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Tri County Lock is a family operated locksmith & commercial door company with locations in North Aurora, St Charles and West Chicago. We work in the security industry so trust and safety are very important to us and our customers. We offer professional same day service at affordable rates. The technician who performs work at your home or office has over 18 years experience in the locksmith trade and has no criminal background. We are the key to your security. 

Automotive Locksmiths
Automotive Locksmiths

Did you lose keys to your car or motorcycle or just need a spare? We can help by sending a mobile locksmith out to you and professionally making a new chipped key or programming a new remote or key fob to your vehicle. Also motorcycle locks and keys made. Call us now!

Access Control Systems
Access Control Systems

Tri County Lock provides keyless entry locks for piece of mind. Let us professionally install your next access control system. From mechanical cypher locks, electric strike latches and electronic keypad systems for all types of doors, we are chicagolands premiere security locksmiths.

Locked out Service & Non-Destructive Entry
Lockout Service &
Non-Destructive Entry

Locked out of your home, business or car? We provide you with fast locksmith service to get you in and out of trouble. Let us professionally gain entry into your home or auto through the lock without damaging the doors or other property that can result in high repair cost. Watch out for amateurs.



Safes Serviced
Locksmith for Safes 

Tri County Lock provides safe sales, repairs & safe opening service on residential and commercial safes. Some of our other services include electronic keypad locks and safe dial combination changes. Call us for any safe issues 

Commercial Door & Frame Installations
Commercial Door & Frame Installations

Call us for a free quote on

professionally replacing your damaged steel door or frame. We service and install commercial doors and frames for all building and warehouse types. Custom fabrication for any size door opening. Fire rated doors, industrial doors & commercial door hardware sold and installed for all applications.

Commercial Locks
Commercial Locksmiths

Update your office security with a master key system or commercial keypad lock. We provide a wide variety of ADA commercial lock hardware from panic bars, door closers and keyed lever locks, along with our professional lock installation and repairs choose us for your next commercial project.

Residential Locks
Residential Locksmiths

Lost keys or just moving into a new home? No need to replace the locks, let Tri County Lock rekey your home locks so the old key will no longer work. We offer a wide variety of residential locksmith service such as, new lock changes, deadbolt locks and smart locks installed to help keep your home secure 

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