Aurora, CO Quiet Hours & Noise Laws [2026]
When are quiet hours in Aurora, CO?
| Regulation | Details for Aurora, CO |
|---|---|
| Quiet Hours | 9PM-7AM |
| Weekends | Typically same as weekdays |
| Enforcement | Police Non-Emergency: 303.627.3100 |
9 PM to 7 AM
Strict noise limits typically apply during these times.
Aurora, CO Noise Rules
What is the noise ordinance in Aurora, CO?
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.
Decibel Limit Comparison
| Zone Type | Day | Night |
|---|---|---|
| Residential | 55 dBA (7 AM-9 PM) | 45 dBA (9 PM-7 AM) |
| Commercial | 60 dBA (7 AM-7 PM) | 55 dBA (7 PM-7 AM) |
Note: 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.
Specific Restrictions
- Construction:
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.
- Amplified Sound:
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.
- Animals:
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.
- Vehicles:
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 about Aurora, CO Noise Rules
What are the designated quiet hours in Aurora, CO?
9 PM to 7 AM. Generally, during these hours, noise should be kept to a minimum to avoid disturbing neighbors.
How loud can I play music in Aurora, CO?
Residential areas typically have a limit of 55 dBA (7 AM-9 PM) during the day and 45 dBA (9 PM-7 AM) at night. Excessive vibration or bass that is plainly audible at the property line may also be a violation.
Who do I contact to report a noise violation in Aurora, CO?
For non-emergency noise complaints, contact the Aurora, CO police non-emergency line at 303.627.3100. For ongoing issues like construction or animal noise, you can also contact Code Enforcement at 303.739.7000.