Noise Ordinances in Nampa, ID (2026)
6 verified noise ordinances for Nampa, Idaho, sourced directly from the municipal code and official government pages.
Verified from official government sources
Quiet Hours
Nampa bans loud or offensive noise plainly audible in a neighboring residence, business, or public right-of-way between 11:00 p.m. and 7:00 a.m. under the city's public noise disturbance ordinance.
Nampa Quiet Hours: 11 PM to 7 AM
Some RestrictionsNampa City Code § 6-7-3
Between the hours of 11:00 p.m. one day and 7:00 a.m. the next day, it shall be unlawful for any person, or business to make, cause, or allow loud or offensive noise by means of voice, musical instrument, horn, radio, loudspeaker, automobile, machinery, other sound amplifying equipment, or any other means which disturbs the peace, quiet, and comfort of any reasonable person of normal sensitiven...
Construction Hours
Nampa bars all loud noise, including construction, between 11 p.m. and 7 a.m.; contractors may only work those hours with a special permit from the building department or city engineer.
Nampa Construction Noise Hours
Some RestrictionsNampa City Code §§ 6-7-3, 6-7-5.I
Between the hours of 11:00 p.m. one day and 7:00 a.m. the next day, it shall be unlawful for any person, or business to make, cause, or allow loud or offensive noise... Sounds caused by construction during the period prohibited by section 6-7-3 of this chapter pursuant to a special permit approved by the building department or the city engineer.
Barking Dogs
Nampa makes it an infraction for an owner to let a dog or other animal become a noise nuisance, defined as barking or crying plainly audible 100 feet from the source.
Nampa Barking Dog Noise Nuisance Rule
Some RestrictionsNampa City Code § 6-2-24
An animal that barks, bays, cries, howls, or emits any excessive animal noise which disturbs the peace, quiet, and comfort of any reasonable person of normal sensitiveness residing in the area. Excessive animal noise is that which is plainly audible within any place of residence, business, structure, building, hospital, farm property with animals, or restaurant other than the source of the soun...
Amplified Music & Outdoor Sound
Nampa bans operating any loud amplification device, including musical instruments, PA systems, and speakers, so sound is plainly audible 50 feet or more from the source, citywide, at any hour of day or night.
Nampa Outdoor Amplified Music Limit
Some RestrictionsNampa City Code § 6-7-4
It shall be unlawful for any person to operate or permit the operation of any loud amplification device in such a manner that the sound therefrom is plainly audible at a distance of 50 feet or more from the source of the sound.
Decibel Limits
Nampa ties industrial and commercial noise to its citywide anti-noise ordinance: noise from industrial or commercial land abutting residential property can't be plainly audible in a home between 11 p.m. and 7 a.m.
Nampa Industrial Noise Near Homes
Some RestrictionsNampa City Code § 10-1-9.A
Noise. Noise emanating from a commercially or industrially zoned property, which lies abutting or adjacent to residentially zoned and used property, is subject to anti-noise regulations listed in section 6-7-3 of this Code. Exception: Noise caused by construction between 11:00 p.m. and 7:00 a.m. shall be exempt from such regulations if the owner or contractor holds a special waiver permit issue...
Vehicle Noise
Nampa outright bans air compression (jake) brakes on motor vehicles within city limits, allowing their use only in a genuine emergency to avoid an accident or injury, with a carve-out for fire trucks.
Nampa Bans Jake Brake Noise Citywide
Heavy RestrictionsNampa City Code § 7-1-10
A. Prohibited. The use of air compression brakes (also known as "jake brakes") by motor vehicles within the city limits of the City of Nampa is hereby prohibited and shall be unlawful except under emergency circumstances where the use of air compression brakes is necessary to prevent an accident or injury to persons or property. ... C. Penalty. Any person who violates any provision of this sect...
Looking for Canyon County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Nampa city rules.
Noise Ordinances in Canyon County →