All - Architectural style - Greek Revival architecture
| Clow, James Beach, House |
| Cloyd's Creek Presbyterian Church |
| Club Harbor |
| Clyde, Thomas and Isabella Moore, House |
| Coan Baptist Church |
| Cobble Hill Historic District |
| Cobblestone Farmhouse at 1027 Stone Church Rd. |
| Cobblestone House |
| Cobblestone Inn |
| Cobblestone Manor |
| Coburn, Gov. Abner, House |
| Coburn, John G. |
| Cocanougher House |
| Cochecton Railroad Station |
| Cochran Grange |
| Cochran-Helton-Lindley House |
| Cochran,Jehiel, House |
| Cocke-Martin-Jackson House |
| Cocke, William, House |
| Cock House |
| Code House |
| Cody Homestead |
| Coffey, Col. J. K., House |
| Coggin, Gilman, House |
| Cokesbury Church |
| Colbert House |
| Colburn, Sarah Foster, House |
| Colburn School |
| Cold Point Historic District |
| Coleman-Banks House |
| Coleman, William L., House |
| Colgin Hill |
| College Block-Lisbon Block |
| College Church |
| College Club Inn |
| College Hall |
| College Hill Town Hall |
| College Street Presbyterian Church |
| Colleton County Courthouse |
| Colley, Abel, Tavern |
| Collina |
| Collings, James, Jr., House |
| Collins-Bond House |
| Collins, Daniel Dove, House |
| Collins, Frederick, House |
| Collins, John, House |
| Colonial Theatre |
| Columbus Historic District |
| Colver-Rogers Farmstead |
| Commercial Bank and Banker's House |
| Common Street District |
| Community Baptist Church and Parsonage |
| Community Place |
| Comstock, Nathan, Jr., House |
| Concord |
| Concordia Mill |
| Con Creek School |
| Confederate Park |
| Congregational Church |
| Congregational Church of Christ |
| Congregational-Presbyterian Church |
| Conkey House |
| Conkling, Roscoe, House |
| Conner, Alexander, House |
| Conner, George, House |
| Connor-Bovie House |
| Constitution Hall |
| Continental Mill Housing |
| Converse-Mertz Apartments |
| Cooke, Eleutheros, House |
| Cooke, Eleutheros, House |
| Cooke House |
| Cook House |
| Cook-Johnson House |
| Cook, Thomas, House |
| Cook, Zimri, House |
| Cooley, Eli R., House |
| Cool Hollow Home |
| Coolidge Stores Building |
| Cool Spring Farm |
| Cool Spring Presbyterian Church |
| Coons House |
| Cooper-Alley House |
| Coopwood, Capt. Thomas, House |
| Copeland, Samuel, House |
| Copeland, William and Ann, Jr., House |
| Copperopolis Armory |
| Core, William and Margaret McFarland, Farm |
| Corey, Timothy, House No. 2 |
| Cork Hill District |
| Cornell Farmhouse |
| Cornell-Van Nostrand House |
| Cornelsum, John, House |
| Cornersville Methodist Episcopal Church South |
| Cornucopia |
| Corwin-Bolin House |
| Corwith, William, House |
| Cotesworth |
| Cottage Farm |
| Cottage Gardens |
Data from United States Park Service and Wikidata
