Texas - Area of significance: Architecture
| 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 |
| 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 |
| Lightfoot, Ewart H. and Lillian, House |
| 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 |
| Littlefield House |
| Little House |
| Live Oak County Jail |
| Livingston-Hess House |
| Llano Cemetery Historic District |
| Llano County Courthouse and Jail |
| Llano County Courthouse Historic District |
| Lockett, M. B. and Annie, House |
| Locust Grove |
| Logue House |
| Longview National Bank |
| Los Nogales |
| Los Ojuelos |
| Lost Bayou Historic District |
| Lott, Howard L. and Vivian W.,House |
| Louisiana-Rio Grande Canal Company Irrigation System |
| Love, Frank and Mellie, House |
| Lowry, Fayette C., House |
| Lubbock County Jail |
| Lubbock High School |
| Lubbock Post Office and Federal Building |
| Lucas, Joseph and Annie, House |
| Luce Hall |
| Luckett, H. P., House |
| Lufkin Land-Long Bell-Buck House |
| Lumpkin Building |
| Luna Jacal |
| Lund House |
| Lutcher Memorial Church Building |
| Luther Hotel |
| Lynch-Probst House |
| Lynn County Courthouse |
| Macatee, Leonard W., House |
| Macedonia Baptist Church |
| Mackey, William, House |
| Maddox, John W., House |
| Magee, J. D., House |
| Magnolia Building |
| Magnolia Petroleum Company City Sales and Warehouse |
| Magnolias, The |
| Magoffin Historic District |
| Magoffin Homestead |
| Main and Military Plazas Historic District |
| Main and Military Plazas Historic District |
| Main Building, Southwest Texas Normal School |
| Main Street Historic District |
| Main Street/Market Square Historic District |
| Majestic Theatre |
| Majestic Theatre |
| Makemson, W. K. and Kate, House |
| Manautou House |
| M and J Nelson Building |
| Manhattan Heights Historic District |
| Manlove, Bartholomew, House |
| Mann, John Wesley, House |
| Mansbendel, Peter and Clotilde Shipe, House |
| Mansfield House |
| Marie, Frank, House |
| Marine Commercial Historic District |
| Markeen Apartments |
| Markward Homestead |
Data from United States Park Service and Wikidata
