| Business | Phone |
| California Childern Svc 4207 Delta Fair Blvd, Antioch 94509 | (925) 427-8522 |
| Contra Costa County Gain Unit 4545 Delta Fair Blvd, Antioch 94509 | (925) 706-4730 |
| In-Home Supportive Svc 4545 Delta Fair Blvd, Antioch 94509 | (925) 706-4750 |
| Contra Costa Senior Legal Svc Antioch 94509 | (925) 706-4852 |
| Contra Costa Substance Abuse 2400 Sycamore Dr # 36, Antioch 94509 | (925) 427-8632 |