Tri County Lock Inc

206 Lilac Ln

North Aurora IL 60542

(By Appointment Only)

Tel: 1630-669-7110



Tri County Lock Inc 

1 N 526 Macqueen Dr

West Chicago IL 60185

Tel: 1331-240-1806



Tri County Lock Inc

707 Colomba Ct #102

St. Charles IL 60174

Tel: 1630-485-9084



Local Service Areas:

Aurora IL Locksmith | Naperville IL Locksmith | Batavia IL Locksmith | Geneva IL Locksmith |
St Charles IL Locksmith 
| Yorkville IL Locksmith | Sugar Grove IL Locksmith | Wheaton IL Locksmith 

Locksmith West Chicago IL

Locksmith St Charles IL

Tri County Lock offers commercial metal door & frame service in St Charles IL. Residential and commercial locksmith services in St Charles IL and all of Fox Valley. Call today for a free quote on all your office or home security needs.  630-669-7110


Set beside the natural beauty of the Fox River, Historic Downtown St. Charles offers residents and visitors an uncommon experience. A downtown that is steeped in rich history, surrounded by wonderful architecture, unique shops, eclectic restaurants and entertainment venues, St Charles awaits all who come to shop, dine and explore.


Lock Re-key St Charles IL


Tri County Lock will come out to service or re-key your home or business in St Charles IL and explain exactly how re-keying your lock works and why its important to change the locks so the old keys no longer work. While at your home or business we will inspect all your locks and doors to make sure everything is secured and working properly. Let Tri County Lock re-key, repair or replace your locks in St Charles today! 

Locked out in St Charles IL


We all know how frustrating it is to be locked out of the home, auto or business. Tri County Lock is a 24 hr emergency locksmith service in St Charles IL to get you in and out of trouble. Our locksmiths are trained to professionally pick open locks or unlock doors in St Charles IL without any damage to your locks.

We can make a key for any Lock

Tri County Lock specializes in generating a existing or new key for any lost, broken or damaged lock or key. examples of most common locks we service are, motorcycles locks and keys, pre 2000's car locks, gate locks, vending machines, file cabinets locks, office desk locks, commercial locks & residential locks, hoppe locks, store front latch locks and many more. Let Tri County Lock help make a Key for your lock today!! 

Commercial Doors & Frames in St Charles IL

Tri County Lock specializes in replacement hollow metal doors and frames, custom fabrication and hinge repairs. If you have rusty frames or doors binding and not closing properly, it might be time to replace them. Let one of our skilled estimators come out to take all the correct measurements to give you the best quote possible. We will supply you with the door, frame and all new hardware with installation. Its a one stop shop. Call us today for a free Estimate