New York - Criteria: C (architecture/engineering)
| Petersburgh United Methodist Church |
| Petrified Sea Gardens |
| Peugnet, Captain Louis, House |
| Peyser and Morrison Shirt Company Building |
| Pfeiffer-Wheeler American Chestnut Cabin |
| Phelps, Ezra T., Farm Complex |
| Phelps Mansion |
| Phelps, Stephen, House |
| Phelps Town Hall |
| Philadelphia Toboggan Company Carousel Number 15 |
| Philipsburgh Building |
| Philipse Manor Hall |
| Philipse Manor Railroad Station |
| Phillips, Harriet, Bungalow |
| Phillips House |
| Phillips-Manning House |
| Phoenicia Railroad Station |
| Phoenix Building |
| Phyfe, James W. and Anne Smith, Estate |
| Pi Chapter House of Psi Upsilon Fraternity |
| Pickens Hall |
| Pier 57 |
| Pierce Arrow Factory Complex |
| Pierce, Charles, House |
| Pier, Jan, House |
| Piermont Railroad Station |
| Pierpont Morgan Library |
| Pierrepont Manor Complex |
| Pierrepont Town Buildings |
| Piggot, Patrick, House |
| Pilgrim Furniture Company Factory |
| Pilgrim's Progress Road Bridge |
| Pillsbury Mountain Forest Fire Observation Station |
| Pinckney Corners Cemetery |
| Pine Grove Community Church |
| Pine Hill Historic District |
| Pines, The |
| Pines, The |
| Pine Terrace |
| Pine View Farm |
| Pioneer Building |
| Pioneer Cemetery |
| Pioneer Farm |
| Pittenger Cottage |
| Pitt, Newton M., House |
| Planting Fields Arboretum |
| Plashbourne Estate |
| Platt-Cady Mansion |
| Platt, Charles C., Homestead |
| Platte Clove Post Office, Old |
| Plaza Hotel |
| Pleasants House |
| Pleasant Valley Grange Hall |
| Pleasant Valley Wine Company |
| Plumbush |
| Plum Island Light Station |
| Plymouth Congregational Church |
| Poe Cottage |
| Poehlman House |
| Poillon-Seguine-Britton House |
| Point Chautauqua Historic District |
| Point Gratiot Lighthouse Complex |
| Point Salubrious Historic District |
| Point, The, Historic District |
| Poke-O-Moonshine Mountain Fire Observation Station |
| Pomander Walk District |
| Pomeroy Cottage |
| Pompey Centre District No. 10 Schoolhouse |
| Ponckhockie Union Chapel |
| Pontiac Hotel |
| Poor, Henry Varnum, House |
| Poppenhusen Institute |
| Poppletown Farmhouse |
| Porter House |
| Porter, Rev. Dr. Elbert S., House |
| Port Gibson United Methodist Church |
| Port Henry Fire Department Building |
| Port Jefferson Village Historic District |
| Portville Free Library |
| Post-Williams House |
| Potsdam Civic Center Complex |
| Potsdam State Normal School Campus |
| Potter, Arnold, House |
| Potter, Ephraim B., House |
| Potter Hollow District No. 19 School |
| Potter, Judge Joseph, House |
| Potter-Van Camp House |
| Potter-Williams House |
| Poughkeepsie Almshouse and City Infirmary |
| Poughkeepsie City Hall |
| Poughkeepsie Meeting House (Hooker Avenue) |
| Poughkeepsie Meeting House (Montgomery Street) |
| Poughkeepsie Railroad Bridge |
| Poughkeepsie Railroad Station |
| Poughkeepsie Savings Bank |
| Poughkeepsie Trust Company |
| Pound-Hitchens House |
| Pound Ridge Historic District |
| Powelton Club |
| Powers Building |
Data from United States Park Service and Wikidata
