New York - Criteria: C (architecture/engineering)
| Irwin Brothers Store |
| Irwin, W.P., Bank Building |
| Italian Center |
| Italian Community Bake Oven |
| Italy Valley Methodist Church |
| Ithaca Downtown Historic District |
| Ithaca Gas and Electric Corporation Building |
| Ives, Dr. John, House |
| Ivey Delph Apartments |
| Jackson-Aitken Farm |
| Jackson Avenue Subway Station (IRT) |
| Jackson Heights Historic District |
| Jackson-Perkins House |
| Jackson, Samuel and Elbert, House |
| Jacob Riis Park Historic District |
| Jacques Marchais Center of Tibetan Art |
| Jagger House |
| Jamaica Chamber of Commerce Building |
| Jamaica Savings Bank |
| Jamesport Meeting House |
| Jamestown Armory |
| Jamestown Downtown Historic District |
| Jamieson and McKinney Block |
| Jansen, Johannes, House and Dutch Barn |
| Jansen, Thomas, House |
| Jarvis-Fleet House |
| Java School No. 1 |
| Jayne and Mason Bank Building |
| Jayne, William C., House |
| Jefferson Apartment Building |
| Jefferson County Courthouse Complex |
| Jeffersonville School |
| Jeffrey's Hook Lighthouse |
| Jenkins, Daniel Webster, House |
| Jenkins-DuBois Farm and Mill Site |
| Jenkins House |
| Jenkins Octagon House |
| Jennings Cottage |
| Jennings-Marvin House |
| Jericho Friends Meeting House Complex |
| Jericho Historic District |
| Jerome Park Reservoir |
| 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 |
| JOHN J. HARVEY (fireboat) |
| Johnson, C. Fred, Park Carousel |
| Johnson City Historic District |
| Johnson City Square Deal Arch |
| Johnson Cottage |
| Johnson, George F., Recreation Park Carousel |
| Johnson, George W., Park Carousel |
| Johnson Hall |
| Johnson House |
| Johnson-Jolls Complex |
| Johnston, Capt. Simon, House |
| Johnston, Edwin M. and Emily S., House |
| Johnstown Colonial Cemetery |
| John Street Building No. 170-176 |
| John Street Methodist Church |
| Jones, A.D. (Boss), House |
| Jones Beach State Park, Causeway and Parkway System |
| Jones, Gen. Edward F., House |
| Jones, George Westinghouse, House |
| Jones, John, Homestead |
| Jones, John W., Court |
| Jones Road Historic District |
| Jones, Samuel and Johanna, Farm |
| Jonesville Cemetery |
| Joralemon Street Tunnel |
| Jordan, Dr. Abram, House |
| Jordan Village Historic District |
| Jordanville Public Library |
| Joseph, Beth, Synagogue |
| J. P. Morgan & Co. Building |
| Judson Memorial Church, Campanile, and Judson Hall |
| Jumel Terrace Historic District |
| Justice Court Building |
| Kamman, Building, The |
| Kane, John, House |
| Kane, John P., Mansion |
| Kane Mountain Fire Observation Station |
| Karpen House |
| Katonah Village Historic District |
| Keene Valley Library |
| Keeney House |
| Keeper's House at Williamsbridge Reservoir |
| Keeseville Historic District |
| Kehila Kedosha Janina Synagogue |
| Keith and Branch Ford Motors Factory and Showroom |
| Kellerman Log Cabin |
| Kellogg, George Sumner, House |
| Kellogg, J. Francis, House |
| Kellogg, The, House |
Data from United States Park Service and Wikidata
