Accessory Structures in Genesee County, MI (2026)
1 county-level rule, plus city-specific rules for 1 city in Genesee County, Michigan.
Verified from official government sources
Note: These county rules apply to unincorporated areas of Genesee County. If you live within an incorporated city, that city's own rules apply: see the city list below.
ADU Rules
Genesee County does not zone accessory dwelling units. Under the Michigan Zoning Enabling Act, your city, village, or township sets whether an ADU is allowed and its size, setbacks, and permit path. Check with your local zoning office.
ADU rules set by your city or township, not the county
Some RestrictionsMCL 125.3209(1)
a township that has enacted a zoning ordinance under this act is not subject to an ordinance, rule, or regulation adopted by a county under this act
Accessory Structures by City in Genesee County
1 cities in Genesee County have their own accessory structures rules. Each link goes to that city's dedicated page with code citations.
All Genesee County ordinances
See every category we cover for Genesee County: parking, noise, fences, fires, animals, pools, and more.
Genesee County Ordinance Hub →