Hobart Welded Steel House Company was a company that manufactured 22 pre-fabricated steel houses in Troy, Ohio, from 1932 to 1941. The company and all 22 houses were located in Troy, Ohio. This article is about the firm and also provides a List of Hobart Welded Steel House Company houses. Sixteen of the houses built by the company, in addition to three garages and a shed, were listed on the U.S. National Register of Historic Places (NRHP) in 1989. Ten of the houses are located on Hobart Circle and Hobart Drive in the Hobart Circle Historic District. Five other houses are extant, but have not been listed on the NRHP. The five non-listed properties are located in Edgehill, but were not deemed to have sufficient historic integrity to support listing on the NRHP. One of the houses, located at