| County Garage | 209-928-4431 |
| 18870 Birch Street, Tuolumne, CA 95379-9657 |
| Department of Child Support Services | 209-533-6400 |
| 975 Morning Star Drive, Sonora, CA 95370 |
| Groveland Youth Center | 209-962-7310 |
| 18933 Ferretti Road, Groveland, CA 95321-8512 |
| Information Systems Service | 209-533-5561 |
| 2 South Green Street, Sonora, CA 95370-4618 |
| Sonora Youth Center | 209-532-9847 |
| 732 Barretta Street, Sonora, CA 95370-5131 |
| Superior Court of California County of Administration | 209-533-6504 |
| 41 West Yaney Avenue, Sonora, CA 95370-4751 |
| Superior Court of California County of Civil/Probate/Small Claims | 209-533-5555 |
| 41 West Yaney Avenue, Sonora, CA 95370-4618 |
| Superior Court of California County of Criminal/Juvenile Division | 209-533-5563 |
| 60 North Washington Street, Sonora, CA 95370-4751 |
| Superior Court of California County of DA | 209-533-5511 |
| 41 West Yaney Avenue, Sonora, CA 95370-4751 |
| Superior Court of California County of Family Law | 209-533-6936 |
| 41 West Yaney Avenue, Sonora, CA 95370-4751 |
| Superior Court of California County of Jury Services | 209-533-5679 |
| 60 North Washington Street, Sonora, CA 95370-4611 |
| Superior Court of California County of Traffic Division | 209-533-5671 |
| 60 North Washington Street, Sonora, CA 95370-4751 |
|
| County Administrative Officer | 209-533-5511 |
| 2 South Green Street, Sonora, CA 95370-4618 |
| County Agriculture | 209-533-5691 |
| 22365 South Airport Road, Sonora, CA 95370-4618 |
| County Ambulance | 209-533-7368 |
| 20075 North Cedar Road, Sonora, CA 95370-2024 |
| County Animal Control | 209-984-1338 |
| 10040 Victoria Way, Sonora, CA 95370-4618 |
| County Assessor | 209-533-5535 |
| 2 South Green Street, Sonora, CA 95370-4618 |
| County Auditor - Controller | 209-533-5551 |
| 2 South Green Street, Sonora, CA 95370-4618 |
| County Board of Supervisors | 209-533-5521 |
| 2 South Green Street, Sonora, CA 95370-4618 |
| County Building Department | 209-533-5633 |
| 48 Yaney Avenue, Sonora, CA 95370-4612 |
| County Child Health & Disability Prevention | 209-533-7417 |
| 20111 North Cedar Road, Sonora, CA 95370-5939 |
| County Cooperative Extension-University of California | 209-533-5695 |
| 52 North Washington Street, Sonora, CA 95370-4709 |
| County Counsel | 209-533-5517 |
| 2 South Green Street, Sonora, CA 95370-4618 |
| County Court Recorder | 209-533-5531 |
| 2 South Green Street, Sonora, CA 95370-4618 |
|
| County Department of Public Works, Administration | 209-533-5601 |
| 48 West Yaney Avenue, Sonora, CA 95370-4618 |
| County Department of Public Works, Road Operations and Maintenance | 209-533-5601 |
| 48 West Yaney Avenue, Sonora, CA 95370-4618 |
| County Department of Public Works, Transportation Division 48 | 209-533-5601 |
| 48 West Yaney Avenue, Sonora, CA 95370-4618 |
| County Development | 209-533-5633 |
| 48 Yaney Avenue, Sonora, CA 95370-4618 |
| County Emergency Medical Services | 209-536-0620 |
| 1210 Sanguinetti Road, Sonora, CA 95370-6200 |
| County Facilities | 209-533-5660 |
| 229 West Jackson, Sonora, CA 95370-4618 |
| County Fire Department | 209-533-5548 |
| 2 South Forest Road, Sonora, CA 95370-4802 |
| County Garage District 4 | 209-962-7809 |
| 2 South Green Street, Sonora, CA 95370-4618 |
| County Human Resources | 209-533-5566 |
| 2 South Green Street, Sonora, CA 95370-4618 |
| County Law Library | 209-536-0308 |
| 68 North Washington Street, Sonora, CA 95370 |
| County Main Library | 209-533-5507 |
| 480 Greenley Road, Sonora, CA 95370-5956 |
| County Marshall's Office | 209-533-5958 |
| 60 North Washington Street, Sonora, CA 95370-4751 |
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| County Museum | 209-532-1317 |
| 158 West Bradford Avenue, Sonora, CA 95370-4920 |
| County Passport Agent | 209-533-5570 |
| 39 North Washington, Sonora, CA 95370-4618 |
| County Probation Department | 209-533-7500 |
| 465 South Washington Street, Sonora, CA 95370-5118 |
| County Public Administration Courthouse | 209-533-5511 |
| 41 West Yaney Avenue, Sonora, CA 95370-4618 |
| County Public Guardian | 209-533-7359 |
| 20075 North Cedar Road, Sonora, CA 95370-5900 |
| County Recorder | 209-533-5531 |
| 2 South Green Street, Sonora, CA 95370-4618 |
| County Sheriff-Coroner | 209-533-5855 |
| 28 Lower Sunset Drive, Sonora, CA 95370-4942 |
| County Sheriff-Groveland Community Service | 209-962-6974 |
| P.O. Box 881, Groveland, CA 95321-0881 |
| County Sheriff-Mono Village Community Service | 209-536-9828 |
| P.O. Box 4066, Sonora, CA 95370-4066 |
| County Social Service | 209-533-5711 |
| 20075 North Cedar Road, Sonora, CA 95370-5900 |
| County Special Education Office | 209-533-8716 |
| 175 Fairview Lane, Sonora, CA 95370-4809 |
| County Surveyor's Office | 209-533-5626 |
| 48 Yaney Avenue, Sonora, CA 95370-4612 |
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| County Tax Collector | 209-533-5544 |
| P.O. Box 3248, Sonora, CA 95370-3248 |
| County Veterans Committee | 209-533-0923 |
| 9 North Washington Street, Sonora, CA 95370-4705 |
| County Veterans Service Office | 209-533-6880 |
| 20100 Cedar Road North Suite A., Sonora, CA 95370 |
| Environmental Health | 209-533-5990 |
| 2 South Green Street, Sonora, CA 95370-4618 |
| General Hospital | 209-533-7100 |
| 101 Hospital Road, Sonora, CA 95370-5297 |
| General Hospital Rehabilitation | 209-533-7140 |
| 101 Hospital Road, Sonora, CA 95370-5227 |
| Mental Health Service | 209-533-3553 |
| 12801 Cabezut Road, Sonora, CA 95370-5938 |
| Purchasing Agent | 209-533-5541 |
| 2 South Green Street, Sonora, CA 95370-4618 |
| Recreation Department | 209-533-5663 |
| 43 North Green Street, Sonora, CA 95370-4616 |
| School Superintendent | 209-533-8710 |
| 175 Fairview Lane, Sonora, CA 95370-4809 |
| Victim-Witness Assistance Center | 209-588-5440 |
| 423 North Washington Street, Sonora, CA 95370-4612 |
