Building lots in Fort Smith, Montana. Now available, residential building lots from 4,000 to 14,000 SF, with a range of price points. Lot 9 is 8,436 SF with available electric, water and sewer. The Trico Flats subdivision has a total of 19 lots and include protective covenants with some lots allowed for seasonal RV use. Short-term rentals are allowed for permanent homes. Only 3/4 mile from the Afterbay boat ramp, these fee simple lots have everything you need. Search Trico Flats and drive by anytime.