Missoula, MT
Noise Code
The official quiet hours, decibel limits, and enforcement protocols for Missoula, MT.
Ordinance Summary
Missoula, MT noise ordinances, codified in Chapter 9.30, prohibit excessive or unusually loud noise within city limits, measured 25 feet or more from the source. Quiet hours are generally 11 PM to 7 AM. Residential limits are 60 dB(A) during the day (7 AM-7 PM) and 55 dB(A) in the evening (7 PM-10 PM). Violations are misdemeanors, subject to fines.
Quiet Hours
11 PM to 7 AM
Police Non-Emergency
406-552-6300Decibel Limits
"Noise levels are measured 25 feet or more from the source or property line. Between 7 AM and 7 PM, noise levels may be increased by 10 dB(A) for up to 15 minutes in any one-hour period. When a noise source is in multiple zones, the most restrictive limits apply at the zone boundary."
Measure Noise Levels Instantly
Use our free browser-based decibel meter to check if your neighbors are violating the Missoula, MT code.
Specific Noise Restrictions
General noise prohibitions and decibel limits apply. The city's noise ordinance has been noted to potentially not align with typical construction noise levels.
Amplified sound generally requires a permit for use in select community parks (Bonner, Caras, Playfair, Ft. Missoula, McCormick, Silver, Bess Reed, Rose Memorial) and is generally not permitted in neighborhood parks. A permit from the chief of police is also required for sound-producing devices on public highways.
Missoula City-County Animal Control addresses issues with domestic animals.
Jake brakes are prohibited. Operating any vehicle, machine, or device in a manner that violates Chapter 9.30 is unlawful.
Frequently Asked Questions
Quiet Hours?
11 PM to 7 AM.
Construction?
Usually limited to daytime hours (e.g. 7am-6pm). Check 'Specific Restrictions' above.
Who to call?
Use Non-Emergency Police: 406-552-6300.
Fines?
Commonly range from $50 to $500 for initial offenses.
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