Residential Locksmith Services


Whether at home or on the job, no one likes to feel vulnerable. With all the residential locksmith security options offered by Tri County Lock there's no reason to feel anything but confident and secure. We provide a wide range of quality residential locks & locksmith service such as installing deadbolt locks, keyless entry locks, door and frame reinforcing, locks changed on home and rekey lock service. Ask about our bump proof high security locks. We are proud of our quality work and affordable rates. Most of all we understand your need to feel secure. While at your home we will do a visual and physical inspection of all your lock and door operations to make sure everything is closing, latching and locking properly and inform you of any repairs that should be made.


Tri County Lock is Chicagoland and surrounding suburb's trusted provider of safety and peace of mind for residential locksmith, security and door needs. Looking for a professional locksmith, commercial or residential specialist? 

YOU'VE COME TO THE RIGHT PLACE ! here are just a few of our services offered


. Deadbolt & Security Locks Installed


. Locks Changed


. Locksmith Repairs


. Padlocks


. Door & Frame Reinforcing


. Keypad Locks


. Mailbox Locks


. Re-key Lock Service


. Key Duplication


. Patio Door Locks


. Decorative Hardware


Gate Locks


. Safes Opened & Serviced 





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 Elburn IL

Locksmith Wasco IL

Locksmith Maple Park IL

Locksmith Montgomery IL

Locksmith Elgin IL

Locksmith Bartlett IL

Locksmith Streamwood IL

Locksmith Carol Stream IL

Locksmith Oswego IL 

Locksmith Glen Ellyn IL

Locksmith Glendale Heights IL

Locksmith Warrenville IL 

Locksmith Bloomingdale IL 

Locksmith Hanover Park IL

Locksmith Cortland IL

Locksmith Big Rock IL

Locksmith Winfield IL |

Locksmith North Aurora IL  

Locksmith Oakbrook IL

Locksmith Pingree Grove IL

Locksmith West Dundee IL 

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