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Aurora, CO
Noise Ordinance Overview

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Official Decibel Limits

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Residential Day
55dB
Residential Night
45dB

"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."

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AI Executive Summary

Gemini AI

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.

Specific Noise Restrictions

construction

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.

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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.

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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.

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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.

Noise Protection Score

AExcellent

How well does Aurora protect residents from noise?

Decibel Limits25/25

55 dB day / 45 dB night

Quiet Hours20/25

Extensive coverage

Penalties15/25

Standard fines

Coverage25/25

4 noise categories regulated

compare_arrowsCompare Another CityScore: 85/100 — Based on dB limits, quiet hours, penalties, and ordinance breadth

Frequently Asked Questions

What are the quiet hours in Aurora, CO?

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Aurora's quiet hours: 9 PM to 7 AM. During these hours, noise must stay below residential nighttime decibel limits at the property line. Violations can result in fines on the first offense.

What are the noise decibel limits in Aurora?

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Aurora's residential noise limits: 55 dBA (7 AM-9 PM) dB(A) during the day and 45 dBA (9 PM-7 AM) dB(A) at night. Commercial zones allow 60 dBA (7 AM-7 PM). Limits are measured at the receiving property line.

How do I file a noise complaint in Aurora?

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Call the Aurora police non-emergency line at 303.627.3100. For ongoing violations, contact code enforcement at 303.739.7000. Have the address, noise type, and duration ready. You can request to remain anonymous.

What is the fine for a noise violation in Aurora?

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Aurora's noise violation penalties: Failure to comply with a Code Enforcement Notice of Violation may result in property abatement and/or a summons to appear in court. Permitting excessive noise is a 'proscribed act' under city ordinances, potentially leading to criminal charges for property owners.. Fines typically escalate with repeat offenses and may result in misdemeanor charges for chronic violations.

What are the dog barking rules in Aurora?

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Aurora's rules: 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.. To report a barking dog, contact animal control at 303.326.8288 or the police non-emergency line.

When can construction work start in Aurora?

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Aurora's construction noise rules: 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.. Violations can be reported to code enforcement, which can issue stop-work orders for unpermitted or off-hours construction.

Are there rules about loud music in Aurora?

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Yes. Aurora's ordinance: 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.. Music exceeding residential decibel limits or plainly audible across property lines during quiet hours is a citable violation.

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