1 county-level rule, plus city-specific rules for 3 cities in Racine County, Wisconsin.
Verified from official government sources
Racine County exercises county zoning authority under Wis. Stat. §59.69 over unincorporated towns that have adopted the County Zoning Ordinance (Code of Ordinances Chapter 20). ADUs are not a separate use category in the Racine County code; second living quarters generally must comply with the standards for a single-family dwelling and the accessory-use rules of the underlying district. Incorporated cities and villages (Racine, Burlington, Mount Pleasant, Caledonia, Sturtevant, Waterford, Union Grove, Rochester, etc.) regulate ADUs under their own ordinances per Wis. Stat. §62.23 and §61.35.
3 cities in Racine County have their own accessory structures rules. Each link goes to that city's dedicated page with code citations.
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Racine County Ordinance Hub →