5 county-level rules, plus city-specific rules for 2 cities in Macomb County, Michigan.
Verified from official government sources
Macomb County does not have a countywide accessory dwelling unit ordinance. In Michigan, ADUs, in-law suites, and second dwellings are zoning matters decided by each city, village, or township, so rules differ across Warren, Sterling Heights, Clinton Township, Shelby Township, and other communities.
Macomb County has no countywide shed ordinance. Under the Michigan Residential Code, a one-story detached shed is exempt from a state building permit if its floor area does not exceed 200 square feet, but the local township or city still sets zoning and setback rules.
Macomb County does not regulate garage conversions. Turning a garage into living space is a zoning and building matter handled by each city, village, or township, which reviews parking and setbacks, plus a locally issued building permit under the Michigan Residential Code.
Macomb County has no countywide carport ordinance. Carports are accessory structures regulated by each city, village, or township through its zoning ordinance, which sets setbacks, height, and whether an attached or freestanding carport is allowed, plus a local building permit.
Macomb County does not have a countywide tiny-home ordinance. Whether a tiny house on a foundation or on wheels is allowed is a zoning decision made by each city, village, or township, and any permanent tiny home must meet the Michigan Residential Code.
2 cities in Macomb County have their own accessory structures rules. Each link goes to that city's dedicated page with code citations.
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Macomb County Ordinance Hub →