Gilliam County Oregon Court in Circuit Court County Courts Justice Courts Circuit Courts in Gilliam County Gilliam County Circuit CourtGilliam County Courthouse221 South Oregon Street, PO Box 622, Condon, OR 97823Phone: 541-384-3572Fax: 541-763-2026 County Courts in Gilliam County Gilliam County Court221 South Oregon Street, PO Box 427, Condon, OR 97823Phone: 541-384-3303Fax: 541-384-3304 Justice Courts in Gilliam County Gilliam County Justice Court – ArlingtonArlington City Hall500 West 1st Street, PO Box 308, Arlington, OR 97812Phone: 541-454-2923Fax: 541-454-2145 Gilliam County Justice Court – CondonGilliam County Courthouse221 South Oregon Street, PO Box 494, Condon, OR 97823Phone: 541-384-5821