Ohio - Constructed - 1910–1919
| 103rd Ohio Volunteer Infantry Association Barracks |
| Aigler Alumni Building |
| Alameda Apartments |
| Alta Public Library |
| Barber, O. C., Piggery |
| Barder, Byron R., House |
| Beery, Dr. L. W., House |
| Butler Institute Of American Art |
| Carkhuff, Stacy G., House |
| Central YMCA |
| Cleveland East Pierhead Light |
| Corbusier, John William Creswell, House |
| Dayton Art Institute |
| Detroit Avenue Bridge |
| Detroit-Superior High Level Bridge |
| Ford, Edward, Plate Glass Company Employee Relations Building |
| Gruen Watch Company-Time Hill |
| Halle Building |
| Hardin County Courthouse |
| Hay-McKinney and Bingham-Hanna House |
| Heyne-Zimmerman House |
| Higgins, H. A., Building |
| Home Building Association Bank |
| Hotel Statler |
| Huffman Covered Bridge |
| Karamu House |
| Kettering, Charles F., House |
| Levy, Soloman, House |
| Lorain Fire Station No. 1 |
| Lorain Lighthouse |
| Mahoning National Bank Building |
| May Company |
| Miller, Frederick A., House-Broad Gables |
| Norwood Municipal Building |
| Ohio Moline Plow Company Building |
| Ohio State Normal College At Kent |
| Ohio State Reformatory |
| Old District 10 Schoolhouse |
| Old Ohio Union |
| People's Federal Savings and Loan Association |
| Pierce, Elijah, Properties |
| Round Barn |
| Salem Methodist Episcopal Church |
| Seiberling, Charles Willard, House |
| Sheltering Arms Hospital |
| Smith, Dr. Robert and Anne House |
| St. Clair Hospital |
| St. Peters Church |
| St. Theodosius Russian Orthodox Cathedral |
| Toledo Club |
| University Hall, Cleveland State University |
| U.S. Post Office |
| Viall Lodge |
| West Side Market |
| Withrow High School |
| W.P. SNYDER, JR. (steamboat) |
| Zollinger, S., Company Building |
Data from United States Park Service and Wikidata