Columbia County Oregon Court in Circuit Court Municipal Courts Justice Courts Circuit Courts in Columbia County Columbia County Circuit Court230 Strand Street, St. Helens, OR 97051Telephone: 503-397-2327Fax: 503-397-3226 Municipal Courts in Columbia County Clatskanie Municipal Court95 South Nehalem Street, PO Box 9, Clatskanie, OR 97016Phone: 503-728-3011Fax: 503-728-2143 Rainier Municipal Court106 West B Street, PO Box 100, Rainier, OR 97048Phone: 503-556-4027 St. Helens Municipal Court277 Strand Street, PO Box 278, St. Helens, OR 97051Phone: 503-397-6272Fax: 503-366-7932 Justice Courts in Columbia County Vernonia Justice Court1001 Bridge Street, PO Box 128, Vernonia, OR 97064Phone: 503-429-2441