| Community Development |
| GoZone - Online Zoning Look-up | Click to Launch GoZone | | |
| Building & Development Services Divisions |
| Building Inspection Request Line | 24-Hour | 714.738.6542 | |
| General - Building Division | 714.738.6541 | |
| General Zoning Questions | 714.738.6559 | |
| 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 |
| Zoning - General Questions | 714.738.6559 | |
| Planning Projects, Entitlement Applications | 714.773.5773 714.738.6837 | |
| Environmental Programs | 714.738.6554 | |
| Fax Number | 714.738.3110 FAX |