| Business | Phone |
| Adoptions & Home Finding Unit 30 Muir Rd, Martinez 94553 | (925) 313-7760 |
| Born Free Program 425 C St, Martinez 94553 | (925) 646-1165 |
| Capital Projects Div 1220 Morello Ave # 100, Martinez 94553 | (925) 313-7200 |
| Contra Costa Birth Certifcates 826 Main St, Martinez 94553 | (925) 646-2517 |
| Contra Costa Building Inspctn 651 Pine St # 3, Martinez 94553 | (925) 646-2300 |
| Contra Costa Building Mntnc 2467 Waterbird Way, Martinez 94553 | (925) 646-2218 |
| Contra Costa Cnty Adult Prtctv 2530 Arnold Dr # 300, Martinez 94553 | (925) 313-1780 |
| Contra Costa Cnty Appeals Brd 651 Pine St, Martinez 94553 | (925) 335-1901 |
| Contra Costa Cnty Mental Hlth 1340 Arnold Dr # 200, Martinez 94553 | (925) 313-6414 |
| Contra Costa Cnty Pub Guardian 624 Ferry St, Martinez 94553 | (925) 646-2901 |
| Contra Costa Cnty Public Hlth 595 Center Ave # 310, Martinez 94553 | (925) 313-6150 |
| Contra Costa Cnty Supvr Clerk 651 Pine St # 106, Martinez 94553 | (925) 335-1900 |
| Contra Costa Cnty Victim Wtnss 100 Glacier Dr # A, Martinez 94553 | (925) 646-2474 |
| Contra Costa Conservatorship 624 Ferry St, Martinez 94553 | (925) 646-2791 |
| Contra Costa Coroner-Morgue 1960 Muir Rd, Martinez 94553 | (925) 313-2850 |
| Contra Costa County Adm 651 Pine St # 11, Martinez 94553 | (925) 335-1080 |
| Contra Costa County Adoption 2530 Arnold Dr # 200, Martinez 94553 | (925) 335-7040 |
| Contra Costa County Aid 40 Muir Rd, Martinez 94553 | (925) 313-1827 |
| Contra Costa County Community 651 Pine St # 9, Martinez 94553 | (925) 335-1800 |
| Contra Costa County Coroner 1960 Muir Rd, Martinez 94553 | (925) 313-2600 |
| Contra Costa County Emergency 50 Glacier Dr, Martinez 94553 | (925) 646-4461 |
| Contra Costa County Human Rsrc 651 Pine St # 3, Martinez 94553 | (925) 335-1770 |
| Contra Costa County Juvenile 202 Glacier Dr, Martinez 94553 | (925) 646-4823 |
| Contra Costa County Recorder 730 Las Juntas St, Martinez 94553 | (925) 646-2360 |
| Contra Costa County Redev Agcy 651 Pine St # 5, Martinez 94553 | (925) 335-1275 |
| Contra Costa County Risk Mgmt 2530 Arnold Dr # 140, Martinez 94553 | (925) 335-1400 |
| Contra Costa Elections & Reg 524 Main St, Martinez 94553 | (925) 646-4166 |
| Contra Costa Emergency Med Svc 1340 Arnold Dr, Martinez 94553 | (925) 646-4690 |
| Contra Costa Health Club 651 Pine St, Martinez 94553 | (925) 646-1540 |
| Contra Costa Juvenile Div 10 Douglas Dr # 200, Martinez 94553 | (925) 646-2334 |
| Contra Costa Juvenile Hall 202 Glacier Dr, Martinez 94553 | (925) 646-4800 |
| Contra Costa Office-Emergency 50 Glacier Dr, Martinez 94553 | (925) 228-5000 |
| Contra Costa Permit Center 1330 Arnold Dr # 252, Martinez 94553 | (925) 646-1600 |
| Contra Costa Personnel Dept 651 Pine St # 5, Martinez 94553 | (925) 646-4047 |
| Contra Costa Trans Engineering 255 Glacier Dr, Martinez 94553 | (925) 313-2250 |
| County Coroner 1960 Muir Rd, Martinez 94553 | (925) 646-2453 |
| County Of Contra Costa 2500 Alhambra Ave, Martinez 94553 | (925) 370-5700 |
| Department Of Infm Technology 30 Douglas Dr, Martinez 94553 | (925) 313-1200 |
| Family Maternal & Child Health 597 Center Ave # 365, Martinez 94553 | (925) 313-6254 |
| Human Resources Dept 651 Pine St # 2, Martinez 94553 | (925) 646-4046 |
| La Casa Ujima Residential Prgm 904 Mellus St, Martinez 94553 | (925) 229-0230 |
| Office Of Communications & Med 10 Douglas Dr # 210, Martinez 94553 | (925) 313-1180 |
| Aids Services-Contra Costa 597 Center Ave # 200, Martinez 94553 | (925) 313-6770 |
