Aurora, CO
Noise Code
The official quiet hours, decibel limits, and enforcement protocols for Aurora, CO.
Ordinance Summary
Aurora, CO noise ordinances, established in City Code Chapter 94, Section 94-107, and Unified Development Ordinance Section 4.4.8, prohibit unreasonably loud or unusual noise that seriously inconveniences others. Residential areas must not exceed 55 dBA during the day (7 AM-9 PM) and 45 dBA at night (9 PM-7 AM). Restrictions also cover amplified sound and construction activities.
Quiet Hours
9 PM to 7 AM
Police Non-Emergency
303.627.3100Decibel Limits
"Residential limits are from Aurora's Unified Development Ordinance Section 4.4.8. Commercial limits are based on Colorado Noise Statute 25-12-103 if no specific local commercial limits are found."
Measure Noise Levels Instantly
Use our free browser-based decibel meter to check if your neighbors are violating the Aurora, CO code.
Specific Noise Restrictions
Construction noise is subject to the standards applicable to the I-2 district from 7 AM to 5 PM, I-1 district from 5 PM to 9 PM, and standards based on adjacent land uses between 9 PM and 7 AM. Construction projects are generally subject to industrial zone noise limits for the duration of the permit.
Using or operating any loudspeaker, public address system, or similar device between 10 PM and 7 AM is prohibited if it creates a noise disturbance to a residential real property boundary, unless authorized by a temporary permit.
Excessive noise from animals, such as barking dogs, is considered a public nuisance. Complaints may lead to a written warning and potential summons if not resolved.
It is unlawful to make unnecessary noise with a vehicle within 150 feet of any hospital, institution for the sick, or school during school hours. Idling of stationary diesel fuel burning vehicles between 10 PM and 7 AM causing a noise disturbance to a residential property boundary is prohibited, with exceptions for certain vehicles.
Frequently Asked Questions
Quiet Hours?
9 PM to 7 AM.
Construction?
Usually limited to daytime hours (e.g. 7am-6pm). Check 'Specific Restrictions' above.
Who to call?
Use Non-Emergency Police: 303.627.3100.
Fines?
Commonly range from $50 to $500 for initial offenses.
Noise Solutions for Aurora, CO
SolvedBest Gear for Aurora, CO Residents
Ultrasonic Bark Control
Humane deterrent that emits a high-frequency sound when it detects barking.
Loop Quiet Ear Plugs
The "gold standard" for sleeping. Reduces noise by 24dB without the pain of foam plugs.
1/2" Thick Rug Pad
Essential for the "80% Rule." Adds density to rugs to absorb footfall impact noise for downstairs neighbors.
Hemp Calming Chews
Natural relief for dog anxiety. Perfect for separation anxiety barking or fear of fireworks.
ThunderShirt for Dogs
The best solution for anxiety-induced barking (fireworks, thunder, separation).
Marpac Dohm Classic
The original fan-based machine. Unlike digital loops, this creates real rushing air sound.
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