Office Hours
8:30-4:30   M-F
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Welcome to Mason County Superior Court

Mason County Superior Court is a trial court of general jurisdiction having original and appellate jurisdiction as authorized by the Constitution and the laws of the State of Washington.

Superior Court judges and court commissioners hear felony and other criminal matters, civil matters, domestic relations matters, guardianship and probate matters, juvenile matters as well as child dependency cases, and appeals from lower courts (Mason County District Court and Shelton Municipal Court), and appeals from state administrative agencies.

To serve the public by administering justice and resolving disputes under the law, thereby protecting the rights and liberties guaranteed by the constitutions and laws of the State of Washington and the United States.

Mason County Superior Court
419 N 4th Street
P.O. Box X
Shelton, WA  98584
(360) 427-9670 extension 348


Clerk of Court: (360) 427-9670 extension 346