National Register of Historic Places listings in Seneca County, New York

List of Registered Historic Places in Seneca County, New York

This is intended to be a complete list of properties and districts listed on the National Register of Historic Places in Seneca County, New York. The locations of National Register properties and districts (at least for all showing latitude and longitude coordinates below) may be seen in a map by clicking on "Map of all coordinates". Three properties are further designated U.S. National Historic Landmarks, and one is a U.S. National Historical Park.