David Stewart Farm

David Stewart Farm, also known as Rock Valley Farm, is a historic house and farm located near Triadelphia, Ohio County, West Virginia. The main house was built about 1812, and is a two-story sandstone dwelling. It is a rectangular, single pile, center-hall structure. Also on the property are a sandstone spring house with workshop above, corncrib, washhouse, and old barn.

It was listed on the National Register of Historic Places in 1979.