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Your Trusted Locksmith & Commercial Door Experts in Illinois
Tri County Lock has built a reputation as a trusted local licensed locksmith and commercial door company serving Illinois communities for over 18 years. Our technicians bring extensive professional experience and undergo rigorous background checks to ensure the highest standards of trust and safety. We specialize in automotive, residential, and commercial security solutions, including mobile locksmith services for vehicle key replacement, access control systems, safe lock repairs, and ADA-compliant commercial door installations.

Our commitment to quality extends to emergency lockout services performed with non-destructive entry techniques to prevent property damage. With multiple service locations across Aurora, St. Charles, West Chicago, and surrounding areas, we provide customized security solutions tailored to both individual and business needs. Our expertise in commercial door hardware, high-security locks, and key duplication ensures comprehensive protection for clients across diverse industries.
Services
Automotive Locksmith Access Control Systems Safe Lock Repair Commercial Door Repair Residential Locksmith
Highlights and features
  • We have over 18 years of professional locksmith experience
  • Our mobile technicians provide non-destructive emergency lockout solutions
  • We offer ADA-compliant commercial door hardware installations
  • Our team specializes in automotive key programming and motorcycle key replacement
  • We provide free estimates for all lock and door services
Services
Automotive Locksmith
We provide mobile automotive locksmith services for key replacement and remote programming. Our technicians can create chipped keys and program remote key fobs for cars and motorcycles. Emergency roadside assistance includes non-destructive entry to prevent vehicle damage while maintaining security systems integrity.
Access Control Systems
Professional installation of mechanical and electronic access control systems enhances security for residential and commercial properties. Our solutions include cypher locks, electronic door locks, and latch strike repairs. We specialize in integrating security systems with existing door hardware for optimal functionality and safety compliance.
Safe Lock Repair
We offer comprehensive safe services including lock repair, combination changes, and emergency opening. Our technicians handle residential and commercial safes with precision to maintain security while resolving lockout situations. We also provide replacement locks and maintenance for long-term reliability.
Commercial Door Repair
Custom fabrication and installation of commercial doors includes fire-rated and industrial applications. We repair and replace door hardware like panic bars, closers, and hinges. Our ADA-compliant solutions ensure accessibility while maintaining security standards for business environments.
Residential Locksmith
We provide lock rekeying, deadbolt installation, and smart lock upgrades for homeowners. Our services enhance security when moving into new properties or after key loss. We offer modern security solutions while maintaining traditional lock reliability for comprehensive home protection.
Questions
What areas do you serve?
We serve Aurora, Naperville, St. Charles, West Chicago, and surrounding Illinois communities including Batavia, Geneva, and Yorkville.
Do you offer emergency services?
Yes, we provide 24/7 emergency lockout services for homes, businesses, and vehicles with non-destructive entry techniques.
How much does lock rekeying cost?
Basic lock rekeying starts at $50 per lock with discounts available through our current promotions and coupons.
Can you make car key replacements?
Yes, we create chipped keys and program remote key fobs for most vehicle makes and models at competitive rates.
Are your technicians licensed?
All our technicians are licensed professionals with extensive experience and undergo background checks for your safety.
Do you work on commercial properties?
Yes, we specialize in commercial door hardware, ADA-compliant installations, and high-security lock systems for businesses.