Accessory Structures in Walworth County, WI (2026)
1 rule for unincorporated Walworth County, Wisconsin.
Verified from official government sources
Note: These county rules apply to unincorporated areas of Walworth County. If you live within an incorporated city, that city's own rules apply: see the city list below.
Shed & Carport Rules
Sheds and other accessory buildings in unincorporated Walworth County are capped by lot size under Walworth County Code § 74-38: a parcel up to 12,000 square feet is limited to 10 percent lot coverage in accessory structures, and structures 1,200 square feet or smaller cannot exceed 17 feet in height.
Shed and Accessory Building Rules, Walworth County
Some RestrictionsWalworth County Code § 74-38(2)
Accessory structure, size, height and locational requirements. The size (square footage at ground floor elevation) of accessory structures shall be based on lot area. The lot area shall be considered the net area less areas zoned C-1 and C-4. The total accessory structure floor area shall be calculated as follows: Parcel from 0 to 12,000 square foot is limited to 10% of lot area in accessory st...
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