Noise Ordinances in Connecticut (2026)
120 rules on the books across Connecticut, 19 cities and counties. Select a rule to read the full details.
Severity: Few Restrictions · Light Restrictions · Some Restrictions · Significant Restrictions · Heavy Restrictions
Quiet Hours
Nighttime and early morning noise restrictions. Most cities set specific hours when loud activities like lawn mowing, parties, and power tools are not allowed.
Bethel
Some RestrictionsBethel does not print a flat curfew. Chapter 108 defines nighttime hours as 8:00 p.m. to 7:00 a.m. Sunday evening…
Read full rule →Bridgeport
Some RestrictionsBridgeport 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…
Read full rule →Bristol
Some RestrictionsIn the City of Bristol, Connecticut, Sec. 15-17 sets day-time hours at 7:00 a.m. to 10:00 p.m. (9:00 a.m. Sundays) and…
Read full rule →Danbury
Some RestrictionsDanbury has no stand-alone curfew. Its noise section, Sec. 28-53, defines nighttime hours as 8:00 p.m. to 8:00 a.m…
Read full rule →Greenwich
Some RestrictionsGreenwich defines nighttime as 10:01 p.m. to 6:59 a.m. and, within a slightly wider curfew, bars running power saws…
Read full rule →Hamden
Some RestrictionsIn the Town of Hamden, nighttime hours run from 9:00 p.m. to 7:00 a.m. on weekdays and Saturday, and from 9:00 p.m. to…
Read full rule →Hartford
Some RestrictionsHartford caps residential nighttime noise at 45 dBA measured at the property line, a full 10 dBA lower than the 55 dBA…
Read full rule →Meriden
Some RestrictionsMeriden Code § 141-6.B(6) bars yelling, shouting, hooting, whistling or singing on a public street, naming the hours…
Read full rule →New Britain
Some RestrictionsNew Britain defines nighttime hours as 9:00 p.m. to 7:00 a.m. (9:00 p.m. to 9:00 a.m. into Sunday) and cuts allowable…
Read full rule →New Haven
Some RestrictionsNew Haven caps noise reaching a residential lot at 45 dBA at night versus 55 dBA by day, with nighttime running from 10…
Read full rule →Norwalk
Some RestrictionsNorwalk bars residents from running power tools, home maintenance tools, or yard equipment between 8:00 p.m. and 8:00…
Read full rule →Ridgefield
Some RestrictionsRidgefield's Noise Control Ordinance (Chapter 250 / §7-19) defines daytime as 7:00 a.m.–8:59 p.m. and nighttime as 9:00…
Read full rule →Stamford
Some RestrictionsStamford's noise code tightens at night: a residential-zone source can't push more than 45 dBA onto a residential…
Read full rule →Stratford
Some RestrictionsStratford Code § 142-3 defines nighttime hours as 8:00 p.m. to 8:00 a.m. Sunday evening through Saturday morning, and…
Read full rule →Waterbury
Some RestrictionsWaterbury 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…
Read full rule →West Haven
Some RestrictionsThe City of West Haven, Connecticut sets its quiet hours through decibel caps, not a single curfew clock. A residential…
Read full rule →Construction Hours
When construction, demolition, and heavy equipment may run in residential areas. Most cities regulate this by hours and days rather than volume; violations can bring stop-work orders and fines.
