National Historical RegisterIndependent guide · not a government site

National Register listings in Delaware County, Ohio

60 listings 6 districts 52 with nomination summaries Updated October 2026
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Most notable listings

Austin Hall Delaware · Building · listed 1985 Chambers Road Covered Bridge Olive Green · Structure · listed 1974 Curtiss, Marcus, Inn Galena · Building · listed 1976 Delaware County Courthouse Delaware · Building · listed 1973 Delaware Public Library Delaware · Building · listed 1983 Edwards Gymnasium/Pfieffer Natatorium Delaware · Building · listed 1985 Gooding House and Tavern Orange Township · Building · listed 2005 O'Shaughnessy Dam and Bridge Shawnee Hills · Structure · listed 1990 Selby Field Delaware · Building · listed 1985 St. Mary's Church and Rectory Delaware · Building · listed 1980

Historic districts (6)

All listings

Places: Delaware (35) · Radnor (5) · Ashley (5) · Sunbury (3) · Galena (3) · Powell (2) · Olive Green (1) · Harlem (1) · Ostrander (1) · Orange Township (1) · Worthington (1) · Shawnee Hills (1)

NamePlaceTypeListed
Austin Hall Delaware Building 1985
Baker, John, Tavern Radnor Building 2006
Bieber, George, House and Farm Delaware Building 1991
Building at 101 North Franklin Street Ashley Building 1980
Building at 223 West High Street Ashley Building 1980
Building at 500 East High Street Ashley Building 1980
Building at 505 East High Street Ashley Building 1980
Center Inn Sunbury Building 1983
Chambers Road Covered Bridge Olive Green Structure 1974
Cleveland, Columbus, Cincinnati & Indianapolis Railroad Depot Delaware Building 2022
Cook, John, Farm Harlem Building 1977
Cooper, Samuel, Farmhouse Radnor Building 1993
Crist Tavern Annex-Millworkers Boarding House Delaware Building 1994
Curtiss, Marcus, Inn Galena Building 1976
Delaware County Courthouse Delaware Building 1973
Delaware County Jail and Sheriff's Residence Delaware Building 1990
Delaware Post Office Delaware Building 2019
Delaware Public Library Delaware Building 1983
Detwiller, John, Tavern and Farmstead Radnor Building 1993
Edwards Gymnasium/Pfieffer Natatorium Delaware Building 1985
Elliott Hall, Sturges Library, And Merrick Hall Delaware District 1973
Felkner-Anderson House Ostrander Building 1988
Gooding House and Tavern Orange Township Building 2005
Greenwood Farm Delaware Building 1979
High House Delaware Building 1986
Highbank Park Works Worthington Structure 1974
Highbanks Metropolitan Park Mounds I and II Powell District 1975
Historic Northwest District Delaware District 1996
Keeler, Diadatus, House Galena Building 1979
Lewis, Samuel, Farmhouse Radnor Building 1993
Limestone Vale Delaware Building 1978
Meeker, Forrest, House and Farm Delaware Building 1991
Mill Worker House No. 1 Delaware Building 1991
Mill Worker House No. 3 Delaware Building 1991
Mill Worker House No. 4 Delaware Building 1991
Mill Worker House No. 5 Delaware Building 1991
Neff, Edward E., House Delaware Building 1988
O'Shaughnessy Dam and Bridge Shawnee Hills Structure 1990
Ohio Wesleyan University Fraternity Hill Historic District Delaware District 2019
Ohio Wesleyan University Student Observatory Delaware Building 1985
Perry, Norman Dewey, House Delaware Building 1991
Radnor Township Hall Radnor Building 2023
Richey, James, Farmhouse Delaware Building 1993
Sanborn Hall Delaware Building 1985
Sandusky Street Historic District Delaware District 1982
Selby Field Delaware Building 1985
Sharp, Samuel, House Ashley Building 1982
Sharp, Stephen, House Westerville Building 1982
Slocum Hall Delaware Building 1985
Spruce Run Earthworks Galena Structure 1973
St. Mary's Church and Rectory Delaware Building 1980
Stratford Methodist Episcopal Church Delaware Building 1991
Stuyvesant Hall Delaware Building 1985
Sunbury Tavern Sunbury Building 1975
Sunbury Town Hall Sunbury Building 1975
Ufferman Site Delaware Site 1974
University Hall-Gray's Chapel Delaware Building 1985
Van Deman, Henry, House Delaware Building 1984
Warren Tavern Complex Delaware District 1983
West Orange Road-Thomas Bridge Powell Structure 2002

State Historic Preservation Office

Nominations, tax-credit certifications and official records for Ohio go through the Ohio State Historic Preservation Office. See how to nominate a property.