All - Constructed - 1920–1929
| Hotel Cherokee |
| Hotel Cortez |
| Hotel Cuba |
| Hotel Franklin |
| Hotel Kinston |
| Hotel Lincoln |
| Hotel Loraine |
| Hotel Muskogee |
| Hotel Northland |
| Hotel Redmont |
| Hotel Rogers |
| Hotel Roosevelt |
| Hotel Sainte Claire |
| Hotel Saranac |
| Hotel Senator |
| Hotel Syracuse |
| Hotel Turkey |
| Hotel Vicksburg |
| Hotel Westward Ho |
| Hotel Woodland |
| House at 18 Park Street |
| House at 26 Francis Avenue |
| House at 288 Wimbledon Road |
| Houser House |
| Houston Post-Dispatch Building |
| Hovenweep National Monument |
| Howard High School |
| Howard Junior High School |
| Howes, C. G., Dry Cleaning-Carley Real Estate |
| Hudgeon Bridge |
| Hudson Cotton Manufacturing Company |
| Huerfano Bridge |
| Huer Well House/Water Tank |
| Huff, Lee, Apartment Complex |
| Huggins-Stengel Field |
| Hughes, George, House |
| Hulman Building [Morris Plan (Central Union Bank)] |
| Humer Building |
| Hunter-Dulin Building |
| Hunt, W. Ben, Cabin |
| H.W. Gates Funeral Home |
| Hyak Shelter |
| Hyer Hall |
| Idaho Falls City Building |
| Ideal Department Store Building |
| Iglesia de la Santisma Trinidad |
| Igloo Creek Cabin No. 25 |
| Immaculata High School |
| Immaculate Heart of Mary School |
| Indianapolis White Castle Number 3 |
| Indiana Theatre |
| Indian Boundary Park |
| Indian Hill School |
| Indianola Junior High School |
| India Temple Shrine Building |
| Ingersoll, William, Estate |
| Ingraham Building |
| Intercity Bridge |
| Iowa Malleable Iron Company |
| Ipswich Masonic Temple |
| Ironwood Theatre Complex |
| Irving, James B., House |
| Isaqueena |
| Isermann, Anthony and Caroline, House |
| Isermann, Frank and Jane, House |
| Jackson County Courthouse |
| Jackson Hotel |
| Jacksonville Jewish Center |
| Jefferson Intermediate School |
| Jefferson School, Carver Recreation Center, and School Site |
| Jeffrey, Malcolm, House |
| Jeffrey's Hook Lighthouse |
| Jenkins, Dr. George A., House |
| Jenks, John Story, School |
| J. & E. RIGGIN (schooner) |
| J. K. Gill Company Building |
| Johnson, Hugh Edgar, House |
| Johnson Public School |
| Johnston Hall |
| Johnston Memorial Building |
| Jones, B. F., Memorial Library |
| Jones Cash Store |
| Jones III, Hamilton C., House |
| Jones-Willis House |
| Jordan, Arthur, Memorial Hall |
| Julian and Kokenge Company |
| Kanab (Union Pacific) Lodge |
| Kane Mountain Fire Observation Station |
| Kansas City Club Building |
| Kate Duncan Smith Daughters of the American Revolution School |
| Kay County Courthouse |
| Kazon Building |
| Keesler Bridge |
| Kehila Kedosha Janina Synagogue |
| Keller, Edward H. and Bertha R., House |
| Kenner Town Hall |
| Kenosha County Courthouse and Jail |
| Kerr, Albertina, Nursery |
| Key, Francis Scott, Bridge |
| Kimo Theater |
Data from United States Park Service and Wikidata
