All - Constructed - 1830–1839
| Osterville Baptist Church |
| Page, Williamson, House |
| Palmer, Thomas H., House |
| Parsonsfield Seminary |
| Paul Family Farm |
| Paxton House |
| Pemberton's Headquarters |
| Percy District School House, (Former) |
| Petaluma Adobe |
| Peyton House |
| Piney Point Coast Guard Light Station |
| Planters Hall |
| Poe, Edgar Allan, House |
| Ponce De Leon Inlet Lightstation |
| Poplar Hill |
| Porter House |
| Portier, Bishop, House |
| Pottawatomie Lighthouse |
| Poughkeepsie Savings Bank |
| Pound-Hitchens House |
| Prairie Spring Hotel |
| Prattsville Reformed Dutch Church |
| Presentation Academy |
| Proprietors Meeting House and Parish House |
| Prospect House |
| Pugh, Capt. David, House |
| Pulver-Bird, House |
| Racine Harbor Lighthouse and Life Saving Station |
| Railroad Hotel |
| Rancho Los Alamitos |
| Randel, Culver House and Mill |
| Randolph-Macon College Buildings |
| Raney, David G., House |
| Ravenna |
| Raymond, Isaac M., Farm |
| Read School |
| Reformed Church of Newtown Complex |
| Reformed Dutch Church of Blawenburg |
| Reformed Dutch Church of New Hurley |
| Reynoldsburg-Paris Road |
| Rice-Dodge-Burgess Farm |
| Riegel, Benjamin, House |
| Riverside Farm |
| Robbins Reef Light Station |
| Rockwell, Samuel, House |
| Rocky River Presbyterian Church |
| Rodney Presbyterian Church |
| Rombach Place |
| Romer Shoal Light Station |
| Rose Hill |
| Rucker, Benjamine, House |
| Russell, Susan, House |
| Saginaw River Light Station |
| Sailors' Snug Harbor National Register District |
| San Antonio de Padua del Quemado Chapel |
| Sandbar Plantation House |
| Sanderson-Clark Farmhouse |
| Sand Island Light |
| Sandy Ground Historic Archeological District |
| Sasser Farm |
| Searcy House |
| Seay, William Washington, House |
| Seguine House |
| Selkirk Lighthouse |
| Sharp Burial Ground |
| Shedd, Josiah and Lydia, Farmstead |
| Shelton House |
| Shirley, James, House |
| Shobe-Morrison House |
| Shot Tower |
| Shull, Henry, Farmhouse Inn |
| Sibley, Henry H., House |
| Smith, John, Farm |
| Smithson-McCall Farm |
| Smithville Seminary |
| Smith, Zebulon, House |
| Snow, Dudley, House |
| South Bend City Cemetery |
| South Brick House |
| Southern National Bank |
| South Harwich Methodist Church |
| Spaulding House |
| Spoon, A. L., House |
| Starksboro Village Meeting House |
| State Bank of Indiana, Branch of (Memorial Hall) |
| St. Bartholomew's Episcopal Church |
| Stewart, Amelia, House |
| St. Germain dit Gauthier House |
| St. James Church |
| St. James the Greater Catholic Mission |
| St. Luke's Episcopal Church |
| St. Marks Lighthouse |
| St. Mary's Church Complex Historic District |
| St. Mary's of the Mountain Church |
| St. Mary's Roman Catholic Church |
| St. Milachi Church |
| Stone Bridge |
| Stone Building |
| Stone Farmhouse |
| Stoney Creek Independent Presbyterian Chapel of Prince William Parish |
Data from United States Park Service and Wikidata
