Our Services Include:

  • Access-Control.
  • IP/CCTV Camera Systems.
  • Locksmithing.
  • Telephone/Intercom.
  • Alarms.
  • Handicap/Automatic Door Openers.
  • Door Replacement.
  • Safes.
  • Automotive.
  • Transponder Keys

Our mobile showroom allows you to see what your property will look like before buy!

Founded in 1969, Crest Lock has been serving your security needs for two generations. We specialize in locksmith service, access control systems, CCTV security cameras, IP-based security cameras, alarm systems and integration of electronic Access control system with cameras system and alarm system.

Crest Lock has the staff to complete your project with Licensed Maryland Master Electricians, Technicians and Locksmiths.  Crest Lock requires all of it employees with access to your security information to have the Maryland System Technician License  and all Crest lock locksmiths have a locksmith license too. Chris Serbeck the President and owner carries the System Technician Agency License and the Locksmith license for the company.

Proudly Serving:

Baltimore City, Baltimore County, Harford County, Howard County, Carroll, Frederick, Cecil, Anne Arundel, Montgomery, Kent, Queen Anne’s, Dorchester, Wicomico and Washington DC.

Our new State of the Art Show Room is now Open!

Come see us at 10015 Pulaski Hwy Middle River Md 21220