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 Naperville IL


We offer commercial door service in Naperville IL along with our 24 hour commercial locksmith & residential locksmith services in Naperville IL and all neighboring towns. From key duplication and lock re-keys to new door installations, we do it all. Call now for a free quote on all your security lock and door needs. 630-669-7110

Lock Re-key Naperville IL


Tri County Lock will come out to your home or business to service and re-key your locks in Naperville IL. We will explain exactly how re-keying your lock works and why its important to change keys. While at your home or business we will inspect all your locks and doors to make sure everything is as secure as it should be and working properly. Let Tri County Lock re-key, repair or replace your locks today! 


Locked out in Naperville IL


We all know how frustrating it can be to get Locked out of your home in naperville il, your auto or business. Tri County Lock offers 24 Hr emergency locksmith service to get you in and out of Trouble. Our locksmiths are trained to professionally gain entry through the lock or door without causing damage.

We can make a key for any lock

Tri County Lock specializes in generating a existing or new key  made for any lost, broken or damaged lock or key. examples of most common locks we service are, motorcycles locksmith and keys made in naperville il, pre 1990's auto keys made, gate locks, vending machines, file cabinets locks, office desk locks, home exterior / interior locks, hoppe locks, store fronts and many more. Let Tri County Lock help make a key for your lock today!! 630-669-7110