About Us

Learn More About AA Key & Lock Service Inc.

For more than 30 years, AA Key & Lock Service Inc. has been providing locksmith services for home and business owners in St. Louis and St. Charles counties and the surrounding areas. If you're looking for the best residential, auto or commercial locksmith services, call the team at AA Key & Lock Service Inc. today! It will be our pleasure to get you out of a jam and back into your home, business or car quickly and reliably. We also offer 24/7 emergency services.
Locksmith

We're the #1 Locksmith Company in St. Louis

The highly trained technicians at AA Key & Lock Service Inc. are all ready to come to your aid 24 hours a day, 7 days a week. Whether you need a simple key copy or you have been locked out of your car with a pet inside, we have the skills and equipment to get things back to normal quickly and reliably.
Locksmith

Comprehensive Lock and Key Services

We offer services, such as rekeying, building and car lockout assistance, key extraction, repair of damaged locks and hardware, access control systems, sales and services for safes and more. We have all the tools and devices you need to properly secure your home or business from potential theft.
Locksmith

A Fully Licensed, Bonded and Insured Company

You can be confident that the technicians we send to assist you have undergone rigorous background checks. We're fully licensed, bonded and insured for your protection. As a family-owned and operated company, we are deeply committed to providing you with quality, personalized services at competitive prices. We also offer a discount of 10%. For more details, call us today.
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