| Yard | Calvin Rose | The Waldorf School of Atlanta | |
| Yard | Cameron Taylor | Emory University- Goizueta Business School | |
| Yard | Campbell Gervin | Jack and Jill Atlanta Chapter Senior Teens | |
| House C | Cara Dougan | Georgia Tech NSBWM | |
| House B | Carina De Fazio | | |
| House F | Carl Dilcher | HOK | |
| House F | Carl Dilcher | HOK | |
| Small Projects | Carlee Bishop | | |
| House K | Carlos Vela | Rotary Club of Decatur | |
| House K | Carlos Vela | Rotary Club of Decatur | |
| House J | Carmella Werner | | |
| House M | Caroline Jackson | DFUMC | |
| Yard | Caroline O’Stean | Decatur High School Ivy League | |
| Carolyn Bradford | | |
| House R | Carolyn Shalosky | HDR | |
| House B | Carolyn H. Rader | | |
| House M | Carson Schuffenhauer | DFUMC | |
| Carson Schuffenhauer | Decatur First UMC Youth | |
| Carter Davis | | |
| Carter Momsen-Hudson | | |
| Yard | Cassian Jones-Batiste | Cub Scout Pack 175 | |
| Yard | Cate Durbin | | |
| Cate Durbin | | |
| House A | Catherine Bisson | Peter Constructive | |
| Yard | Catherine Johansson | | |
