California counties › Sonoma County

Filing a civil complaint in Sonoma County

Where it goes, what the clerk wants with it, and what gets filings bounced.

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Where to file

Civil & Family Law Courthouse3055 Cleveland Avenue, Santa Rosa, CA 95403All civil filings (single civil filing location); address as printed on current court forms (e.g., FL-092). Older forms show 600 Administration Dr, Room 107-J (superseded).

What Sonoma County requires with the complaint

Beyond the statewide Civil Case Cover Sheet (CM-010), Summons (SUM-100), and your complaint.

No county-specific form is required with a new civil complaint in Sonoma County. The statewide set (Civil Case Cover Sheet CM-010, Summons SUM-100, and the complaint) is what the clerk expects.

Checked against the court's local rules and forms pages on 2026-10-09.

What to serve with the summons

Official copies: Notice of Assignment to One Judge for All Purposes and Notice of Case (CV-1) ยท Alternative Dispute Resolution Information Sheet (CV-2)

What filers get caught by here

What SimpleCase generates for a Sonoma County filing

From one uploaded complaint, reviewed on one screen before anything downloads.

See it on a Sonoma County case

A sample case is waiting with this county's forms. No credit card, first three cases free.

Try it with a Sonoma County sample

SimpleCase prepares document drafts for attorney review; it is not a law firm and does not provide legal advice, and no attorney-client relationship is created by using it. Court data on this page is sourced from the 1Court Directory with the verification date shown, and statutes and court rules change: always confirm current requirements, deadlines, and fees with the clerk of the court before filing.