Noise from Specific Sources in Aurora, CO (2026)
3 verified noise from specific sources rules for Aurora, Colorado, sourced directly from the municipal code and official government pages.
Verified from official government sources
Bar & Nightclub Noise
Aurora caps loudspeaker and amplified music from bars and nightclubs by decibel and bans PA/loudspeaker use near homes from 10 p.m. to 7 a.m. under the citywide UDO noise standard.
Aurora, CO Bar & Nightclub Noise Limits
Some RestrictionsAurora Unified Development Ordinance § 146-4.11.2.E.1.c; Table 4.11-1 (current through Ord. No. 2026-03, Feb. 23, 2026)
E. Noise. All activities shall comply with the maximum noise standards in this Subsection E unless another provision of this UDO or another City regulation applies a different standard. ... c. Using or operating any loudspeaker, public address system, or similar device between the hours of 10:00 p.m. and 7:00 a.m., in a manner that creates a noise disturbance to a residential real property boun...
Generator Noise
Aurora has no generator-specific noise rule. Generator and other equipment noise is measured against the UDO's citywide decibel limits: 55 dBA daytime and 45 dBA nighttime at a neighboring residential property line.
Aurora, Colorado Generator Noise Limits
Some RestrictionsAurora Unified Development Ordinance § 146-4.11.2.E
E. Noise. All activities shall comply with the maximum noise standards in this Subsection E unless another provision of this UDO or another City regulation applies a different standard. All sound measurements shall be made on a sound level meter that meets American National Standards Institute (ANSI) specifications S1.4-1974... a. Generating sound levels that exceed the limits established in th...
Delivery Truck Noise
Aurora caps diesel truck idling at 15 minutes per hour citywide and sets decibel limits by adjacent zone, covering delivery truck noise at loading docks.
Aurora Delivery Truck Idling Limit
Some RestrictionsAurora Unified Development Ordinance § 146-4.11.2.E.1.d
Idling or permitting the idling of a motor or any stationary diesel fuel burning vehicle or motor vehicle of any kind for a period in excess of 15 minutes in any hour, within the City limits at any time is prohibited. This Section shall not apply to: i. Engines that must be operated in the idle mode for safety reasons... and ii. Uses where freight drivers sleep in their cabs; provided, that the...
Looking for Arapahoe County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Aurora city rules.
Noise from Specific Sources in Arapahoe County →