5 rules for unincorporated Clay County, Missouri.
Verified from official government sources
Missouri has no statewide ADU mandate, so accessory dwellings in unincorporated Clay County are controlled by county zoning under Title XV and require a building permit. Placement, size, and use must conform to the parcel's zoning district.
Unincorporated Clay County exempts accessory buildings of 200 square feet or less from a building permit, but they must still meet the 5-foot side and rear setback. Structures over 200 square feet need a permit. Farm buildings on qualifying parcels are exempt.
Converting a garage into living space in unincorporated Clay County requires a building permit and must meet habitable-space standards under the adopted International Residential Code. As a first-class county, Clay County is empowered to require the permit and inspections.
Mo. Rev. Stat. §64.170.1
the county commission in all counties of the first and second classification, as provided by law, is for this purpose empowered, subject to the provisions of subsections 2 and 3 of this section, to adopt by order or ordinance regulations to control the construction, reconstruction, alteration or repair of any building or structure and any electrical wiring or electrical installation, plumbing o...
A carport in unincorporated Clay County requires a building permit from the Building Division and must meet zoning setbacks and the county's 90-mph wind-load standard. As a first-class county, Clay County is empowered to permit and inspect the structure.
Mo. Rev. Stat. §64.170.1
the county commission in all counties of the first and second classification, as provided by law, is for this purpose empowered, subject to the provisions of subsections 2 and 3 of this section, to adopt by order or ordinance regulations to control the construction, reconstruction, alteration or repair of any building or structure and any electrical wiring or electrical installation, plumbing o...
In unincorporated Clay County, a foundation-built tiny home is a dwelling that must meet the adopted International Residential Code and zoning. A tiny home on wheels is treated as an RV or manufactured home and is restricted by Title XV zoning.
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