| Staff | Title | Departments | Phone | Email |
|---|
| 24-hr Emergency/Non-Emergency | | Police | (925) 371-4987 | |
| School Resource Officer (Dispatch) | | Police | (925) 371-4987 | |
| Training Office - Police | | Police | (925) 371-4833 | |
| Chief of Police Office | | Police | (925) 371-4710 | |
| Dispatch Center | | Police | (925) 371-4987 | |
| Animal Control | | Police | (925) 371-4987 | |
| Traffic Education | | Police | (925) 371-4858 | |
| Traffic - Police | | Police | (925) 371-4850 | |
| Criminal Investigations Unit | | Police | (925) 371-4700 | |
| Crime Prevention | | Police | (925) 371-4797 | |
| Main Police Phone Number | | Police | (925) 371-4900 | |
| Police Records | | Police | (925) 371-4900 | |
| Property & Evidence | | Police | (925) 371-4940 | |
| Patrol Watch Commander | | Police | (925) 371-4820 | |
| Patrol Sergeant | | Police | (925) 371-4825 | |
| Horizons Family Counseling | | Police | (925) 371-4747 | |
| Hearing Impaired | | Police | (925) 371-4982 | |
| Gang Tip Hotline | | Police | (925) 371-4790 | |
| Media Inquiries | | City Manager | (925) 960-4040 | Email |
| Wong, Martin | Accounting Supervisor | | (925) 960-4351 | Email |
| Doyle, David | Accounting Supervisor | | (925) 960-4352 | Email |
| Lin, Benjie | Accounting Supervisor | | (925) 960-4353 | Email |
| Olson, Tina | Administrative Services Director | Administrative Services | (925) 960-4100 | Email |
| Stuth, Benedict (Benny) | Airport Manager | Innovation & Economic Development | (925) 960-8230 | Email |
| Mirassou, Katherine | Assistant City Attorney | City Attorney | | Email |
| O'Toole, Molly | Assistant City Attorney | City Attorney | | Email |
| Spence, Paul | Assistant City Manager | City Manager | (925) 960-4400 | Email |
| Moufarrej, Franc | Chief Building Official | Community Development | (925) 960-4410 | Email |
| Cilley, Kimberly | City Attorney | City Attorney | (925) 960-4150 | Email |
| Elam, Debbie | City Clerk | City Clerk | (925) 960-4200 | Email |