Commercial Locksmith & Security
Master Key Systems
Plan and service master key systems that organize access across doors, departments and properties.
Understanding master key systems
A master key system allows selected keys to operate multiple cylinders while individual change keys remain limited to assigned openings. Good planning starts with an access hierarchy, not simply cutting a master key.
Access hierarchy planning
Change keys and master keys
Door schedule development
Future expansion
Master Key Systems questions
Practical answers about this specific commercial service.
Can one master key open every door?
It can be designed that way, but access should be limited according to operational need and risk.
Can an existing master key system be expanded?
Sometimes. Expansion depends on the key system, available combinations, records and the condition of the existing system.
Need help with master key systems?
Send the opening, hardware or system details. We can review photos before scheduling whenever practical.