Quiet hours in Denver, CO — also called the noise ordinance, nighttime noise rules, or residential quiet time — define the hours during which excessive noise is prohibited.
Denver DRMC Chapter 36 sets quiet hours 11 PM–7 AM in residential zones. Residential limit is 55 dBA daytime, 50 dBA nighttime. Violations can reach $5,000/day.
DRMC Chapter 36 governs noise control in the City and County of Denver. Quiet hours in residential zones run 11 PM to 7 AM. The ordinance establishes specific decibel limits by zone district: residential areas permit up to 55 dBA during daytime hours and 50 dBA at night. Enforcement is handled by Denver Department of Public Health and Environment (DDPHE) and Denver Police via 311. Disturbance of peace is separately enforced under DRMC Chapter 38. The noise code was substantially updated in 2024–2025 to add objective dB-based standards.
Administrative citations up to $5,000 per day for serious violations. Initial offenses typically $50–$500.
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See how Denver's quiet hours rules stack up against other locations.
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