25510 Lawson Street
PO Box 599
Black Diamond, WA 98010
8:30 a.m. - 5 p.m. Monday - Friday
Court Administrator- Stephanie Metcalf : firstname.lastname@example.org
The Municipal Court of Black Diamond is a court of limited jurisdiction in Washington, presiding over only infractions, misdemeanors and gross misdemeanors. Other matters such as felony cases are filed and disposed of in King County Superior Court.