The Key to Protecting Everything

Security Master, a local locksmith division of Alarm Detection Systems, has been operating in Aurora for 30 years.

As a full-service locksmith shop, they can provide our customers with extensive security and door solutions in-house. Their services include a broad range of keying solutions for both home and businesses. Security master is a proud distributor and licensed installer of the high-security key and lock cylinders manufactured by Medeco®. These devices offer additional protections such as key duplicating restriction and anti-drill /pick resistant locks.

Security Master’s experienced staff is skilled in replacing deadbolts and locksets, as well as replacing doors and repairing door frames. They are familiar with all the key components around the door. The locksmiths can also service door strikes for keycard access, door closers, and exit device hardware. When needed, they can provide custom lock part fabrication that is not only pleasing to the eye but replaces the full functionality of the original part.

Onsite security evaluations are always free. Just fill out the form below and tell a little bit about your project or call:



Always there when you need us.

You will always reach a live operator when contacting Alarm Detection Systems. ADS has over 100 service vehicles dispatched from our local central monitoring station.

CALL 630.844.6314

Schedule Your FREE Evaluation

We don’t sacrifice safety, and neither should you.

For the fastest response to your inquiry. Please use the instant chat function in the bottom right corner of this web page during regular business hours 8:00 a.m. to 5:00 p.m. or call 630.844.6300