Accessory Structures in Grant County, WI (2026)
1 rule for unincorporated Grant County, Wisconsin.
Verified from official government sources
Note: These county rules apply to unincorporated areas of Grant County. If you live within an incorporated city, that city's own rules apply: see the city list below.
Shed & Carport Rules
In unincorporated Grant County, Wisconsin, an accessory structure in the flood-fringe must be constructed on fill with its lowest floor at or above the regional flood elevation. Section 290-27B of the Grant County Code sets that rule, and accessory structures near water, such as boathouses and gazebos, face separate size limits in Ch. 316.
Grant County WI Accessory Structure Rules in Flood-Fringe
Some RestrictionsGrant County Code § 290-27
§ 290-27. Standards for development. ... Section 290-17 shall apply in addition to the following requirements according to the use requested. Any existing structure in the flood-fringe must meet the requirements of Article VI, Nonconforming Uses; ... B. Accessory structures or uses. Accessory structures shall be constructed on fill with the lowest floor at or above the regional flood elevation.
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