Accessory Structures in Milwaukee, WI (2026)
3 verified accessory structures rules for Milwaukee, Wisconsin, sourced directly from the municipal code and official government pages.
Verified from official government sources
ADU Rules
Milwaukee allows one accessory dwelling unit per residential parcel, but only as a limited use tied to owner-occupancy and strict size and setback standards.
Milwaukee ADU Zoning Rules
Some RestrictionsMilwaukee Code of Ordinances § 295-503-2-f (Building and Zoning Code, Volume 2)
f. Accessory Dwelling Unit. f-1. Only one accessory dwelling unit shall be located on the parcel. f-2. For an internal or attached accessory dwelling unit, the parcel shall contain a single-family dwelling. For a detached accessory dwelling unit, the parcel shall contain a single-family or 2-family dwelling. f-3. At the time a building permit application is submitted for an accessory dwelling u...
Shed & Carport Rules
Milwaukee caps sheds at 150 sq ft, bars them from front yards, and sets a 4-foot rear setback and 8-foot sidewall height under the zoning code.
Milwaukee Shed Size and Setback Rules
Some RestrictionsMilwaukee Code of Ordinances § 295-505-3-f (Building and Zoning Code, Volume 2)
f. Garages and Sheds. f-1. General. An accessory building that is 150 square feet or less in area shall meet the requirements for sheds set forth in table 295-505-3. An accessory building that is greater than 150 square feet in area shall meet the requirements for garages set forth in table 295-505-3. f-2. Location. A garage or shed may be located in the rear yard of the principal structure... ...
Tiny Homes
Milwaukee does not permit tiny homes on wheels as permanent dwellings. Tiny houses on foundations must meet the Wisconsin Uniform Dwelling Code minimum 400 square feet.
Accessory Structures: Tiny Homes
Heavy Restrictions2017 Wisconsin Act 67
2017 WISCONSIN ACT 67. An Act to renumber and amend 59.694 (7) (c) and 62.23 (7) (e) 7.; to amend 59.69 (10e) (title), 59.69 (10e) (a) 1., 59.69 (10e) (b), 60.61 (5e) (title), 60.61 (5e) (a) 1., 60.61 (5e) (b), 62.23 (7) (hb) (title), 62.23 (7) (hb) 1. a. and 62.23 (7) (hb) 2.; and to create 59.69 (5e), 59.694 (7) (c) 1., 59.694 (7) (c) 3., 60.61 (4e), 60.62 (4e), 62.23 (7) (de), 62.23 (7) (e) ...
Looking for Milwaukee County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Milwaukee city rules.
Accessory Structures in Milwaukee County →