Oregon - Area of significance: Industry
| Paulson, John E. and Christina, House |
| Peterson, J.H., Machine Shop |
| Pittock Block |
| Pittock Mansion |
| Plataurica Mine |
| Portland and Southwestern Railroad Tunnel |
| Portland Cordage Company Building |
| Portland New Chinatown-Japantown Historic District |
| Portland Thirteenth Avenue Historic District |
| Powers, Ira F., Warehouse and Factory |
| Reddy, Dr. John F. and Mary, House |
| Rice-Gates House |
| Rich Gulch Diggings |
| Ries-Thompson House |
| Riley-Cutler House |
| River Mill Hydroelectric Project |
| Salem Substation, Bonneville Power Administration |
| Schanen-Zolling House |
| Seufert House |
| Shively-McClure Historic District |
| Silverton Commercial Historic District |
| Spalding Building |
| Spaulding, Charles K., House |
| Stange, August J., House |
| Staples, Norris, House |
| Stewart, LaSells D., House |
| SUMPTER VALLEY GOLD DREDGE (dredge) |
| Sumpter Valley Railway Historic District |
| Sumpter Valley Railway Passenger Station |
| Sunken Village Archeological Site (35MU4) |
| Superintendent's House |
| Svenson Blacksmith Shop |
| Sweeney, Straub and Dimm Printing Plant |
| Swigert, Ernest G., House |
| Taylor, Jack, House |
| Taylor, Peter, House and Haehlen, Gotlieb, House |
| Thompson, Al and Son's, Feed and Seed Company |
| Union Fishermen's Cooperative Packing Company Alderbrook Station |
| Uniontown-Alameda Historic District |
| Upper Ditch |
| US Spruce Production Railroad XII, Spur 5 |
| Vinsonhaler Blacksmith Shop |
| Waldo Mine |
| Warren, Frank M., House |
| Wasco Warehouse & Milling Company Hydroelectric Project Historic District |
| Weinhard Brewery Complex |
| Weston Commercial Historic District |
| Whisky Creek Cabin |
| Wimer Ditch |
| Winchester Dam |
| Windischar's General Blacksmith Shop |
| Young, Benjamin, House and Carriage House |
| Young, John Eben, House |
Data from United States Park Service and Wikidata