Texas - Criteria: C (architecture/engineering)
| Kleinert House |
| Kleinhaus House |
| Klein, Stephen, House |
| Kneip-Bredthauer House |
| Knights of Pythias Building |
| Knittel House |
| Knudson, Christen and Johanne, Farm |
| Koger, William, House |
| Kohler-McPhaul House |
| Kohl, Ernst Martin, Building |
| Kone-Cliett House |
| Korus Farmstead |
| Kouns-Jackson House |
| Kraitchar, Thomas, Jr. and Mary, House |
| Krause House |
| Kreische, Henry L., Brewery and House |
| Kress Building |
| Kress Building |
| Kronenberger House |
| Kurth-Glover House |
| Kurth, J. H., House |
| Kyle City Hall |
| Kyle, Claiborne, Log House |
| Laas, Dr. Charles, House |
| LaBorde House, Store and Hotel |
| Laguna Gloria |
| Lahlum, A. H., House |
| Lake Cliff Historic District |
| Lake Fannin Organizational Camp |
| La Lomita Historic District |
| La Madrilena |
| Lamar Boulevard Bridge |
| Lamar-Calder House |
| Lamar County Hospital |
| Lamar-McKinney Bridge |
| Lamar State College of Technology Administration Building |
| Lamesa Farm Workers Community Historic District |
| Lampasas County Courthouse |
| Lampasas Downtown Historic District |
| Lancaster Avenue Commercial Historic District |
| Landergin-Harrington House |
| Lander-Hopkins House |
| Landmark Inn Complex |
| Lane, James C., House |
| Lane-Riley House |
| Lane-Tarkington House |
| Langsford, Samuel, House |
| Lanius, C. A., House |
| La Nueva Libertad |
| Laredo US Post Office, Court House and Custom House |
| Larson, Martin, House |
| La Salle County Courthouse |
| La Salle Hotel |
| La Salle Monument |
| Lasker Home for Homeless Children |
| Latimer, William and Etta, House |
| Lavaca County Courthouse |
| La Villita Historic District |
| Lawrence, G. E., House |
| Lawrence House |
| Lawrence, Stephen Decatur, Farmstead |
| Lay-Bozka House |
| Leake, Will and Mary, House |
| Leavell, John, House |
| Ledbetter, Charles P., House |
| Lee County Courthouse |
| Lee, Walter J., House |
| Leffland, Jules, House |
| Leinhardt, Albert and Kate, House |
| Lemmon, Mark and Maybelle, House |
| Lenert, Dr. Robert, House |
| Leonardt, Emil, House |
| Leon County Courthouse and Jails |
| Leon Street Bridge at the Leon River |
| Leske Bar |
| Lester, L. T., House |
| Leuda-May Historic District |
| Levi-Moses House |
| Levine's Department Store |
| Levi-Topletz House |
| Levi-Welder House |
| Levy, E.S., Building |
| Lewis Apartment Building |
| Lewis, William, House |
| Ley, Valentine, House |
| Liberty County Courthouse |
| Lichtenstein, S. Julius, House |
| Liendo Plantation |
| Light House |
| Limerick-Frazier House |
| Linberg, Eric and Martha, Farm |
| Lincoln High School |
| Lincoln Paint and Color Company Building |
| Lindenburg, Emil, House |
| Lindheimer House |
| Link House |
| Link-Lee House |
| Linn Street Historic District |
| Lipscomb County Courthouse |
| Little Campus |
Data from United States Park Service and Wikidata
