Noise Ordinances in Adams County, CO (2026)

2 county-level rules, plus city-specific rules for 2 cities in Adams County, Colorado.

Verified from official government sources

Note: These county rules apply to unincorporated areas of Adams County. If you live within an incorporated city, that city's own rules apply: see the city list below.

Barking Dogs

Unincorporated Adams County makes it a petty offense for a dog to bark, howl, yelp, or whine loud enough to be heard off the owner's premises for more than 20 consecutive minutes between 7 a.m. and 9 p.m., more than 10 consecutive minutes between 9:01 p.m. and 6:59 a.m., or more than 120 cumulative minutes in any 24-hour period, under Animal Control Code Section 5-10.

Adams County Barking Dog Noise Limits

Some Restrictions

Adams County Animal Control Code (Res. 2022-043) § 5-10(a)

(a) It shall be unlawful for any person who owns or keeps a dog petty offense if such dog individually makes, or in combination with another dog or dogs together make, any noises or disturbances by barking, howling, yelping, whining or other utterance that is audible beyond the premises on which the dog is kept, for a consecutive period in excess of twenty (20) minutes during the day (7 A.M. to...

Full ordinance details →Official source ↗

Amplified Music & Outdoor Sound

Adams County treats any amplified sound in its parks, trails, and open-space areas as an automatic "general nuisance" under Rule 12(a), unless the sound is part of a leased event at Riverdale Regional Park or the user first gets consent from the POSCA Department. A citation is a $100 civil infraction, and rangers can eject offenders on the spot.

Amplified Sound Rules in Adams County Parks

Significant Restrictions

Adams County POSCA Rules & Regulations (Resolution 2022-649), Rule 12(a)

It is unlawful for any person to engage in any conduct or activity within an Adams County park, trail, waters, or open space area, or facility which a person knows, or reasonably should know, will substantially interfere with the use and enjoyment of such places by others, the health, safety, and welfare of users or neighbors nearby, or which may constitute a general nuisance. As used herein, "...

Full ordinance details →Official source ↗

Noise Ordinances by City in Adams County

2 cities in Adams County have their own noise ordinances rules. Each link goes to that city's dedicated page with code citations.

ThorntonPop. 141,867

6 verified rules • Amplified Music & Outdoor Sound, Barking Dogs

WestminsterPop. 116,317

3 verified rules • Amplified Music & Outdoor Sound, Barking Dogs

All Adams County ordinances

See every category we cover for Adams County: parking, noise, fences, fires, animals, pools, and more.

Adams County Ordinance Hub →