218621-218623 COLLIE STREET, Mosinee, WI 54455

Side-by-side duplex located in the Town of Mosinee, just south of the Village of Rib Mountain border, situated on a spacious 1-acre lot. Whether you're looking for an owner-occupied property with rental income or an investment property, this duplex offers a number of possibilities. Each unit features 2 bedrooms, 1 full bathroom, 952 finished square feet on the main level, and an attached, spacious 2-car garage. The garages are drywalled and separated by a shared wall, providing additional privacy between the units. Both sides also feature their own covered patio and semi-private backyard space. Each unit has a full, unfinished lower level with poured foundation walls, offering additional storage or future potential. The property has separate gas meters and 200-amp electrical services for each unit, along with one well and septic system that services both units. An owned water softener serves the property. Both units are equipped with natural gas forced-air heat and central air conditioning. Additional features include Anderson wood windows throughout and a roof installed in 2014 with higher-end architectural shingles backed by a 50-year shingle warranty. Left Unit (218623): Currently leased from July 1, 2026, through June 30, 2027, at $1,100 per month. The tenant is responsible for gas and electricity. The seller has obtained a rental market opinion estimating current market rent at approximately $1,400 per month, offering room for increased rents down the line. This unit also features updated flooring and paint throughout! Right Unit (218621): Currently vacant, providing an opportunity for a buyer to occupy one side while generating rental income from the other, or to lease both units as an investment property. A well-maintained duplex with a desirable location, generous lot size, and flexible ownership options. Call today!