Noise Ordinances in Connecticut (2026)

Bethel Code Chapter 108 sets nighttime as 8:00 p.m. to 7:00 a.m. In a Class A (residential) zone, emitted noise may not…

Bridgeport bans loud building work and cuts allowed noise levels between 6 p.m. and 7 a.m. on weekdays (6 p.m.–9 a.m…

Danbury Code §12-14 sets nighttime hours as 8:00 p.m. to 8:00 a.m. (to 10:00 a.m. Sundays/holidays). In a Class A…

Hartford caps residential nighttime noise at 45 dBA measured at the property line, a full 10 dBA lower than the 55 dBA…

New Haven caps noise reaching a residential lot at 45 dBA at night versus 55 dBA by day, with nighttime running from 10…

Norwalk bars residents from running power tools, home maintenance tools, or yard equipment between 8:00 p.m. and 8:00…

Ridgefield's Noise Control Ordinance (Chapter 250 / §7-19) defines daytime as 7:00 a.m.–8:59 p.m. and nighttime as 9:00…

Stamford's noise code tightens at night: a residential-zone source can't push more than 45 dBA onto a residential…

Waterbury treats 10:00 p.m. to 7:00 a.m. on weeknights, and 10:00 p.m. Saturday to 9:00 a.m. Sunday, as night-time…

Bethel Code §108-4(A) prohibits commercial construction, demolition and building operations before 7:00 a.m. Mon–Fri…

Bridgeport bars building operations and street excavation between 6 p.m. and 7 a.m. on weekdays and 6 p.m. to 9 a.m. on…

Danbury bars commercial construction, demolition, excavation and commercial truck activity outside set hours: no…

Construction equipment noise is exempt from Hartford's noise limits only between 7:00 a.m. and 6:00 p.m. on weekdays…

New Haven exempts construction equipment noise from its decibel limits only between 7:00 a.m. and 10:00 p.m. Monday…

Norwalk limits construction and demolition work in residential and noise-sensitive zones to weekdays, 8:00 a.m. to 5:00…

Ridgefield exempts construction equipment noise from its Chapter 250 noise limits only between 7:00 a.m. and 6:00 p.m…

General construction noise in Stamford can't happen before 8:00 a.m. Monday through Saturday or before 10:00 a.m…

Waterbury bars construction, demolition and street excavation noise between 6:00 p.m. and 7:00 a.m. on weekdays and…

Connecticut General Statutes Section 22-363 prohibits owning or harboring a dog that creates a nuisance through…

Bridgeport's noise ordinance bans keeping any animal or bird whose frequent or long-continued barking disturbs the…

Hartford treats a barking or property-damaging animal as a police matter, not a code-enforcement one. Under Sec. 6-3 of…

New Haven treats animals that disturb neighbors' peace and quiet, including through nuisance behavior, as a public…

Norwalk's noisy-animal ordinance makes it unlawful for anyone in charge of a house, stable, or other premises to keep a…

Ridgefield treats a barking dog or noisy bird as ordinary noise pollution under its Noise Ordinance, not a separate…

Stamford's pet-owner ordinance forbids keeping any animal that creates excessive noise or disturbance annoying…

Waterbury bans keeping any dog, other animal, bird, or poultry on a property that disturbs, by its noise, the quiet or…

Norwalk bars gas-powered leaf blowers citywide starting January 1, 2027 (small lots) and 2028 (larger lots), and until…

Stamford adopted a phased citywide ban on gas-powered leaf blowers in November 2025: once the multi-year compliance…

Danbury exempts engine-powered lawn care equipment like leaf blowers and mowers from its noise limits only between 7:00…

Domestic power equipment, including leaf blowers, power saws, sanders, grinders, and other lawn and garden tools, is…

New Haven only exempts domestic power equipment, including leaf blowers, mowers, power saws and similar yard tools…

Ridgefield does not ban gas leaf blowers, but it only exempts lawn-care equipment noise, including leaf blowers by…

Danbury bans amplified music or sound equipment audible fifty feet from the operator, whether on private property or in…

Stamford bars recorded music in a sidewalk cafe or Streatery after 8 p.m. or before 10 a.m., and bans live…

Exterior dining, live entertainment, and amplified speakers at Bridgeport bars and restaurants must quiet down by 8…

Hartford caps any noise crossing a property line, including amplified music and sound equipment, at fixed decibel…

New Haven's RS-3 zoning district lets event facilities in Historic Residential Structures host outdoor events until 11…

Norwalk bans operating a loudspeaker, sound-reproduction system, radio, television, or phonograph in a way that creates…

Ridgefield does not license outdoor concerts or DJs separately; its only amplified-sound rule targets vehicles. Town…

Waterbury bars playing a radio, speaker, phonograph or any other sound amplification device, whether fixed or inside a…

Aircraft noise regulation in Connecticut is preempted by the federal Airport Noise and Capacity Act and FAA authority…

New Haven caps aircraft takeoff noise at Tweed-New Haven Airport by time of day: 68.0 dB(A) overnight, rising to 78.0…

Norwalk's noise code exempts aircraft flight operations from its sound-level limits entirely, recognizing that the…

Stamford's noise ordinance exempts aircraft flight operations, including helicopters, from its local decibel limits…

Waterbury's noise ordinance carves aircraft flight operations out of its decibel and nuisance rules entirely. Code of…

Connecticut Chapter 442 and DEEP Regulations Section 22a-69 establish statewide decibel limits for industrial…

Bethel caps how much noise can cross into a neighboring zone with fixed dBA limits that fall as low as 45 dBA at night…

Bridgeport caps industrial noise at 70 dBA into industrial zones, 66 dBA into commercial zones, and 61/51 dBA into…

Danbury caps residential noise at 55 dBA during the day and 45 dBA at night under its Class A zone standard, with…

Hartford caps noise at the property line by zone and time of day: a residential-zone source is limited to 55 dBA…

New Haven caps outdoor sound by the emitter's zoning district under Code of Ordinances Sec. 18-75: a residential source…

Norwalk caps outdoor sound at 55 dBA in residential areas by day and 45 dBA at night, rising to 63 dBA for commercial…

Ridgefield caps outdoor noise at 55 dBA daytime and 45 dBA nighttime for anyone emitting sound onto a residential…

Stamford's Noise Control Ordinance sets hard dBA ceilings by zone and time of day: as low as 45 dBA from a residential…

Waterbury caps noise at the property line using a zone-based decibel table: a residential source may not exceed 55 dBA…

Stamford holds motor vehicles to state decibel standards and separately bans unreasonable noise from car speakers, with…

Bethel holds every motor vehicle operating in Town to Connecticut's own vehicle noise-equipment standards and…

Bridgeport ties vehicle noise to Connecticut's state decibel standards, bars car stereos and sound systems from…

Danbury bans horn use except to warn of an accident and requires motorcycles to run mufflers quiet enough that exhaust…

Hartford holds motor and recreational vehicles to Connecticut's statewide decibel standard and requires a Hartford…

New Haven bars motor vehicle noise, including amplified sound, that carries plainly audibly 100 feet from the vehicle…

Norwalk holds motor vehicles and recreational vehicles to the noise and decibel standards set in the state's motor…

Ridgefield does not write its own decibel table for cars and trucks. Town Code § 250-7(A) instead subjects every motor…

Waterbury folds car stereos, exhaust and engine noise into its Noise Ordinance. City Code § 97.06 subjects every motor…