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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 Restrictions

Bethel does not print a flat curfew. Chapter 108 defines nighttime hours as 8:00 p.m. to 7:00 a.m. Sunday evening…

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Bridgeport

Some Restrictions

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…

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Bristol

Some Restrictions

In 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…

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Danbury

Some Restrictions

Danbury has no stand-alone curfew. Its noise section, Sec. 28-53, defines nighttime hours as 8:00 p.m. to 8:00 a.m…

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Greenwich

Some Restrictions

Greenwich defines nighttime as 10:01 p.m. to 6:59 a.m. and, within a slightly wider curfew, bars running power saws…

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Hamden

Some Restrictions

In 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…

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Hartford

Some Restrictions

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

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Meriden

Some Restrictions

Meriden Code § 141-6.B(6) bars yelling, shouting, hooting, whistling or singing on a public street, naming the hours…

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New Britain

Some Restrictions

New 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…

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New Haven

Some Restrictions

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

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Norwalk

Some Restrictions

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

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Ridgefield

Some Restrictions

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…

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Stamford

Some Restrictions

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

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Stratford

Some Restrictions

Stratford Code § 142-3 defines nighttime hours as 8:00 p.m. to 8:00 a.m. Sunday evening through Saturday morning, and…

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Waterbury

Some Restrictions

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…

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West Haven

Some Restrictions

The City of West Haven, Connecticut sets its quiet hours through decibel caps, not a single curfew clock. A residential…

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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 Restrictions

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

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Bridgeport

Some Restrictions

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…

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Bristol

Some Restrictions

In the City of Bristol, Connecticut, Sec. 15-19(b) exempts construction-equipment noise from the city's decibel…

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Danbury

Some Restrictions

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

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Fairfield

Some Restrictions

In 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…

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Greenwich

Some Restrictions

Construction, drilling and demolition work that exceeds Greenwich's noise limits is barred on weekdays from 6:00 p.m…

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Hartford

Some Restrictions

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

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Manchester

Some Restrictions

In the Town of Manchester, construction noise is exempt from the noise ordinance only during daytime hours: 7 a.m. to…

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Meriden

Some Restrictions

Meriden Code § 141-6.B(3) confines building erection, demolition, alteration, repair and street or highway excavation…

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New Britain

Some Restrictions

New Britain exempts construction equipment noise from Article V's citywide noise standards only when the work happens…

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New Haven

Some Restrictions

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

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Norwalk

Some Restrictions

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

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Ridgefield

Some Restrictions

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

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Stamford

Some Restrictions

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

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Stratford

Some Restrictions

Stratford Code § 142-6(B)(7) bars erecting, excavating, demolishing, altering or repairing a building, and excavating…

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Waterbury

Some Restrictions

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

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West Hartford

Some Restrictions

West Hartford exempts construction noise from its general noise limits only between 7:00 a.m. and one hour after…

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West Haven

Some Restrictions

In the City of West Haven, Connecticut, construction noise is exempt from the Chapter 154 decibel limits only during…

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Hamden

Light Restrictions

Hamden's noise chapter exempts construction noise from Chapter 101 only when the work happens during 'daytime hours'…

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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 Restrictions

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

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Bridgeport

Some Restrictions

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

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Hartford

Some Restrictions

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

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Meriden

Some Restrictions

Meriden's animal ordinance treats a dog whose howling, barking or whining repeatedly annoys or disturbs neighbors as a…

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New Haven

Some Restrictions

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

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Norwalk

Some Restrictions

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

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Ridgefield

Some Restrictions

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

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Stamford

Some Restrictions

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

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Waterbury

Some Restrictions

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

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Stratford

Light Restrictions

Stratford Code § 142-6(B)(4) makes it unlawful in the Town of Stratford, Connecticut to keep any animal or bird that…

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West Haven

Light Restrictions

In the City of West Haven, Connecticut, no person can own or harbor a dog that is a nuisance through vicious…

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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 Restrictions

Leaf 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…

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Norwalk

Significant Restrictions

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

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Stamford

Significant Restrictions

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

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Bristol

Some Restrictions

In the City of Bristol, Connecticut, Sec. 15-17 defines "property maintenance equipment" to include leaf blowers along…

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Danbury

Light Restrictions

Danbury has no leaf blower ordinance and does not name leaf blowers anywhere in its Code. Engine-powered or…

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Hartford

Light Restrictions

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

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New Haven

Light Restrictions

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

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Ridgefield

Light Restrictions

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

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Stratford

Light Restrictions

The Town of Stratford, Connecticut, names no leaf blower rule. Its Noise Control Ordinance exempts domestic power…

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West Haven

Light Restrictions

The City of West Haven, Connecticut does not name leaf blowers, but § 154-5E(3) exempts noise from engine-powered or…

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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 Restrictions

New Britain bans sound trucks and loudspeakers outright on any public street, and bars radios, phonographs, musical…

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Stamford

Significant Restrictions

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

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Bridgeport

Some Restrictions

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

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Bristol

Some Restrictions

In the City of Bristol, Connecticut, Sec. 15-21(d)(2) bars sound amplifying devices on or within a motor vehicle from…

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Danbury

Some Restrictions

Danbury's noise section prohibits personal or commercial music amplification equipment, and separately portable…

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Fairfield

Some Restrictions

In the Town of Fairfield, amplified sound equipment, defined in Code § 78-2 to include loudspeakers, radios and PA…

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Hartford

Some Restrictions

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

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Meriden

Some Restrictions

Meriden Code § 141-6.B(5) bars playing a radio, portable radio, CD player, phonograph or musical instrument at a volume…

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New Haven

Some Restrictions

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

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Norwalk

Some Restrictions

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

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Ridgefield

Some Restrictions

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

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Stratford

Some Restrictions

In the Town of Stratford, Connecticut, playing a radio, phonograph or musical instrument at a volume that annoys or…

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Waterbury

Some Restrictions

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

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West Hartford

Some Restrictions

Any business in West Hartford offering live or recorded amplified music or dancing needs an entertainment license, and…

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West Haven

Some Restrictions

In the City of West Haven, Connecticut, sound-amplifying devices on or within motor vehicles cannot emit noise above…

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Aircraft Noise

Local regulations related to noise from airports, flight paths, and helicopter operations near residential areas.