Bethel
Some RestrictionsBethel Code §108-4(A) prohibits commercial construction, demolition and building operations before 7:00 a.m. Mon–Fri…
Read full rule →Bridgeport
Some RestrictionsBridgeport 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…
Read full rule →Bristol
Some RestrictionsIn the City of Bristol, Connecticut, Sec. 15-19(b) exempts construction-equipment noise from the city's decibel…
Read full rule →Danbury
Some RestrictionsDanbury bars commercial construction, demolition, excavation and commercial truck activity outside set hours: no…
Read full rule →Fairfield
Some RestrictionsIn the Town of Fairfield, construction, demolition and power tools may run 7:00 a.m. to 7:00 p.m. on weekdays and 9:00…
Read full rule →Greenwich
Some RestrictionsConstruction, drilling and demolition work that exceeds Greenwich's noise limits is barred on weekdays from 6:00 p.m…
Read full rule →Hartford
Some RestrictionsConstruction equipment noise is exempt from Hartford's noise limits only between 7:00 a.m. and 6:00 p.m. on weekdays…
Read full rule →Manchester
Some RestrictionsIn the Town of Manchester, construction noise is exempt from the noise ordinance only during daytime hours: 7 a.m. to…
Read full rule →Meriden
Some RestrictionsMeriden Code § 141-6.B(3) confines building erection, demolition, alteration, repair and street or highway excavation…
Read full rule →New Britain
Some RestrictionsNew Britain exempts construction equipment noise from Article V's citywide noise standards only when the work happens…
Read full rule →New Haven
Some RestrictionsNew Haven exempts construction equipment noise from its decibel limits only between 7:00 a.m. and 10:00 p.m. Monday…
Read full rule →Norwalk
Some RestrictionsNorwalk limits construction and demolition work in residential and noise-sensitive zones to weekdays, 8:00 a.m. to 5:00…
Read full rule →Ridgefield
Some RestrictionsRidgefield exempts construction equipment noise from its Chapter 250 noise limits only between 7:00 a.m. and 6:00 p.m…
Read full rule →Stamford
Some RestrictionsGeneral construction noise in Stamford can't happen before 8:00 a.m. Monday through Saturday or before 10:00 a.m…
Read full rule →Stratford
Some RestrictionsStratford Code § 142-6(B)(7) bars erecting, excavating, demolishing, altering or repairing a building, and excavating…
Read full rule →Waterbury
Some RestrictionsWaterbury bars construction, demolition and street excavation noise between 6:00 p.m. and 7:00 a.m. on weekdays and…
Read full rule →West Hartford
Some RestrictionsWest Hartford exempts construction noise from its general noise limits only between 7:00 a.m. and one hour after…
Read full rule →West Haven
Some RestrictionsIn the City of West Haven, Connecticut, construction noise is exempt from the Chapter 154 decibel limits only during…
Read full rule →Hamden
Light RestrictionsHamden's noise chapter exempts construction noise from Chapter 101 only when the work happens during 'daytime hours'…
Read full rule →Barking Dogs
Rules about excessive or continuous dog barking, including how complaints are filed, time-of-day limits, and penalties for owners.
Connecticut: statewide
StatewideSome RestrictionsConnecticut General Statutes Section 22-363 prohibits owning or harboring a dog that creates a nuisance through…
Read full rule →Bridgeport
Some RestrictionsBridgeport's noise ordinance bans keeping any animal or bird whose frequent or long-continued barking disturbs the…
Read full rule →Hartford
Some RestrictionsHartford treats a barking or property-damaging animal as a police matter, not a code-enforcement one. Under Sec. 6-3 of…
Read full rule →Meriden
Some RestrictionsMeriden's animal ordinance treats a dog whose howling, barking or whining repeatedly annoys or disturbs neighbors as a…
Read full rule →New Haven
Some RestrictionsNew Haven treats animals that disturb neighbors' peace and quiet, including through nuisance behavior, as a public…
Read full rule →Norwalk
Some RestrictionsNorwalk's noisy-animal ordinance makes it unlawful for anyone in charge of a house, stable, or other premises to keep a…
Read full rule →Ridgefield
Some RestrictionsRidgefield treats a barking dog or noisy bird as ordinary noise pollution under its Noise Ordinance, not a separate…
Read full rule →Stamford
Some RestrictionsStamford's pet-owner ordinance forbids keeping any animal that creates excessive noise or disturbance annoying…
Read full rule →Waterbury
Some RestrictionsWaterbury bans keeping any dog, other animal, bird, or poultry on a property that disturbs, by its noise, the quiet or…
Read full rule →Stratford
Light RestrictionsStratford Code § 142-6(B)(4) makes it unlawful in the Town of Stratford, Connecticut to keep any animal or bird that…
Read full rule →West Haven
Light RestrictionsIn the City of West Haven, Connecticut, no person can own or harbor a dog that is a nuisance through vicious…
Read full rule →Leaf Blower Rules
Restrictions on leaf blowers, including permitted hours, decibel caps, and the growing set of cities phasing out or banning gas-powered blowers outright.
