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National Register listings in Mercer County, Ohio

30 listings 1 districts 29 with nomination summaries Updated October 2026
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Most notable listings

Cassella Catholic Church and Rectory Cassella · Building · listed 1979 Chickasaw School and Rectory Chickasaw · Building · listed 1979 Fort Recovery Site Fort Recovery · Site · listed 1970 Gast, Matthias, House and General Store Maria Stein · Building · listed 1978 Grand Lake St. Marys Lighthouse Celinda · Structure · listed 1982 Gruenwald Convent Cassella · Building · listed 1979 Immaculate Conception Catholic Church Complex Celina · Building · listed 1979 Maria Stein Catholic Church and Rectory Maria Stein · Building · listed 1979 Maria Stein Convent Maria Stein · Building · listed 1976 St. Aloysius Catholic Church Carthagena · Building · listed 1979

Historic districts (1)

All listings

Places: Celina (5) · Fort Recovery (3) · Maria Stein (3) · Cassella (2) · Carthagena (2) · Chickasaw (1) · Coldwater (1) · Celinda (1) · Mendon (1) · Philothea (1) · St. Anthony (1) · Burketsville (1)

NamePlaceTypeListed
Cassella Catholic Church and Rectory Cassella Building 1979
Celina Main Street Commercial Historic District Celina District 1982
Chickasaw School and Rectory Chickasaw Building 1979
Coldwater Catholic Church Complex Coldwater Building 1979
Fort Recovery Site Fort Recovery Site 1970
Gast, Matthias, House and General Store Maria Stein Building 1978
Godfrey, Sen. Thomas J., House Celina Building 1980
Grand Lake St. Marys Lighthouse Celinda Structure 1982
Gruenwald Convent Cassella Building 1979
Immaculate Conception Catholic Church Complex Celina Building 1979
Maria Stein Catholic Church and Rectory Maria Stein Building 1979
Maria Stein Convent Maria Stein Building 1976
Mendon Town Hall Mendon Building 1978
Morvilius Opera House Fort Recovery Building 2022
Otis Hospital Celina Building 1980
Philothea Catholic Church and Priest House Philothea Building 1979
Riley, Calvin E., House Celina Building 1978
St. Aloysius Catholic Church Carthagena Building 1979
St. Anthony Catholic Church, Padua St. Anthony Building 1979
St. Bernard Catholic Church and Rectory Burketsville Building 1979
St. Charles Seminary and Chapel Carthagena Building 1979
St. Francis Catholic Church and Rectory Cranberry Prairie Building 1979
St. Henry Catholic Church St. Henry Building 1979
St. Joseph Catholic Church and Rectory St. Joe Building 1979
St. Paul's Catholic Church and Rectory Sharpsburg Building 1979
St. Peter Catholic Church and Rectory St. Peter Building 1979
St. Rose Catholic Church Complex St. Rose Building 1979
St. Sebastian Catholic Church and Rectory St. Sebastian Building 1979
St. Wendelin Catholic Church, School, and Rectory Wendelin Building 1979
Wallischeck Homestead Fort Recovery Building 1978

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.