Wing-Northup House, also known as the Washington County Historical Society Headquarters, is a historic home located at Fort Edward in Washington County, New York. It was built about 1815 by entrepreneur Daniel Wood Wing[2] and is a two-story, five-bay, center entrance brick front building, with a two-story brick ell. A one-story brick side wing was added about 1880. The property was acquired in 1884 by James M. Northup, and in 1982 by the Washington County Historical Society.[3]