Princeton, NJ Noise Ordinance
Quiet Hours: 11PM-7AM (general amplified sound in residential vicinity); 10PM-7AM (privately sponsored amplified music events without permit); 7PM-7AM (Mon-Fri) and 6PM-8AM (Sat) for construction; Sundays (no construction); 8AM-10PM (homeowner repairs); 7PM-7AM (refuse collection); Gas Leaf Blowers: Prohibited May 16-Sept 30 and Dec 16-March 15. During permitted seasons: 8AM-8PM (weekdays), 8AM-5PM (Saturdays), banned Sundays/holidays. Power Lawnmowers/Electric/Battery-powered equipment: 8AM-8PM (Mon-Fri), 8AM-5PM (Sat), 1PM-6PM (Sun/holidays); Other gas-powered equipment: 8AM-8PM (Mon-Fri), 8AM-5PM (Sat), banned Sundays/holidays (exceptions for emergencies); Vehicle warming up/idling near homes: 11PM-7AM.
Residential Decibel Limit: Not specified (Day) / Not specified (Night)
Summary: Princeton, NJ's "Loud, Continuous or Excessive Noise" ordinance (Chapter 21 / B21) prohibits sounds endangering community welfare or disturbing comfort, repose, health, peace, or safety. It specifies quiet hours and restrictions for construction, amplified music, animal noise, vehicle operations, and landscaping equipment, aiming to mitigate various noise nuisances.