Texas - Criteria: C (architecture/engineering)
| McCauley, Robert H. and Edith Ethel, House |
| McClelland, J. T. and Minnie, House |
| McClendon-Abney Hardware Company |
| McClennan County Courthouse |
| McCollum, D. C., House |
| McCormic-Bishop House |
| McCroskey, John, Cabin |
| McCulloch County Courthouse |
| McCulloch House |
| McDaniel, George W. and Lavina, House |
| McDermott Motors Building |
| McDonald House |
| McDougal-Jones House |
| McFaddin House Complex |
| McFaddin, James, House |
| McFadin House |
| McFarland House |
| McFarlin Memorial Auditorium |
| McGilbert House |
| McGloin, James, Homestead |
| McGown, Floyd, House |
| McKee Street Bridge |
| McKie-Bass Building |
| McKinney Commercial Historic District |
| McKinney Cotton Mill Historic District |
| McKinney Hospital, Old |
| McKinney-McDonald House |
| McKinney Residential Historic District |
| McKnight-Ebb House |
| McLean Commercial Historic District |
| McMillen Apartments |
| McMurray House |
| McNair House |
| McNamara-O'Conner House |
| McNeil, Marcellus, House |
| McWhirter, George and Martha, House |
| McWilliams Building |
| Means-Justiss House |
| Means, V. R., House |
| Mechanical Laboratory and Power House |
| Medical Dental Building |
| Medical Towers |
| Medina Dam |
| Medio Creek Bridge |
| Meek, James V., House |
| Meerscheidt, Otto, House |
| Meissner-Pleasants House |
| Meitzen House |
| Mellinger, Marguerite Meachum & John S., House |
| Melrose Apartment Building |
| Melrose Building |
| Menard County Courthouse |
| Menard, Michel B., House |
| Menger Soap Works |
| Merchants and Manufacturers Building |
| Merchants Ice and Cold Storage Company |
| Meredith-McDowal House |
| Merimax Building |
| Merrell, Capt. Nelson, House |
| Merrell-Roten House |
| Mesa Pump Plant |
| Methodist Church Concord |
| Methodist Church of Richmond |
| Michaelis, M.G., Ranch |
| Michaux Park Historic District |
| Midland Tower |
| Mier Expedition and Dawson's Men Monument and Tomb |
| Milam, Ben, Statue |
| Milam Building |
| Milam County Courthouse and Jail |
| Mildred Buildings |
| Miley, Willis, House |
| Miller and Stemmons Historic District |
| Miller-Curtis House |
| Miller-Ellyson House |
| Miller, Ezekial and Mary Jane, House |
| Miller, Fannie Moss, House |
| Miller House |
| Miller, John Hickman, House |
| Miller, J. Z., House |
| Miller Manufacturing Company Building |
| Miller, Sam and Marjorie, House |
| Millett Opera House |
| Mills Building |
| Mills County Courthouse |
| Mills County Jailhouse |
| Mills Place Historic District |
| Milroy-Muller House |
| Mimosa Hall |
| Minchen, Simon and Mamie, House |
| Minella, Angelo and Lillian, House |
| Mineola Downtown Historic District |
| Mineral Wells Central Historic District |
| Miraflores Park |
| Mission Citrus Growers Union Packing Shed |
| Mission Concepcion |
| Mission Nuestra Senora del Refugio Monument |
| Mission Parkway |
| Mission San Francisco de la Espada |
| Mission San Juan Capistrano |
Data from United States Park Service and Wikidata