Noise Ordinances in Commerce City, CO (2026)
5 verified noise ordinances for Commerce City, Colorado, sourced directly from the municipal code and official government pages.
Verified from official government sources
Quiet Hours
Commerce City has no fixed nighttime curfew hours for noise; instead Municipal Code Section 6-2011(b) bans unreasonable noise at any hour, on any premises or in any vehicle. Section 6-2011(a) lists the time of day as one factor city agents weigh when deciding whether a sound is unreasonable, so late-night noise is judged more strictly than the same sound at midday, without a set clock cutoff.
Nighttime Noise Rules in Commerce City
Some RestrictionsCommerce City Revised Municipal Code § 6-2011(a)(1), (b)
(a)Unreasonable noise defined. Any sound of such level and duration as to be or tend to be injurious to human health or welfare, or that would unreasonably interfere with the enjoyment of life or property, is deemed unreasonable. City agents are authorized to make a prima facie determination as to whether a noise is unreasonable, which determination may be based upon, but need not be limited to...
Construction Hours
Commerce City exempts construction equipment operating between 7:00 a.m. and 8:00 p.m. from its unreasonable-noise rule, under Municipal Code Section 6-2011(c)(2). Run a job site outside that window and the noise is judged under the ordinary unreasonableness standard, not the exemption. Emergency vehicles and city-authorized activities carry their own separate exemptions in the same subsection.
Construction Noise Hours in Commerce City
Some RestrictionsCommerce City Revised Municipal Code § 6-2011(c), (c)(2)
(c)Exemptions. The limitations of this section shall not apply to:(1)Authorized emergency vehicles;(2)Construction equipment operating between the hours of 7:00 a.m. and 8:00 p.m.;
Barking Dogs
Commerce City bans letting an animal disturb the peace with barking, howling, yelping, whining or squawking that is plainly audible off the property, persistent for more than ten minutes, and unprovoked, under Sec. 4-2004. But no summons can issue for a first complaint: the code requires a prior written warning within the last twelve months before police or animal control can cite the owner.
Barking Dog Nuisance Rule in Commerce City
Some RestrictionsCommerce City Revised Municipal Code § 4-2004
(a)No owner of any animal or animals shall allow such animal or animals to disturb the peace and quiet of any person by making audible sounds, including without limitation barking, howling, yelping, whining, or squawking, where such audible sound is:(1)Plainly audible beyond the premises on which the animal is kept;(2)Persistent, frequent or habitual, provided persistence shall be presumed if c...
Amplified Music & Outdoor Sound
Commerce City treats sound amplification equipment as a factor in deciding whether noise is unreasonable and unlawful, under Municipal Code Section 6-2011(a). City agents can find a sound unreasonable based on the presence or absence of amplification gear, along with the time of day, crowd size and neighborhood. There is no fixed decibel number: it is a case-by-case call enforced as a civil matter.
Amplified Music Noise Rules in Commerce City
Some RestrictionsCommerce City Revised Municipal Code § 6-2011(a), (a)(4)
(a)Unreasonable noise defined. Any sound of such level and duration as to be or tend to be injurious to human health or welfare, or that would unreasonably interfere with the enjoyment of life or property, is deemed unreasonable. City agents are authorized to make a prima facie determination as to whether a noise is unreasonable, which determination may be based upon, but need not be limited to...
Aircraft Noise
Commerce City's Land Development Code blocks new residential development inside high aircraft-noise areas. Section 21-5259 flatly bars any new residential use on property that lies within a 55 DNL, day-night noise level, or higher airport noise contour, protecting future residents from locating too close to airport flight paths.
Airport Noise Contour Limits
Significant RestrictionsCommerce City Land Development Code § 21-5259
No new residential use shall be established on any property that lies within an airport noise contour of 55 DNL (day-night noise level) or higher.
Looking for Adams County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Commerce City city rules.
Noise Ordinances in Adams County →