St. Louis City: 314.428.5625
St. Louis County – North: 314.432.7191
St. Louis County – South: 314.487.4874
St. Luis County - West: 636.394.4613
St. Charles: 636.441.5625

6 Month Warranty

We offer a 6 month warranty on all parts purchased and installed by us!

24-Hour Emergency Service

Need help right now? We are here to help 24 hours a day, 7 days a week!

Automotive Key Needs?

From installing new ignition to creating and programming new chipped car keys, we can help!

High Security Products

We have been protecting businesses in the St. Louis Area since 1978!

St. Louis Locksmith

Serving St. Louis Since 1978

Here at AA Key & Lock, we value your security. We've provided the most reliable locks to the residents and business owners of St. Louis since 1978. As a family owned and operated company, we understand how important security and protection is to you. Our locksmiths are highly trained in meeting your locksmith needs. With our extensive locksmith services and professional technicians, we can quickly restore your safety. Contact us via one of our phone numbers listed at the bottom of this page to learn more about our services.

AA Key & Lock prides itself for its:

  • Licensed, Bonded, and Insured Technicians
  • Comprehensive Locksmith Services
  • Shop Located in St. Louis
  • Six-Month Warranty on New Parts We Install
  • 24/7 Emergency Services

Our mission is to make you feel comfortable and safe at all times. To ensure your trust, all our technicians have been with AA Key & Lock for more than five years. In addition, we have a shop location in St. Louis, unlike many locksmiths who work out of their vans. We offer you our top-notch services at any time of any day.

The Key to Your Security

Locks are essential to establishing protection. They can protect your home from intruders and secure your valuables. AA Key & Lock believes you deserve to feel secured at all times, which is why we offer you our services 24/7. Through our first-class locksmith services, we can make sure you and your possessions are safe.

We offer a variety of services including:

Let Us Help You

Your security is our priority. Our technicians are passionate about the locksmith business and strive to provide you the highest level of comfort. With our expert locksmiths by your side, you and your family can live at ease.

For emergency services, please contact us at:

  • St. Louis City: 314-428-5625
  • St. Louis County - North: 314-432-7191
  • St. Louis County - South: 314-487-4874
  • St. Luis County - West: 636-394-4613
  • St. Charles: 636-441-5625

How may we help you?

Contact us today!

What Sets Us Apart

  • 24/7 Emergency Services
  • Serving St. Louis Since 1978
  • Shop Location in St. Louis
  • Licensed, Bonded & Insured
  • All Employees Have Been with AA Key & Lock Services for More Than 5 Years
  • 6 Month Warranty on New Parts We Install