Texas - Significance region: Local
| 1879 Houston Waterworks |
| 1884 Houston Cotton Exchange Building |
| 1910 Hidalgo County Jail |
| 1911 Kinney County Courthouse |
| 1915 Taylor County Courthouse |
| 1926 Republic National Bank |
| 4928 Bryan Street Apartments |
| 500 Jefferson Building |
| 511 Akard Building |
| 600 Building |
| Aber and Haberle Houses |
| Abercrombie-Cavanaugh House |
| Abilene and Northern Railway Company Depot |
| Abilene Christian College Administration Building |
| Abilene Commercial Historic District |
| Abilene Fire Station No. 2 |
| Abilene High School |
| Abilene Street Railway Company Barn |
| Ackers, William and Mary, House |
| Adamson, F. R., House |
| Adamson, W.H., High School |
| Administration Building |
| Administration Building, Decatur Baptist College |
| Alamo Methodist Church |
| Alamo National Bank Building |
| Alamo National Bank Building |
| Alcalde Street-Crockett School Historic District |
| Alderdice, J. M., House |
| Alderman, G. H., House |
| Aldridge Sawmill |
| Alexander-Campbell House |
| Allbach House |
| Allcorn-Kokemoor Farmstead |
| Allen Academy Memorial Hall |
| Allen-Bell House |
| Allen Block |
| Allen, I. R., House |
| Allen Memorial Presbyterian Church |
| Allen, Robert C., House |
| Allen, R. O., House-Allen Academy |
| Allen Water Station |
| All Saints' Chapel |
| All Saints Roman Catholic Church |
| Alvin Gulf, Colorado and Santa Fe Railway Passenger Depot |
| Amarillo Building |
| Amarillo College Administration Building and Gymnasium |
| Amarillo Globe Dream House |
| Amarillo US Post Office and Courthouse |
| Ambassador Hotel |
| American National Bank of Amarillo and SPS Tower |
| American National Insurance Company (ANICO) |
| American Trust Building-Holiday Inn |
| Amos, Martin C., House |
| Anderson Camp Ground |
| Anderson County Jail |
| Anderson Historic District |
| Anderson, John W., House |
| Anderson, L.C., Hall |
| Anderson, Neil P., Building |
| Andrews Lake Sites |
| Angelina River Bridge |
| Angelo Heights Historic District |
| Angle, D. M., House |
| Antioch Missionary Baptist Church |
| Applewhite, Isaac, House |
| Arlington Post Office |
| Armand Bayou Archeological District |
| Armstrong House-Allen Academy |
| Arnold Bakery |
| Arnold-Rauch-Brandt Homestead |
| Arnold-Torbet House |
| Arnot House |
| Astin, J. P., House |
| Astin, R. Q., House |
| Aston Building |
| Atchison, Topeka and Santa Fe Railway Company Depot and Locomotive No. 5000 |
| Atchison, Topeka and Santa Fe Railway Depot, Panhandle |
| Atkinson House |
| Atkinson-Morris House |
| Atwood, E. K., House |
| Aue Stagecoach Inn |
| Aurora Apartment Hotel |
| Austin and Northwestern Railroad Historic District-Fairland to Llano |
| Austin Central Fire Station #1 |
| Austin Central Library |
| Austin County Courthouse |
| Austin County Jail |
| Austin Daily Tribune Building |
| Austin Fire Drill Tower |
| Austin, F. K. and Mary, House |
| Austin Public Library |
| Austin, Stephen F., Elementary School |
| Austin US Courthouse |
| Autrey-Williams House |
| Autry, James L., House |
| Aviary at the Houston Zoo |
| Aynesworth-Wright House |
| Azalea Residential Historic District |
| Aztec Cleaners and Laundry Building |
| Bacon, Warren and Myrta, House |
Data from United States Park Service and Wikidata
