All - Constructed - 1880–1889
| House at 343 Highland Avenue |
| House at 39 Converse Street |
| House at 42 Vinal Avenue |
| House at 45 Claremont Avenue |
| House at 463 Park Ave. |
| House at 54 Spring Street |
| House at 57 Woburn Street |
| House at 5 Prospect Hill |
| House at 62 Daly Avenue |
| House at 823 Ohio Street |
| House at 913 2nd |
| House at 915 2nd |
| House at 919 2nd |
| Houses at 28-36 Beacon Street |
| Houses at 838-862 Brightridge Street |
| Hovey, Horatio N., House |
| Howard, Frank, House |
| Howard Memorial Library |
| Howe Building |
| Howe, Edgar W., House |
| Howe House |
| Howie, David W., House |
| Hudson, Alfred L., House |
| Hull Building |
| Hulme, Amos, Barn |
| Hume House |
| Hunter House |
| Hurricana Stock Farm |
| Huston, Abram, House and Carriage House |
| Idaho Mining and Smelter Company Store |
| Illinois Central Passenger Depot |
| Independent Order of Odd Fellows-Lodge #189 Building |
| Indian Harbor Yacht Club |
| Ingleside |
| Inman House |
| Insurance Building |
| Intervale Factory |
| Iowa State Capitol |
| ISLAND BIRD (log canoe) |
| ISLAND IMAGE (log canoe) |
| Jacobs Building |
| Jaffa Opera House |
| Jaramillo, Ramon, House and Barn |
| Jekyll Island Club |
| Jenckes Spinning Company |
| Jerseyville First Presbyterian Church |
| J.M. ALLMENDINGER (Steambarge) Shipwreck |
| Johns Hopkins Hospital Complex |
| Johnson, Carl G., House |
| Johnson Creek Covered Bridge |
| Johnson, Newell D., House |
| Johnston Building |
| Johnston-Muff House |
| Jones, Benjamin F., Cottage |
| Jones, Harry T., House |
| Jones, Harry W., House |
| Jordan, F.M., House |
| Joshua Bates School |
| Judkins, Amos, House |
| Kage School |
| Kahlert Mercantile Store |
| Kaiser's |
| Kansas City, Fort Scott and Memphis Railroad Depot |
| Keller House and Derick |
| Kelley and Browne Flats |
| Kellow House |
| Kelly, Eugene V., Carriage House |
| Kelsey, Porter, House |
| Kennedy-Foster House |
| Kenton Post Office |
| Kent, Sydney, House |
| Kenwood Evangelical Church |
| Kerwin, Judge J. C., House |
| Kiddle, Richard R., House |
| Kiene, Albert, House |
| Kimball, Burt, House |
| King, Moses, Brick and Tile Works |
| Kirkham, Francis M., House |
| Kirk's Cabin Complex |
| Knight, Morris A., House |
| Knowlton Covered Bridge |
| Koch Apartments |
| Kohler, John Michael, House |
| Kort Grocery |
| Kreischer House |
| Krumm House |
| Kuebeler, August, House |
| Kuehn Blacksmith Shop-Hardware Store |
| Kuhl, Christina, House |
| Kuhns, Benjamin F., Building |
| Laconia District Court |
| Lake City Public Library |
| Lakewood Park Bridge |
| Lamson, Newton, House |
| Lane College Historic District |
| Lane University |
| Langmaid Building |
| Lapham-Patterson House |
| Larkin, Arthur, House |
| LaSalette Academy |
Data from United States Park Service and Wikidata
