Ohio - Constructed - 1880–1889
| Adams School |
| Ada Pennsylvania Station and Railroad Park |
| Adelbert Hall, Case Western Reserve University |
| Adgate Block |
| Allen County Courthouse |
| Amherst Town Hall |
| Anna Town Hall |
| Antwerp Norfolk and Western Depot |
| Arcade Hotel |
| Arlington Hotel |
| Arrowston |
| Ballard Road Covered Bridge |
| Bigelow, Charles H., House |
| Blackwood Covered Bridge |
| Bright, John, Covered Bridge |
| Brittany Apartment Building |
| Burckhardt, A. E., House |
| Carnegie Library and Henry St. Clair Memorial Hall |
| Cedarville Opera House |
| Cleveland West Pierhead Light |
| Coe, Truman and Sylvia Bull, House |
| Columbus Transfer Company Warehouse |
| Coppess, Benjamin Franklin House |
| Dayton View Historic District |
| Detmer, A. M., House |
| East Side Fire Station |
| East Walnut Hills Firehouse |
| Elsinore Arch |
| First Congregational-Unitarian Church |
| Hancock County Courthouse |
| Henderson, Dr. David W., House |
| Knowlton Covered Bridge |
| Krumm House |
| Kuebeler, August, House |
| Kuhns, Benjamin F., Building |
| L. Hoster Brewing Company |
| Marion County Courthouse |
| Miami County Courthouse and Power Station |
| Olive Branch High School |
| Paulding County Courthouse |
| Potters National Bank |
| Probasco Fountain |
| Putman, Walter S., House |
| Reed Covered Bridge |
| Riverside Chapel |
| Sharp-Page House |
| Shedd-Dunn House |
| Shinn Covered Bridge |
| Station Road Bridge |
| St. Francis Hospital |
| St. Ignatius High School |
| St. Mary's Catholic Church |
| St. Mary's Roman Catholic Church |
| St. Michael Catholic Church |
| Trinity Lutheran Church |
| Tuscarawas County Courthouse |
| U.S. Post Office and Courthouse |
| Waynesville Engine House and Lockup |
| Wick Park Historic District |
| Zettler Grocery and Hardware |
Data from United States Park Service and Wikidata