Noise from Specific Sources in Hamilton, NJ (2026)
4 verified noise from specific sources rules for Hamilton, New Jersey, sourced directly from the municipal code and official government pages.
Verified from official government sources
HVAC & Mechanical Noise
Air conditioners, boilers and similar fixed equipment in Hamilton are treated as stationary sound sources and must stay within the Township's decibel tables measured at the receiving property line, with lower nighttime limits between 10 p.m. and 7 a.m. There is no separate carve-out exempting mechanical equipment.
Hamilton HVAC and Boiler Noise Limits
Some RestrictionsHamilton Code § 311-2
A commercial, residential, industrial or public service property having boilers, incinerators, elevators, automatic garage doors, air conditioners, laundry rooms, utility provisions, or health and recreational facilities, or other similar devices or areas, either in the interior or on the exterior of the building, which may be a source of elevated sound levels at another category on the same di...
Car Alarm Limits
Vehicle and building burglar alarms must silence themselves within 5 minutes of continuous airborne sound or 15 minutes of intermittent sound after activation, and the decibel tables do not otherwise apply to them.
Hamilton Township Car Alarm Shutoff Rule
Some RestrictionsHamilton Code § 311-9E
All interior and exterior burglar alarms of a building or motor vehicle must be activated in such a manner that the burglar alarm terminates its operation within five minutes for continuous airborne sound and 15 minutes for intermittent sound after it has been activated. At all other times, the limits set forth in Table I, II or III do not apply.
Generator Noise
Hamilton Township's noise ordinance bans running any outdoor sound source, generators included, within 100 feet of a residential property line from 10 p.m. to 7 a.m. on weekdays and 11 p.m. to 7 a.m. on weekends, and requires a muffler on motorized equipment; the Police Department enforces it under § 317-17.
Hamilton Township Outdoor Generator Noise Hours
Some RestrictionsHamilton Code § 317-17.A, B(1), C
It shall be unlawful for any person to cause, suffer, allow or permit the operation of any source of sound outdoors within 100 feet of the residential property line from the hours of 10:00 p.m. to 7:00 a.m. on a weekday and 11:00 p.m. to 7:00 a.m. on the weekend. ... Power tools, home maintenance tools, landscaping and/or yard maintenance equipment used by a residential property owner or tenant...
Low-Frequency Bass Limits
Hamilton lets its noise officers cite a plainly audible bass beat as proof of a violation on its own, without identifying the song. Portable speakers on streets and sidewalks cannot be heard 50 feet away by day or 25 feet away at night, and C-weighted measurements catch low-frequency sound other tests miss.
Hamilton Rules on Audible Bass and Sound
Some RestrictionsHamilton Code § 311-2
Any sound that can be detected by an NCO or an NCI using his or her unaided hearing faculties of normal acuity. As an example, if the sound source under investigation is a portable or vehicular sound amplification or reproduction device, the detection of the rhythmic bass component of the music is sufficient to verify plainly audible sound. The NCO or NCI need not determine the title, specific ...
Looking for Mercer County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Hamilton city rules.
Noise from Specific Sources in Mercer County →