The Josiah Frost House is an historic American home that is located in Menallen Township, Fayette County, Pennsylvania.

It was added to the National Register of Historic Places in 1996.

[1] Built roughly between 1816 and 1819, this historic structure is a two-story, rectangular, sandstone dwelling that measures forty-eight feet by twenty-four feet.

It was designed in a vernacular, Federal style, and was built as part of the Searight Tavern complex at Searight's Corners, an important stop for nineteenth-century travelers on the National Road.

The Frost house was on the north side of Route 40.