New York - Role: Building
| 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 |
| Illinois Alcohol Company Building |
| Immaculate Conception Roman Catholic Church Complex |
| Immanuel Baptist Church |
| Immanuel Congregational Church |
| Immanuel Union Church |
| Indian Castle Church |
| Indian Rock Schoolhouse |
| Industrial Complex at 221 McKibbin Street |
| Ingersoll, Robert, Birthplace |
| Ingham, William Smith, House |
| Ingleside |
| Ingleside Home |
| 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 |
| Irvington Town Hall |
| Irving, Washington, High School |
| Irwin Brothers Store |
| Irwin, W.P., Bank Building |
| Italian Center |
| Italy Valley Methodist Church |
| Ithaca Gas and Electric Corporation Building |
| Ives, Dr. John, House |
| Ivey Delph Apartments |
| Jackson-Aitken Farm |
| Jackson, John II, House |
| Jackson-Perkins House |
| Jackson, Samuel and Elbert, House |
| Jacques Marchais Center of Tibetan Art |
| Jagger House |
| Jamaica Chamber of Commerce Building |
| Jamaica Savings Bank |
| Jamesport Meeting House |
| Jamestown Armory |
| Jamieson and McKinney Block |
| Jansen, Johannes, House and Dutch Barn |
| Jansen, Thomas, House |
| Jarvis-Fleet House |
| Java School No. 1 |
| Jay, John, Homestead |
| Jayne and Mason Bank Building |
| Jayne, William C., House |
| Jefferson Apartment Building |
| Jeffersonville School |
| Jenkins, Daniel Webster, House |
| Jenkins House |
| Jenkins Octagon House |
| Jennings Cottage |
| Jennings-Marvin House |
| Jenning's Tavern |
| Jericho Friends Meeting House Complex |
| Jerusalem District No. 5 Schoolhouse |
| Jervis Public Library |
| Jewell Family Homestead |
| Jewett Presbyterian Church Complex |
| Jewish Center of Coney Island, The |
| Jewish Center of Kings Highway |
| Jewish Center of Lake Huntington |
| Jewish Community Center of White Sulphur Springs |
| Jewish Young Men's and Women's Association |
| J. F. O'Connor Sales Company Garage |
| J. Hungerford Smith Company Factory |
| John Kam Company Malt House & Kiln House |
| Johnson Cottage |
| Johnson House |
| Johnson, James H. and Sarah, House |
| Johnson, James Weldon, House |
| Johnson-Jolls Complex |
| Johnston, Capt. Simon, House |
| Johnston, Edwin M. and Emily S., House |
| John Street Building No. 170-176 |
| John Street Methodist Church |
| Jones, A.D. (Boss), House |
| Jones, Gen. Edward F., House |
| Jones, George Westinghouse, House |
| Jones, Hannah and George W. House |
| Jones, John, Homestead |
| Jones, John W., Court |
| Jones, John W., House |
| Jones, Samuel and Johanna, Farm |
| Jonesville Cemetery |
| Jonesville Store |
| Jordan, Dr. Abram, House |
| Jordanville Public Library |
| Joseph, Beth, Synagogue |
| Joseph Peck House |
| Joubert and White Building |
Data from United States Park Service and Wikidata
