official government sources
Middlesex County has no countywide quiet-hours ordinance. In New Jersey, quiet hours are set by each municipality (Edison, Woodbridge, Old Bridge, Piscataway, New Brunswick, Perth Amboy) under the NJ Noise Control Act and the NJDEP model ordinance, which mirror the state 10:00 p.m. to 7:00 a.m. nighttime window.
Middlesex County sets no countywide construction-hours rule. Permitted construction times are fixed by each municipality's noise ordinance, most modeled on the NJDEP template that bars construction 6:00 p.m. to 7:00 a.m. on weekdays and 6:00 p.m. to 9:00 a.m. on weekends.
Middlesex County has no countywide barking-dog noise ordinance. Animal-noise limits come from each municipality, most using the NJDEP model standard that treats sustained barking (about five minutes of continuous vocalizing) as a prima facie noise violation.
Middlesex County has no countywide leaf-blower ordinance. Powered lawn and landscaping equipment is regulated by each municipality, most following the NJDEP model that bars operation on residential property between 8:00 p.m. and 8:00 a.m.
Middlesex County has no general amplified-music ordinance, but it does regulate amplified sound in county parks: amplified sound systems are not allowed in reserved picnic or open grove areas. Off park land, amplified music is governed by each municipality's noise ordinance.
Middlesex County cannot regulate aircraft noise; airspace and aircraft operations are preempted by the FAA under federal law. There is no major commercial airport in the county, and Newark Liberty International sits about 15 miles north in Essex and Union counties.
Industrial and commercial noise in Middlesex County is regulated under the NJ State Noise Pollution Code, N.J.A.C. 7:29, enforced by the county Environmental Health Division as a CEHA-authorized agency. The code caps continuous sound at 65 dBA daytime and 50 dBA at night at a residential receptor.
Middlesex County has no county decibel ordinance, but its Environmental Health Division is a NJDEP-authorized CEHA agency that enforces the NJ State Noise Pollution Code, N.J.A.C. 7:29, which caps continuous sound at 65 dBA daytime and 50 dBA at night (10 p.m. to 7 a.m.) at a receptor.
Middlesex County has no general outdoor-music ordinance except in its parks, where amplified sound systems are barred in reserved picnic and grove areas. Outdoor music at homes and venues is regulated by each municipality under the state dBA standards.
Middlesex County does not set vehicle-noise rules. Motor-vehicle noise in New Jersey is governed statewide by Title 39, N.J.S.A. 39:3-70, which requires every vehicle to have a muffler in good working order and bans muffler cut-outs and noise-amplifying exhaust modifications.
N.J.S.A. 39:3-70 (Mufflers)
Every motor vehicle having a combustion motor shall at all times be equipped with a muffler in good working order and in constant operation to prevent excessive or unusual noise...no person shall use a muffler cut-out, bypass, or similar device upon a motor vehicle on a highway
3 cities in Middlesex County have their own noise ordinances rules. Each link goes to that city's dedicated page with code citations.
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Middlesex County Ordinance Hub →