New York - Criteria: C (architecture/engineering)
| House at 9 Locust Place |
| House at New Forge |
| House at No. 13 Grove Street |
| House at No. 176 South Main Street |
| House at No. 30 at Murray Street |
| House at No. 48 Grove Street |
| House at No. 8 State Street |
| Houseman, Peter, House |
| Houser-Conklin House |
| Houses at 1026-1028 Fifth Ave. |
| Houses at 120 and 122 East 92nd Street |
| Houses at 146-156 East 89th Street |
| Houses at 208-218 East 78th Street |
| Houses at 216-264 Ovington Ave. |
| Houses at 26, 28 and 30 Jones Street |
| Houses at 311 and 313 East 58th Street |
| Houses at 326, 328 and 330 East 18th Street |
| Houses at 364 and 390 Van Duzer Street |
| Houses at 37-47 North Fifth St. |
| Houses at 437-459 West 24th Street |
| Houses at 647, 651-53 Fifth Avenue and 4 East 52nd Street |
| Houses at 83 and 85 Sullivan Street |
| Hovey, Charles C., House and Strong Leather Company Mill |
| Howard Homestead |
| Howard Mansion and Carriage House |
| Howard-Odmin-Sherman Farmstead |
| Howe, Dr. John Quincy, House |
| Howell, Edgar W., House |
| How, James and Fanny, House |
| Howland, Augustus, House |
| Howland, Charles- William H. Chase House |
| Howland Cobblestone Store |
| Howland Library |
| Howland, Slocum and Hannah, House |
| Hubbard Hall |
| Hubbard, Hiram, House |
| Hubbard House |
| Hubbell Family Farm and Kelly's Corners Cemetery |
| Hudson Almshouse |
| Hudson/Athens Lighthouse |
| Hudson Falls Historic District |
| Hudson Historic District |
| Hudson River Heritage Historic District |
| Hudson River State Hospital, Main Building |
| Hudson Theatre |
| Hudson View Gardens |
| Huffman, William, Cobblestone House |
| Hughson Mansion |
| Huguenot Schoolhouse |
| Huguenot Street Historic District |
| Hulburt, Thomas L., House |
| Hull, Warren, House |
| Humphrey, Friend, House |
| Hunterfly Road Historic District |
| Hunter Mountain Fire Tower |
| Hunter-Oliphant Block |
| Hunters Point Historic District |
| Hunter Synagogue |
| Hunt, George and John R., Memorial Building |
| Huntley Apartments |
| Hunziker House |
| Hurd & Fitzgerald Building |
| Hurley Historic District |
| Hurricana Stock Farm |
| Hurricane Mountain Fire Observation Station |
| Hurst-Pierrepont Estate |
| Hustis House |
| Hutchinson, Gen. Orrin, House |
| Hutchinson Homestead |
| Huyler Building, The |
| Hyatt, Caleb, House |
| Hyatt-Livingston House |
| Hyde Hall |
| Hyde House |
| Hyde Park Elementary School |
| Hyde Park Firehouse |
| Hyde Park Railroad Station |
| Ilium Building |
| Immaculate Conception Roman Catholic Church Complex |
| Immanuel Baptist Church |
| Immanuel Congregational Church |
| Indian Brook Road Historic District |
| Indian Castle Church |
| Indian Rock Schoolhouse |
| Ingersoll, Robert, Birthplace |
| Ingham, William Smith, House |
| Ingleside |
| Ingleside Home |
| Inglewood and Thurston Historic District |
| Insurance Company of North America Building |
| International House |
| International Mercantile Marine Company Building |
| International Paper Administration Building and Time Office |
| International Shirt and Collar Company |
| IOOF Hall |
| Ireland-Gardiner Farm |
| Ironville Historic District |
| IRT Broadway Line Viaduct |
| Irvington Town Hall |
| Irving, Washington, High School |
Data from United States Park Service and Wikidata
