Baltimore County Maryland Court Circuit Court District Court Orphans’ Courts Circuit Courts in Baltimore County Baltimore County Circuit CourtBaltimore County Courts Building401 Bosley Ave, Towson, MD 21204Phone: 410-887-2601Fax: 410-887-3062 District Courts in Baltimore County Baltimore County District Court – Catonsville900 Walker Ave, Catonsville, MD 21228Phone: 410-512-2500 Baltimore County District Court – Essex8914 Kelso Dr, Essex, MD 21221Phone: 410-512-2300 Baltimore County District Court – Towson120 E Chesapeake Ave, Towson, MD 21286Phone: 410-512-2000 Orphans’ Courts in Baltimore County Baltimore County Orphans’ CourtBaltimore County Courts Building401 Bosley Ave, Towson, MD 21204Phone: 410-887-6680Fax: 410-583-2517