All - Architectural style - Second Empire architecture in the United States and Canada
| Redmond-Shackelford House |
| Reeb House |
| Reed, Isaac, House |
| Reversible Collar Company Building |
| Reynolds, John R., House |
| Rivercene |
| Rizer, Y. M., House |
| Roak Block |
| Robinson-Macken House |
| Robison Mansion |
| Rowhouses at 303-327 East North Avenue |
| Roy, Dr. E. G., House |
| Ruffner, Peter E., House |
| Sacket, General, House |
| Sanders, G. O., House |
| Sandwich City Hall |
| Sanford, George L., House |
| Sargent-Roberts House |
| Savings Bank Block |
| Scarsdale Woman's Club |
| Schofield, James, House |
| Schollmeyer Building |
| Schornstein Grocery and Saloon |
| Scott County Courthouse |
| Scudder, Dr. John A., House |
| Scutt, Hiram B., Mansion |
| Security Building |
| Sharon, Fred B., House |
| Sharp's Oakland |
| Sheldon, Theodore B., House |
| Shippen, Judge Henry, House |
| Shook, Col. A. M., House |
| Simonds, William, House |
| Sincer, Louis, House |
| Slate House |
| Sloat-Horn-Rossell House |
| Smith-Cosgrove House |
| Smith, Williams, House |
| Smyth, Dennis A., House |
| South Hall |
| Spafford, Amos Catlin, House |
| Speaker, Charles, House |
| Spencer's Landing |
| Sprenger Brewery |
| Sproul's Cafe |
| Stafford Bank and Opera House |
| Stager-Beckwith House |
| St. Aloysius Orphanage |
| Standard Printing Company |
| Stanford-Lathrop House |
| St. Charles Odd Fellows Hall |
| Stevens, Daniel, House |
| St. Joseph Convent and Academy |
| St. Joseph's Orphanage |
| St. Joseph's School |
| Stone, Gen. Asahel, Mansion |
| Stoneholm |
| Stonington High School |
| Stover, Isaac, House |
| St. Patrick's Catholic Church and Rectory |
| Strivers' Section Historic District |
| St. Sophia Home of the Little Sisters of the Poor |
| Stubbs, Elizabeth, House |
| Sumner, Charles, School |
| Sutton County Courthouse |
| Sutton, Dr. George, Medical Office Building |
| Swan, Edward H., House |
| Sweet, Ira B., House |
| Sylvan Building |
| Tabor Home for Needy and Destitute Children |
| Tate House |
| Taylor, George, House |
| Temple, Joseph, House |
| Texas Hall, Old Trinity University |
| Thomas, H. H., House |
| Thompson-Fasbender House |
| Thompson House |
| Thumb, Tom, House |
| Tobey Homestead |
| Toussaint, Winand, House |
| Trinity Episcopal Church Rectory |
| Troy Savings Bank and Music Hall |
| Tubbs-Sourwine House |
| Tueller, Jacob, Jr., House |
| Tweed, Judge Charles Austin, House |
| Underwood, Oscar W., House |
| University Of Virginia Historic District |
| Urban Rowhouse |
| Urban Rowhouse |
| USCO Church, The |
| U.S. Customhouse and Post Office |
| Utica Public Library |
| Vance-Maxwell House |
| Vanderbeck House |
| VanDerventer-Brunson House |
| VanDyke-Libby House |
| Van Dyke, Peter, House |
| Van View |
| Van Wert County Courthouse |
| Veazie, Jones P., House |
Data from United States Park Service and Wikidata
