Texas - Criteria: A (event)
| San Jose Mission National Historic Site |
| San Marcos Milling Company |
| San Marcos Telephone Company |
| San Patricio de Hibernia Monument |
| San Pedro Springs Park |
| San Saba County Courthouse |
| Santa Fe Building |
| Santa Fe-Frisco Depot |
| Santa Fe Passenger Depot |
| Santa Fe Passenger Depot |
| Santa Fe Railroad Station |
| Santa Fe Railway Company Freight Depot |
| Santa Fe Railway Freight Depot |
| Santa Fe Terminal Building No. 4 |
| Santa Fe Terminal Buildings No.1 and No. 2 |
| Santa Rita Courts |
| Saturn V Launch Vehicle |
| Sayles Boulevard Historic District |
| Sayles, Henry, House |
| Schlumberger Well Surveying Corporation Building |
| Schneider Hotel |
| Schneider, J. P., Store |
| Scholz Garten |
| Schroeder, Fritz Paul and Emma, House |
| Schulenburg Cotton Compress |
| Schultz, Tobias and Wilhelmine, Farm |
| Scottish Rite Cathedral |
| Scottish Rite Dormitory |
| Seaholm Power Plant |
| Sears, Roebuck and Company Warehouse and Service Center |
| Second Trinity University Campus |
| Selma Stagecoach Stop and Post Office |
| Sengelmann Hall and City Meat Market Building |
| Sessums-James House |
| Settles Hotel |
| Seward Plantation |
| Shackelford County Courthouse Historic District |
| Shafter Historic Mining District |
| Shapira Hotel |
| Sharrock, Everard Jr., Farmstead |
| Shaw, M. W., Building |
| Shefstad, Gunarus and Ingerborg, House |
| Shelby County Courthouse |
| Sherman US Post Office and Courthouse |
| Shield Ranch |
| Short-Line Residential Historic District |
| Silver Dollar Cafe |
| Simpson Memorial Methodist Church |
| Sims House |
| Site of Presidio San Luis de las Amarillas |
| Sixth Street Historic District |
| Smith County Jail, 1881 |
| Smith, Henry, Statue |
| Smith, Louis H., Inc. Firestone Store |
| Smith Ranch |
| Smithville Commercial Historic District |
| Smithville Residential Historic District |
| Snider Hall |
| Somervell County Courthouse |
| Sons of San Patricio Monument |
| South Alamo Street-South Mary's Street Historic District |
| South Bridge Street Historic District |
| South Center Street Historic District |
| Southern Hotel |
| Southern Pacific Depot Historic District |
| Southern Pacific Railroad Depot |
| Southern Pacific Railroad Freight Depot |
| Southern Pacific Railroad Passenger Depot |
| Southern Pacific Railroad Passenger Station |
| South Overton Residential Historic District |
| South Side Historic District |
| South Side Residential Historic District |
| South Texas National Bank |
| Southwestern Bell Capitol Main Office |
| Space Environment Simulation Laboratory |
| Spanish Fort Site |
| Spanish Governor's Palace |
| Specht’s Store and Schmidt’s Gin |
| Staacke Brothers Building |
| Stafford Bank and Opera House |
| Stagecoach Inn |
| Stage Coach Inn |
| Stanard-Tilton Flour Mill |
| Star Drug Store |
| Star Engraving Company Building |
| Starr House |
| State Cemetery of Texas |
| State Epileptic Colony Historic District |
| State Highway 16, Brazos River Bridge Segment |
| State Highway 34 Bridge at the Trinity River |
| State Highway 78 Bridge at the Red River |
| State Highway 79 Bridge at the Red River |
| State Lunatic Asylum |
| St. David's Episcopal Church |
| St. Edward's University Main Building and Holy Cross Dormitory |
| Steele House |
| Stephens County Courthouse |
| Stephenville Downtown Historic District |
| Sterling City Gulf, Colorado & Santa Fe Railway Passenger Depot |
| Stilley-Young House |
Data from United States Park Service and Wikidata
