(301) 424-LOCK
(301) 424-5625
24 HR Emergency Service
(301) 424-LOCK  |  (301) 424-5625
24 HR Emergency Service

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Service Areas



Liberty Lock & Security provides service to government offices, commercial businesses & residential homes throughout Maryland, Northern Virginia & Washington DC including the following areas.


Montgomery County MD

  • Aspen Hill
  • Bethesda
  • Boyds
  • Burtonsville
  • Calverton
  • Chevy Chase
  • Clarksburg
  • Damascus
  • Darnstown
  • Derwood
  • Gaithersburg
  • Germantown
  • Glenmont
  • Hillandale
  • Kensington
  • Laytonsville
  • Leisure World
  • Montgomery Village
  • Olney
  • Poolesville
  • Potomac
  • Rockville
  • Silver Spring
  • Takoma Park
  • Travilah
  • Wheaton

Howard County MD

  • Clarksville
  • Columbia
  • Cooksville
  • Dayton
  • Elkridge
  • Ellicott City
  • Fulton
  • Glenelg
  • Glenwood
  • Hanover
  • Jessup
  • Laurel
  • Lisbon
  • Marriottsville
  • West Friendship
  • Woodstock

Additional Counties in Maryland

  • Anne Arundel County
  • Baltimore County & City
  • Calvert County
  • Carroll County
  • Charles County
  • Frederick County
  • Prince Georges County

District of Columbia / DC

Northern Virginia

  • Alexandria
  • Arlington County
  • Fairfax County
  • Falls Church
  • Fauquier County
  • Loudoun County
  • Prince William County

Liberty Lock Fleet