A master keyed lock is actually a lock that's built to be opened up by specific keys, but could also be opened using a master key. A master key system uses security key blanks that are precisely designed keys which could only be duplicated only from a locksmith who created the system.

Apartment owners utilizes master keys to open each and every door of their rented flats, and each occupant possess their own keys for a specific unit as well. Other common areas in the apartment can also be opened using this key including the main door of the entire building. But it cannot open other units unlike master keys.

Master key system is also a complex system as it may involve multiple master, grand master, and sub master keys. Master key is all you need if you must have an access to multiple doors without the hassle of asking each key holder to unlock the door for you.

Dependent upon your key holder, we're going to come up with the proper master key systems. When in an urgent locksmith emergency trouble, make sure to call our locksmiths at our emergency hotline number. We are just a single call away and we are available to answer 24/7.