How do I start a divorce in Sonoma County?
To start a divorce in Sonoma County, you must file a Petition for Dissolution of Marriage with the Sonoma County Superior Court at the Civil & Family Law Courthouse, located at 3055 Cleveland Avenue in Santa Rosa, California. The process begins by filing Form FL-100 (Petition) and Form FL-110 (Summons). If you are represented by an attorney, your documents must be electronically filed (e-filed). Once filed and served, California’s mandatory six-month waiting period begins.
If you are considering divorce in Santa Rosa, understanding the local filing rules and procedures can prevent costly delays.
Step 1: Make Sure You Meet California Residency Requirements
Under California Family Code § 2320, you may file for divorce in Sonoma County if:
- You have lived in California for at least 6 months, and
- You have lived in Sonoma County for at least 3 months before filing.
If you do not yet meet the 3-month county requirement, you may file for legal separation first and later amend your case to a divorce once residency is satisfied. Learn more about this option here: Legal Separation Attorney Santa Rosa.
Step 2: Prepare and File the Initial Divorce Forms
The Santa Rosa divorce process officially begins with two primary documents:
- Form FL-100 (Petition for Dissolution of Marriage) – Outlines requests regarding property division, custody, support, and attorney’s fees.
- Form FL-110 (Summons) – Notifies your spouse that a divorce case has been filed and activates Automatic Temporary Restraining Orders (ATROs).
Once filed, these documents must be formally served on your spouse. Proper service is essential. Mistakes at this stage are one of the most common reasons divorce cases in Sonoma County are delayed.
Sonoma County Local Rule 17.22 & Mandatory E-Filing (2026 Update)
Under Sonoma County Superior Court Local Rule 17.22, all represented parties must electronically file family law documents.
E-filing:
- Speeds up processing time
- Reduces clerical rejection errors
- Typically generates your case number faster
- Creates immediate digital records
If you work with a divorce attorney in Santa Rosa, your case will be filed electronically through the court’s approved system.
Self-represented individuals may still file in person at the clerk’s office, though processing times may vary.
Where to File: Sonoma County Civil & Family Law Courthouse
Address: 3055 Cleveland Avenue, Santa Rosa, CA
Division: Civil & Family Law
Typical Clerk Hours: Monday–Friday, 8:00 AM to 3:00 PM (confirm before visiting)
Local Pro Tips for Filing in Santa Rosa
- Arrive early — parking at the Cleveland Avenue courthouse fills quickly in the morning.
- Bring multiple copies of your paperwork if filing in person.
- Double-check your forms before submission to avoid rejection.
- Ask the clerk to confirm your case number before leaving.
These small procedural details can significantly impact how smoothly your case proceeds.
What Happens After Filing?
After filing and service:
- Your spouse has 30 days to respond.
- Both parties must exchange financial disclosures.
- The six-month waiting period begins on the date of service.
Many Santa Rosa couples choose mediation to resolve disputes outside of court. You can learn more here: The Role of Mediation in Santa Rosa Divorce Cases.
Work With Andrew Conway of Conway Law
Divorce is not just paperwork — it is a legal and financial transition that affects your future. Andrew Conway, helps clients throughout Santa Rosa and Sonoma County navigate the divorce process efficiently and strategically.
From ensuring correct e-filing compliance to protecting your financial interests, experienced guidance can help you avoid procedural errors that delay your case or increase costs.
Learn more about Andrew Conway and his approach here: About Conway Law.
Start Your Sonoma County Divorce the Right Way
If you are preparing to file for divorce at the Sonoma County Superior Court, having the right legal guidance can make the process smoother and less stressful.
Schedule a consultation today to ensure your Santa Rosa divorce filing is handled correctly from day one. You can contact Conway Law by completing the form below or call (707) 608-9942