Accessory Structures in Middleton, WI (2026)
2 verified accessory structures rules for Middleton, Wisconsin, sourced directly from the municipal code and official government pages.
Verified from official government sources
ADU Rules
Middleton allows one accessory dwelling unit on a single- or two-family lot, attached or detached, but caps its size at the principal home's floor area, bars separate sale, and ties it to a recorded owner-occupancy agreement enforced through a zoning permit under Section 10.10.41.
Accessory Dwelling Unit Rules in Middleton, WI
Some RestrictionsCity of Middleton Municipal Code § 10.03.28(1)
(a)The number of occupants of the Accessory Dwelling Unit shall not exceed one family. ... (d)Accessory Dwelling Units shall adhere to the principal setback requirements and other regulations for the underlying zoning district.(e) ... 1.The principal building or Accessory Dwelling Unit must be occupied by the owner of the property as their primary residence for a period of at least ten months i...
Shed & Carport Rules
Middleton caps all detached accessory buildings on a lot, sheds, garages, workshops and similar structures, at 1,000 square feet of combined footprint by right, growing with larger lots, and confines them to the side and rear yards under the district's accessory setbacks.
Shed and Detached Garage Rules in Middleton, WI
Some RestrictionsCity of Middleton Municipal Code § 10.03.28(5)
Detached buildings accessory to a principal use including but not limited to buildings used to shelter parked passenger vehicles (including garages and carports), sheds and similar structures used to store maintenance equipment on the subject property, workshops, kennels, greenhouses, boathouses, and pool houses, per the Building Code. ... (a)Size A combined total of one thousand (1,000) square...
Looking for Dane County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Middleton city rules.
Accessory Structures in Dane County →