About AA Key and Lock Services
Locksmith in Overland, MO – Serving St. Louis & St. Charles Counties
Why We’re the #1 Locksmith Company in St. Louis
For more than four decades, AA Key and Lock Services has been the locksmith company St. Louis and St. Charles County residents and businesses trust. Founded in 1979, we remain a locally owned and operated company dedicated to providing fast, reliable, and affordable locksmith services.
Whether you’re locked out of your car, upgrading your home security, or managing access at a large commercial facility, our experienced team is here 24/7 to keep you safe and secure.
Our Services
We offer a full range of locksmith and security solutions, including:
- Automotive Locksmith Services – Key duplication, remote programming, ignition repair, and lockouts
- Residential Locksmith Services – Lock rekeying, deadbolt installations, smart locks, and break-in repairs
- Commercial Locksmith Services – Master key systems, panic bars, ADA compliance, and access control
- Safe & Vault Services – Sales, installation, combination changes, and GSA-approved safe servicing
- Lock & Door Repair Services – Frame alignments, replacements, and electronic lock repairs
- High-Security Lock Installation – Featuring trusted brands like Medeco, Mul-T-Lock, Primus, and ASSA
- Access Control Systems – Keyless entry, mobile app access, biometric options, and audit trails
- CCTV Systems – High-resolution cameras, night vision, motion detection, and remote viewing
- X-10 & LKM Certified Services – Government-grade locks and exit devices meeting FIPS/ICD 705 standards
Products We Carry
We stock and install industry-leading brands and equipment, including:
- Safes (Gardall and GSA-approved models)
- High-Security Locks (Medeco, Mul-T-Lock, Primus, ASSA)
- Access Control Systems
- CCTV Surveillance Systems
- X-10 High-Security Locks
- Handicap Door Operators & Door Closers
