Ohio - Constructed - 1850–1859
| Administration Building, Lake Erie College |
| Anderson-Shaffer House |
| Antioch Hall, North And South Halls |
| Drake, Elam, House |
| German Evangelical Protestant Cemetery Chapel |
| Gleason, Edmund, House |
| Graham, William, House |
| Green Island Light |
| Hertzler, Daniel, House |
| Independence Presbyterian Church |
| Lake Township School |
| Loew-Define Grocery Store and Home |
| Logan City Hall |
| McDannald Homestead |
| McSweeney, John, House |
| Mull Covered Bridge |
| Newton Falls Covered Bridge |
| Probasco, Henry, House |
| St. Augustine's Catholic Church |
| Welton, Allen, House |
| Western Female Seminary |
| Wilson Feed Mill |
| Woodland Cemetery |
Data from United States Park Service and Wikidata