All - Architectural style - Prairie School architecture
| Greene, George, House |
| Green, Roland A. D., House |
| Greenwood, The |
| Gridley, Mrs., A. W., House |
| Gutknecht, Edwin and Jennie, House |
| Hager, Otto J., House |
| Hall, R. A., House |
| Halstead Santa Fe Depot |
| Hardy, Thomas P., House |
| Hargis House |
| Harris, Joseph, House |
| Harrison High School |
| Hawkins, Dr. M. C., House |
| Haynes, Elwood, House |
| Haywood, Dr. Hubert Benbury and Marguerite Manor, House |
| Heald House |
| Healy Chapel |
| Helfrich, Michael D., House |
| Helms Apartments |
| Henderson, Frank B., House |
| Heurtley, Arthur, House |
| Hickox, Warren, House |
| Hinckley, Ward, House |
| Hirsig, Louis, House |
| Hitchcock, Charles, Hall |
| Hobart Rock Island Depot |
| Hoffman, Charles, House |
| Hoover-Timme House |
| Hotel Paris |
| Hotel Turkey |
| House at 221 North Magdalen |
| House at 421 West Twohig |
| House at 731 Preusser |
| Houston Carnegie Library |
| Hoyt, E. S., House |
| Humer Building |
| Hurst, A. A., House |
| Illinois Central Passenger Depot-Storm Lake |
| Inman, Clarissa McKeyes, House |
| International Harvester Building |
| Irving, James B., House |
| Isermann, Anthony and Caroline, House |
| Isermann, Frank and Jane, House |
| Island Woolen Company Office Building |
| Jaworowski, George and Adele, House |
| Jefferson Public Library |
| Jensen-Salsbery Laboratories |
| Jewell Apartments |
| Johnson, A.P., House |
| Johnson-Elliott House |
| Johnson, Herbert F., House |
| Johnson, J. V., House |
| Johnston Memorial Building |
| Jones, Fred B., Estate |
| Jones, Granville D., House |
| Joye Cottage |
| Juab County Jail |
| Judson, The |
| Jump River Town Hall |
| Kasson Municipal Building |
| Keith House |
| Keith, John M., House |
| Keller House |
| Kellogg, W.K., House |
| Kenilworth Club |
| Kern, Rufus A., House |
| Kettering, Charles F., House |
| Keystone Building |
| Kiesselbach, Theodore A., House |
| Kilbourn Public Library |
| King, Patrick J., House |
| Klutho, Henry John, House |
| Kohl, Ernst Martin, Building |
| Kouns-Jackson House |
| Krause, John, House |
| Krippendorf Estate |
| Kuebler-Artes Building |
| Kupke, Christian, Farmstead |
| Ladies Literary Club Clubhouse |
| Lake Andes Carnegie Library |
| Lamp, Robert M., House |
| Lancaster Municipal Building |
| Lanzl, Haerman, House |
| Larson, August Cornelius, House |
| Lassise-Schettini House |
| Latham-Baker House |
| Leiman House |
| Lemon Bay Woman's Club |
| Levy, Soloman, House |
| Lincoln, Abraham, Memorial Garden |
| Lincoln Elementary School |
| Lincoln Park Lily Pool |
| Lincoln Park, South Pond Refectory |
| Lippert House |
| Livingston-Hess House |
| Lockridge Medical Clinic |
| Locust Street Apartments |
| Long, D. T., House |
| Loring House |
| Lott, Howard L. and Vivian W.,House |
Data from United States Park Service and Wikidata