Connecticut: statewide

StatewideFew Restrictions

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

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Fairfield

Heavy Restrictions

In the Town of Fairfield, taking off or landing any aircraft is banned outright except in emergencies, by government…

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New Haven

Some Restrictions

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

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Stratford

Light Restrictions

In the Town of Stratford, Connecticut, aircraft sit outside the decibel limits in Chapter 142. Section 142-5 excludes…

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Meriden

Few Restrictions

Meriden's own noise ordinance carves out aircraft entirely: § 141-8.A(4) states the chapter does not apply to noise…

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New Britain

Few Restrictions

New Britain's noise ordinance carves aircraft flight operations out of its own decibel limits entirely, stating in Sec…

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Norwalk

Few Restrictions

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

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Stamford

Few Restrictions

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

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Waterbury

Few Restrictions

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

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West Hartford

Few Restrictions

West Hartford's noise ordinance does not reach aircraft: Town Code § 123-2Q lists 'noise created by aircraft' as one of…

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West Haven

Few Restrictions

The City of West Haven, Connecticut exempts from its Chapter 154 noise limits any noise created by aircraft flight…

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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 Restrictions

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

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Bethel

Some Restrictions

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

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Bridgeport

Some Restrictions

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

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Bristol

Some Restrictions

Bristol's noise ordinance caps sound at the receiving property based on the zoning of both the source and the receptor…

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Danbury

Some Restrictions

Danbury sets metered noise limits in dBA by the zone class of the emitter and of the receiving property. An industrial…

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Fairfield

Some Restrictions

In the Town of Fairfield, Code § 78-5 sets numeric decibel limits by zone and time: 45 dBA at night and 55 dBA by day…

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Greenwich

Some Restrictions

Greenwich caps outdoor noise at fixed decibel levels measured beyond the property line, with separate ceilings for…

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Hamden

Some Restrictions

Hamden's Chapter 101 sets numeric dBA ceilings that vary by noise district and by time of day. A residential emitter is…

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Hartford

Some Restrictions

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

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Manchester

Some Restrictions

In the Town of Manchester, Chapter 223 sets a numeric decibel table by zone: industrial premises may emit up to 70 dBA…

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Meriden

Some Restrictions

Meriden Code § 141-5 sets numeric decibel ceilings tied to the zone that emits sound and the zone that receives it. An…

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New Britain

Some Restrictions

New Britain's noise ordinance sets a decibel table at Sec. 16-105 by emitter class and receptor zone, from 70 dBA…

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New Haven

Some Restrictions

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

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Norwalk

Some Restrictions

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

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Ridgefield

Some Restrictions

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

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Stamford

Some Restrictions

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

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Stratford

Some Restrictions

The Town of Stratford, Connecticut, sets numeric noise limits in Section 142-5 by emitter zone and receptor zone…

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Waterbury

Some Restrictions

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

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West Hartford

Some Restrictions

West Hartford sets numeric noise ceilings by noise district and time of day: impulse noise tops out at 80 dB at night…

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West Haven

Some Restrictions

The West Haven Noise Control Ordinance sets dBA limits by the emitter's zone and the neighbor's zone. A residential…

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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 Restrictions

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

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Bethel

Some Restrictions

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

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Bridgeport

Some Restrictions

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

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Bristol

Some Restrictions

Bristol requires every motor vehicle operated in the city to meet the Connecticut DMV's maximum permissible vehicle…

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Danbury

Some Restrictions

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

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Fairfield

Some Restrictions

In the Town of Fairfield, motor vehicle noise follows the Connecticut DMV's own maximum permissible noise regulations…

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Hamden

Some Restrictions

Hamden ties motor vehicle noise directly to the state's decibel standards: Section 101.03(D) applies the Connecticut…

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Hartford

Some Restrictions

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

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Manchester

Some Restrictions

In the Town of Manchester, motor vehicles must meet the state DMV's noise and decibel regulations under C.G.S. Section…

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Meriden

Some Restrictions

Meriden Code § 141-7 subjects every motor vehicle operated in the city to the noise standards set by Connecticut…

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New Britain

Some Restrictions

New Britain bars motor vehicles and unregistered recreational vehicles from exceeding the noise limits in Sec. 16-105…

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New Haven

Some Restrictions

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

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Norwalk

Some Restrictions

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

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Ridgefield

Some Restrictions

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

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Stratford

Some Restrictions

In the Town of Stratford, Connecticut, every motor vehicle is held to the state decibel standards adopted through…

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Waterbury

Some Restrictions

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

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West Hartford

Some Restrictions

In the Town of West Hartford, motor vehicles are held to Connecticut's own decibel limits under C.G.S. § 14-80a, and…

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West Haven

Some Restrictions

Vehicle noise in the City of West Haven, Connecticut falls under Chapter 154, the West Haven Noise Control Ordinance…

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