| Leutbecher, William | Public Works Crew Chief | Public Works Municipal Operations | 949-718-3489 | |
| Link, Harold | Electrical & Instrumentation Specialist | Public Works Municipal Operations | 949-718-3471 | |
| Le, Teonado | Maintenance Aide | Public Works Municipal Operations | 949-718-3463 | |
| Lynch, Michael | Utilities Supervisor | Utilities | 949-718-3415 | |
| Lee, Amanda | Department Assistant | Community Development | 949-718-1865 | |
| Leach, Claire | Librarian II | Library - City | 949-717-3897 | |
| Lightfoot, Rebecca | Librarian III | Library - City | 949-717-3852 | |
| Langston, Melissa | Library Page | Library - City | 949-717-3851 | |
| Landis, Christopher | Public Works Technical Aide | Public Works | 949-644-3486 | |
| Lunde, Ty | Fire Captain 112 Hours | Fire | 949-644-3374 | |
| Lucas, Alexis | Fire Battalion Chief | Fire | 949-644-3368 | |
| Long, Jacob | Fire Captain 112 Hours | Fire | 949-644-3355 | |
| Levins, Adam | Firefighter Paramedic 112 Hour | Fire | 949-644-3355 | |
| Locey, Mary | Administrative Manager | Fire | 949-644-3352 | |
| Loke, Eric | Civil Engineer, Senior | Public Works | 949-644-3336 | |
| Loo, Bryan | Civil Engineer, Associate | Public Works | 949-644-3324 | |
| Leon Mis, Maritza | Human Resources Specialist II | Human Resources | 949-644-3307 | |
| Lane, Steven | Building Inspector, Principal | Community Development | 949-644-3264 | |
| La Bare, Richard | Building Inspector, Senior | Community Development | 949-644-3261 | |
| Leon, Jasmine | Student Aide | Community Development | 949-644-3254 | |
