| 24-hr Emergency/Non-Emergency | | Police | (925) 371-4987 | |
| Animal Control | | Police | (925) 371-4987 | |
| Baker, Anwan | Library Services Director | Library | (925) 373-5509 | Email |
| Benz, Kellie | Public Works Communications Analyst | Public Works | (925) 960-8010 | Email |
| Brown, Carl | Public Works Director | Public Works | (925) 960-8003 | Email |
| Burch, Marianna | City Manager | City Manager | (925) 960-4040 | Email |
| Calkins, Jason | Public Works Supervisor - Streets / Signals / Facilities | Public Works | (925) 960-8020 | Email |
| Cardwell, Brandon | Innovation & Economic Development Director | Innovation & Economic Development | (925) 960-4140 | Email |
| Chief of Police Office | | Police | (925) 371-4710 | |
| Cilley, Kimberly | City Attorney | City Attorney | (925) 960-4150 | Email |
| Cole, Herbert | Emergency Manager | City Manager | (925) 960-4038 | Email |
| Crime Prevention | | Police | (925) 371-4797 | |
| Criminal Investigations Unit | | Police | (925) 371-4700 | |
| Dispatch Center | | Police | (925) 371-4987 | |
| Doyle, David | Accounting Supervisor | | (925) 960-4352 | Email |
| Earl, Frances | Housing & Human Services Manager | Community Development | (925) 960-4580 | Email |
| Elam, Debbie | City Clerk | City Clerk | (925) 960-4200 | Email |
| Erlandson, Judy | Public Works Manager - Public Services | Public Works | (925) 960-8015 | Email |
| Freyaldenhoven, Paula | Assistant Airport Manager | Innovation & Economic Development | (925) 960-8227 | Email |
| Gan, Marisa | Management Analyst II | Public Works | (925) 960-8023 | Email |
| Gang Tip Hotline | | Police | (925) 371-4790 | |
| Hearing Impaired | | Police | (925) 371-4982 | |
| Hilton, Kristen | Human Resources Manager | Administrative Services | (925) 960-4100 | Email |
| Horizons Family Counseling | | Police | (925) 371-4747 | |
| Jones, Christopher | Senior Management Analyst Maintenance | Public Works | (925) 960-8100 | Email |
| Lam, T. Ki | Management Analyst II | | (925) 960-4336 | Email |
| Lin, Benjie | Accounting Supervisor | | (925) 960-4353 | Email |
| Main Police Phone Number | | Police | (925) 371-4900 | |
| Mazzanti, Tara | Assistant City Attorney | City Attorney | | Email |
| Media Inquiries | | City Manager | (925) 960-4040 | Email |
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