New York - Area of significance: Commerce
| Herkimer County Trust Company Building |
| Hertlein and Schlatter Silk Trimmings Factory |
| Hess, Christian, House and Shoemaker's Shop |
| Hieber, John C., Building |
| Hillig Castle |
| Hillsdale Hamlet Historic District |
| Holley Village Historic District |
| Homan-Gerard House and Mills |
| Hoornbeek Store Complex |
| Hoosick Falls Historic District |
| Horton Gristmill |
| Horton Point Lighthouse |
| Hotchkiss, H. G., Essential Oil Company Plant |
| Hotel Broadalbin |
| Hotel Martinique |
| Houses at 647, 651-53 Fifth Avenue and 4 East 52nd Street |
| Hubbell Family Farm and Kelly's Corners Cemetery |
| Hudson/Athens Lighthouse |
| Hudson Historic District |
| Huntington Building, The |
| Hurd & Fitzgerald Building |
| Huyler Building, The |
| Ilium Building |
| Insurance Company of North America Building |
| Irwin Brothers Store |
| Irwin, W.P., Bank Building |
| Ithaca Downtown Historic District |
| Ithaca Gas and Electric Corporation Building |
| Jamaica Chamber of Commerce Building |
| Jamestown Downtown Historic District |
| Jamieson and McKinney Block |
| Jayne and Mason Bank Building |
| Jayne, William C., House |
| Jeffrey's Hook Lighthouse |
| Jenning's Tavern |
| J. F. O'Connor Sales Company Garage |
| Johnson Hall |
| John Street Building No. 170-176 |
| Jonesville Store |
| J. P. Morgan & Co. Building |
| Kimlin Cider Mill |
| Kingston Gas and Electric Co. Building |
| Kingston/Rondout 2 Lighthouse |
| Kingston Stockade District |
| Knox Building |
| Knox Mansion |
| Koda-Vista Historic District |
| Laraway, John and Martinus, Inn |
| Larzelere Tavern |
| Lee, Higginson & Company Bank Building |
| Lehigh Valley Railroad Barge 79 |
| Lehigh Valley Railroad Station |
| Leis Block |
| Le Roy Historic District |
| LETTIE G. HOWARD (schooner) |
| Liberty Street Historic District |
| Ligonier Point Historic District |
| Lisbon Railroad Depot |
| Little Falls Historic District |
| Little, Russell M., House |
| Lock Tender's House and Canal Store Ruin |
| Locust Lawn Estate |
| Lower East Side Historic District |
| Lower Genesee Street Historic District |
| Lower Landing Archeological District |
| Lower Mill |
| Lowndes, Stanley H., House |
| Lynch Hotel |
| Lynch, James, House |
| Lyndhurst, Jay Gould Estate |
| Lyons Downtown Historic District |
| Macmillan Building |
| Macy, R. H., and Company Store |
| Main-Partition Streets Historic District |
| Main Street Historic Distrct |
| Main Street Historic District |
| Main Street Historic District |
| Main Street Historic District |
| Main Street Historic District |
| Main Street Historic District |
| Main Street Historic District |
| Main Street Historic District |
| Main Street Subway Station (Dual System IRT) |
| Major's Inn and Gilbert Block |
| Malone Downtown Historic District |
| Malone Freight Depot |
| Manhattan Company Building |
| Manion's General Store |
| Manlius Village Historic District |
| Mappa Hall |
| Market House |
| Market Street Historic District |
| Market Street Historic District |
| Market Street Historic District |
| Marshall & Son Warehouse |
| Matton Shipyard |
| McCarthy Building |
| Meaker, C.G., Food Company Warehouse |
| Meldrum, H.J., Company Building |
| Mentholatum Company Building, The |
Data from United States Park Service and Wikidata
