Make the switch today to superior customer service!

Locksmith: Protection Starts at the Door

Chicago Area Locksmith

A Trusted Chicago Area Locksmith

Finding a Chicago area locksmith can be a challenge. Look no further than Security Master. They offer expert service to the Fox Valley area. Call them if need to add new lock hardware, replace a door, or need a safe — Walk-In for free advice during regular business hours. Our staff is ready to help with your application. While we understand that every home and business requires a lock, not all companies stand by their work. Regrettably, many people do not consider the importance of selecting the correct solution. Numerous individuals will run to the nearest hardware store and aimlessly choose the first lock kit they come across. The problem is: Will it is easy to install? Will it hold up against burglars? Or will this turn out to be a waste of time and money?

Security Master, a division of Alarm Detection Systems, has that been servicing Cane, Cook, and Du Page Counties for over 30 years.

Our shop is located in Aurora right next to Alarm Detection Systems (ADS) headquarters. 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.

Quality Counts with Security

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 critical components around the door. Additionally, our Chicago area locksmith services door strikes for key card access, door closers, and exit device hardware. When needed, they can provide custom fabrication that is not only pleasing to the eye but replaces the full functionality of the original part. Always knowledgeable and pleasant, Security master’s team of locksmiths is ready to answer any of your door security questions. Therefore, forget about the self-install kit and give yourself peace of mind by choosing the experts.

Security Master and Alarm Detection Systems want to earn your business. Onsite security evaluations are always free.

Security Master 630.844.6330

About Alarm Detection Systems, Inc.

Alarm Detection Systems is one of the largest alarm firms in the country. Family-owned since 1968, we provide business alarmsfire alarmscard accesssecurity cameras, and home security systems. Proudly servicing Chicagoland, Northern Illinois, Northwest Indiana, and Southern Wisconsin in the Midwest. Call us at 630.844.6300 for more information.

In Colorado, we service all of Denver, Boulder County, Northern Colorado, the Eastern Plains, and Colorado Springs. Call us at 1.800.446.7519 for more information.

Choose Your Account Location
Always there when you need us
We’re the leading alarm system provider in the Midwest. Let’s talk about making your home or business safer.
Important notice

Please be advised that ADS’s managed access system portals may experience temporary outages for security updates starting this Wednesday, May 31st, and concluding this Sunday, June 4th. If you have issues logging into your managed access system, please wait and try again later. We apologize for any inconvenience.

Protecting your home and the things that are precious to you is what we do.
Make the switch to alarm detection systems today.
Call us at 630.844.6300

Call us at 800.446.7519

Make the switch to alarm detection systems today. Switch/Activate
Protecting your home and the things that are precious to you is what we do.
Make the switch to alarm detection systems today.