New York - Area of significance: Commerce
| Cobleskill Historic District |
| Coeymans, Ariaanje, House |
| Coeymans Landing Historic District |
| COIMBRA (shipwreck and remains) |
| Cold Brook Feed Mill |
| Collyer, Capt. Moses W., House |
| Colony Arcade Building |
| Commercial Row at Broadway and Michigan Avenue |
| Coolidge Stores Building |
| Cooperstown Historic District |
| Corlies-Ritter-Hart House |
| Cornwall Brothers' Store |
| Cottage in the Pines |
| Cox Building |
| Crawford, David, House |
| Croton Aqueduct, Old |
| Crown Point Green Historic District |
| Curtiss, Harlow C., Building |
| Customs House |
| Daisy Flour Mill, Inc. |
| Dansville Downtown Historic District |
| Delaney Hotel |
| Delaware and Hudson Canal |
| Delaware & Hudson Railroad Depot |
| Devinne Press Building |
| De Witt Park Historic District |
| Dick Block, The |
| District School Number Five |
| Dollar Savings Bank |
| Dollar Savings Bank |
| Dove, Arthur-Torr, Helen, Cottage |
| Downtown Albany Historic District |
| Downtown Cohoes Historic District |
| Downtown Genessee Street Historic District |
| Downtown Ossining Historic District |
| Drake-Curtis House |
| Duke, James B., Mansion |
| Dundee Village Historic District |
| Duvillard Mill |
| East Bloomfield Historic District |
| East End Historic District |
| East Main-Mechanic Streets Historic District |
| East Main Street Commercial Historic District |
| East Marion Main Road Historic District |
| East Side Historic District |
| Edwards Building |
| Ellenville Downtown Historic District |
| Enlarged Erie Canal Historic District (Discontiguous) |
| Equitable Building |
| Erie Canal |
| Erie Canal Lock 52 Complex |
| Erie Canal: Second Genesee Aqueduct |
| Erie Freighthouse Historic District |
| Erwin Library and Pratt House |
| Esopus Meadows Lighthouse |
| Essex Village Historic District |
| Fall Street-Trinity Lane Historic District |
| Farmer's National Bank and W.H. Hughes Slate Company Office |
| Fire Island Light Station |
| First National Bank of Morrisville |
| First National Bank of Port Jefferson |
| First Shearith Israel Graveyard |
| First Trust Company Building |
| Fitch Bluestone Company Office |
| Fitzgerald Building |
| Floyd Bennett Field Historic District |
| Ford Block |
| Ford's Store |
| Fort Klock |
| Fort Plain Historic District |
| Fountain Elms |
| Franklin Square Historic District |
| Franklin Square National Bank |
| Fredonia Commons Historic District |
| Frontier House |
| Fulton Ferry District |
| Fulton-Nassau Historic District |
| Galloo Island Light |
| Gansevoort Mansion |
| Gansevoort Market Historic District |
| Garment Center Historic District |
| General Electric Tower |
| Genesee Lighthouse |
| Geneva Downtown Commercial Historic District |
| Glen Building |
| Glenfields |
| Gould Mansion Complex |
| Grand Central Terminal |
| Granite Building |
| Green, John, House |
| Grooms Tavern Complex |
| Hamburg Main Street Historic District |
| Hamlet of Warrensburgh Historic District |
| Hanover Square Historic District |
| Harlem Savings Bank |
| Hart-Cluett Mansion |
| Hartford, John A., House |
| Haughwout, E. V., Building |
| Hayes House |
| Henry's Garage |
Data from United States Park Service and Wikidata
