Noise from Specific Sources in Dearborn, MI (2026)
4 verified noise from specific sources rules for Dearborn, Michigan, sourced directly from the municipal code and official government pages.
Verified from official government sources
HVAC & Mechanical Noise
Air conditioners, heat pumps, fans, and refrigeration units count as regulated "fixed noise sources" in Dearborn and must stay within the noise ordinance's continuous-sound limits: 45 dB(A) at night, 50 dB(A) by day in residential areas.
Dearborn HVAC & AC Noise Rules
Some RestrictionsDearborn Code of Ordinances § 13-42; § 13-44(3)
Fixed noise source means a stationary device which creates sounds while fixed or motionless, including but not limited to, residential, agricultural, industrial and commercial machinery and equipment, pumps, fans, compressors, air conditioners, and refrigeration equipment. Impulsive noise means sound of short duration, usually less than one second, with an abrupt onset and rapid decay. Examp...
Bar & Nightclub Noise
Dearborn caps indoor sound at bars, nightclubs and other places of public entertainment at 95 dB(A) measured at any spot a customer occupies, unless the venue posts a warning sign about hearing impairment. Code of Ordinances § 13-45(6) is a distinct rule from the property-line noise curfews, and violators face the same escalating fine schedule as every other Article II noise offense.
Dearborn Bar and Nightclub Noise Limit
Some RestrictionsDearborn Code of Ordinances § 13-45(6)
(6) Places of public entertainment. Operating or permitting the operation or playing of any loudspeaker, musical instrument, motorized racing vehicle, or other source of sound in any place of public entertainment that exceeds 95 dB(A), as read on the slow response of a sound level meter at any point normally occupied by a customer, without a conspicuous and legible sign stating: "WARNING! SOUND...
Generator Noise
Dearborn caps generator noise from street vendors at 80 decibels, measured 15 feet from the machine, under the city's street vendor ordinance.
Dearborn Vendor Generator Noise Limit
Some RestrictionsDearborn Code of Ordinances § 12-240(h)
Generator noise. All generators must operate at a level of 80 decibels or lower, exclusive of any other noise, when measured from a distance of 15 feet. (i) Motor vehicles. Vending from a motor vehicle is restricted to public ways. No vendor vending from a motor vehicle shall: (1) Stop, stand or park the vehicle within 200 feet of any intersection, within any other prohibited area,...
Delivery Truck Noise
Dearborn bars loud loading and unloading of boxes, crates and containers between 10 p.m. and 7 a.m. when it disturbs a residential property line, directly covering nighttime delivery-truck noise.
Dearborn Loading and Unloading Noise Rule
Some RestrictionsDearborn Code of Ordinances § 13-45(4)
Loading and unloading. Loading, unloading, opening, closing or other handling of boxes, crates, containers, building materials, garbage cans, or similar objects between the hours of 10:00 p.m. and 7:00 a.m. in such a manner as to cause a noise disturbance across a residential real property line.
Looking for Wayne County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Dearborn city rules.
Noise from Specific Sources in Wayne County →