The art of locksmithing is more complex today than at any other time in history. With the advent of high security keying systems, interchangeable core cylinders, digital electronic and mechanical locking mechanisms and a host of other innovations that could only be dreamed of in times past, have caused the locksmith industry to grow from the tinker's image into the 21st century. We have been involved in the many changes that have come to our industry and look forward to the many new changes, still yet to come.

We offer experienced, licensed personnel, who have received ALOA (Associated Locksmiths of America) and DHI (Door and Hardware Institute) training, and we provide our services with a willing, can do attitude. There are few things within our trade that we cannot accomplish for you. With our training and experience, we have probably seen it or worked with it and can help you to work towards a solution to your situation.

Master Key Systems are one of our specialties. No matter how large or small your requirements are, we can design and implement a master key system for you. We offer both Medeco and Schlage Primus High Security Keying Systems. Each has it's own unique capabilities and we install and service both of them. Please contact us to determine which system will work best for you.

We repair, replace and install door closers to allow positive latching of your interior and exterior doors. Remember, with the new ADA Requirements, it makes sense to have a professional measure your existing door closer tolerances and door/frame fit.

Contact Details

  Website
  Person Expert Lock & Security
  City Arlington Heights , IL
  Zip Code 60004
  Address 126 E. Wing St #330
  Phone Number (847) 259-9800

Customer Testimonials

Gary is incredibly professional and responsive. He responded to a same day call and also to a follow-up call for additional services. He showed up on time, answered all of my questions, and did a fantastic job. I would absolutely use him again and recommend him to anyone that asks.


In an attempt to earn the title of "Parents of the Year," my husband and I successfully locked ourselves out of our house with our 10 month-old baby asleep inside. Though he was safely contained within his crib we were still anxious to regain entry. We called Expert Lock & Security based on Gary's excellent Yelp reviews and are so happy we did. He provided a reasonable and accurate estimate for how long it would take for him to arrive and there got right to work. He was friendly, knowledgable and fair. Being locked out of your home can be a desperate situation and it is a nice feeling to know that you are not being taken advantage of during an already stressful time. When trying to contact a locksmith the first one I called had a voicemail saying it was after hours and provided their completely outrageous after-hours fees, while Gary's fees were more than reasonable. When all was said and done, we were back inside our home with our baby sleeping peacefully in his crib, unaware of his parent's blunder.


I cannot recommend Gary more. If any business deserves 5 stars, it would be his Expert Lock & Security.

On a beautiful summer night my wife and I decided to dine on our patio. While bringing out the dessert I closed the door behind me effectively locking us out. Panic set in as our baby was asleep inside. Luckily I had my phone with me and was able to find Expert Lock & Security on Yelp. I called and got ahold of Gary. Even though it was past 8 PM he promised to be at our house within half an hour. True to his word he showed up on time and within seconds was able to open the locked door. We were missing keys for it so he cut us new ones. On top of all this fantastic service, Gary didn't gouge us like some of the other emergency repair services I have had to use. His price was very reasonable.

Gary is honest, punctual, friendly, fair and very efficient. If you need a locksmith, you'd have a hard time finding one better than him.


Reasonable price & fantastic service! Got a quote and came the next day during a holiday week at a time that worked with my schedule. He even made helpful suggestions on re-keying our locks that I didn't even know were options. Very friendly and professional! I will be using for any future lock needs.


Gary was amazing! He was incredibly easy to schedule a time with, and he had the lowest price by far in the area (I had called others to compare). He also worked extremely efficiently, and was very professional. Thank you!


Very , very great guy and service, so impressed. Spoke to Gary first thing this morning and explained that I needed a new lock for my front door. Made the appointment for today and he arrived on time. Came in and changed out the old lock and put in the new lock. For the charges, I thought it would be more but to my surprise it was much less. Gary did bring to my attention that the mechanics were old a need an update. He explained that the parts would be free and the only thing that I would have to pay for is his installation fee which is a wonderful deal. I highly recommend Expert Lock & Security. Thank you Gary!


I could not be more satisfied with Expert Lock & Key's work! I simply needed new locks in my condo, Anderson Lock wanted $175 for one cylinder and an additional $4 per each key. Expert Lock gave me 5 keys for free and was about $100 less! Gary was extremely friendly, accommodating, and efficient. Please give them a call for your lock/security needs!!


I did not get the chance to meet Gary but he was recently out to my boyfriend and my house to change all of our locks as we just moved in. I think most people would agree that the idea of finding a locksmith requires searching for someone you trust with the overall security of your home. I found him off Yelp and based on the reviews, knew I needed to call him for a quote. Gary was friendly, quick to schedule a visit and quick with his service. He also was able to make multiple suggestions for my boyfriend to look at as we continue to move in and ensure we have a safe and comfortable home. We had to call him back because we forgot to show him a door and he happily came back 4 hours later to complete the job with great customer service.

I'm most upset at the fact that I missed his great stories from what my boyfriend stated and very easy communication style. I would happily recommend him and will use him for any needs in the future! Thanks for helping us set up our dream home Gary!