Local Coverage
Mason County, Washington is served by its own Superior Court. Our local agents are familiar with this court's filing requirements and can execute personal service, substitute service, or skip tracing anywhere in Mason County, returning a sworn proof of service that meets Washington's evidentiary standard.
Service Methods Available
Direct, in-hand delivery of the summons and complaint to the named party at any address within Mason County, the primary and most reliable method of service.
Start personal service in Mason County →Where personal service proves impractical after reasonable attempts, Washington's rules permit substitute service on a qualifying adult at the defendant's residence or place of business within Mason County.
Discuss substitute service eligibility →When a defendant can't be located at a known address, our investigative team conducts a documented search across Mason County to establish a current, serviceable address.
Request a locate investigation →Local Court Directory
Superior Court
419 North 4th Street, Shelton, WA 98584
(360) 357-2077
M-F: 8:00 AM–4:30 PM
Visit court website →Common Questions
Civil matters in Mason County are handled by the Washington Superior Court — see the Local Court Directory above for exact address and contact information.
Yes, our network covers all of Mason County, Washington.
A sworn affidavit of service documenting when, where, and how the documents were delivered, meeting Washington's evidentiary standard.
Talk to our team about service of process in Mason County, Washington.