Massachusetts - Role: Building
| Methodist Episcopal Society of Tyringham |
| Methuen Memorial Music Hall |
| Methuen Water Works |
| Metropolitan District Commission Pumping House |
| Metropolitan District Commission Stable |
| Metropolitan Theatre |
| Miles, Charles, House |
| Milford Town Hall |
| Millard-Souther-Green House |
| Miller, Edward, House |
| Millicent Library |
| Mills, Davis, House |
| Mills-Hale-Owen Blocks |
| Mills-Stebbins Villa |
| Milton-Bradley Company |
| Minot, George R., House |
| Miss Florence Diner |
| Mission Chapel |
| Mission House |
| Miss Toy Town Diner |
| Miss Worcester Diner |
| Mitchell, Amy B., House |
| Monarch Diner |
| Monomoy Point Lighthouse |
| Monroe, Bessie, House |
| Monsignor James Coyle High School |
| Montrose, The |
| Montville Baptist Church |
| Monument Mills |
| Moody Street Fire Station |
| Moore-Hill House |
| Moore House |
| Moore, Jesse, House |
| Morewood School |
| Morgan Block |
| Morse, Amos, House |
| Morse-Barber House |
| Morse, Daniel, III, House |
| Morse, Henry, House |
| Morse, H., House |
| Morse House |
| Morse, Moses, House |
| Morse-Tay-Leland-Hawes House |
| Morse, Timothy, House |
| Moseley School |
| Mossman, Col. Adelbert, House |
| Mountain Rest |
| Mount Auburn Cemetery Reception House |
| Mount Pleasant |
| Mount, The |
| Mowers' Block |
| Mt. Prospect School for Boys |
| Munroe Building |
| Munroe, Robert, House |
| Munroe, Sarah, Three-Decker |
| Murdock School |
| Murphy, Patrick, Three-Decker |
| Murphy, William, House |
| Murray, Robert, House |
| Murray, William, House |
| Musgrove Block |
| Musketaquid Mills |
| Myrtle Street School |
| Mystic Pumping Station |
| Mystic Water Works |
| Nahant Life-Saving Station |
| Narragansett Mills |
| Nathan Warnick Apartments |
| Nazing Court Apartments |
| Nell, William C., House |
| Nelson, Christina, Three-Decker |
| Nelson, John R., House |
| Nevins, Henry C., Home for Aged and Incurables |
| Nevins Memorial Library |
| New Bay Diner Restaurant |
| New Bedford Whaling National Historical Park |
| New Boston Inn |
| Newcomb, John, House |
| Newcomb Place |
| Newell Farm |
| New England Confectionery Company Factory |
| New England Conservatory of Music |
| New England Telephone and Telegraph Engineering Office |
| New England Telephone Building |
| Newhall, Lucian, House |
| Newman, Andrew, House |
| Newman-Fiske-Dodge House |
| New Riding Club |
| Newspaper Row |
| Newton, Azariah, House |
| Newton Centre Branch Library |
| Newton, Charles, House |
| Newton City Hall and War Memorial |
| Newton, Edward B., School |
| Newton, S.D., House |
| Newton Street Railway Carbarn |
| Newton Street School |
| New York, New Haven & Hartford Passenger Depot |
| Nichols, Daniel, Homestead |
| Nichols House |
Data from United States Park Service and Wikidata
