Aurora, CO Noise from Specific Sources: Bar & Nightclub Noise (2026)
Key Facts
- Residential boundary limit
- 55 dBA day / 45 dBA night
- Commercial/mixed-use limit
- 60 dBA day / 55 dBA night
- PA/loudspeaker curfew
- banned 10pm-7am near homes
- Governing instrument
- UDO Art. 146-4, current Feb. 23, 2026
- Also applies
- City Code § 94-107, cumulative
Summary
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.
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 boundary is prohibited, unless the activity is authorized by a temporary permit.
Official source re-checked September 8, 2026: no newer edition of the code had been published (publisher’s edition: current through Ordinance 2026-30, passed June 22, 2026).
Full Breakdown
Under UDO § 146-4.11.2.E, any use, including a bar or nightclub, that operates a loudspeaker, radio, TV, or other sound device so it exceeds the levels in Table 4.11-1 is prohibited: 55 dBA (day)/45 dBA (night) at a residential boundary, 60/55 dBA at a commercial or mixed-use boundary. Operating a loudspeaker or PA system between 10 p.m. and 7 a.m. in a way that disturbs a residential property line is banned outright unless a temporary permit authorizes it. City Code § 94-107 separately bars unreasonably loud noise city-wide and states its restrictions apply cumulatively with Chapter 146, both can be enforced against the same venue.
Violations & Fines
Sound measured over the Table 4.11-1 limit for the adjacent zone, or any loudspeaker/PA use between 10 p.m.-7 a.m. disturbing a residential lot line without a temporary permit; also enforceable as unreasonably loud noise under City Code § 94-107.
Frequently Asked Questions
How loud can a bar in Aurora, CO be at night?
Can a nightclub run outdoor speakers after 10 p.m.?
Sources & Official References
Other rules in Aurora
Compare Aurora to another location·View the Colorado noise from specific sources overview
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