Thomas Downs House

The Thomas Downs House is a historic home located just east of Charlestown, Indiana's town square. It was built about 1809 and is a two-story, four-bay, Federal style brick dwelling. It has a gable roof, sits on a stone foundation, and has a one-story rear ell. Thomas Downs was a politician from Charlestown that was Clark County's first county treasurer. He would later serve as an Indiana Territory legislator. It is owned by the Clark's Grant Historical Society, who has a museum there but offers tours by reservation only.

It was listed on the National Register of Historic Places in 1984.