AA Key and Lock Services
Locksmith in Overland, MO – Serving St. Louis & St. Charles Counties
Why Choose AA Key and Lock?
AA Key and Lock Services has been the trusted locksmith in Overland, MO since 1979, proudly serving St. Louis and St. Charles counties with reliable, affordable, and professional security solutions. From 24/7 emergency lockouts and automotive key programming to residential security upgrades, commercial access control systems, and government-certified high-security locks, our experienced team delivers tailored services to keep your home, business, and vehicles safe.
With over 40 years of expertise, labor warranties, and discounts for military and first responders, we are committed to providing dependable locksmith services that put your safety first.
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Residential Locksmith
Learn MoreProtect your home and loved ones with customized security upgrades:
- High-security deadbolts & smart locks
- Key duplication & rekeying for new homeowners
- Safe sales, installation, and servicing
- Door reinforcement & frame alignment repairs
Commercial Locksmith
Learn MoreKeep your business secure with advanced solutions:
- Master key systems & restricted keyways
- Panic bars, exit devices, and fire code compliance
- High-security locks & cylinders (Medeco, Mul-T-Lock, ASSA, Schlage Primus)
- Access control and surveillance system installations
- Maintenance contracts for ongoing protection
Automotive Locksmith
Learn MoreLocked out of your car or need a new key programmed? Our technicians are trained to handle most makes and models. Services include:
- 24/7 emergency lockouts
- Key duplication and programming
- Ignition repair and replacement
Safe Services
Learn MoreSafeguard valuables with expert safe services:
- Safe opening & combination resets
- Electronic safe upgrades
- Floor & wall safe installation
- Bolt-down and maintenance services
Access Control & CCTV Systems
Learn MoreManage entry without keys and monitor your property with cutting-edge security:
- Keycards, key fobs, and mobile app entry
- Biometric access (fingerprint/retina)
- Audit trail reporting for businesses
- CCTV cameras with night vision, motion detection & remote viewing
Specialized Government & High-Security Services
AA Key and Lock Services is certified to install and maintain X-10 and LKM Series locks, making us a trusted partner for federal agencies, defense contractors, and facilities that require strict FIPS and ICD 705 compliance. With over 40 years of experience, we deliver government-grade security solutions designed to protect sensitive information and critical infrastructure. Our expertise includes restricted key systems, patented key control, and advanced hardware resistant to drilling, picking, and tampering—ensuring that your facility meets the highest security standards with dependable, professional service.