CONSTRUCTION PERMIT OFFICES
| No. | Facility Name | Address | Telephone No. |
| 1 | BALDWIN PARK | 14747 E RAMONA BLVD, BALDWIN PARK 91706 | 626-338-9515 |
| 2 | VALENCIA | 23757 W VALENCIA BLVD, VALENCIA 91350 | 661-222-2948 |
| 3 | WESTCHESTER YARD | 5530 W 83RD ST, LOS ANGELES 90045 | 310-649-6300 |
| 4 | HOLLYDALE YARD | 11282 S GARFIELD AVE, DOWNEY 90242 | 562-869-6394 |
| 5 | PALMDALE | 38126 N SIERRA HWY, PALMDALE 93550 | 661-947-4151 |
| 6 | HEADQUARTERS | 900 S. FREMONT AVE., ALHAMBRA 91803 | 626-458-4956 |