The Octagon House, also known as Zelotes Holmes House, is a historic octagonal house located in Laurens, South Carolina, United States.[2][3] Designed and built in 1859 to 1862 by the Rev. Zelotes Lee Holmes, a Presbyterian minister and teacher, it is thought to be the first concrete house erected in South Carolina.[3] It was called the Zelotes Holmes House by the Historic American Buildings Survey.[4]
Also known as the Old Holmes House, the Old Watson House and the Holmes-Watson House, it was added to the National Register of Historic Places on March 20, 1973.[1]