Oregon - Significance region: Local
| Parsons, John and Elsie, House |
| Parsons, Reginald, Dead Indian Lodge |
| Paterson, Thomas M. and Alla M., House |
| Patterson-Stratton House |
| Patton, Hamilton and Edith, House |
| Patton Home |
| Paulson-Gregory House |
| Paulson, John E. and Christina, House |
| Paulus, Christopher, Building |
| Peacock Lane Historic District |
| Pearson Mortuary |
| Peck Bros. and Bartle Tire Service Company Building |
| Pedigrift, S. and Sarah J., House |
| Peerless Rooms Building |
| Peery, E.C., Building |
| Peil, Emil and Alice Applegate, House |
| Pelton, John and Charlotte, House |
| Pepper, Jim, House |
| Pernot, Dr. Henry S., House |
| Petersen Apartments |
| Peterson, J.H., Machine Shop |
| Petzold, Richard B., Building |
| Petzold, Richard, House |
| Pfunder, Louis, House |
| Philomath College |
| Phoenix Pharmacy |
| Pi Beta Phi Sorority House |
| Pickel, Dr. E. B., Rental House |
| Pictograph Site |
| Pierce, Edgar T., House |
| Piggott, Charles, House |
| Pilot Butte Canal: Downtown Redmond Segment Historic District |
| Pilot Butte Canal Historic District |
| Pine Grove Community House |
| Piper, Charles, Building |
| Pipes Family House |
| Pipes, George, House |
| Pipes, Martin Luther, House |
| Pittock Block |
| Plataurica Mine |
| Pleasant Grove Presbyterian Church |
| Point Comfort Lodge |
| Polhemus, James S., House |
| Polk County Bank |
| Poole, Otho, House |
| Port, Dr. Luke A., House |
| Porter-Brasfield House |
| Portland Buddhist Church |
| Portland Cordage Company Building |
| Portland Fire Station No. 17 |
| Portland Fire Station No. 23 |
| Portland Fire Station No. 7 |
| Portland Garden Club |
| Portland Golf Club Clubhouse and Golf Course |
| Portland New Chinatown-Japantown Historic District |
| Portland Police Block |
| Portland Railway, Light and Power Sellwood Division Carbarn Office and Clubhouse |
| Portland Sanitarium Nurses' Quarters |
| PORTLAND (Steam Tug) |
| Portland Thirteenth Avenue Historic District |
| Portland Van and Storage Building |
| Port-Manning House |
| Postal Building |
| Postal Employees Credit Union |
| Post and King Saloon |
| Potter, Miles B. and Eleanor, House |
| Potter, Wallace and Glenn, House |
| Poultry Building and Incubator House |
| Powell, Curtis W., House |
| Powers, Ira F., Building |
| Powers, Ira F., Warehouse and Factory |
| Pracht, Humboldt, House |
| Prager-Lombard House |
| P Ranch |
| Preston, Charles, House |
| Price, O. L., House |
| Prince, Thomas, House |
| Prospect Hotel |
| Psi Alpha Chapter, Chi Omega House |
| Public Service Building and Garage |
| Putnam, George Palmer and Dorothy Binney House |
| Putnam-Neff House |
| Quackenbush Hardware Store |
| Raabe, Capt. George, House |
| Railway Exchange Building and Huber's Restaurant |
| Ralston, John and Lottie, Cottage |
| Ralston, John, House |
| Rand, Ed, House |
| Rand Ranger Station |
| Ray, Harold Wass, House |
| Raymond, Jessie M., House |
| Reames, Alfred Evan, House |
| Reddy, Dr. John F. and Mary, House |
| Redmond Downtown Historic District |
| Redwoods Hotel |
| Reed-Cobb-Bowser House and Barn |
| Reed Opera House and McCornack Block Addition |
| Reed, Rosamond Coursen and Walter R., House |
| Reed-Wells House |
| Reese and Redman General Merchandise Store |
Data from United States Park Service and Wikidata
