| Business | Phone |
| 4-H Youth 669 County Square Dr, Ventura 93003 | (805) 645-1470 |
| Business Licenses 800 S Victoria Ave, Ventura 93009 | (805) 654-2653 |
| Children Protective Svc 4651 Telephone Rd, Ventura 93003 | (805) 654-3270 |
| County Payroll 800 S Victoria Ave # 1540, Ventura 93009 | (805) 654-3161 |
| County Surveyor 800 S Victoria Ave, Ventura 93009 | (805) 654-2066 |
| Faculty Medical Group 133 W Santa Clara St, Ventura 93001 | (805) 652-6722 |
| Hca Adm 2323 Knoll Dr, Ventura 93003 | (805) 677-5110 |
| Land Development & Inspection 800 S Victoria Ave, Ventura 93009 | (805) 654-2030 |
| Lot Merger-Illegal Land Div 800 S Victoria Ave, Ventura 93009 | (805) 654-2489 |
| Marriage Licenses 800 S Victoria Ave, Ventura 93009 | (805) 654-3788 |
| Planning Division 800 S Victoria Ave # 1740, Ventura 93009 | (805) 654-2494 |
| Registrar Of Voters 800 S Victoria Ave, Ventura 93009 | (805) 654-2781 |
| Support Services 651 E Main St, Ventura 93001 | (805) 652-7523 |
| West Ventura Adult Svc Clinic 56 E Main St # 103, Ventura 93001 | (805) 648-9506 |
| Ventura Chief Administrative 800 S Victoria Ave # 1940, Ventura 93009 | (805) 654-2680 |
| Ventura Cnty Assessment Clerk 800 S Victoria Ave # 1920, Ventura 93009 | (805) 654-2251 |
| Ventura Cnty Drinking Driving 702 County Square Dr, Ventura 93003 | (805) 658-4250 |
| Ventura Cnty Juvenile Traffic 800 S Victoria Ave, Ventura 93009 | (805) 654-2611 |
| Ventura Counseling Center 739 E Main St, Ventura 93001 | (805) 652-7823 |
| Ventura County Behavioral Hlth 200 Hillmont Ave, Ventura 93003 | (805) 652-6727 |
| Ventura County Behavioral Hlth 300 Hillmont Ave, Ventura 93003 | (805) 652-6737 |
| Ventura County Behavioral Hlth 3160 Telegraph Rd, Ventura 93003 | (805) 652-6730 |
| Ventura County Building & Sfty 800 S Victoria Ave, Ventura 93009 | (805) 654-2771 |
| Ventura County Casa 800 S Victoria Ave # 408, Ventura 93009 | (805) 654-3597 |
| Ventura County Child Recovery 4651 Telephone Rd, Ventura 93003 | (805) 654-5547 |
| Ventura County Co-Op Extension 669 County Square Dr # 100, Ventura 93003 | (805) 645-1451 |
| Ventura County Counsel 800 S Victoria Ave # L1830, Ventura 93009 | (805) 654-2580 |
| Ventura County Emergency Shltr 801 Poinsettia Pl, Ventura 93001 | (805) 641-4460 |
| Ventura County Employees Rtrmt 1190 S Victoria Ave # 200, Ventura 93003 | (805) 339-4250 |
| Ventura County Employees' 800 S Victoria Ave # 1300, Ventura 93009 | (805) 654-3736 |
| Ventura County Facilities 800 S Victoria Ave # L3000, Ventura 93009 | (805) 654-3878 |
| Ventura County Fostercare Lcs 4651 Telephone Rd, Ventura 93003 | (805) 654-3456 |
| Ventura County Government Center 800 S Victoria Ave, Ventura 93009 | (805) 654-5000 |
| Ventura County Grand Jury 646 County Square Dr, Ventura 93003 | (805) 477-1600 |
| Ventura County Guardian 800 S Victoria Ave, Ventura 93009 | (805) 654-3141 |
| Ventura County Honor Farm 800 S Victoria Ave, Ventura 93009 | (805) 649-6020 |
| Ventura County Human Resources 800 S Victoria Ave, Ventura 93009 | (805) 654-2639 |
| Ventura County In Home Support 4651 Telephone Rd, Ventura 93003 | (805) 654-3272 |
| Ventura County Jury Svc Dept 800 S Victoria Ave, Ventura 93009 | (805) 654-2255 |
| Ventura County Juvenile Center 381 Hospital Rd, Ventura 93003 | (805) 652-6594 |
| Ventura County Med Examiner 3291 Loma Vista Rd, Ventura 93003 | (805) 641-4400 |
| Ventura County Medical Center 3147 Loma Vista Rd, Ventura 93003 | (805) 652-6524 |
| Ventura County Office 800 S Victoria Ave, Ventura 93009 | (805) 933-8484 |
| Ventura County Public Adm 800 S Victoria Ave, Ventura 93009 | (805) 654-3741 |
| Ventura County Recorder 800 S Victoria Ave, Ventura 93009 | (805) 654-2291 |
| Ventura County Risk Management 800 S Victoria Ave # L1040, Ventura 93009 | (805) 654-3197 |
| Ventura County Senior Citizens 4651 Telephone Rd, Ventura 93003 | (805) 654-3275 |
| Ventura County Weights & Msrs 800 S Victoria Ave # 1750, Ventura 93009 | (805) 654-2444 |
| Ventura County Witness Crdntn 800 S Victoria Ave, Ventura 93009 | (805) 654-3006 |
| Ventura County Workers Comp 4245 Market St, Ventura 93003 | (805) 289-1969 |
| Ventura Isd-Computer Systems 800 S Victoria Ave, Ventura 93009 | (805) 654-3540 |
| Ventura Local Agency Formation 800 S Victoria Ave, Ventura 93009 | (805) 654-2576 |
| Ventura Pediatric Diagnostic 3160 Loma Vista Rd, Ventura 93003 | (805) 641-4490 |
| Ventura Superior Municipal Ct 800 S Victoria Ave, Ventura 93009 | (805) 654-2965 |