Accessory Structures in Appleton, WI (2026)
2 verified accessory structures rules for Appleton, Wisconsin, sourced directly from the municipal code and official government pages.
Verified from official government sources
ADU Rules
Appleton allows accessory dwelling units (ADUs) and junior ADUs (JADUs) on residential-zoned properties under Title 23 (Zoning Ordinance) Sec. 23-55 and Sec. 23-56, adopted by the Common Council in July 2021. ADUs are permitted in conjunction with an existing or proposed single-family dwelling or two-family zero-lot-line dwelling in the R-1A, R-1B, R-1C, R-2, and R-3 districts. JADUs are capped at 500 sq ft. A deed restriction is required so the ADU/JADU is sold together with the principal dwelling. Building permits are issued through the Community Development / Building Inspections Division.
Accessory Dwelling Unit Rules (Appleton, WI)
Some RestrictionsShed Rules
Sheds in Appleton are accessory buildings under Section 4-141 of the Appleton Municipal Code. Sheds under 50 square feet are exempt from a building permit but must still meet zoning. Sheds over 100 square feet require a concrete slab, sheds 150 square feet or larger are reclassified as a garage. All sheds must sit in a side or rear yard, at least 3 feet from any side or rear lot line, 10 feet from the principal building and 5 feet from any other accessory building.
Shed Rules in Appleton
Some RestrictionsLooking for Outagamie County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Appleton city rules.
Accessory Structures in Outagamie County →