Locksmith in Greenbelt 6314 Greenbelt Rd, Greenbelt, MD20770 Locksmith in Greenbelt is a local company offering comprehensive locksmith services for residential properties,…More commercial properties and automobiles. The company provides emergency services around the clock, and always responds quickly, efficiently and professionally to calls. Residential services include key replacement, lockouts, new lock and master key installations, and full security camera and high security lock installation. It also offers automotive lock services, automotive transponder keys and vehicle anti-theft systems. The company is fully licensed, bonded and insured.