All - Constructed - 1880–1889
| Shea, John J. and Agnes, House |
| Shedd-Dunn House |
| Sheffield Street Bridge |
| Shekey, Albert and Mary, House |
| Shepherd, Ted, Cottage |
| Sherman, Elijah, Farm |
| Sherman, Lampson P., House |
| Shevling, L. W., Ranch |
| Shinn Covered Bridge |
| Shoup Building |
| Sierra County Sheriff's Gallows |
| Sims, John Green, House |
| Sim Smith Bridge |
| Sinnott, Joseph, Mansion |
| Skillagalee Light Station |
| Sligh Furniture Company Building |
| Smith, Alfred E., House |
| Smith, Bradford, Building |
| Smith, Camillia, House |
| Smith, Col. Robert A., Monument |
| Smithfield Street Bridge |
| Smith, Frank and Mary, House |
| Smith, H.F., House |
| Smith, J.B., House and Granary |
| Smith, J. Harper, Mansion |
| Smith-Larsen House |
| Smith, Lauritz H. and Emma, House |
| Smith, Peter and Mary, House |
| Smith, Samuel G., Farm |
| Smith, Turner and Amelia, House |
| Smyth, Dennis A., House |
| Society of the Congregational Church of Great Barrington |
| Sonnenberg Gardens |
| Sons of Jacob Cemetery |
| Soo Line Depot |
| Soudan Iron Mine |
| Soule, C. S., House |
| Southbridge Town Hall |
| South Dakota School for the Deaf |
| South Dakota State Penitentiary Historic Buildings |
| Souther, John, House |
| Southern Hotel |
| Southern Pacific Passenger Depot |
| Southgate-Lewis House |
| South, George W., Memorial Protestant Episcopal Church of the Advocate |
| South San Francisco Opera House |
| South Union Street Historic District |
| South Washington Street Parabolic Bridge |
| South Wayne Historic District |
| Southwestern Brewery and Ice Company |
| Spaulding, Henry F., Coachman's House |
| Spencer's Crossing Bridge |
| Sperry-Smith House |
| Spring Hill Ranch |
| Squatter's Cabin |
| Squiers, J. E., House |
| Squire, Frederick, House |
| Staats Mill Covered Bridge |
| Stafford, Frederick H. and Elizabeth, House |
| Staker, James B., House |
| Stannard Rock Lighthouse |
| St. Ann's Catholic Church of Badus |
| Stansbury House |
| Stanstead, The |
| St. Anthony of Padua Roman Catholic Church |
| St. Anthony's Roman Catholic Church, Rectory, Convent, and School |
| Stanton, Lewis H., House |
| Star of Hope Lodge |
| State Soldiers and Sailors Monument |
| Station and General Office, California Southern Railroad |
| Station Road Bridge |
| Statue of Liberty Enlightening the World |
| Stauer, Peter, House |
| St. Barnabas Episcopal Church |
| St. Bartholomew's Protestant Episcopal Church and Rectory |
| St. Boniface Catholic Church Complex |
| St. Cornelia's Episcopal Church |
| St. Croix Boom Company House and Barn |
| Stearns, C. S., House |
| Steckart and Falck Double Block |
| Stedman & Fuller Manufacturing Company Complex |
| Steele, John, House |
| Stevensville Grade School-United Methodist Church |
| St. Francis Hospital |
| St. George Antiochian Orthodox Church |
| St. George's Protestant Episcopal Church |
| St. Helena Catholic Church |
| St. Ignatius High School |
| St. James Episcopal Church |
| St. John's Episcopal Church |
| St. John's Episcopal Church |
| St. John's Evangelical Lutheran Church Complex |
| St. John's Military Academy |
| St. John the Baptist Roman Catholic Church |
| St. Joseph Catholic Church |
| St. Joseph Church |
| St. Joseph's Catholic Church Complex |
| St. Joseph's Convent and School |
| St. Joseph's Roman Catholic Church of Denver |
| St. Lawrence Catholic Church |
Data from United States Park Service and Wikidata
