King County, WA
How to Change Your Name in King County
Court Information
- Court
- King County Court
- Filing fee
- $25
- Fee waiver
- Available for qualifying petitioners
Step-by-Step Process
- Gather documents: certified birth certificate, photo ID, proof of residency in King County
- Complete the name change petition form (available from the King County Court clerk or website)
- If you cannot afford the filing fee ($25), complete a fee waiver form and file it alongside your petition
- File your petition at the King County Court
- Attend a hearing if required (some counties waive hearings for uncontested adult name changes)
- If approved, get certified copies of the court order — you will need one for Social Security, DMV, passport, and banks
- Update SSA first, then DMV, then passport, then all other records
Not legal advice: Court rules, fees, and procedures vary by county and change over time. Verify current requirements with the King County Court clerk before filing.