New York - Area of significance: Architecture
| Church of the Good Shepherd |
| Church of the Good Shepherd |
| Church of the Holy Apostles |
| Church of the Holy Comforter |
| Church of the Holy Communion and Buildings |
| Church of the Holy Cross |
| Church of the Holy Innocents |
| Church of the Holy Innocents |
| Church of the Holy Innocents and Rectory |
| Church of the Holy Transfiguration of Christ-on-the-Mount |
| Church of the Immaculate Conception and Clergy Houses |
| Church of the Incarnation and Parish House |
| Church of the Nazarene |
| Church of the Redeemer |
| Church of the Resurrection |
| Church of the Transfiguration |
| Church of the Transfiguration |
| Church of the Transfiguration and Rectory |
| Church Park Historic District |
| Church Street-Congress Street Historic District |
| Church Street Historic District |
| Church Street Historic District |
| Church Street Historic District |
| Church Street Row |
| Cincinnatus Historic District |
| Citizens National Bank |
| City and Suburban Homes Company's First Avenue Estate Historic District |
| City and Suburban Homes Company's York Avenue Estate and Shively Sanitary Tenements Historic District |
| City Hall |
| City Hall Historic District |
| City Hall Subway Station (IRT) |
| City Hospital |
| City Pier A |
| Civic Club |
| Civilian Conservation Corps Camp S-90 (Speculator) |
| Clapham-Stern House |
| CLARA BROWN (sloop) |
| Claremont Stables |
| Clarendon Stone Store |
| Clare Town Hall |
| Clark, A. J., Store |
| Clark-Dearstyne-Miller Inn |
| Clarke, Luther, House |
| Clark, Ezra, House |
| Clark Farm Complex |
| Clark House |
| Clark House |
| Clark House |
| Clark, Hulet, Farmstead |
| Clark-Keith House |
| Clark-Lester House |
| Clark, Peyton, Cottage |
| Clarkson Chapel |
| Clarkson Corners Historic District |
| Clarkson-Knowles Cottage |
| Clarkson Office Building |
| Clarksville Elementary School |
| Clark Witbeck Co. Warehouse |
| Claverack Free Library |
| Clayton Historic District |
| Clermont |
| Clermont Academy |
| Clermont Civic Historic District |
| Clermont Estates Historic District |
| Cleveland, Ephraim, House |
| Cleveland, L.E., House |
| Cliffside |
| Clifton |
| Clifton Park Center Baptist Church and Cemetery |
| Clifton Park Hotel |
| Clifton Springs Sanitarium |
| Clifton Springs Sanitarium Historic District |
| Clinton Avenue Historic District |
| Clinton Avenue Historic District |
| Clinton-Columbia Historic District |
| Clinton Corners Friends Church |
| Clinton County Courthouse Complex |
| Clinton Hall |
| Clinton Hill Historic District |
| Clinton Hill South Historic District |
| Clinton House |
| Clinton House |
| Clinton, Morris, House |
| Clinton-Rosekrans Law Building |
| Clinton Village Historic District |
| Closter Road-Oak Tree Road Historic District |
| Clyde Downtown Historic District |
| Clymer District School No. 5 |
| Cobble Hill Historic District |
| Cobblestone Farmhouse at 1027 Stone Church Rd. |
| Cobblestone Farmhouse at 1111 Stone Church Roach |
| Cobblestone Farmhouse at 1229 Birdsey Road |
| Cobblestone Historic District |
| Cobblestone House |
| Cobblestone House |
| Cobblestone Inn |
| Cobblestone Manor |
| Cobblestone Railroad Pumphouse |
| Cobble Villa |
| Cobleskill Historic District |
Data from United States Park Service and Wikidata
