| 24-hr Emergency/Non-Emergency | | Police | (925) 371-4987 | |
| Abandoned Vehicle Hotline | | Police | (925) 371-4824 | |
| Alcala, Jason | City Attorney | City Attorney | (925) 960-4150 | Email |
| Animal Control | | Police | (925) 371-4987 | |
| Baker, Anwan | Library Services Director | Library | (925) 373-5509 | 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 |
| Carling, Bob | Councilmember | City Council | (925) 960-4018 | Email |
| Chief of Police Office | | Police | (925) 371-4710 | |
| Cilley, Kim | Senior Assistant 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 |
| Earl, Frances | Housing & Human Services Manager | | (925) 960-4580 | Email |
| Elam, Debbie | City Clerk | City Clerk | (925) 960-4200 | Email |
| Erlandson, Judy | Acting Public Works Director | Public Works | (925) 960-8015 | Email |
| Furtado, Ann | Accounting Supervisor | | (925) 960-4351 | 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 | |
| Hein, Tracy | Disaster Preparedness Manager | Fire | (925) 454-2361 | |
| Hilton, Kristen | Human Resources Manager | Administrative Services | (925) 960-4100 | Email |
| Horizons Family Counseling | | Police | (925) 371-4747 | |
| James, Clay | Assistant City Clerk | City Clerk | (925) 960-4210 | Email |
| Kiick, Brittni | Councilmember | City Council | (925) 960-4019 | Email |
| Lam, T. Ki | Management Analyst II | | (925) 960-4336 | Email |
| Lin, Benjie | Accounting Supervisor | | (925) 960-4353 | Email |
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