Oregon - Constructed - 1920–1929
| Alpha Phi Sorority House |
| Ambassador Apartments |
| Antelope Creek Covered Bridge |
| Antelope School |
| Astor Building |
| Astoria Column |
| Astoria Victory Monument |
| Astor, John Jacob, Hotel |
| Auto Freight Transport Building of Oregon and Washington |
| Autzen, Thomas J., House |
| Bagdad Theatre |
| Ball-Ehrman House |
| Benton Hotel |
| Brick House Beautiful |
| Chambers Bridge |
| Cherry, Peter L., House |
| Clovelly Garden Apartments |
| Columbia Gorge Hotel |
| Congress Apartments |
| Coos Bay National Bank Building |
| Depoe Bay Bridge No. 01388 |
| Dundee Lodge |
| Dutchman Peak Lookout |
| Elk Lake Guard Station |
| Elsinore Theater |
| Fairbanks, J. Leo, House |
| First Congregational Church |
| Frenchglen Hotel |
| Grey, Zane, Cabin |
| Harlow, Elmer, House |
| Heathman Hotel |
| Hershberger Mountain Lookout |
| Hoodoo Ridge Lookout |
| J. K. Gill Company Building |
| Jones Cash Store |
| Keller, Edward H. and Bertha R., House |
| Kerr, Albertina, Nursery |
| Lane-Miles Standish Company Printing Plant |
| Lithia Springs Hotel |
| Louise Home Hospital and Residence Hall |
| Mallory Avenue Christian Church |
| McDonald Theater Building |
| New Heathman Hotel |
| Oregon Caves Historic District (Boundary Increase) |
| Paramount Theatre |
| Pine Grove Community House |
| Posey, John V. G., House |
| Public Service Building and Garage |
| Rocky Creek Bridge No. 01089 |
| Ruby, Alfred C. and Nettie, House |
| Salerno Apartments |
| Schaefers Building |
| Sovereign Hotel |
| Spies-Robinson House |
| Stover, B. A. and Ruth, House |
| Tannler-Armstrong House |
| Temple Beth Israel |
| The Dalles Civic Auditorium |
| Thompson Court Apartments |
| Trinity Episcopal Church |
| Tunturi, Fred, House |
| Turner, Frederick, Fourplex |
| Vista Avenue Viaduct |
| Whiteside, Charles and Ibby, House |
| Willow Prairie Cabin |
Data from United States Park Service and Wikidata
