Single Family Home for sale by owner in Polson, MT 59860. Beautiful 5925 sq ft custom home on 1.6 acres in a private subdivision just outside Polson, Montana with a panoramic 50-mile view of the untouched Mission Mountains and Glacial fed 27 mile-long Flathead Lake. We are the 2nd owners of this home. This home was not finished when purchased, so we completed the separate garage and 5 rooms in the house and also added another large garage stall from 2001 to 2007. The main and upper floors have c... See site for full property details.