St. Marys County Maryland Court Circuit Court District Court Orphans’ Courts Circuit Courts in St. Marys County Saint Mary’s County Circuit CourtSaint Mary’s County Courthouse41605 Courthouse Dr, PO Box 859, Leonardtown, MD 20650Phone: 301-475-4200 ext. 4567Fax: 301-475-4658 District Courts in St. Marys County Saint Mary’s County District CourtJoseph D. Carter State Office Building23110 Leonard Hall Dr, PO Box 1509, Leonardtown, MD 20650Phone: 301-880-2700 Orphans’ Courts in St. Marys County Saint Mary’s County Orphans’ CourtSaint Mary’s County Courthouse41605 Courthouse Dr, PO Box 602, Leonardtown, MD 20650Phone: 301-475-5566Fax: 301-475-4968
