| Business | Phone |
| Planning Dept 94 N Washington St, Sonora 95370 | (209) 532-3508 |
| Sonora Administrator 94 N Washington St, Sonora 95370 | (209) 532-6115 |
| Sonora City Mechanic 111 School, Sonora 95370 | (209) 532-3272 |
| Sonora City Special Programs 94 N Washington St, Sonora 95370 | (209) 532-7725 |
| Sonora Human Resources Dept 94 N Washington St, Sonora 95370 | (209) 588-8946 |