New York - Area of significance: Exploration/Settlement
| Horr, Elijah, House |
| Horton, Joseph, House |
| Hotchkiss, Jedediah, House |
| Houghtaling, Peter, Farm and Lime Kiln |
| Houghtaling, Teunis, House |
| House at 244 Park Avenue |
| Hubbard, Hiram, House |
| Hudson River Heritage Historic District |
| Huguenot Street Historic District |
| Hull, Warren, House |
| Hurley Historic District |
| Jackson, John II, House |
| Jackson, Samuel and Elbert, House |
| Jarvis-Fleet House |
| Jefferson Street Cemetery |
| Jewell Family Homestead |
| Johnson Hall |
| Johnson House |
| Johnstown Colonial Cemetery |
| Jones Road Historic District |
| Joseph Rodman Drake Park and Enslaved People’s Burial Ground |
| Jug Tavern |
| Kane, John, House |
| Kelsey-Davey Farm |
| Kemp, John Wolf, House |
| King, Polaski, House |
| Kingsboro Historic District |
| Kip-Beekman-Heermance Site (A027-16-0223) |
| Knapp, Timothy, House and Milton Cemetery |
| La Farge Land Office |
| La Farge Retainer Houses |
| Lafevre, John A., House and School |
| Lake View Cemetery |
| Land Office |
| Landon, Samuel, House |
| Lansingburgh Village Burial Ground |
| Lansing, John V. A., Farmhouse and Billsen Cemetery and Archeological Site |
| Lasell Hall |
| Lattingtown Baptist Church |
| Lawyer, Johannes Jr., House |
| Leech-Lloyd Farmhouse and Barn Complex |
| Leech-Parker Farmhouse |
| LeFevre, Abraham and Maria, House |
| LeGrange Farmstead |
| Lent Homestead and Cemetery |
| LeRay Mansion |
| LeRay, Vincent, House |
| LeRoy House and Union Free School |
| Letchworth State Park |
| Lincoln, Anselm, House |
| Lispenard-Rodman-Davenport House |
| Little House |
| Livingston Memorial Church and Burial Ground |
| Longbotham, Nathaniel, House |
| Loomis Family Farm |
| Losee, Isaac, House |
| Mabee House |
| Main Street Historic District |
| Main Street Historic District |
| Manhasset Monthly Meeting of the Society of Friends |
| Mann, Andrew, Inn |
| Mann, Donald, House |
| Mappa Hall |
| Market Street Historic District |
| Martin, Gen. Walter, House |
| Martin, Hendrick, House |
| Martinsburg Town Hall |
| Mathewson-Bice Farmhouse and Mathewson Family Cemetery |
| Maxwell Farm |
| McDowell, Thomas, House |
| McLean, Thomas, House |
| McMahan Homestead |
| McNaught Family Farm |
| Mead House |
| Methodist Episcopal Church of Butler |
| Methodist Episcopal Church of East DeKalb |
| Methodist Episcopal Church of Jacksonville |
| Middlefield Hamlet Historic District |
| Miller Homestead |
| Miller-Horton-Barben Farm |
| Miller, Johannes, House |
| Miller, Paschal, House |
| Milliken-Smith Farm |
| Mills, Gen. William A., House |
| Monfort Cemetery |
| Mooers Riverside Cemetery |
| Moravia Union Cemetery |
| Morehouse, Jeremiah, House |
| Morristown Schoolhouse |
| Morris Village Historic District |
| Morss Homestead/Federal City Homestead |
| Moss Street Cemetery |
| Mottville Cemetery |
| Muldor-Miller House |
| Mynderse-Frederick House |
| Neck Canal of 1730 |
| Neiderhurst |
| Nellis, Jacob, Farmhouse |
| Nellis Tavern |
| Nelson Welsh Congregational Church |
Data from United States Park Service and Wikidata
