Oregon - Role: Building
| Star Ranger Station Building, Old |
| Starr, Edwin and Anna, House |
| State Library of Oregon |
| Stauffer, John, House and Barn |
| St. Elizabeth Hospital (Old) |
| Stellmacher, Gus and Emma, Farmstead |
| Stephens, James B., House |
| Stettler, Frank C., House |
| Stevens Building |
| Stevens, Charles, House |
| Stewart, LaSells D., House |
| Still-Perkins House |
| St. James Episcopal Church |
| St. James Lutheran Church |
| St. John's Episcopal Church |
| St. John's Episcopal Church |
| St. Johns Signal Tower Gas Station |
| St. John the Evangelist Roman Catholic Church |
| St. Mary's Roman Catholic Church |
| Stokes, Francis Marion, Fourplex |
| Store Gulch Guard Station No. 1020 |
| Storey, George Lincoln, House |
| Stover, B. A. and Ruth, House |
| St. Patrick's Roman Catholic Church and Rectory |
| St. Paul Roman Catholic Church |
| St. Peter's Roman Catholic Church |
| St. Peter's Roman Catholic Church |
| St. Pierre, Edward W., House |
| Straight, Hiram A., House |
| Stratton, C. C., House |
| Stratton-Cornelius House |
| Strong, Alice Henderson, House |
| St. Thomas' Episcopal Church |
| Stuart, Dr., House |
| Sumpter Valley Railway Passenger Station |
| Superintendent's House |
| Supervisor's House No. 1001 |
| Supreme Court and Library Building |
| Sutherland, John, House |
| Sutherlin Bank Building |
| Svenson Blacksmith Shop |
| Swanson, Norman and Frances, House |
| Swedish Evangelical Mission Covenant Church |
| Sweek, John and Maria, House |
| Sweeney, Dr. Charles T. and Mary, House |
| Sweeney, Straub and Dimm Printing Plant |
| Swetland Building |
| Swigert, Ernest G., House |
| Talent Elementary School |
| Tanner, Albert H., House |
| Tannler-Armstrong House |
| Tarpley, Louis and Bessie, House |
| Taverner, George, House |
| Tayler-Phipps Building |
| Taylor, Dr. W.R. and Eunice, House |
| Taylor, Fred E., House |
| Taylor, George, House |
| Taylor, Jack, House |
| Taylor, Peter, House and Haehlen, Gotlieb, House |
| Telegram Building |
| Temple Beth Israel |
| Terminal Sales Building |
| The Dalles Civic Auditorium |
| Thompson, Al and Son's, Feed and Seed Company |
| Thompson, Clark, House |
| Thompson Court Apartments |
| Thompson, John L., House |
| Thompson-Roach Building |
| Tichner, Abraham, House |
| Tigard, John W., House |
| Tillamook Rock Lighthouse |
| Timberline Lodge |
| Torgler, Frederick, Building |
| Tower-Flanagan House |
| Tower, Maj. Morton, House |
| Town Club, The |
| Townley, W. J., House |
| Travelers Home |
| Trenkmann Houses |
| Trevett-Nunn House |
| Triangle Lake Round Barn |
| Tribal Hall of the Confederated Tribes of Coos, Lower Umpqua and Siuslaw Indians |
| Trinity Episcopal Church |
| Trinity Episcopal Church |
| Trinity Place Apartments |
| Troutdale Methodist Episcopal Church |
| Troy Laundry Building |
| Tualatin Academy |
| Tudor Arms Apartments |
| Tunturi, Fred, House |
| Turner, Frederick, Fourplex |
| Umatilla County Library |
| Umatilla Masonic Lodge Hall |
| Union Block |
| Union Fishermen's Cooperative Packing Company Alderbrook Station |
| Union Station |
| United Presbyterian Church and Rectory |
| United Presbyterian Church of Shedd |
| United States Post Office (Scappoose) |
| University Club |
Data from United States Park Service and Wikidata
