New Hampshire - Role: Building
| Learned Homestead |
| Leavitt Farm |
| Lehoullier Building |
| Lempster Meetinghouse |
| Libby Museum |
| Lisbon Inn |
| Little Red School House 1835 District No. 7 |
| Littleton Community House & Annex |
| Littleton Town Building |
| Locke, Elijah, House |
| Long, William H., Memorial |
| Loudon Town Hall |
| Lovett's by Lafayette Brook |
| Lower Intervale Grange #321 |
| Lower Warner Meetinghouse |
| MacPheadris-Warner House |
| Madison School, District No. 1 |
| Manchester City Hall |
| Markham House |
| Marshall, Benjamin, House |
| Martin, Micajah, Farm |
| Mason House |
| Mason-Watkins House |
| McClure-Hilton House |
| McKenna Cottage |
| Meetinghouse, The |
| Meredith Public Library |
| Meriden Town Hall |
| Merrimack County Bank |
| Merrimack County Courthouse |
| Milford Cotton and Woolen Manufacturing Company |
| Milford Town House and Library Annex |
| Millville School |
| Milton Town House |
| Minot-Sleeper Library |
| Moffatt-Ladd House |
| Mont Vernon Town Hall |
| Mooney, Washington, House |
| Moore Farm and Twitchell Mill Site |
| Morrill, John J., Store |
| Morrill-Lassonde House |
| Morse, Asa, Farm |
| Morse, Capt. Thomas, Farm |
| Morse, Eli, Farm |
| Moses-Kent House |
| Mothers' and Daughters' Club House |
| Moultonborough Town House |
| Mountain View Farm |
| Mount Washington Hotel |
| Neal, James, House |
| Needham House |
| Nelson Schoolhouse |
| Nettleton House |
| New Castle Congregational Church |
| New Durham Meetinghouse and Pound |
| New Durham Town Hall |
| New England Masonic Charitable Institute |
| New Hampshire Bank Building |
| New Hampshire Conservatory of Music and the Arts |
| New Hampshire Savings Bank Building |
| New Hampshire State Union Armory |
| New Hampton Community Church |
| New Hampton Town House |
| Newington Railroad Depot |
| New Ipswich Town Hall |
| Nichols, Marion, Summer Home |
| Nichols Memorial Library |
| North Conway 5 and 10 Cent Store |
| Northfield Union Church |
| North Hampton Library |
| North Hampton Town Hall |
| North Holderness Freewill Baptist Church-Holderness Historical Society Building |
| North Sandwich Meeting House |
| North School |
| North Weare Schoolhouse |
| North Wilmot Union Meetinghouse |
| Northwood Congregational Church |
| Noyes, George Washington, House |
| Noyes, Jacob, Block |
| Nutter-Rymes House |
| Old Grafton County Courthouse |
| Old Patch Place |
| Old Post Office |
| Old Post Office Block |
| Old Webster Meeting House |
| Owls Head |
| Parker's Store |
| Park Hill Meetinghouse |
| Parsons Homestead |
| Parsons Studio and Casino |
| Peabody, William, House |
| Peck-Porter House |
| Pelham Library and Memorial Building |
| Pembroke Mill |
| Perry, Ivory, Homestead |
| Perry, John, Homestead |
| Perry, Norman and Marion, House |
| Peterborough Town House |
| Peterborough Unitarian Church |
| Philbrook Farm Inn |
Data from United States Park Service and Wikidata
