Orange County New York (Vacant / Not In Use) has 11 places on the National Register of Historic Places including 4 places of Statewide significance. Significant places include Colden Mansion Ruins, Haskell House, New York State Armony and Southfield Furnace Ruin and Checkerboard Inn.
Some of the country's most noteable architects helped create the Orange County places including John A. Wood, Gabriel Many, Peter Townsend, Grattan & Jennings and James Yelverton. Prominent architectural styles found in Orange Country are Federal, Greek Revival and Colonial Revival.