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National Register listings in Seneca County, Ohio

46 listings 7 districts 45 with nomination summaries Updated October 2026
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Most notable listings

Aigler Alumni Building Tiffin · Building · listed 1979 Bagby-Hossler House Tiffin · Building · listed 1986 Michaels Farm Kansas · Building · listed 1979 National Home, Daughters of America Tiffin · Building · listed 2003 Octagon, The Tiffin · Building · listed 1979 Omar Chapel Attica · Building · listed 1987 Pleasant Ridge United Methodist Church and Cemetery Tiffin · Building · listed 1993 St. Boniface Roman Catholic Church, School, Rectory, and Convent of the Sister of the Precious Blood New Riegel · Building · listed 1982 Black Student Union Center Tiffin · Building · listed 1979 Bowman's Distillery Tiffin · Building · listed 1980

Historic districts (7)

All listings

Places: Tiffin (38) · Fostoria (2) · McCutchenville (1) · Flat Rock (1) · Bellevue (1) · Kansas (1) · Attica (1) · New Riegel (1)

NamePlaceTypeListed
Aigler Alumni Building Tiffin Building 1979
Bagby-Hossler House Tiffin Building 1986
Beatty Glass Company Tiffin Building 1980
Black Student Union Center Tiffin Building 1979
Bowman's Distillery Tiffin Building 1980
Camp Pittenger Historic District McCutchenville District 2024
College Hall Tiffin Building 1979
Cory, Ambrose, House Fostoria Building 1979
Downtown Tiffin Historic District Tiffin District 1978
Fine Arts Building Tiffin Building 1979
Fort Ball-Railroad Historic Disrict Tiffin District 1979
Fostoria Downtown Historic District Fostoria District 2001
Founders Hall, Heidelberg College Tiffin Building 1973
France Hall Tiffin Building 1979
Gerhart-Rust Residence Tiffin Building 1979
Great Hall Tiffin Building 1979
Hanson Machinery Company Tiffin Building 1980
Hedges-Hunter-Keller-Bacon Gristmill Tiffin Building 1980
Henny Barn Flat Rock Building 1979
Heter Farm Bellevue Building 1979
Hunter, William, House Tiffin Building 1980
Laird Hall Tiffin Building 1979
Miami Street Grade School Tiffin Building 1979
Michaels Farm Kansas Building 1979
Mueller Brewery Tiffin Building 1980
Mueller, Christ, House Tiffin Building 1980
National Home, Daughters of America Tiffin Building 2003
National Orphans' Home, Junior Order United American Mechanics Tiffin District 1990
North Sandusky Street Historic District Tiffin District 1980
Northeast Tiffin Historic District Tiffin District 1980
Octagon, The Tiffin Building 1979
Ohio Lantern Company Tiffin Building 1980
Omar Chapel Attica Building 1987
Pfleiderer Center for Religion and the Humanities Tiffin Building 1979
Pleasant Ridge United Methodist Church and Cemetery Tiffin Building 1993
President's House Tiffin Building 1979
Social Science House Tiffin Building 1979
Springdale Tiffin Building 1993
St. Boniface Roman Catholic Church, School, Rectory, and Convent of the Sister of the Precious Blood New Riegel Building 1982
Tiffin Agricultural Works Tiffin Building 1980
Tiffin Art Metal Company Tiffin Building 1980
Tiffin Waterworks Tiffin Building 1980
Umsted Farm Tiffin Building 1979
Wagner Brothers Bottling Works Tiffin Building 1980
Webster Manufacturing Tiffin Building 1980
Williard Hall Tiffin Building 1979

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.