| Business | Phone |
| Lake Forest Code Enforcement 23161 Lake Center Dr # 100, Lake Forest 92630 | (949) 461-3454 |
| Lake Forest Community Svc 23161 Lake Center Dr, Lake Forest 92630 | (949) 461-4350 |
| Lake Forest Community Svc Dept 23161 Lake Center Dr, Lake Forest 92630 | (949) 461-3450 |
| Lake Forest Community Svc Dept 25550 Commercentre Dr # 100, Lake Forest 92630 | (949) 461-3450 |
| Lake Forest Personnel Dept 25550 Commercentre Dr # 100, Lake Forest 92630 | (949) 461-3415 |
| Lake Forest Purchasing Dept 23161 Lake Center Dr # 100, Lake Forest 92630 | (949) 461-3430 |
| Lake Forest Purchasing Dept 25550 Commercentre Dr # 100, Lake Forest 92630 | (949) 461-3435 |
| Lake Forest City Coucil 25550 Commercentre Dr # 100, Lake Forest 92630 | (949) 461-3420 |
| Lake Forest Landscape Inspctr 25550 Commercentre Dr, Lake Forest 92630 | (949) 461-3489 |
| Lake Forest Maintenance Inspct Lake Forest 92630 | (949) 461-3492 |