Massachusetts - Role: Building
| Sears, David, House |
| Sears, Jacob, Memorial Library |
| Sears Roebuck and Company Mail Order Store |
| Sears Tower-Harvard Observatory |
| Second Brazer Building |
| Second Cambridge Savings Bank Building |
| Second Church in Boston |
| Second Church of Newton |
| Second O'Shea Building |
| Second Unitarian Church |
| Second Waterhouse House |
| Sever Hall, Harvard University |
| Sever, William, House |
| Sewall-Scripture House |
| S. Gourse & Sons Block |
| Shaarai Torah Synagogue |
| Shaker Farm |
| Sharon House |
| Shattuck, Moody, House |
| Shattuck, Ralph W., House |
| Shaw, Thomas Mott, Estate |
| Shea, Bridget, Three-Decker |
| Shelburne Free Public Library |
| Shepard Block |
| Shepard, Thomas, House |
| Sherburne, Warren E., House |
| Sherman, Eber, Farm |
| Sherman, William B., Farm |
| Shirley-Eustis House |
| Shoe Shop-Doucette Ten Footer |
| Short's Tavern |
| Shubert, Sam S., Theatre |
| Shumway Block |
| Sibley-Corcoran House |
| Sidelinger, George A., House |
| Simcock House |
| Simmons Block |
| Simond, Col. Benjamin, House |
| Simonds Tavern |
| Simonds, William, House |
| Simpson, Clara, Three-Decker |
| Simpson, Dr. Thomas, House |
| Simpson House |
| Simpson, James E., House |
| Sirna, Anthony and Allison, Studio |
| Skillings Estate House |
| Slater Building |
| Slowey, Patrick, House |
| Smith, A. C., & Co. Gas Station |
| Smith Alumnae Gymnasium |
| Smith, Bradford, Building |
| Smith, Curtis S., House |
| Smith, Ellen M., Three-Decker |
| Smith, Elliot, House |
| Smith, F.W., Silver Company |
| Smith, Hazadiah, House |
| Smith House |
| Smith, James, House |
| Smith, John Mace, House |
| Smith-Lyon Farmhouse |
| Smith, Marshall, House |
| Smith, Matthias, House |
| Smith, Perez, House |
| Smith-Peterson House |
| Smith's Building |
| Smith Shoe Shop |
| Smith-Thaxter-Merrifield House |
| Smith, Thomas and Esther, House |
| Smuggler's House |
| Snow, Lemuel, Jr., House |
| Society of the Congregational Church of Great Barrington |
| Soho Cottage |
| Soldiers and Sailors Memorial Building |
| Soldiers' Memorial Library |
| Somerville High School |
| Somerville Journal Building |
| Somerville Theatre |
| Soule, Lawrence, House |
| Southbridge Town Hall |
| South Center School House |
| South Congregational Church |
| Souther, John, House |
| South Harwich Methodist Church |
| South Junior High School |
| South Lancaster Engine House |
| South Main Street School |
| South Mountain Concert Hall |
| South Reading Academy |
| South School |
| South School |
| South Station Headhouse |
| South Swansea Union Church |
| South Union School |
| South Unitarian |
| Southwick, Elisha, House |
| Southwick House |
| Southwick, Israel, House |
| South Worcester Branch Library |
| Sparrow, Richard, House |
| Spaulding Block |
Data from United States Park Service and Wikidata
