Garrett County Maryland Court Circuit Court District Court Orphans’ Courts Circuit Courts in Garrett County Garrett County Circuit CourtFrederick A. Thayer Courthouse203 S 4th St, PO Box 447, Oakland, MD 21550Phone: 301-334-1943Fax: 301-334-5017 District Courts in Garrett County Garrett County District Court205 S 3rd St, Oakland, MD 21550Phone: 301-334-8020 Orphans’ Courts in Garrett County Garrett County Orphans’ CourtOld Garrett County Courthouse313 E Alder St, Oakland, MD 21550Phone: 301-334-1999Fax: 301-334-1984