Greenwich
Significant RestrictionsLeaf blowers in Greenwich cannot run before 8:00 a.m. or after 6:00 p.m. on weekdays, or outside 9:00 a.m. to 3:00 p.m…
Read full rule →Norwalk
Significant RestrictionsNorwalk bars gas-powered leaf blowers citywide starting January 1, 2027 (small lots) and 2028 (larger lots), and until…
Read full rule →Stamford
Significant RestrictionsStamford adopted a phased citywide ban on gas-powered leaf blowers in November 2025: once the multi-year compliance…
Read full rule →Bristol
Some RestrictionsIn the City of Bristol, Connecticut, Sec. 15-17 defines "property maintenance equipment" to include leaf blowers along…
Read full rule →Danbury
Light RestrictionsDanbury has no leaf blower ordinance and does not name leaf blowers anywhere in its Code. Engine-powered or…
Read full rule →Hartford
Light RestrictionsDomestic power equipment, including leaf blowers, power saws, sanders, grinders, and other lawn and garden tools, is…
Read full rule →New Haven
Light RestrictionsNew Haven only exempts domestic power equipment, including leaf blowers, mowers, power saws and similar yard tools…
Read full rule →Ridgefield
Light RestrictionsRidgefield does not ban gas leaf blowers, but it only exempts lawn-care equipment noise, including leaf blowers by…
Read full rule →Stratford
Light RestrictionsThe Town of Stratford, Connecticut, names no leaf blower rule. Its Noise Control Ordinance exempts domestic power…
Read full rule →West Haven
Light RestrictionsThe City of West Haven, Connecticut does not name leaf blowers, but § 154-5E(3) exempts noise from engine-powered or…
Read full rule →Amplified Music & Outdoor Sound
Rules for loudspeakers, live bands, DJ equipment, and outdoor music at homes, venues, and events, decibel limits, permitted hours, and when an amplified-sound permit is required.
New Britain
Heavy RestrictionsNew Britain bans sound trucks and loudspeakers outright on any public street, and bars radios, phonographs, musical…
Read full rule →Stamford
Significant RestrictionsStamford bars recorded music in a sidewalk cafe or Streatery after 8 p.m. or before 10 a.m., and bans live…
Read full rule →Bridgeport
Some RestrictionsExterior dining, live entertainment, and amplified speakers at Bridgeport bars and restaurants must quiet down by 8…
Read full rule →Bristol
Some RestrictionsIn the City of Bristol, Connecticut, Sec. 15-21(d)(2) bars sound amplifying devices on or within a motor vehicle from…
Read full rule →Danbury
Some RestrictionsDanbury's noise section prohibits personal or commercial music amplification equipment, and separately portable…
Read full rule →Fairfield
Some RestrictionsIn the Town of Fairfield, amplified sound equipment, defined in Code § 78-2 to include loudspeakers, radios and PA…
Read full rule →Hartford
Some RestrictionsHartford caps any noise crossing a property line, including amplified music and sound equipment, at fixed decibel…
Read full rule →Meriden
Some RestrictionsMeriden Code § 141-6.B(5) bars playing a radio, portable radio, CD player, phonograph or musical instrument at a volume…
Read full rule →New Haven
Some RestrictionsNew Haven's RS-3 zoning district lets event facilities in Historic Residential Structures host outdoor events until 11…
Read full rule →Norwalk
Some RestrictionsNorwalk bans operating a loudspeaker, sound-reproduction system, radio, television, or phonograph in a way that creates…
Read full rule →Ridgefield
Some RestrictionsRidgefield does not license outdoor concerts or DJs separately; its only amplified-sound rule targets vehicles. Town…
Read full rule →Stratford
Some RestrictionsIn the Town of Stratford, Connecticut, playing a radio, phonograph or musical instrument at a volume that annoys or…
Read full rule →Waterbury
Some RestrictionsWaterbury bars playing a radio, speaker, phonograph or any other sound amplification device, whether fixed or inside a…
Read full rule →West Hartford
Some RestrictionsAny business in West Hartford offering live or recorded amplified music or dancing needs an entertainment license, and…
Read full rule →West Haven
Some RestrictionsIn the City of West Haven, Connecticut, sound-amplifying devices on or within motor vehicles cannot emit noise above…
Read full rule →Aircraft Noise
Local regulations related to noise from airports, flight paths, and helicopter operations near residential areas.
