1 county-level rule, plus city-specific rules for 2 cities in Jackson County, Missouri.
Verified from official government sources
Unincorporated Jackson County is regulated under the Jackson County Unified Development Code (UDC), administered by the Planning and Development Division at 303 W. Walnut, Independence, MO 64050. The UDC establishes residential districts including Residential Estates (RE), Residential Ranchette (RR, minimum 5 acres), and Agricultural (AG). Missouri has no statewide ADU mandate, so whether a detached secondary dwelling is permitted depends on the specific zoning district and typically requires a use variance or conditional use permit. Properties inside Kansas City, Independence, Lee's Summit, Blue Springs, Raytown, Grandview, and other incorporated cities follow each city's separate zoning code.
2 cities in Jackson County have their own accessory structures rules. Each link goes to that city's dedicated page with code citations.
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Jackson County Ordinance Hub →