Residential Locksmith Service

Welcome to Tri County Lock, your trusted residential locksmith. We offer a wide range of services, including door lock repair, lock rekeying, and smart lock installation. Whether you need a lock replacement, deadbolt installation, or assistance with a home lockout, our experienced team is here to help. Your security and peace of mind are our top priorities!
 
Tri County Lock is Chicagoland and surrounding suburb's trusted provider of safety and peace of mind for local residential locksmith, security and door needs!
 
. Deadbolt Installation
 
. Locksmith for Home
 
. Lock Repair Service
 
. Keypad Lock Installation
 
. Door & Frame Reinforcing
 
. High Security Locks
 
. Mailbox Lock Replacement
 
. Rekey Lock Service
 
. Key Duplication
​
. Door and Hinge Repair Service
​
. Gun Safe Locksmith

. Safe Opening Service 
​