| Chong, Matthew | Budget Analyst | Recreation | 949-644-3224 | |
| Chiose, Stefan | Civil Engineer - Plan Check | Community Development | 949-644-3207 | |
| Cooke, Abigail | Civil Engineer, Associate | Public Works | 949-644-3323 | |
| Cho, Kathryne | Civil Engineer, Associate | Public Works | 949-644-3014 | |
| Chhouk, Socheata | Civil Engineer, Associate | Public Works | 949-644-3346 | |
| Carpenter, Patricia | Civil Engineer, Associate | Public Works | 949-644-3344 | |
| Cosylion, Matthew | Code Enforcement Supervisor | Harbor Department | 949-270-8164 | |
| Cornell, Lauryn | Department Assistant | Human Resources | 949-718-1832 | |
| Campbell, James | Deputy Community Development Director | Community Development | 949-644-3210 | |
| Curry, John | Electrical & Instrumentation Specialist | Utilities | 949-718-3406 | |
| Castanon, Alfredo | Engineer, Associate | Public Works | 949-644-3314 | |
| Cairney, Stuart | Equipment Operator I | Public Works Municipal Operations | 949-718-3463 | |
| Catron, Steffen | Field Superintendent II | Utilities | 949-718-3402 | |
| Catlett, Scott | Finance Director/City Treasurer | Finance | 949-644-3126 | |
| Chapman, James | Fire Captain 112 Hours | Fire | 949-644-3104 | |
| Carr, Justin | Fire Chief, Assistant | Fire | 949-644-3040 | |
| Cortes, Paul | Firefighter 112 Hours | Fire | 949-644-3355 | |
| Conte, Kelly | Firefighter Paramedic 112 Hour | Fire | 949-644-3104 | |
| Chidley, Joel | Firefighter Paramedic 112 Hour | Fire | 949-644-3355 | |
| Carter, Bryan | Firefighter Paramedic 112 Hour | Fire | 949-644-3104 | |
