What is the residential decibel limit in Denver, CO?

Daytime limit: 55 dB(A) (7 AM - 10 PM). Nighttime limit: 50 dB(A) (10 PM - 7 AM). Allowable residential noise levels for mechanical and amplified sound are 55 dB(A) from 7 a.m. to 10 p.m. and 50 dB(A) from 10 p.m. to 7 a.m., measured at residential property lines. For events on public property, permissible sound is 85 dB(A) (previously 80 dB(A)) until 10 p.m. Festivals on private property can also reach 85 dB(A) for up to eight days annually, with restrictions. Pre-existing commercial/industrial premises may have limits up to 65 dB(A) or 60 dB(A) respectively when measured at a residential property line.

Who do I call for a noise complaint in Denver, CO?

For non-emergencies, contact the police at 720-913-2000. For code violations, contact Code Enforcement at Call 3-1-1.

Denver, CO Noise Ordinance

Quiet Hours: General mechanical/amplified sound quiet hours are 10 PM to 7 AM. Construction noise that is 'plainly audible' is prohibited from 9 PM to 7 AM on weekdays and 5 PM to 8 AM on weekends. Waste collection is generally prohibited between 10 PM and 6 AM.

Residential Decibel Limit: 55 dB(A) (7 AM - 10 PM) (Day) / 50 dB(A) (10 PM - 7 AM) (Night)

Summary: Denver, CO noise ordinances, primarily Denver Revised Municipal Code (DRMC) Chapter 36, protect public peace by regulating ongoing and recurrent noise crossing property lines. Updates effective February 27, 2025, include revised noise definitions and enforcement. The Department of Public Health & Environment and Denver Police enforce regulations, with penalties reaching up to $5,000 per incident for violations.

Local Noise Laws

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