New Hampshire - Role: Building
| Pickering House |
| Pierce, Franklin, Homestead |
| Pierce, Franklin, House |
| Pike House |
| Pillsbury Memorial Hall |
| Pinkham, Daniel, House |
| Piper, Rufus, Homestead |
| Piper, Solomon, Farm |
| Plainfield Town Hall |
| Plaistow Carhouse |
| Pleasant View Home |
| Plumer-Jones Farm |
| Plummer Homestead |
| Point Comfort |
| Pointfield |
| Porter, General, House |
| Portsmouth Athenaeum |
| Portsmouth Cottage Hospital |
| Portsmouth Harbor Light |
| Portsmouth Public Library |
| Potter Place Railroad Station |
| Prescott, Benjamin Franklin, House |
| Protectworth Tavern |
| Public Market |
| Pumpelly Studio |
| Purnell House |
| Queensbury Mill |
| Raubold House |
| Raymond Boston and Maine Railroad Depot |
| Reade, Michael, House |
| Reed, Isaac, House |
| Religious Society of Friends Meetinghouse |
| Remick, Capt. Enoch, House |
| Richards, Dexter, & Sons Woolen Mill |
| Richards Free Library |
| Richardson, Abijah, Sr., Homestead |
| Richardson, Deacon Abijah, House |
| Richardson, John, Homestead |
| Richardson, Luke, House |
| Richmond Community Church |
| Richmond School House No. 6 |
| Richmond Town Hall |
| Robbe, James, Jr., House |
| Robie's Country Store |
| Rockingham Hotel |
| Rocks Estate |
| Rogers, George, House |
| Rolfe Barn |
| Rollinsford Grade School |
| Rollinsford Town Hall |
| Rollins, Gov. Frank West, House |
| Rossiter, William, House |
| Rowe, Benjamin, House |
| Rundlet-May House |
| Russell-Colbath House |
| Rye Town Hall |
| Salisbury Academy Building |
| Sanborn Seminary |
| Sanders, G. O., House |
| Sandown Depot, Boston and Maine Railroad |
| Sandown Old Meetinghouse |
| Sawyer Building |
| Sawyer-Medlicott House |
| Sawyer Tavern |
| Scamman Farm |
| Scranton House |
| Searles School and Chapel |
| Seavey House |
| Second Free Baptist Church |
| Sewall, Edward, Garrison |
| Shapley Town House |
| Shedd-Porter Memorial Library |
| Sherburne, Henry, House |
| Signer's House and Matthew Thornton Cemetery |
| Silver Lake Farm |
| Smith and Dow Block |
| Smith Chapel |
| Smith, Gov. John Butler, House |
| Smith-Mason Farm |
| Smith Meeting House |
| Smith, Simeon P., House |
| Smyth Public Library |
| Smyth Tower |
| Somoresworth High School |
| South Congregational Church |
| South Danbury Christian Church |
| South Meetinghouse |
| South Parish |
| South Sutton Meeting House |
| Sphinx Tomb |
| Springfield Town Hall and Howard Memorial Methodist Church |
| Spring Hill Farm |
| Spur House |
| Square Schoolhouse |
| St. Andrew's By-The-Sea |
| Stanley Tavern |
| St. Anne Church |
| Stark, Gen. George, House |
| Stark, Gen. John, House |
| Stark Union Church |
Data from United States Park Service and Wikidata
