Dayton-Williams House

Dayton-Williams House is a historic home located at Middle Granville in Washington County, New York. It was built about 1820 and is a two-story, five-bay, center entrance, gable end brick building. It is in the Federal style. Also on the property is a retaining wall of fieldstone and slate and the foundation of a dwelling house built to house railroad workers in the 19th century.

It was listed on the National Register of Historic Places in 2006.