Rare multi-family opportunity in sought-after Mair Mills Estates ideal for co-ownership, multigenerational living, or rental income. This executive home features a flexible layout designed to accommodate two families, friends, or extended family, with the option for two parties to be on title. The property includes two fully legal self-contained apartments, offering privacy, comfort, and versatility. The ground-level unit features 3 bedrooms, an office, a 4-piece bathroom, laundry, open-concept living/dining/kitchen, a four-season sunroom (heated and air-conditioned), screened porch, and walkout to a beautifully landscaped backyard with deck and hot tub. The upper-level unit offers 3 additional bedrooms (one currently used as an office), a guest bathroom, a spacious primary suite with ensuite, walk-in closet and laundry, along with an open-concept kitchen with island, family room, and combined living/dining area. Enjoy two elevated outdoor spaces: a balcony over the garage and a large deck accessed from both the kitchen and primary bedroom. The two-car garage connects to both units, and the driveway offers parking for four vehicles. The fully fenced yard features 30 feet of raised garden beds and a built-in sprinkler system all just minutes from the trail system, Blue Mountain, and downtown Collingwood.