| Staff | Title | Departments | Phone | Email |
|---|
| Mazzanti, Tara | Assistant City Attorney | City Attorney | | Email |
| Mirassou, Katherine | Deputy City Attorney | City Attorney | | Email |
| O'Toole, Molly | Deputy City Attorney | City Attorney | | Email |
| Criminal Investigations Unit | | Police | (925) 371-4700 | |
| Chief of Police Office | | Police | (925) 371-4710 | |
| Horizons Family Counseling | | Police | (925) 371-4747 | |
| Gang Tip Hotline | | Police | (925) 371-4790 | |
| Crime Prevention | | Police | (925) 371-4797 | |
| Patrol Watch Commander | | Police | (925) 371-4820 | |
| Patrol Sergeant | | Police | (925) 371-4825 | |
| Training Office - Police | | Police | (925) 371-4833 | |
| Traffic - Police | | Police | (925) 371-4850 | |
| Traffic Education | | Police | (925) 371-4858 | |
| Main Police Phone Number | | Police | (925) 371-4900 | |
| Police Records | | Police | (925) 371-4900 | |
| Property & Evidence | | Police | (925) 371-4940 | |
| Hearing Impaired | | Police | (925) 371-4982 | |
| Dispatch Center | | Police | (925) 371-4987 | |
| Animal Control | | Police | (925) 371-4987 | |
| 24-hr Emergency/Non-Emergency | | Police | (925) 371-4987 | |
| School Resource Officer (Dispatch) | | Police | (925) 371-4987 | |
| Baker, Anwan | Library Services Director | Library | (925) 373-5509 | Email |
| Rucker, Ryan | Fire Marshal | Fire | (925) 454-2361 | |
| Testa, Joe | Fire Chief | Fire | (925) 454-2361 | |
| Cole, Herbert | Emergency Manager | City Manager | (925) 960-4038 | Email |
| Pontau, Tricia | Sustainability Program Manager | City Manager | (925) 960-4039 | Email |
| Burch, Marianna | City Manager | City Manager | (925) 960-4040 | Email |
| Media Inquiries | | City Manager | (925) 960-4040 | Email |
| Olson, Tina | Administrative Services Director | Administrative Services | (925) 960-4100 | Email |
| Hilton, Kristen | Human Resources Manager | Administrative Services | (925) 960-4100 | Email |