The Washington County Historical Society is an educational organization dedicated to engaging diverse audiences in the study and appreciation of the collective heritage of Washington County, New York, and its environs. Its primary purpose is to promote public interest and participation in the preservation of the rich cultural heritage of Washington County, NY. The Heritage Research Library, a repository for regional books, written documents, genealogical information, and memorabilia, and the publication of regional books and annual journals, including those published by the historical society, highlight preservation efforts.

Lectures, workshops, tours and social events are scheduled throughout the year. Society headquarters are situated in the Wing-Northup House, built by entrepreneur Daniel Wood Wing c. 1815. This architecturally significant Federal style house is located in Fort Edward, New York. See map.