Accessory Structures in Brown County, WI (2026)
1 county-level rule, plus city-specific rules for 3 cities in Brown County, Wisconsin.
Verified from official government sources
Note: These county rules apply to unincorporated areas of Brown County. If you live within an incorporated city, that city's own rules apply: see the city list below.
Shed & Carport Rules
Brown County lets storage sheds and other accessory structures sit inside the 20-foot critical slope setback, but caps their combined footprint at 500 square feet in the unincorporated towns and shoreland zone.
Storage Shed Setback Limit, Brown County WI
Some RestrictionsBrown County Code § 22.30
22.30 CRITICAL SLOPE SETBACK. All residential, commercial or industrial structures shall be set back a minimum of 20 feet from the top ridgeline of a 20% or greater slope measured to the foundation and must comply with the ordinary high-water mark required setbacks of this ordinance, whichever is greater. Elevation change will be analyzed to determine how steep or signi...
Accessory Structures by City in Brown County
3 cities in Brown County have their own accessory structures rules. Each link goes to that city's dedicated page with code citations.
All Brown County ordinances
See every category we cover for Brown County: parking, noise, fences, fires, animals, pools, and more.
Brown County Ordinance Hub →