Mason County Court Information
Courts, filing fees, e-filing, and clerk contacts for Mason County, Washington.
Everything shown is verified from official court sources. Still being confirmed: E-filing. Spot something off? Let us know.
Need to file or serve in Mason County? 1Court can file and serve it for you.
Start →Filing at a Glance
Verified from official sources · 2026-07-26At $290, the civil filing fee in Mason County is higher than most nearby counties (median $240 across 5 nearby counties).
Self-Help & Jury
Frequently Asked Questions
How much does it cost to file a civil case in Mason County?
The civil filing fee in Mason County, Washington is $290.00 (Superior Court, new civil case), current.
Is there a free online case search for Mason County?
Yes. You can look up cases online at odysseyportal.courts.wa.gov.
Where do I file court documents in Mason County?
Filings go to the Mason County Clerk, located at 419 N 4th St, Shelton, WA 98584. You can reach the clerk at (360) 427-9670.
Nearby Counties
Largest Counties in Washington
Building with court data?
Free read-only MCP server, plus a monthly change-feed of what changed — for EFSPs, legal software, and AI teams.