ADU Rules: St. Clair Shores vs Warren
How do adu rules rules compare between St. Clair Shores, MI and Warren, MI?
St. Clair Shores has fewer restrictions than Warren.
St. Clair Shores, MI
Macomb County
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.
View full St. Clair Shores rules →Warren, MI
Macomb County
Warren does not have a general ADU ordinance. Accessory dwelling units are not permitted by right in Warren. The city's zoning documents address only small accessory structures (sheds, garages) with no reference to secondary dwelling units.
View full Warren rules →Key Facts Comparison
| Fact | St. Clair Shores | Warren |
|---|---|---|
| County ADU ordinance | None; set locally | - |
| Authority | MI Zoning Enabling Act | - |
| Decided by | City, village, or township | - |
| Where to apply | Local planning/building dept | - |
| County role | No residential zoning | - |
| ADUs Permitted | - | No — not permitted by right |
| State Mandate | - | No MI statewide ADU mandate |
| Variance | - | ZBA approval may be required |
| Status | - | Contact Warren Planning Dept to confirm |
Highlighted rows indicate differences between cities.
St. Clair Shores FAQ
Does Macomb County allow accessory dwelling units?
The county itself does not regulate ADUs. Whether one is allowed depends on the zoning ordinance of your specific city, village, or township, so check with the local planning department where the property is located.
Who issues an ADU permit in Macomb County?
Your local municipality does. Michigan's Zoning Enabling Act gives cities and townships zoning power, so the local building and planning office reviews ADU applications, not Macomb County government.
Warren FAQ
Can I build an ADU on my property in Warren?
Warren does not have a general ADU ordinance. Accessory dwelling units are not permitted by right in Warren. The city's zoning documents address only small accessory structures (sheds, garages) with no reference to secondary dwelling units.
What are the size limits for an accessory dwelling unit in Warren?
ADUs Permitted: No — not permitted by right. State Mandate: No MI statewide ADU mandate. Variance: ZBA approval may be required. Status: Contact Warren Planning Dept to confirm.
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