| Marshall, Jake | Civil Engineer, Associate | Public Works | 949-644-3323 | |
| Martin, Jeremiah | Fire Engineer 112 Hour | Fire | 949-644-3355 | |
| Mcdonough, Brian | Fire Administrative Services Division Chief | Fire | 949-644-3368 | |
| Mcclary, Matthew | Fire Engineer 112 Hour | Fire | 949-644-3376 | |
| Molina, Jaime | Building Inspector, Senior | Community Development | 949-644-3379 | |
| May, Natalie | Lifeguard Captain | Fire | 949-644-3381 | |
| Mckibbin, Elizabeth | Library Clerk, Senior | Library - City | 949-717-3841 | |
| Moon, Patricia | Library Clerk I | Library - City | 949-717-3851 | |
| Mcgee, Latoya | Library Page | Library - City | 949-717-3851 | |
| Mccarthy, Julie | Library Page | Library - City | 949-717-3851 | |
| Martinez, Michale | Library Clerk I | Library - City | 949-717-3851 | |
| Magana, Vanessa | Library Clerk II | Library - City | 949-717-3857 | |
| Marler-Mulvenna, Bella | Library Clerk I | Library - City | 949-717-3858 | |
| Moss, Melinda | Library Assistant | Library - City | 949-717-3861 | |
| Melero, Stephanie | Recreation Coordinator | Recreation & Senior Services | 949-718-1827 | |
| Molina, Stephanie | Department Assistant | Recreation & Senior Services | 949-718-1856 | |
| Mesropian, Sabrina | Management Analyst, Assistant | Utilities | 949-718-3404 | |
| Martinez, Ruben | Maintenance Operator | Utilities | 949-718-3407 | |
| Millard, Brent | Utilities Supervisor | Utilities | 949-718-3414 | |
| Moureaux, James | Utilities Specialist, Senior | Utilities | 949-718-3416 | |
