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Noise Ordinances in Billings, MT (2026)

7 verified noise ordinances for Billings, Montana, sourced directly from the municipal code and official government pages.

Verified from official government sources

Quiet Hours

Billings drops its noise ceiling every night: residential sound must stay under 55 dB(A) max (45 dB(A) average) from 8:00 p.m. to 7:00 a.m., versus the 65/55 dB(A) daytime cap allowed 7:00 a.m.–8:00 p.m.

Billings Nighttime Noise Limits

Some Restrictions

Sec. 17-103

(a)The permissible noise exposure limits from non-exempt noise sources in residential, commercial and industrial districts are as provided in Table 1 below.(b)At boundaries between zones, the lower of the dB(A) level shall be applicable. Table 1—Limitations Maximum Permissible Noise Limits Zone Day 7:00 a.m.—8:00 p.m. Night 8:00 p.m.—7:00 a.m. Residential 65 dB(A) 55 dB(A) Commercial 8...

Construction Hours

Billings' noise code exempts home, building, and grounds-maintenance construction noise from citywide sound limits only between 7:00 a.m. and 8:00 p.m. Outside that window, the exemption disappears and construction noise can be cited as a public nuisance.

Billings Caps Construction Noise Hours

Some Restrictions

Sec. 17-105(5)

The following uses and activities shall be exempt from noise level regulations: (1)Noise from safety signals and warning devices;(2)Noises resulting from any authorized emergency vehicle when responding to an emergency call or acting in time of emergency;(3)Noise resulting from emergency work;(4)Noise resulting from the operating of motorized lawnmowers fitted with equipment-type mufflers be...

Barking Dogs

Billings makes it a civil offense to let a dog or other animal bark, howl, or whine persistently enough to unreasonably annoy neighbors, enforced only after a signed written complaint.

Billings Bars Persistent Barking

Some Restrictions

Sec. 4-404

Every person who keeps, feeds, harbors or allows to stay about any premises occupied or controlled by such person, any animal which unreasonably annoys or disturbs any person by persistent continuous and habitual barking, howling, yelping, whining or other noise is responsible for maintaining a public nuisance and shall be subject to civil penalties as specified in section 18-1304. This section...

Amplified Music & Outdoor Sound

Amplified outdoor events in Billings must shut down by 9 p.m. on weeknights outside downtown (11 p.m. downtown on weekends) unless the city grants a waiver, under Sec. 17-104 of the noise chapter.

Billings Outdoor Music Curfew Hours

Some Restrictions

Sec. 17-104

Unless granted a waiver from the times listed below pursuant to section 17-107, non-emergency outdoor events exempted from noise level regulations pursuant to section 17-105 shall conclude in accordance with the locations and times listed below: Central Business District (CBD) and East Billings Urban Renewal District (EBURD): Ten (10) O'clock p.m. Sunday Through Thursday. Eleven (11) O...

Aircraft Noise

Billings regulates development near Billings Logan International Airport through an aircraft noise overlay zone, requiring sound insulation for residential and other noise-sensitive uses exposed to Ldn 65 or higher aircraft noise.

Billings Airport Noise Overlay Rules

Some Restrictions

Sec. 5-409

It is generally recognized that residential and some other uses may be incompatible in areas that are exposed to aircraft noise levels of Ldn 65 or higher unless the structures are insulated with acoustical material for sound attenuation to lower the interior noise levels. The objective is to achieve an interior noise level of Ldn 45 in habitable spaces. Therefore, except as otherwise provided ...

Decibel Limits

Billings limits industrial-zone noise to 90 dB(A) maximum by day and 80 dB(A) at night, with lower 80/70 dB(A) average limits, enforced by trained city officials under Sec. 17-103.

Billings Caps Industrial Noise at 90 dB(A)

Some Restrictions

Sec. 17-103, Billings, MT Municipal Code

(a)The permissible noise exposure limits from non-exempt noise sources in residential, commercial and industrial districts are as provided in Table 1 below.(b)At boundaries between zones, the lower of the dB(A) level shall be applicable. Table 1—Limitations Maximum Permissible Noise Limits Zone Day 7:00 a.m.—8:00 p.m. Night 8:00 p.m.—7:00 a.m. Residential 65 dB(A) 55 dB(A) Commercial 8...

Vehicle Noise

Billings prohibits motor vehicles from making noise plainly audible 50 feet or more away, covering loud exhaust, engine revving, tire squealing, and amplified stereo bass: a citation carries a $300 fine.

Billings Bans Unreasonable Vehicle Noise

Some Restrictions

Sec. 24-355

(a)It is unlawful for any person to operate, or cause to be operated, a motor vehicle that produces unreasonable noise as defined in this chapter.(b)It is unlawful to operate a motor vehicle:(1)With a muffler, exhaust, or noise-suppression device that violates MCA 61-9-403, 61-9-418, or 61-9-435; or(2)With any device, modification, or equipment designed or used to increase noise output beyond t...

Looking for Yellowstone County county-wide rules?

County ordinances apply to unincorporated areas and may supplement Billings city rules.

Noise Ordinances in Yellowstone County