Connecticut: statewide
StatewideFew RestrictionsAircraft noise regulation in Connecticut is preempted by the federal Airport Noise and Capacity Act and FAA authority…
Read full rule →Fairfield
Heavy RestrictionsIn the Town of Fairfield, taking off or landing any aircraft is banned outright except in emergencies, by government…
Read full rule →New Haven
Some RestrictionsNew Haven caps aircraft takeoff noise at Tweed-New Haven Airport by time of day: 68.0 dB(A) overnight, rising to 78.0…
Read full rule →Stratford
Light RestrictionsIn the Town of Stratford, Connecticut, aircraft sit outside the decibel limits in Chapter 142. Section 142-5 excludes…
Read full rule →Meriden
Few RestrictionsMeriden's own noise ordinance carves out aircraft entirely: § 141-8.A(4) states the chapter does not apply to noise…
Read full rule →New Britain
Few RestrictionsNew Britain's noise ordinance carves aircraft flight operations out of its own decibel limits entirely, stating in Sec…
Read full rule →Norwalk
Few RestrictionsNorwalk's noise code exempts aircraft flight operations from its sound-level limits entirely, recognizing that the…
Read full rule →Stamford
Few RestrictionsStamford's noise ordinance exempts aircraft flight operations, including helicopters, from its local decibel limits…
Read full rule →Waterbury
Few RestrictionsWaterbury's noise ordinance carves aircraft flight operations out of its decibel and nuisance rules entirely. Code of…
Read full rule →West Hartford
Few RestrictionsWest Hartford's noise ordinance does not reach aircraft: Town Code § 123-2Q lists 'noise created by aircraft' as one of…
Read full rule →West Haven
Few RestrictionsThe City of West Haven, Connecticut exempts from its Chapter 154 noise limits any noise created by aircraft flight…
Read full rule →Decibel Limits
The decibel thresholds cities enforce, usually as a table by zone and time of day, residential, commercial, and industrial limits, how noise is measured, and what happens at the property line.
Connecticut: statewide
StatewideSome RestrictionsConnecticut Chapter 442 and DEEP Regulations Section 22a-69 establish statewide decibel limits for industrial…
Read full rule →Bethel
Some RestrictionsBethel caps how much noise can cross into a neighboring zone with fixed dBA limits that fall as low as 45 dBA at night…
Read full rule →Bridgeport
Some RestrictionsBridgeport caps industrial noise at 70 dBA into industrial zones, 66 dBA into commercial zones, and 61/51 dBA into…
Read full rule →Bristol
Some RestrictionsBristol's noise ordinance caps sound at the receiving property based on the zoning of both the source and the receptor…
Read full rule →Danbury
Some RestrictionsDanbury sets metered noise limits in dBA by the zone class of the emitter and of the receiving property. An industrial…
Read full rule →Fairfield
Some RestrictionsIn the Town of Fairfield, Code § 78-5 sets numeric decibel limits by zone and time: 45 dBA at night and 55 dBA by day…
Read full rule →Greenwich
Some RestrictionsGreenwich caps outdoor noise at fixed decibel levels measured beyond the property line, with separate ceilings for…
Read full rule →Hamden
Some RestrictionsHamden's Chapter 101 sets numeric dBA ceilings that vary by noise district and by time of day. A residential emitter is…
Read full rule →Hartford
Some RestrictionsHartford caps noise at the property line by zone and time of day: a residential-zone source is limited to 55 dBA…
Read full rule →Manchester
Some RestrictionsIn the Town of Manchester, Chapter 223 sets a numeric decibel table by zone: industrial premises may emit up to 70 dBA…
Read full rule →Meriden
Some RestrictionsMeriden Code § 141-5 sets numeric decibel ceilings tied to the zone that emits sound and the zone that receives it. An…
Read full rule →New Britain
Some RestrictionsNew Britain's noise ordinance sets a decibel table at Sec. 16-105 by emitter class and receptor zone, from 70 dBA…
Read full rule →New Haven
Some RestrictionsNew Haven caps outdoor sound by the emitter's zoning district under Code of Ordinances Sec. 18-75: a residential source…
Read full rule →Norwalk
