1 county-level rule, plus city-specific rules for 3 cities in Rock County, Wisconsin.
Verified from official government sources
Rock County zoning under Code of Ordinances Chapter 4 (Land Use Management and Zoning) regulates accessory uses only in unincorporated areas where the County is the zoning authority under Wis. Stat. §59.69. Janesville, Beloit, and incorporated villages administer their own zoning codes. Wisconsin has no statewide ADU mandate.
3 cities in Rock County have their own accessory structures rules. Each link goes to that city's dedicated page with code citations.
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Rock County Ordinance Hub →