Circuit Court Hours of Operation - 8:30 a.m. - 4:30 p.m. Monday through Friday except legal holidays Clerk's Office Website  Clerk of Court - Lisa Yates 200 Charles Street  La Plata, MD 20646 General Information 301-932-3201 or 301-870-2659 TTY users call Maryland Relay 711 For directions and parking information, visit the direction web page. District Court See all District Court locations, contact information, directions, and more. Hours of Operation - 8:30 a.m. - 4:30 p.m. Monday through Friday except legal holidays Orphans' Court Court House 11 Washington Ave. LaPlata, MD 20646 (301) 932-3345 (FAX) 301-932-3349