All - Architectural style - Colonial Revival architecture
| Plaza Apartments |
| Plaza Theatre |
| Pleasant Street School |
| Pleasant View Home |
| Pless, A.G., Jr. House |
| Plumb, Mrs. Preston B., House |
| Plummer, John A., House |
| Plymouth Post Office Building |
| Poe, Edgar Allan, House |
| Poehlman House |
| Polish National Home |
| Pond, Florence and John R., House |
| Pond Street School |
| Pope Estate |
| Porcellian Club |
| Porter House |
| Porter, Thomas V., House |
| Porter-Thomsen House |
| Portville Free Library |
| Posey, John V. G., House |
| Potter, Ephraim B., House |
| Potter House |
| Poughkeepsie Meeting House (Hooker Avenue) |
| Prairie County Courthouse |
| Pratt Historic Building |
| Prescott Memorial Library-Louisiana Tech University |
| President's Home |
| President's House |
| President's House at Texas College |
| President's House, Bluefield State College |
| President's House, Naval War College |
| Presidio |
| Preston, Thaddeus and Josepha, House |
| Price, Fred, Bungalow |
| Prince George Hotel |
| Princeton Club |
| Prindle, William, Livery Stable |
| Pritchard, Dr. William B., House |
| Prochnow House |
| Proctor House |
| Professional Building |
| Prospect Hill School |
| Prospect House |
| Providence Court |
| Pryor House |
| Purinton House |
| Pyatt School Building |
| Pyle, Glenn O. and Lucy O., House |
| Qheguechan Club |
| Quick, John Herbert, House |
| Quincy Electric Light and Power Company Station |
| Quincy Point Fire Station |
| Quincy School |
| Quinlan, Charles and Annie, House |
| Rabalais House |
| Radwell Cottage |
| Raleigh Water Tower |
| Ramey House |
| Ram Point |
| Ramsey County Sheriff's House |
| Randall Junior High School |
| Ransbottom, Mort, House |
| Ravennaside |
| Ray, Clyde H., Sr., House |
| Raziano House |
| Reading Town Hall |
| Ream, William and Nora, House |
| Record, Judson, House |
| Redding House |
| Redesdale |
| Redfield-Romine House |
| Red Fox Inn |
| Red Hills |
| Redmont Garden Apartments |
| Red Top |
| Reed, Mrs. Kersey Coates, House |
| Reedsburg Post Office |
| Reeves Tavern |
| Reid House |
| Reidsville High School, Former |
| Reinhart, Jacques and Amelia, House |
| Renner, George J., Jr., House |
| Rensselaer Society of Engineers House |
| Renwick House |
| Requa House |
| Rescue Hook & Ladder Company No. 1 Firehouse |
| Retan, Albert, House |
| Reverie Cove |
| Reynolds, George, House |
| Reynolds House |
| Rhode Island Medical Society Building |
| Ribault Inn Club |
| Rice, Ida M., House |
| Richards, Alfred H., House |
| Richards Free Library |
| Richland |
| Richmond Academy of Medicine |
| Richmond Congregational Church |
| Richter, Charles Samuel, House |
| Ricks, Ferdinand A., House |
Data from United States Park Service and Wikidata
