All - Constructed - 1870–1879
| State Hospital Gatehouse |
| State Lunatic Hospital at Danvers |
| St. Bridget's Roman Catholic Church Complex |
| St. Cecilia's Church and Convent |
| St. Colman's Roman Catholic Church and Cemetery |
| Steam Engine Company No. 7 |
| Stein, Daniel, House |
| Stephens, Judge Nelson T., House |
| Stephenson County Courthouse |
| Stepping Stones Light Station |
| Steuben County Jail |
| Stewart, John, Houses |
| Stewart-Woolley House |
| St. George Tabernacle |
| St. Helena Island Light Station |
| St. Ignatius College |
| St. James Episcopal Church and Rectory |
| St. Johnsbury Athenaeum |
| St. John's Catholic Church |
| St. John's Church and Rectory |
| St. John's Episcopal Church |
| St. John's Episcopal Church and Rectory |
| St. John the Baptist R. C. Church and Rectory |
| St. Joseph Church |
| St. Joseph's Church and Friary |
| St. Joseph's Church Complex |
| St. Joseph's Mission |
| St. Joseph's Roman Catholic Church |
| St. Joseph's Roman Catholic Church |
| St. Louis, Besancon, Historic District |
| St. Luke's Episcopal Church Complex |
| St. Mark's Episcopal Cathedral |
| St. Mark's Episcopal Church |
| St. Mary's Cathedral |
| St. Mary's Catholic Church |
| St. Mary's Catholic Church |
| St. Matthew's Episcopal Church |
| St. Maurice Methodist Church |
| St. Michael's Episcopal Church |
| Stone, Capt. Nataniel, House |
| Stout, James C. and Agnes M., House |
| St. Patrick's Roman Catholic Church |
| St. Paul's English Lutheran Church |
| St. Paul's Episcopal Cathedral |
| St. Paul's Episcopal Church |
| St. Paul's Methodist Church |
| St. Paul's Methodist Episcopal Church South |
| St. Peter Church |
| St. Peter's Church |
| St. Peter's Episcopal Church of Germantown |
| Strafford Railroad Station |
| Strickland, A.D., Store |
| Strivers' Section Historic District |
| St. Stanislaus Church |
| St. Stephen's Episcopal Church |
| Stuckslager, Harrison, House |
| Stuewe House |
| Stussi, Henry, House |
| SUCCESS (scow schooner) Shipwreck |
| Sumner, Charles, High School |
| Sumner, Charles, School |
| Sunday River Bridge |
| Sunnybank |
| Sunnyhill Home |
| Sunny Side |
| Superior Avenue Viaduct |
| Sutherland, D. H., House |
| Sutter Creek Grammar School |
| Sutton, Warner P., House |
| Swartz Covered Bridge |
| Swayze, E. S., Drugstore/Otisville Mason Lodge No. 401 |
| Sweet, Albert, House |
| Tabor School |
| Taggart, F.P., Store |
| Talbot, James R., House |
| Tama County Jail |
| Tanner, Henry O., House |
| Tate County Courthouse |
| Taylor, Elisha, House |
| Taylor, Lucy Hobbs, Building |
| Teller House |
| Temple Beth El Cemetery |
| Temple, Joseph, House |
| Tenafly Station |
| Tenth Ward Square |
| Teske Farmstead |
| Thimble Shoal Light Station |
| Third Judicial District Courthouse |
| Third Street Bethel A.M.E. Church |
| Third Ward School |
| Thirty Mile Point Light |
| Thomas, Alma, House |
| Thomas, James A., Farm |
| Thomas Point Shoals Light Station |
| Thomasville Railroad Passenger Depot |
| Thompkins, Jennie S., House |
| Thomson, C.R., House and Barn |
| Tilden, Daniel, House |
| Timm, Herman C., House |
| Toll House |
Data from United States Park Service and Wikidata
