Washington County Oregon Court in Circuit Court Municipal Courts Justice Courts Circuit Courts in Washington County Washington County Circuit Court – CourthousePhysical: 145 NE 2nd Avenue, Hillsboro, OR 97124Mailing: 150 North 1st Avenue, MS 37, Hillsboro, OR 97124Phone: 503-846-8888 Washington County Circuit Court – Justice Services Building150 North 1st Avenue, MS 37, Hillsboro, OR 97124Phone: 503-846-8888 Washington County Circuit Court – Juvenile Services BuildingPhysical: 222 North 1st Avenue, Hillsboro, OR 97124Mailing: 150 North 1st Avenue, MS 37, Hillsboro, OR 97124Phone: 503-846-4701 Washington County Circuit Court – Law Enforcement Center215 SW Adams Avenue, Hillsboro, OR 97124Phone: 503-846-8888 Municipal Courts in Washington County Beaverton Municipal Court4755 SW Griffith Drive, Beaverton, OR 97005Phone: 503-526-2290Fax: 503-350-4031 Forest Grove / Cornelius Municipal CourtForest Grove City Hall1924 Council Street, PO Box 326, Forest Grove, OR 97116Phone: 503-992-3268Fax: 503-992-3202 Gaston Municipal Court116 Front Street, PO Box 129, Gaston, OR 97119Phone: 503-985-3340Fax: 503-985-1014 Hillsboro Municipal Court150 East Main Street, Hillsboro, OR 97123Phone: 503-681-6157Fax: 503-681-6282 King City Municipal CourtCity Hall15300 SW 116th Avenue, King City, OR 97224Phone: 503-620-6444Fax: 503-639-3771 Sherwood Municipal Court22560 SW Pine Street, Sherwood, OR 97140Phone: 503-625-4225Fax: 503-625-5524 Tigard Municipal Court13125 SW Hall Blvd, Tigard, OR 97223Phone: 503-718-2478 Tualatin Municipal Court8650 SW Tualatin Road, Tualatin, OR 97062Phone: 503-691-3025Fax: 503-691-6884 Justice Courts in Washington County Washington County Justice Court3700 SW Murray Blvd, Suite 150, Beaverton, OR 97005Phone: 503-846-6600Fax: 503-846-6604