New York - Criteria: C (architecture/engineering)
| Cascadilla School Boathouse |
| Casemate Fort, Whiting Quadrangle |
| Case Memorial-Seymour Library |
| Cash-Draper House |
| Casino-Congress Park-Circular Street Historic District |
| Caspar Getman Farmstead |
| Castle Clinton National Monument |
| Castle Rock |
| Castle Williams |
| CATAWISSA (tugboat) |
| Cathedral of All Saints |
| Cathedral of the Immaculate Conception |
| Cattaraugus Village Commercial Historic District |
| Catt, Carrie Chapman, House |
| Cauldwell, William, House |
| Cayuga County Courthouse and Clerk's Office |
| Cazenovia Park-South Park System |
| Cazenovia Village Historic District |
| C. Burton Hotel |
| Cedarcliff Gatehouse |
| Cedar Cove |
| Cedar Grove Cemetery |
| Cedar Island Lighthouse |
| Cedarmere-Clayton Estates |
| Center Square-Hudson-Park Historic District |
| Center Theatre |
| Centerville Town Hall |
| Central Avenue Historic District |
| Central Avenue Historic District |
| Central Fire Station |
| Central Garage |
| Central Hall |
| Central IND Substation |
| Central Lansingburgh Historic District |
| Central New York Telephone and Telegraph Building |
| Central Park |
| Central Park West Historic District |
| Central Powerhouse |
| Central Ridgewood Historic District |
| Central Savings Bank |
| Central School |
| Central Synagogue |
| Central Technical High School |
| Central Trust Bank Building |
| Centreport Aqueduct |
| Centre Presbyterian Church |
| Century Association Building |
| Century Building |
| Ceres School |
| Chadwick Farmhouse |
| Chalmers Knitting Mills |
| Chamberlain, Benjamin, House |
| Chamberlain, Daniel, House |
| Chamber of Commerce |
| Chamber of Commerce Building |
| Chambers Street Subway Station (Dual System BMT) |
| Chambers Street Subway Station (Dual System IRT) |
| Champlain Canal |
| CHAMPLAIN II Shipwreck |
| Champlin, H. D., & Son Horseshoeing and Wagonmaking |
| CHANCELLOR (tugboat) |
| Chandler, Peter, House |
| Chanin Building |
| Chapel and Cultural Center |
| Chapel Hill Bible Church |
| Chapel House |
| Chapel of Our Lady Help of Christians |
| Chapel of the Good Shepherd |
| Chapel of the Intercession Complex and Trinity Cemetery |
| Chapin Memorial Church |
| Chapin, Thaddeus, House |
| Chapman, A. F., House |
| Chapman Farmhouse |
| Chapman House |
| Chappaqua Railroad Depot and Depot Plaza |
| Chappell Farmhouse |
| Charles Street House at No. 131 |
| Charlton Historic District |
| Charlton-King-Vandam Historic District |
| Chase Cobblestone Farmhouse |
| Chase-Crowley-Keep House |
| Chase-Hubbard-Williams House |
| Chase, William Merritt, Homestead |
| Chatham Street Row |
| Chaumont Grange Hall and Dairymen's League Building |
| Chaumont Historic District |
| Chaumont House |
| Chaumont Railroad Station |
| Chautauqua Institution Historic District |
| Checkerboard Inn |
| Chelsea Grammar School |
| Chelsea Historic District |
| Chemung Canal Bank Building |
| Chemung County Courthouse Complex |
| Chemung District School No. 10 |
| Chemung Railway Depot-Horseheads |
| Chenango Canal Prism and Lock 107 |
| Chenango Canal Summit Level |
| Chenango County Courthouse District |
| Cherry Hill |
Data from United States Park Service and Wikidata
