New Jersey - Role: Building
| Metlar House |
| Metuchen Borough Hall |
| Meyerhoff, John, House |
| Mickle, Samuel, House |
| Midland School |
| Miller-Cory House |
| Miller, George A., House |
| Miller-Kingsland House |
| Miller-Rinehard Farmstead |
| Millington Schoolhouse |
| Millington Station |
| Mills, Timothy, House |
| Milltown India Rubber Company |
| Millville's First Bank Building |
| Monastery and Church of Saint Michael the Archangel |
| Monmouth Boat Club |
| Montclair Art Museum |
| Montclair Railroad Station |
| Montville Schoolhouse |
| Moorestown Friends School and Meetinghouse |
| Moravian Church |
| Morgan, George Jr., and Sarah, House |
| Morgan, Griffith, House |
| Morris County Courthouse |
| Morris Mansion and Mill |
| Morris Plains Station |
| Morristown School |
| Morton Hotel |
| Morton Memorial Laboratory of Chemistry |
| Morven |
| Mott, Peter, House |
| Mott School and Second Street School |
| Mountain Avenue Station |
| Mountain Station |
| Mount Bethel Baptist Meetinghouse |
| Mount Bethel Methodist Church |
| Mount Freedom Presbyterian Church |
| Mount Hope Miners' Church |
| Mount Kemble Home |
| Mount Pleasant School |
| Mount Salem Methodist Episcopal Church |
| Mount Vernon School |
| Mount Zion African Methodist Episcopal (AME) Church |
| Mount Zion African Methodist Episcopal Church and Mount Zion Cemetery |
| Mulford House |
| Murphy Varnish Works |
| Murray Hill Station |
| Music Hall |
| Mutual Benefit Life Insurance Company |
| Myers-Masker House |
| Nagle, John, House |
| Nassau Hall, Princeton University |
| Nast, Thomas, Home |
| National Musical String Company |
| National State Bank |
| Naugle, Henry, House |
| Naugle House |
| Naugle, Isaac, House |
| Neighbor, Jacob Wise (J. W.), House |
| Neighbor, Leonard, Farmstead |
| Netherwood Station |
| Newark Broad Street Station |
| Newark City Hall |
| Newark Female Charitable Society |
| Newark Metropolitan Airport Buildings |
| Newark Orphan Asylum |
| New Asbury Methodist Episcopal Meetinghouse |
| Newbold, Barzillai, House |
| Newbold, William and Susannah, House |
| New Brunswick Station |
| New Jersey Bell Headquarters Building |
| New Jersey Division of Motor Vehicles Building |
| New Jersey Hall |
| New Jersey Manual Training and Industrial School for Colored Youth |
| New Jersey Safe Deposit and Trust Company |
| New Milford Plant of the Hackensack Water Company |
| New North Reformed Low Dutch Church |
| New Point Baptist Church |
| New St. Mary's Episcopal Church |
| Newton Friends' Meetinghouse |
| Newton Union Schoolhouse |
| New York Susquehanna & Western Railroad Station |
| Nicholson, Abel and Mary, House |
| Nicholson, Sarah and Samuel, House |
| Nitschke, Oswald J., House |
| North Church |
| North Long Branch School-Primary No. 3 |
| North Pemberton Railroad Station |
| North Reformed Church |
| North Shrewsbury Ice Boat and Yacht Club |
| Nothnagle, C. A., Log House |
| Oak Dell |
| Oakes Estate |
| Oakwood |
| O'Blenis House |
| Ocean City 34th Street Station |
| Ocean City City Hall |
| Ocean City, NJ Life-Saving Station |
| Ocean City Tenth Street Station |
| Ocean County Courthouse |
Data from United States Park Service and Wikidata