| Alcohol & Other Drugs Svc 597 Center Ave # 320, Martinez 94553 | (925) 313-6300 |
| Alternate Defender Office 610 Court St, Martinez 94553 | (925) 646-1740 |
| Contra Costa Animal Svc Dept 4849 Imhoff Pl, Martinez 94553 | (925) 646-2995 |
| Contra Costa Cnty Adult Prtctv 2530 Arnold Dr # 300, Martinez 94553 | (925) 646-2854 |
| Contra Costa Cnty American Act Martinez 94553 | (925) 335-1436 |
| Contra Costa Cnty Ct File Unit 1111 Ward St, Martinez 94553 | (925) 646-2967 |
| Contra Costa Cnty Ct Invstgtr Po Box 911, Martinez 94553 | (925) 957-7970 |
| Contra Costa Cnty Divorce Rcrd 1111 Ward St, Martinez 94553 | (925) 646-2950 |
| Contra Costa Cnty Employment 30 Muir Rd, Martinez 94553 | (925) 313-7987 |
| Contra Costa Cnty Family Spprt Martinez 94553 | (925) 313-4200 |
| Contra Costa Cnty Fictitious 822 Main St, Martinez 94553 | (925) 646-2360 |
| Contra Costa Cnty Foster Home 2530 Arnold Dr # 200, Martinez 94553 | (925) 335-7040 |
| Contra Costa Cnty Mental Hlth 1340 Arnold Dr # 200, Martinez 94553 | (925) 957-5150 |
| Contra Costa Cnty Municipal Ct 1010 Ward St, Martinez 94553 | (925) 646-2440 |
| Contra Costa Cnty Pub Wrks Dep 2475 Waterbird Way, Martinez 94553 | (925) 313-7000 |
| Contra Costa Cnty Public Adm 4100 Alhambra Ave, Martinez 94553 | (925) 646-2761 |
| Contra Costa Cnty Public Hlth 597 Center Ave # 280, Martinez 94553 | (925) 313-6150 |
| Contra Costa Cnty Superior Ct 725 Court St # 103, Martinez 94553 | (925) 646-2440 |
| Contra Costa County Adoption 30 Muir Rd, Martinez 94553 | (925) 313-7770 |
| Contra Costa County Child Sppt 50 Douglas Dr # 100, Martinez 94553 | (925) 957-7300 |
| Contra Costa County Cnsrvtrshp 2530 Arnold Dr, Martinez 94553 | (925) 335-8785 |
| Contra Costa County Comm Dev 651 Pine St # 4, Martinez 94553 | (925) 335-1290 |
| Contra Costa County Coroner 1980 Muir Rd, Martinez 94553 | (925) 313-2600 |
| Contra Costa County Counsel 651 Pine St # 9, Martinez 94553 | (925) 335-1800 |
| Contra Costa County Dispute 625 Court St, Martinez 94553 | (925) 646-2127 |
| Contra Costa County Employment 600 Main St, Martinez 94553 | (925) 957-7120 |
| Contra Costa County Forensic 1122 Escobar St, Martinez 94553 | (925) 335-1600 |
| Contra Costa County Housing 1805 Arnold Dr, Martinez 94553 | (925) 957-7003 |
| Contra Costa County Housing 3133 Estudillo St, Martinez 94553 | (925) 957-8000 |
| Contra Costa County Veterans 10 Douglas Dr # 100, Martinez 94553 | (925) 313-1481 |
| Contra Costa County Volunteer 30 Muir Rd, Martinez 94553 | (925) 313-7910 |
| Contra Costa Fictitious Bus 822 Main St, Martinez 94553 | (925) 646-2954 |
| Contra Costa Grand Jury 725 Court St # 100, Martinez 94553 | (925) 646-2345 |
| Contra Costa Housing Dept 651 Pine St, Martinez 94553 | (925) 646-2035 |
| Contra Costa Jury Commissioner 1020 Ward St, Martinez 94553 | (925) 646-2002 |
| Contra Costa Lease Management 1220 Morello Ave # 100, Martinez 94553 | (925) 313-7250 |
| Contra Costa Local Agency Comm 651 Pine St # 8, Martinez 94553 | (925) 646-4090 |
| Contra Costa Marriage Licenses 822 Main St, Martinez 94553 | (925) 646-2956 |
| Contra Costa Purchasing 1220 Morello Ave # 210, Martinez 94553 | (925) 313-7300 |
| Healthy Start Program 2500 Alhambra Ave, Martinez 94553 | (925) 370-5495 |
| Senior Nutrition Program 1330 Arnold Dr # 252, Martinez 94553 | (925) 313-6700 |
| Spay-Neuter-Vaccination Clinic 4849 Imhoff Pl, Martinez 94553 | (925) 646-4484 |
| Substance Abuse Perinatal Svc 2500 Alhambra Ave, Martinez 94553 | (925) 370-5603 |
| Substance Abuse Svc 10 Douglas Dr, Martinez 94553 | (925) 313-1050 |