| Community Development |
| Building & Development Services Division |
| Building Inspection Request Line | 24-Hour | 714.738.6542 | |
| General - Building Division | 714.738.6541 | |
| Zoning | 714.738.6559 714.738.6550 | |
| Fax Number (Building) | 714.738.4192 FAX |
| Code Enforcement Division |
| Code Enforcement Complaints | 24-Hour Hotline | 714.773.5704 | |
| General - Code Enforcement | 714.738.6553 | |
| Fax Number | 714.738.3110 FAX |
| Housing & Community Rehabilitation Division |
| General - Housing & Community Rehabilitation | 714.738.6544 | |
| Fax Number | 714.738.3110 FAX |
| Planning Division |
| Projects and Applications | 714.738.3163 714.773.5773 | |
| Environmental Programs | 714.738.6554 | |
| General - Planning Division | 714.738.6598 | |
| Fax Number | 714.738.3110 FAX |