Noise Ordinances in Idaho (2026)
44 rules on the books across Idaho, 9 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.
Ada County
Some RestrictionsIn unincorporated Ada County, loud or offensive noise is prohibited between 10:00 PM and 7:00 AM. Noise is 'loud or…
Read full rule →Caldwell
Some RestrictionsCaldwell bans loud or offensive noise between 11 p.m. and 7 a.m. citywide under City Code section 07-13-03, covering…
Read full rule →Canyon County
Some RestrictionsCanyon County parks run on defined quiet hours. County Code Section 04-01-03 sets quiet hours from 10:00 p.m. to 7:00…
Read full rule →Idaho Falls
Some RestrictionsIdaho Falls, Bonneville County, bars plainly audible music and sound - live bands, radios, parked-vehicle stereos…
Read full rule →Kootenai County
Some RestrictionsUnincorporated Kootenai County has no separate municipal noise curfew; nighttime disturbances are prosecuted under…
Read full rule →Meridian
Some RestrictionsMeridian bans noise audible 50 feet from its source between 11:00 p.m. and 6:00 a.m., alongside a broader…
Read full rule →Nampa
Some RestrictionsNampa bans loud or offensive noise plainly audible in a neighboring residence, business, or public right-of-way between…
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.
Ada County
Some RestrictionsAda County has no separate construction-hours ordinance; construction noise falls under the general 10:00 PM to 7:00 AM…
Read full rule →Idaho Falls
Some RestrictionsIdaho Falls, Bonneville County, bans plainly audible residential-zone construction noise from midnight to 5:30 a.m…
Read full rule →Nampa
Some RestrictionsNampa bars all loud noise, including construction, between 11 p.m. and 7 a.m.; contractors may only work those 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.
Ada County
Some RestrictionsAda County makes habitual barking a criminal public nuisance under Code section 5-7-14. A dog crossing the…
Read full rule →Boise
Some RestrictionsBoise treats an animal's excessive barking, baying, crying or howling as a public nuisance under Boise City Code…
Read full rule →Bonneville County
Some RestrictionsBonneville County's animal control ordinance treats chronic dog noise as its own enforceable violation. Section 92.99…
Read full rule →Caldwell
Some RestrictionsCaldwell makes it unlawful for a dog owner to let their animal disturb a neighborhood's peace and quiet through…
Read full rule →Canyon County
Some RestrictionsIn unincorporated Canyon County, Idaho, dog owners must exercise reasonably necessary care and control of their canines…
Read full rule →Kootenai County
Some RestrictionsA dog that barks, howls, or makes repetitive noise for fifteen minutes straight in daytime, or ten minutes at night…
Read full rule →Meridian
Some RestrictionsMeridian bans excessive, continuous, or untimely dog barking, treating it as an infraction with a flat $100 fine per…
Read full rule →Nampa
Some RestrictionsNampa makes it an infraction for an owner to let a dog or other animal become a noise nuisance, defined as barking or…
Read full rule →Idaho Falls
Light RestrictionsIdaho Falls bars keeping a dog whose loud, prolonged barking or howling disturbs the peace of the neighborhood or of…
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.
Ada County
Some RestrictionsThe Ada County Noise Ordinance, Code 5-13-3(A), bans loud or unusual noise from voices, musical instruments, horns…
Read full rule →Boise
Some RestrictionsBoise bans running a radio, stereo, PA system, or other amplified sound device if it's plainly audible inside another…
Read full rule →Canyon County
Some RestrictionsCanyon County restricts amplified sound in its parks around the clock. County Code Section 04-01-11(3)(B) bans…
Read full rule →Idaho Falls
Some RestrictionsIdaho Falls, Bonneville County, bans loud or amplified sound, including recorded music, that's plainly audible fifty…
Read full rule →Meridian
Some RestrictionsMeridian bans noise that unreasonably disturbs neighbors at any hour, and specifically outlaws sound audible 50 feet…
Read full rule →Nampa
Some RestrictionsNampa bans operating any loud amplification device, including musical instruments, PA systems, and speakers, so sound…
Read full rule →Aircraft Noise
Local regulations related to noise from airports, flight paths, and helicopter operations near residential areas.
Kootenai County
Significant RestrictionsLand within the 65 DNL noise contour around Coeur d'Alene Airport sits in the county's airport overlay zone noise…
Read full rule →Ada County
Some RestrictionsAircraft and other FAA-regulated planes are expressly exempted from Ada County's general noise ordinance, so residents…
Read full rule →Caldwell
Some RestrictionsCaldwell's APO-2 Airport Noise Abatement Overlay Zone requires new residential construction near the airport to cut…
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.
Ada County
Some RestrictionsAda County does not set a decibel number for everyday noise complaints. Under Code 5-13-3(A), a sound source violates…
Read full rule →Boise
Some RestrictionsBoise requires industrial operations in its I-1 Light Industrial zoning district to reasonably mitigate noise…
Read full rule →Bonneville County
Some RestrictionsIn Bonneville County's Limited Neighborhood Commercial (LNC) Zone, unincorporated area businesses cannot generate noise…
Read full rule →Canyon County
Some RestrictionsThe only numeric noise standard in the Canyon County, Idaho zoning ordinance caps a small wind energy system at 55…
Read full rule →Idaho Falls
Some RestrictionsIdaho Falls, Bonneville County, bans plainly audible manufacturing noise from midnight to 5:30 a.m., except in zones…
Read full rule →Kootenai County
Some RestrictionsKootenai County's clearest numeric decibel limits apply to boats: Idaho Code 67-7038 caps motorboat noise at 88 dBA…
Read full rule →Meridian
Some RestrictionsMeridian requires light and heavy industrial uses to mitigate noise, odor, vibration, and glare through setbacks…
Read full rule →Nampa
Some RestrictionsNampa ties industrial and commercial noise to its citywide anti-noise ordinance: noise from industrial or commercial…
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.
Nampa
Heavy RestrictionsNampa outright bans air compression (jake) brakes on motor vehicles within city limits, allowing their use only in a…
Read full rule →Bonneville County
Significant RestrictionsBonneville County bans compression brakes, engine brakes and Jake Brakes on any motor vehicle within one mile of Idaho…
Read full rule →Caldwell
Significant RestrictionsCaldwell bans engine-brake noise from trucks citywide. City Code section 07-13-04(2) prohibits the use of air…
Read full rule →Ada County
Some RestrictionsAda County adopts Idaho's vehicle noise law wholesale for the unincorporated area under Code section 6-1-1, so Idaho…
Read full rule →Boise
Some RestrictionsBoise requires every vehicle to run a working muffler, bans muffler cutouts and jake brakes citywide, and separately…
Read full rule →Canyon County
Some RestrictionsCanyon County bars poorly muffled vehicles from its parks at any hour. County Code Section 04-01-11(3)(B) prohibits…
Read full rule →Idaho Falls
Some RestrictionsIdaho Falls bans glass-packed mufflers, loud tailpipes, and other sound-emitting vehicle modifications that are plainly…
Read full rule →Kootenai County
Some RestrictionsKootenai County directly regulates watercraft noise: county code 6.2.105 requires every motorboat on county waters to…
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