Ann Arbor, MI Noise Ordinances: Quiet Hours (2026)
Quiet hours in Ann Arbor, MI, also called the noise ordinance, nighttime noise rules, or residential quiet time, define the hours during which excessive noise is prohibited.
Key Facts
- Quiet hours
- 10 p.m. to 7 a.m. daily
- Covered noise sources
- power tools, radios, bells, PA systems
- Test
- audible beyond the property line
- First-offense fine
- $50 to $500 plus costs
- Governing section
- City Code § 9:363
Summary
Ann Arbor bans power tools, pest-control devices, bells, radios and amplified music that are audible beyond the property line between 10 p.m. and 7 a.m., citywide under Chapter 119.
No person shall engage in, assist in, permit, continue or permit the continuance of the following activities if the activity produces clearly audible sound beyond the property line of the property on which it is conducted even if the sound level is equal to or less than the dB(A) specified in section 9:364:
(1)The operation, between 10:00 p.m. and 7:00 a.m., of power tools or equipment.(2)The operation, between 10:00 p.m. and 7:00 a.m., of any device for killing, trapping, attracting, or repelling insects or other pests.(3)The sounding, between 10:00 p.m. and 7:00 a.m., of any bell, chime, siren, whistle or similar device, except:(a)To alert persons to the existence of an emergency, danger or attempted crime; or(b)As provided in section 9:365(5).(4)The operation or playing between 10:00 p.m. and 7:00 a.m. of any radio, television, phonograph, drum or musical instrument.
Official source re-checked September 7, 2026: no newer edition of the code had been published (publisher’s edition: Code of Ordinances: Supplement 26 Update 4).
Full Breakdown
City Code § 9:363 lists nine specific noise curfews running 10:00 p.m. to 7:00 a.m.: power tools or equipment, pest-control devices, bells or sirens (except emergencies), radios, TVs, phonographs or musical instruments, loudspeakers and PA systems, plus a Chapter 107 animal-noise nuisance. Each applies only if the sound is clearly audible beyond the property line, even at or under the dB(A) limits in § 9:364. Section 9:362 separately bars any unreasonably loud or disturbing noise at any hour. The curfew applies citywide within Ann Arbor, Washtenaw County; a limited daytime exemption for construction and power equipment appears at § 9:365.
Violations & Fines
Violations are civil infractions under §§ 9:369-9:370: $50-$500 for a first offense, $100-$500 for a second within two years, and $200-$500 plus up to 240 hours community service for a third or later offense.
Frequently Asked Questions
What hours are Ann Arbor's quiet hours?
Does the quiet-hours rule apply on Sundays and holidays too?
Sources & Official References
Other rules in Ann Arbor
How Ann Arbor compares: Cities with the Strictest Noise Ordinances·Compare Ann Arbor to another location·View the Michigan noise ordinances overview
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