Last Updated on March 2026
King County Superior Court Information
| Location | Address | Hours | Contact Information | Additional Notes |
|---|---|---|---|---|
| King County Courthouse | 516 3rd Ave, Seattle, WA 98104 | 8:30 AM to 4:30 PM, Monday through Friday | 206-296-9300 | Arrive early due to security; parking can be challenging. |
| Maleng Regional Justice Center | 401 4th Ave N, Kent, WA 98032 | 8:30 AM to 4:30 PM, Monday through Friday | 206-296-9300 | Arrive early due to security; parking can be challenging. |
Eligibility and Washington State Residency Requirements
In Washington State, filing for divorce is straightforward due to its no-fault standard. Most in King County simply claim the marriage is “irretrievably broken,” allowing them to bypass blame. This approach promotes a smoother, more cooperative process. The only requirement is that one spouse must reside in the state.
The 90-Day Waiting Period and Residency Rules
In King County, WA, a 90-day waiting period is mandatory before finalizing a divorce. This period starts from the later of filing or serving the divorce petition. One spouse must be a Washington resident to file, usually shown by living in or having strong ties to the state.
How to File for Divorce in King County: Step-by-Step
Successfully going through a divorce in King County requires knowing the legal timeline and preparing carefully. Start by collecting essential documents and understanding your rights and responsibilities. file your divorce papers with the court clerk, either in person or online.
Step 1: Preparing Essential King County Divorce Forms
To start a divorce in King County, WA, file the “Petition for Divorce” (FL Divorce 201) to request the court end your marriage and state your wishes for asset division and other issues. Attach the “Summons,” informing your spouse of the filing and their response options. You also need a “Confidential Information Form” to protect details like Social Security numbers and financial accounts. If you have children, include a “Parenting Plan” to outline custody, visitation, and decision-making, ensuring their best interests are prioritized. Meticulously prepping these documents smooths out the divorce process and protects sensitive information.
Ready to get divorced without the stress and high legal fees? Complete a quick online questionnaire and receive your fully prepared Washington divorce forms in just a few days. Start now and take the first step toward a faster, simpler divorce process.
Get Started NowStep 2: Filing Fees and King Clerk’s Office Procedures
In 2026, the divorce filing fee in King County, WA, is $364. You can pay by cash, check, money order, or major credit/debit card, just make sure it aligns with the Clerk’s Office preferences. If the fee is a financial burden, you can apply for a waiver by submitting a financial statement that outlines your income and expenses for court review.
Step 3: Service of Process and Proof of Service
In King County, Washington, after filing for divorce, you must have the divorce papers delivered to the respondent via a formal Service of Process. This involves either a neutral third party over 18 or a professional process server delivering the papers. You then need to submit Proof of Personal Service to the court, confirming receipt.
Requirements for Parents: The Mandatory Parenting Seminar
In King County, Washington, parents going through separation or divorce must attend a state-approved, four-hour Parent Stabilization Class. This seminar aims to educate them on the effects of family restructuring on children and support effective co-parenting. After finishing the class, they receive a Certificate of Completion to be filed with the court, proving they’ve met this requirement.
Finalizing Your Case in King County Superior Court
To finalize an uncontested divorce in King County Superior Court, complete and agree on all necessary documents with your spouse. Meet with a Courthouse Facilitator to verify compliance with court requirements and set a final hearing date. Attend the hearing with all required documents, where the judge will sign the Final Divorce Decree. After the judge’s approval, your divorce is legal, and the marriage ends.
Sharon Cruz is a Legal Forms Specialist with over 10 years of experience researching U.S. divorce procedures and court filing requirements. Her work focuses on Washington State divorce law, drawing from publicly available statutes, Superior Court procedures, and official Washington Courts resources. As a former legal assistant, Sharon is the best when it comes to creating practical checklists for couples going through a divorce.