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We setup master key systems in Tampa, Wesley Chapel, Brandon and surrounding areas.

Master key systems are beneficial for both residential and commercial security, but what exactly is a master key system, and how can it keep your family or business safe? In a nutshell, a master key system works like most key systems, with the exception that it allows for varying levels of access to each lock. For example, a landlord might use a master key that allows easy access to every apartment in his or her building, or you might have Mobile Locksmith install the system for a business that requires restricted access for its employees. Whatever your use case, there are many types of keys used in a master key system to become familiar with. Let’s take a look.

  • Change Key: Also known as a sub-master key, the Change Key is the lowest level of the master key system and can only operate one lock.
  • Master Key: This is probably what your landlord or “super” has. It’s a key that opens many locks, each of which has its own key.
  • Grand Master Key: This key is designed to fit several master key system locks.
  • Great Grand Master Key: This key is at the top of the key-system chain. It allows for the greatest access and will open all subsequent key systems under it, like the ones already mentioned in this article.

Now that we have the variety of key types out of the way, it’s also important to understand how they all work in the master key system. This system works most often with pin tumbler locks, which include a driver pin and a key pin. When the appropriate key is inserted in the lock, the pins are lifted up.

What are the benefits of a master key system?

Now that you have a basic understanding of what a master key system is and how it works, it’s time to dive into the benefits of using it. These complicated security systems are incredibly powerful because they provide some convenient perks, such as restricted access, no more heavy key rings jangling in your pocket, and one-key that can do it all. Whether you’re a business looking to have full control over your employee’s level of access or simply a homeowner with a padlocked key to your house, Mobile Locksmith is the leading expert in the installation of this widely popular and convenient security solution. If you are in Tampa, Wesley Chapel, Brandon or surrounding areas, call us at (813) 545-5462 to set up a master key system.


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1936 Bruce B. Downs Blvd #433 Wesley Chapel, FL 33544


About Us

Mobile Locksmith was founded by Mike Widlak over 17+ years ago and has been serving the Greater Tampa Bay, FL and the surrounding areas ever since. The company is a family owned and operated business and take pride in serving their neighbors with dedication and honesty.

1936 Bruce B. Downs Blvd #433 Wesley Chapel, FL 33544