The Bass Mansion, located at 216 N. College St. in Stevensville, Montana, was built during 1908–09.

Gibson and its construction was supervised by architect John Brechbill for owner Dudley C. Bass.

Dudley C. Bass and his brother William Bass, are credited with pioneering the state's fruit industry by their "renowned" 1,000 acres (4.0 km2) Pine Grove (Fruit) Farm, "renowned" in the east as well as the northwest.

[2] It is a two-story frame building with a monumental pedimented portico having six "quasi-Ionic" columns.

This article about a property in Montana on the National Register of Historic Places is a stub.