Massachusetts - Significance region: Local
| Peabody School |
| Peabody, The |
| Peak House |
| Pearl Street School |
| Peck-Bowen House |
| Peck, John M., House |
| Peirce, Edward, House-Henderson House of Northeastern University |
| Peirce School |
| Pepperell Center Historic District |
| Pequoig Hotel |
| Perkins, Joseph, House |
| Perry Avenue Historic District |
| Perry, James, House |
| Pest House |
| Petersham Common Historic District |
| Pettengill, C. F., House |
| Petterson, Lars-Adolph Carlson Three-Decker |
| Petterson, Lars-Fred Gurney Three-Decker |
| Petterson,Lars-James Reidy Three-Decker |
| Petterson, Lars-Silas Archer Three-Decker |
| Pettibone Farm |
| Phillips, E. M., House |
| Phillipston Center Historic District |
| Phillips Woolen Mill |
| Phoenix Building |
| Pierce, Capt, Mial, Farm |
| Pierce Farm Historic District |
| Pierce, F. Lincoln, Houses |
| Pierce House |
| Pierce House |
| Pierce Organ Pipe Factory |
| Pierce, Peter, Store |
| Pierce, Sylvester K., House |
| Piety Corner Historic District |
| Pilgrim Congregational Church |
| Pilgrim Congregational Church |
| Pilgrim Memorial Church and Parish House |
| Pill Hill Historic District |
| Pillsbury Summer House |
| Pine Grove Cemetery |
| Pine Grove Cemetery |
| Pine Grove Cemetery |
| Pine Ridge Road-Plainfield Street Historic District |
| Pine Street School |
| Pinkham House |
| Pinkham, Lydia, House |
| Pinkham, Richard, House |
| Pittsfield Cemetery |
| Pittsfield & North Adams Passenger Station and Baggage & Express House |
| Plainfield Center Historic District |
| Platts-Bradstreet House |
| Pleasant-High Historic District |
| Pleasant-School Street Historic District |
| Pleasant Street Congregational Church |
| Pleasant Street Historic District |
| Pleasant Street Historic District |
| Pleasant Street School |
| Pleasant Street School |
| Plimpton, Simon, Farmhouse |
| Plimpton-Winter House |
| Plummer Memorial Library |
| Plymouth Post Office Building |
| Plympton Village Historic District |
| Point Neighborhood Historic District |
| Polish National Home |
| Poli's Palace Theater |
| Pomeroy Terrace Historic District |
| Pond Hill School |
| Pond Street School |
| Pondville Cemetery |
| Poor House and Methodist Cemetery |
| Porcellian Club |
| Port Royal House |
| Potter-O'Brian House |
| Power, Charles Whittlesey, House |
| Powers Institute Historic District |
| Pratt, Capt. Josiah, House |
| Pratt, Dexter, House |
| Pratt-Faxon House |
| Pratt Historic Building |
| Pratt House |
| Pratt, Miles, House |
| Pratt, Stillman, House |
| Prentiss-Payson House |
| Prentiss, William, House |
| Prescott, Gustavus G., House |
| Prescott Town House |
| Pressey-Eustis House |
| Primrose Street Schoolhouse |
| Prince Hall Mystic Cemetery |
| Princeton Center Historic District |
| Printers Building, The |
| Proctor, John, House |
| Proctor, William, House |
| Produce Exchange Building |
| Prospect-Gaylord Historic District |
| Prospect Heights Historic District |
| Prospect Hill Cemetery |
| Prospect Hill School |
| Prospect House |
Data from United States Park Service and Wikidata
