CivilFamily
Superior Court of California, County of Sonoma - Civil and Family Law Courthouse
Address
3055 Cleveland Ave, Santa Rosa, 95403
Phone
Sonoma County courts
Filing fees, clerk information, and official court links.
Reviewed Jul 26, 2026 · Official sources
Filing fees
Official fee schedule| Filing type | Fee |
|---|---|
| Civil lawsuit | $435 |
| Small claims | $30 to $75 |
| Divorce / family | $435 |
Fees depend on case type and amount; confirm with the court before filing. At $435, the civil filing fee in Sonoma County is about the same as nearby counties (median $435 across 6 nearby counties).
Clerk & court records
Superior Court of California, County of Sonoma
Civil and Family Law Courthouse · Mon-Fri 8:00 AM-3:30 PM
Courthouses in Sonoma County
Civil
Superior Court of California, County of Sonoma - Empire College Annex
Address
3035 Cleveland Ave, Suite 200, Santa Rosa, 95403
Phone
CriminalTrafficJuvenile
Superior Court of California, County of Sonoma - Hall of Justice
Address
625 Administration Dr, Santa Rosa, 95403
Phone
Juvenile
Superior Court of California, County of Sonoma - Juvenile Justice Center
Address
7425 Rancho Los Guilicos Rd, Santa Rosa, 95409
Phone
Need papers served or filed in Sonoma County? Nationwide Legal, our partner company, handles process service and court filing here.
Official links
Frequently Asked Questions
How much does it cost to file a civil case in Sonoma County?
The civil filing fee in Sonoma County, California is $435.00 (first paper, unlimited civil over $25,000)
What is the small claims filing fee in Sonoma County?
$30-$75 ($30 if $1,500 or less; $50 up to $5,000; $75 up to $10,000)
How much does it cost to file for divorce or a family case in Sonoma County?
$435.00 (dissolution/legal separation/nullity first petition)
Can I e-file court documents in Sonoma County?
Yes. E-filing is available.
Is there a free online case search for Sonoma County?
Yes. You can look up cases online at cmsportal.sonomacourt.org.
Where do I file court documents in Sonoma County?
Filings go to the Superior Court of California, County of Sonoma, located at 3055 Cleveland Ave, Santa Rosa, CA 95403. You can reach the clerk at (707) 521-6610.