Henry C. Thias House

Marc Henry C. Thias House, also known as the Forrest Swarz Residence, currently the Marc and Christina Houseman Residence, is a historic home located at Washington, Franklin County, Missouri. It was built in 1888, and is a two-story, Queen Anne brick dwelling. It features multiple porches with decorative spindlework.

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