All - Constructed - 1910–1919
| Hayden Rooming House |
| Hay-McKinney and Bingham-Hanna House |
| Haynes House |
| Hayward, Fred R., House |
| Heald House |
| Hearst San Simeon Estate |
| Heathman Plantation Commissary |
| Hebrew Congregation of Mountaindale Synagogue |
| Heigho, Col. E. M., House |
| Hellgate Lodge 383 BPOE |
| Helms Apartments |
| Hemenway Furniture Co. Building |
| Hepburn Library of Colton |
| Hereford Bridge |
| Herman, John H., House |
| Hermanutz, Eugene, House |
| Hermits Rest Concession Building |
| Herring Motor Car Company Building |
| Herschell, Allan, 3-Abreast Carousel |
| Hershell-Spillman Merry-Go-Round |
| Hetebrink House |
| Heublein Tower |
| Hewins Park Pavilion |
| Heyne-Zimmerman House |
| Heyward, Dubose, House |
| Hibbing High School |
| Hickory Lodge No. 345 |
| Higgins, H. A., Building |
| Highfill School (No. 71) |
| Highland Presbyterian Church |
| Hightower Brothers Livery Stable |
| Hilgard Hall |
| Hill Crest Community Center |
| Hill Memorial |
| Hilton Village |
| Hippee Building |
| Hirsch, Mayer, House |
| Hirsig, Louis, House |
| Hobart City Hall |
| Hobart Public Library |
| Hoff Department Store |
| Hoffelt Drug Store |
| Hoffman Round Barn |
| Hoge Building |
| Holbrook Bridge |
| Holden House |
| Holdenville City Hall |
| Holdoegel, Perry C. and Mattie Forrest, House |
| Holly Street Fire Hall |
| Hollywood Farm |
| Holy Cross Church |
| Holy Ghost Catholic Historic District |
| Holy Trinity Armenian Apostolic Church |
| Home Building Association Bank |
| Homestead Town Hall |
| Hood, John, House |
| Hood River County Library and Georgiana Smith Park |
| Hooper, William, School (Former) |
| Hope Lodge #145 |
| Hopewell, Frank B., House |
| Horticultural Hall |
| Hotel Aurora |
| Hotel Brigham |
| Hotel Brown |
| Hotel Burlington |
| Hotel Durant |
| Hotel Fresno |
| Hotel Iowa |
| Hotel Menlo |
| Hotel Montgomery |
| Hotel Ottumwa |
| Hotel Statler |
| Hotel Theresa |
| Hotel Utah |
| Hot Springs High School |
| House at 13 Sheffield Road |
| House at 16-18 Preston Road |
| House at 20 Sterling Street |
| House at 30 Sheffield Road |
| House at 380 Albion Street |
| House at 44 Temple Street |
| House at 4 Birch Avenue |
| House at 88 Prospect Street |
| House at 90 Prospect Street |
| House of Peace Synagogue |
| Houston Heights Fire Station |
| Houston Street Viaduct |
| Howard, Frank, Building |
| Hoyt House |
| Hudsonville Christian School |
| Huechling, Otto, House |
| Huffman Covered Bridge |
| Hugo Frisco Railroad Depot |
| Humphrey, Ernest J. and Edna, Farm |
| Hunt, E. F., House |
| Huntoon Residence |
| Hupmobile Building |
| Hurricane Mountain Fire Observation Station |
| Hurst, A. A., House |
| Hyde Mansion |
Data from United States Park Service and Wikidata
