New York - Area of significance: Architecture
| Payne, William A., House |
| Peabody, Royal C., Estate |
| Peachcroft |
| Pearl Street Schoolhouse |
| Pease, Daniel and Miriam, House |
| Peck, Henry M., House |
| Peck House |
| Peck, J. Franklin, House |
| Peck Memorial Library |
| Peck, Thomas, Farmhouse |
| Peck, Waltrous, House |
| Peekskill Downtown Historic District |
| Peekskill Freight Depot |
| Peekskill Presbyterian Church |
| Pelhamdale |
| Pelham Parkway Station (Dual System IRT) |
| Pelham Picture House |
| Pelton, Gideon, Farm |
| Penfield Road Historic District |
| Pennsylvania Railroad Station |
| Penn Yan Historic District |
| Pentacostal Holy Temple Church of Jesus Christ |
| People's African Methodist Episcopal Zion Church |
| Peoples National Bank and Trust Company Building |
| Perry Downtown Historic District |
| Perry, Ezikial, House |
| Perry, Jacob P., House |
| Perry, Stuart and William Swezey Houses |
| Perry Village Hall |
| Peterboro Land Office |
| Peterboro Street Elementary School |
| Petersburgh United Methodist Church |
| 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 |
| Philipsburgh Building |
| Philipse Manor Hall |
| Philipse Manor Railroad Station |
| Phillips, Harriet, Bungalow |
| Phillips House |
| Phillips-Manning House |
| Philmont Historic District |
| Phoenicia Railroad Station |
| Phoenix Building |
| Phyfe, James W. and Anne Smith, Estate |
| Pi Chapter House of Psi Upsilon Fraternity |
| Pickens Hall |
| Pierce Arrow Factory Complex |
| Pierce, Charles, House |
| Pierce, Levi J. and Frances A., House |
| Pier, Jan, House |
| Piermont Railroad Station |
| Pierpont Morgan Library |
| Pierrepont Manor Complex |
| Pierrepont Town Buildings |
| Piggot, Patrick, House |
| Pig Knoll School |
| Pilgrim Furniture Company Factory |
| Pillsbury Mountain Forest Fire Observation Station |
| Pine Grove Community Church |
| Pine Hill Historic District |
| Pines of Perinton Apartments |
| Pines, The |
| Pines, The |
| Pine Terrace |
| Pine View Farm |
| Pink House, The |
| Pioneer Building |
| Pioneer Farm |
| Pittenger Cottage |
| Pitt, Newton M., House |
| Pittsford Village Historic District |
| 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 O’Woods Historic District |
| Point Salubrious Historic District |
| Point, The, Historic District |
| Poke-O-Moonshine Mountain Fire Observation Station |
| Polvino Building |
| Pomander Walk District |
| Pomeroy Cottage |
Data from United States Park Service and Wikidata