| Business | Phone |
| Contra Costa County Health Pln 595 Center Ave # 100, Martinez 94553 | (925) 313-6000 |
| Contra Costa County Health Svc 597 Center Ave # 320, Martinez 94553 | (925) 313-6300 |
| Contra Costa Public Health Lab 1111 Ward St, Martinez 94553 | (925) 646-2551 |
| Public Health Clinic Svc 597 Center Ave # 375, Martinez 94553 | (925) 313-6250 |
| Public Health Svc 597 Center Ave # 110, Martinez 94553 | (925) 313-6100 |
| Contra Costa County Health Svc 20 Allen St, Martinez 94553 | (925) 370-5064 |
| Contra Costa County Health Svc 2530 Arnold Dr # 120, Martinez 94553 | (925) 335-8850 |
| Contra Costa County Health Svc 4645 Pacheco Blvd, Martinez 94553 | (925) 646-9270 |
| Contra Costa County Health Svc 597 Center Ave # 320, Martinez 94553 | (925) 313-6500 |
| Contra Costa Public Health 597 Center Ave # 200, Martinez 94553 | (925) 313-6710 |
| Forensic Mental Health Svc 10 Douglas Dr # 140, Martinez 94553 | (925) 313-1150 |
| Mental Health Commissioner 1340 Arnold Dr # 200, Martinez 94553 | (925) 957-5149 |
| Mental Health Crisis Srvc 2500 Alhambra Ave, Martinez 94553 | (925) 646-2800 |
| Office Of Vital Records 826 Main St, Martinez 94553 | (925) 646-2516 |