Washington County Vermont (Vacant / Not In Use) has 3 places on the National Register of Historic Places including 3 places of Statewide significance. Significant places include Barre City Hall and Opera House, Colby Mansion and Twing, Joshua, Gristmill.
Some of the country's most noteable architects helped create the Washington County places including George J. Colby, Joshua Twing, George G. Adams and Mason & Company. Prominent architectural styles found in Washington Country are Greek Revival.