Noise Ordinances in Lowell, MA (2026)
10 verified noise ordinances for Lowell, Massachusetts, sourced directly from the municipal code and official government pages.
Verified from official government sources
Quiet Hours
Lowell Code Chapter 204, Section 204-3 sets district-based dBA limits keyed to time of day. In single- and two-family residential districts the limit drops to 40 dB(A) from 10:00 p.m. to 7:00 a.m. (45 dB(A) in the 6 PM-10 PM evening band, 50 dB(A) daytime).
Nighttime Sound Limits: 40 dBA Residential 10 PM-7 AM
Heavy RestrictionsCode of the City of Lowell, MA, Chapter 204 (Noise), Section 204-3 (Sound-level limits; Limits established, added 3-28-2006)
It shall be unlawful for any person to operate or cause to be operated any single or combination of fixed source or nonstationary source equipment or machinery or to conduct any other activity or process that individually or collectively constitutes an identifiable sound source in such a manner as to cause the sound level at any point on the real property boundary of any property to exceed by f...
Construction Hours
Lowell Code Section 204-4C(8) limits erection, demolition, alteration, repair and excavation of buildings to 7:00 a.m.-6:00 p.m. on weekdays. Work outside those hours requires a Building Inspector permit issued only for urgent public-health/safety necessity (or a finding that no party would be inconvenienced). Power tools are separately barred 10 PM-7 AM (Section 204-4C(5)).
Construction Allowed 7 AM-6 PM Weekdays Only
Heavy RestrictionsCode of the City of Lowell, MA, Chapter 204 (Noise), Section 204-4C(8) (Construction or repairing of buildings)
Construction or repairing of buildings. The erection (including excavation), demolition, alteration or repair of any building other than between the hours of 7:00 a.m. and 6:00 p.m. on weekdays, except in case of urgent necessity in the interest of public health and safety, and then only with a permit from the Building Inspector, which permit may be granted for a period not to exceed three days...
Barking Dogs
Lowell Code Section 104-29 prohibits owners from allowing a dog to bark in the open, outside any building, repetitively for more than 30 minutes between 9:00 p.m. and 7:00 a.m. Excessive daytime barking (7 AM-9 PM) due to owner neglect is also subject to fines. The noise chapter's Section 204-4C(11) makes any animal causing frequent or long-continued annoyance a prima facie violation when two adjacent-residing neighbors agree on the disturbance.
Barking Dogs: 30+ Min Outdoors 9 PM-7 AM Prohibited
Some RestrictionsCode of the City of Lowell, MA, Chapter 104 (Animals), Section 104-29, as published by the Lowell Police Department Animal Control
Owners shall not allow their dog(s) to bark in the open, outside of any building, repetitively for more than 30 minutes between the hours of 9 PM and 7 AM. Excessive barking by any dog during the hours of 7 AM and 9 PM due to owner neglect, as determined by the Animal Control Officer, shall be subject to fines (City Ordinance 104-29).
Leaf Blower Rules
Lowell restricts gas-powered leaf blower use to daytime hours; no outright ban exists, but decibel and hour limits apply under the general noise ordinance.
Lowell Leaf Blower Hours and Restrictions
Few RestrictionsAmplified Music & Events
Lowell Code Section 204-4C(12) makes it unlawful to operate any radio, stereo, loudspeaker, instrument or other sound-reproducing device so as to disturb a reasonable person; operating such a device between 10:00 p.m. and 7:00 a.m. so that it is plainly audible 50 feet away is prima facie evidence of a violation. Outdoor amplified public entertainment is separately barred without a License Commission permit (Section 204-3E).
Radios/Amplifiers Plainly Audible 50 ft = Violation
Heavy RestrictionsCode of the City of Lowell, MA, Chapter 204 (Noise), Section 204-4C(12) (Radios and other such devices)
Radios and other such devices. The use, operation, or permitting to be played, used, or operated of any sound production or reproduction device, radio receiving set, musical instrument, drums, stereo, television set, loudspeakers, sound amplifiers or other machine or device for the producing or reproducing of sound in such a manner as to disturb the peace, quiet and comfort of any reasonable pe...
Aircraft Noise
Lowell Code Section 204-5G expressly exempts aircraft operated in conformity with federal law and FAA air traffic control from the city's noise prohibitions. Aircraft in-flight noise is federally preempted, so no Lowell-specific decibel limit applies to overflights at the Lowell Executive Airport area.
Aircraft Noise Exempt - Federal Preemption
Few RestrictionsCode of the City of Lowell, MA, Chapter 204 (Noise), Section 204-5G (Exemptions)
Any aircraft operated in conformity with, or pursuant to, federal law, federal air regulations, and air traffic control instruction used pursuant to and within the duly adopted federal air regulations; moreover, any aircraft operating under technical difficulties, in any kind of distress, under emergency orders of air traffic control or being operated pursuant to and subsequent to the declarati...
Industrial Noise
Industrial operations in Lowell must keep noise within Massachusetts DEP guidelines and the local ordinance, with stricter limits at residential property lines.
Lowell Industrial and Commercial Noise Limits
Some RestrictionsDecibel Limits
Lowell Code Section 204-3 sets a full district-by-time dBA table (residential 40-50 dB(A), industrial up to 70 dB(A) daytime), measured at the property boundary. Section 204-3F establishes 'zones of quiet' within 300 feet of every hospital, school or church, plus temporary illness quiet zones, where loud or unusual noise from vehicles is barred.
District dBA Table and Zones of Quiet Near Schools/Hospitals
Heavy RestrictionsCode of the City of Lowell, MA, Chapter 204 (Noise), Section 204-3F (Zones of quiet) and Section 204-3 (Sound-level limits)
All of the territory within 300 feet of the premises of each hospital, school, or church in this City is hereby created and established as a zone of quiet. The Commissioner of Public Works is hereby authorized to erect and maintain in a conspicuous manner within this area such signs bearing the words 'Quiet Zone' and other markings as are necessary to designate it as a zone of quiet. ... No per...
Outdoor Music
Outdoor music at restaurants, breweries, and event venues in Lowell requires an entertainment license and must end by 10 p.m. in residential zones.
Lowell Outdoor Music and Event Sound Rules
Some RestrictionsVehicle Noise
Lowell Code Section 204-4C(1)-(4) declares unlawful any unnecessary motor noise (backfiring, racing, tire-screeching), improper horn/signaling-device use, discharge of engine exhaust except through an effective muffler, and operating a vehicle with the muffler cut out or removed. State law MGL c. 90, Section 16 separately requires an adequate muffler statewide.
Motor, Exhaust, Horn and Muffler Noise Prohibited
Some RestrictionsCode of the City of Lowell, MA, Chapter 204 (Noise), Section 204-4C(1) (Motor noises) and 204-4C(3) (Exhausts)
Exhausts. The discharge into the open air of the exhaust of any steam engine, stationary internal combustion engine, motor boat, or motor vehicle except through a muffler or other device which will effectively prevent loud or explosive noises therefrom. No person while on a public or private highway, street or road shall operate a motor vehicle with the muffler cut out or removed. ... Motor noi...
Looking for Middlesex County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Lowell city rules.
Noise Ordinances in Middlesex County →