Noise Ordinances in Wyoming (2026)
9 rules on the books across Wyoming, 2 cities and counties. Select a rule to read the full details.
Severity: Few Restrictions · Light Restrictions · Some Restrictions · Significant Restrictions · Heavy Restrictions
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.
Barking Dogs
Rules about excessive or continuous dog barking, including how complaints are filed, time-of-day limits, and penalties for owners.
Casper
Some RestrictionsIn the City of Casper, a dog or cat that barks, whines or howls excessively, continuously or at untimely hours meets…
Read full rule →Cheyenne
Some RestrictionsCheyenne City Code 6.08.070 bars an animal owner from letting the animal bark, whine, howl or make other noise in an…
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.
Cheyenne
Significant RestrictionsCheyenne bans loudspeakers, sound cars, and sound trucks on streets, alleys, or public property without written…
Read full rule →Casper
Some RestrictionsThe City of Casper bars radios, musical instruments, phonographs and other sound equipment from playing louder than…
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.
Casper
Some RestrictionsTable 8.20.040 of the Casper Municipal Code caps sound crossing a property line at 55 dB(A) by day and 50 dB(A) at…
Read full rule →Cheyenne
Some RestrictionsCheyenne caps noise at 80 decibels on the A-weighted scale, measured at least 25 feet from the source; heavy trucks of…
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.
Casper
Some RestrictionsCasper caps motorized-vehicle sound at 90 dB(A) for vehicles over 10,000 pounds and 80 dB(A) for lighter vehicles…
Read full rule →Cheyenne
Some RestrictionsCheyenne requires a working muffler on every vehicle and bans unreasonable noise, including loud stereos, revving, and…
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