1 county-level rule, plus city-specific rules for 1 city in Washtenaw County, Michigan.
Verified from official government sources
Washtenaw County, MI does not set residential quiet hours. Under the Michigan Zoning Enabling Act (MCL 125.3101 et seq.), noise regulation is delegated to the cities, villages, and townships - including Ann Arbor, Ypsilanti, Saline, Chelsea, Dexter, and Milan. The state criminal fallback is MCL 750.170 (disturbing the peace), a 90-day misdemeanor. Ann Arbor City Code Chapter 119 (Noise Control) prohibits sound audible past the property line between 10:00 p.m. and 7:00 a.m., with violations carrying up to a $500 fine. Industrial sources are regulated by EGLE under Part 18 of NREPA. Call your local police non-emergency line - not the County - for residential noise complaints.
1 cities in Washtenaw County have their own noise ordinances rules. Each link goes to that city's dedicated page with code citations.
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Washtenaw County Ordinance Hub →