| Business | Phone |
| Sonoma Cnty Court Investigator 1450 Guerneville Rd, Santa Rosa 95403 | (707) 565-7030 |
| Sonoma County Family Court 475 Aviation Blvd # 110, Santa Rosa 95403 | (707) 565-7060 |
| Sonoma County Judges 1450 Guerneville Rd, Santa Rosa 95403 | (707) 524-7140 |
| Sonoma County Juvenile Court 133 Pythian Rd, Santa Rosa 95409 | (707) 537-6307 |
| Sonoma County Superior Court 600 Administration Dr # 106j, Santa Rosa 95403 | (707) 565-1100 |