Some RestrictionsNorwalk caps outdoor sound at 55 dBA in residential areas by day and 45 dBA at night, rising to 63 dBA for commercial…
Read full rule →Ridgefield
Some RestrictionsRidgefield caps outdoor noise at 55 dBA daytime and 45 dBA nighttime for anyone emitting sound onto a residential…
Read full rule →Stamford
Some RestrictionsStamford's Noise Control Ordinance sets hard dBA ceilings by zone and time of day: as low as 45 dBA from a residential…
Read full rule →Stratford
Some RestrictionsThe Town of Stratford, Connecticut, sets numeric noise limits in Section 142-5 by emitter zone and receptor zone…
Read full rule →Waterbury
Some RestrictionsWaterbury caps noise at the property line using a zone-based decibel table: a residential source may not exceed 55 dBA…
Read full rule →West Hartford
Some RestrictionsWest Hartford sets numeric noise ceilings by noise district and time of day: impulse noise tops out at 80 dB at night…
Read full rule →West Haven
Some RestrictionsThe West Haven Noise Control Ordinance sets dBA limits by the emitter's zone and the neighbor's zone. A residential…
Read full rule →Vehicle Noise
Rules about loud vehicle exhaust, modified mufflers, racing engines, and stereos audible at distance. Covers what officers measure and typical fines.
Stamford
Significant RestrictionsStamford holds motor vehicles to state decibel standards and separately bans unreasonable noise from car speakers, with…
Read full rule →Bethel
Some RestrictionsBethel holds every motor vehicle operating in Town to Connecticut's own vehicle noise-equipment standards and…
Read full rule →Bridgeport
Some RestrictionsBridgeport ties vehicle noise to Connecticut's state decibel standards, bars car stereos and sound systems from…
Read full rule →Bristol
Some RestrictionsBristol requires every motor vehicle operated in the city to meet the Connecticut DMV's maximum permissible vehicle…
Read full rule →Danbury
Some RestrictionsDanbury bans horn use except to warn of an accident and requires motorcycles to run mufflers quiet enough that exhaust…
Read full rule →Fairfield
Some RestrictionsIn the Town of Fairfield, motor vehicle noise follows the Connecticut DMV's own maximum permissible noise regulations…
Read full rule →Hamden
Some RestrictionsHamden ties motor vehicle noise directly to the state's decibel standards: Section 101.03(D) applies the Connecticut…
Read full rule →Hartford
Some RestrictionsHartford holds motor and recreational vehicles to Connecticut's statewide decibel standard and requires a Hartford…
Read full rule →Manchester
Some RestrictionsIn the Town of Manchester, motor vehicles must meet the state DMV's noise and decibel regulations under C.G.S. Section…
Read full rule →Meriden
Some RestrictionsMeriden Code § 141-7 subjects every motor vehicle operated in the city to the noise standards set by Connecticut…
Read full rule →New Britain
Some RestrictionsNew Britain bars motor vehicles and unregistered recreational vehicles from exceeding the noise limits in Sec. 16-105…
Read full rule →New Haven
Some RestrictionsNew Haven bars motor vehicle noise, including amplified sound, that carries plainly audibly 100 feet from the vehicle…
Read full rule →Norwalk
Some RestrictionsNorwalk holds motor vehicles and recreational vehicles to the noise and decibel standards set in the state's motor…
Read full rule →Ridgefield
Some RestrictionsRidgefield does not write its own decibel table for cars and trucks. Town Code § 250-7(A) instead subjects every motor…
Read full rule →Stratford
Some RestrictionsIn the Town of Stratford, Connecticut, every motor vehicle is held to the state decibel standards adopted through…
Read full rule →Waterbury
Some RestrictionsWaterbury folds car stereos, exhaust and engine noise into its Noise Ordinance. City Code § 97.06 subjects every motor…
Read full rule →West Hartford
Some RestrictionsIn the Town of West Hartford, motor vehicles are held to Connecticut's own decibel limits under C.G.S. § 14-80a, and…
Read full rule →West Haven
Some RestrictionsVehicle noise in the City of West Haven, Connecticut falls under Chapter 154, the West Haven Noise Control Ordinance…
Read full rule →