Accessory Structures in Mosinee, WI (2026)
2 verified accessory structures rules for Mosinee, Wisconsin, sourced directly from the municipal code and official government pages.
Verified from official government sources
ADU Rules
In the City of Mosinee, an accessory building on a residential lot, a garage, shed or similar structure, cannot double as a second dwelling. Section 42-786(c) says accessory uses or structures "shall not be occupied as a dwelling unit," closing off garage apartments, converted sheds or backyard cottages as livable space in every residential zoning district.
Mosinee Bars Accessory Dwelling Units
Heavy RestrictionsMosinee Code of Ordinances § 42-786(c)
(c)Use restrictions; residential district. Accessory uses or structures in residential districts shall not involve the conduct of any business, trade or industry except for home occupations, and shall not be occupied as a dwelling unit.
Shed & Carport Rules
A residential lot in Mosinee may hold the principal house plus a detached or attached garage and one additional accessory building, under § 42-786(b). Detached sheds and garages can't sit in the required front yard, can't cover more than 40 percent of the required rear yard, and must clear alley and lot lines by five and three feet.
Mosinee Sets Shed and Garage Placement Rules
Some RestrictionsMosinee Code of Ordinances § 42-786(b)
(b)Placement restrictions. An accessory use or structure in a residential district may be established subject to the following regulations:(1)Accessory building number limits. In any residential district, in addition to the principal building, a detached garage or attached garage and one additional accessory building may be placed on a lot.(2)Accessory building size limits. No detached accessor...
Looking for Marathon County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Mosinee city rules.
Accessory Structures in Marathon County →