All - Architectural style - Colonial Revival architecture
| Jordan-Beggs House |
| Juhre, Charles, House |
| Juniper Hill Farm-Maxwell Evarts House |
| Kameny, Dr. Franklin E., House |
| Kanab (Union Pacific) Lodge |
| Kappa Kappa Gamma House |
| Kasson Public School |
| Kayser, George R., House |
| Keating, Clarence, House |
| Keegan House |
| Keeler Tavern |
| Keene, Walter, House |
| Keeny Hall-Louisiana Tech University |
| Keith, Charles S., House |
| Keith, Harry C., House |
| Kell House |
| Kellogg, J. Francis, House |
| Kelly, Col. William, House |
| Kelly, J. Nelson, House |
| Kempf, George J., House |
| Kenmore |
| Kennan, A. P. W., House |
| Kennebunk High School |
| Kennedy Jr., Thomas P., House |
| Kensington Branch of the Philadelphia YWCA |
| Kensington Gardens Apartment Complex |
| Kent, Charles Adolph, Sr., House |
| Kentucky Building |
| Kent-Valentine House |
| Ker-Feal |
| Kerr House |
| Keys, Alvin S., House |
| Kidd-Davis House |
| Kilgo, Bishop John C., House |
| Killingly High School, Old |
| Kimberly Point Park Lighthouse |
| King, Edward Moody, House |
| King, George, House |
| King, Samuel W., House |
| King Schoolhouse |
| Kingsley, Edward D., House |
| Kingston Presbyterian Church |
| Kinkead, Henry P., House |
| Kirby-Hill House |
| Kirk, Sennett and Bertha, House |
| Kistler House |
| Kite Mansion |
| Kitselman, Alva, House |
| Kittrell House |
| Kitty Hawk Life-Saving Station |
| Kleinschmidt, Gustave B., House |
| Klose, Dr. William H. and Mae R., House |
| Knapp House |
| Knesseth Israel Synagogue |
| Knickerbocker Field Club |
| Knight Estate |
| Knight, Jesse, House |
| Knollwood |
| Knott, Dr. Van Buren, House |
| Koch, I. B., House |
| Komensky School |
| Kootenai County Courthouse |
| Kroger Barnes Graf, Gretchen, House |
| Kurtz, T. M., House |
| LaBelle House |
| Labold House and Gardens |
| LaCroix-Mosher House |
| La Crosse Hotel |
| Lafayette Grammar and High School |
| Lafayette Hotel |
| Lake County Tuberculosis Sanatorium Nurses Home and Superintendent's House |
| Lake Hopatcong Yacht Club |
| Lake Hotel |
| Lakeside Grange #63 |
| Lake View Grange No. 970 |
| Lake Village Post Office |
| Lakewood Theater |
| Lakin, James S., House |
| Lambert House |
| Lamoille County Courthouse |
| Lancaster Armory |
| Langley Park |
| Langley, W. H., House |
| Langmuir, Irving, House |
| Lantz-Zeigler House |
| Larkin Home for Children |
| Larson-Simonson House |
| Larson, Swan, Three-Decker |
| LaSalette Academy |
| LaSalle City Building |
| Las Dos Naciones Cigar Factory |
| Latta, Rev. M.L., House |
| Lauer Apartment Building |
| Lawrence, Elizabeth, House and Garden |
| Lawrie House |
| Lawton, John, House |
| Leak-Chaffin-Browder House |
| Lea Laboratory |
| Leavenworth Apartments |
| Lebanon Junior High School and Lebanon High School |
Data from United States Park Service and Wikidata
