Show Room & Store

Crest Lock has the equipment to handle all of your security needs. See a working system before you buy! We have a state of the art show room you can visit, or we have a mobile show room that we can bring to your site. We have working systems you can see and try before you buy. We feature high-tech laser key cutting and computerized key machines as well as a fleet of service vans, including an aerial lift for camera installations and service. Plus, our technicians are dispatched with a state of the art mobile electronic dispatching system.

Licensed staff

Locksmith License 95
Security System Agency 107-408
Maryland Master Electrical License 7049
Local counties licenses available upon request

We have licensed locksmiths, technicians, and a Maryland licensed master electricians on staff.
We require all our employees, who have access to a customer’s circumvential information, to have the Maryland State Security Technician license, and our locksmiths have the Maryland Locksmith license, too. We have an electricians on staff who has both a Maryland Master Electrician license as well the Maryland Security Technician license.


Sale & Service

We offer a variety of services that cater to all your needs. These services include: in shop or onsite Locksmith service; Access Control, Security Camera, and Telephone Entry /Intercom system service and installation; Key Duplication, Automotive Locks, Automotive Key Duplication and Programing; Alarm service and installation; Safe service and installation/delivery. We also provide door repair, door closer service and installation, and Handicap opener service and installation.

Support & Training

We offer 24 hour emergency service, as well as remote support service for our computer-based access control and security camera systems customers. We have an 18 seat training room where we keep our technicians up to date on the latest information on all of our systems, and can even offer end-user training to customers.

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New Customers


These are just some of the main manufacturers Crest lock Co., Inc. services and sells. If you do not see your manufacturer listed, please give us a call at 410-256-7800. This list does not reflect all the manufacturers we support.

Crest lock Co., Inc. handle all the major manufacture are featured systems are DSX, Videx, OnSSI and GE Security. We also handle all the manufactures. If you do not see a manufacture list please feel free to call our office for more information.

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  • We care and it shows.

    If you ever have a problem with any products or services provided by us, please give our office a call or email us.