New Jersey - Role: Building
| Kay-Evans Farm |
| Kearney, Edward S., House |
| Kearny, Lawrence, House |
| Kelly, Eugene V., Carriage House |
| Kemble, Peter, House |
| Kennedy House and Mill |
| Keuffel and Esser Manufacturing Complex |
| King Block |
| Kingsland Manor |
| King Store and Homestead |
| Kip Homestead |
| Kirby's Mill |
| Kirch-Ford House |
| Kline Farmhouse |
| Kossuth Street School |
| Kovenhoven |
| Krueger Mansion |
| Kuser, Rudolph V., Estate |
| Labor Bank Building |
| Ladd's Castle |
| Lafayette School |
| Laing House of Plainfield Plantation |
| Lake Hopatcong Yacht Club |
| Lambertville House |
| Lander-Stewart Mansion and Stites Building |
| Landis Theatre-Mori Brothers Building |
| Lansdown |
| Lauriston |
| Lawnside School |
| Lawrence Mansion |
| Lawson, James and Mary, House |
| Layton, Richard, House |
| Leaming, Thomas, House |
| Leigh, Ichabod, House |
| Liberty Hall (Livingston, Gov. William, House) |
| Liberty Hotel |
| Lindenwold |
| Linn, Alexander and James, Homestead |
| Linwood Borough School No. 1 |
| Littel-Lord Farmstead |
| Little Egg Harbor Friends Meeting House |
| Little Red Schoolhouse |
| Little Silver Station |
| Livingston Homestead |
| Locktown Baptist Church |
| Loew’s Jersey Theatre |
| Log Cabin Lodge |
| Long-A-Coming Depot |
| Longstreet Farm |
| Low, Effingham, House |
| Lozier House and Van Riper Mill |
| Lucas, John, House |
| Lucy, the Margate Elephant |
| Ludlam, Henry, House |
| Ludlam, Thomas Jr., House |
| Lydecker, Garret, House |
| Lyons Station |
| Macedonia African Methodist Episcopal Church |
| MacGregor-Tallman House |
| Maddock's, Thomas, Sons Company |
| Madison Hotel |
| Madison Masonic Lodge |
| Madison Public Library and the James Building |
| Madison Station |
| Main Post Office |
| Main Street Friends Meeting House |
| Maloney, Martin, Cottage |
| Manahawkin Baptist Church |
| Manasquan Friends Meetinghouse and Burying Ground |
| Manitou Park School House |
| Mansion House |
| Maple Avenue School |
| Maplewood |
| Maplewood Municipal Building |
| Marcouse Building |
| Marine National Bank |
| Marsellis House |
| Marshall, James W., House |
| Marshall, Robert, House |
| Maskel, Thomas, House |
| Masker House |
| Matawan Station |
| Maurice River Lighthouse |
| Maybury Hill |
| Mays Landing Presbyterian Church |
| Maywood Railroad Station |
| McDonald's-Kline's Mill |
| McKinney, David, Mill |
| McLeod-Rice House |
| Meadowburn Farm |
| Meadows, The |
| Mechlins Corner Tavern |
| Mecum, William and Margaret, House |
| Memorial Presbyterian Church |
| Mercer Street Friends Center |
| Merchants' and Drovers' Tavern |
| Merino Hill House and Farm |
| Merriam, Henry W., House |
| Methodist Episcopal Church |
| Methodist Episcopal Church of Hibernia |
Data from United States Park Service and Wikidata
