Welcome to Locksmith Potomac your lock and key 24 Hour locksmiths in Potomac, MD. If you are in need of a locksmith our technicians are the right choice for you. With the latest locksmith tools and lock picking skills no door lock or house key is too much of a challenge for our emergency locksmith team. At Locksmith Potomac we guarantee expert locksmith services which include auto locksmith work when you're on the road.