Automotive Locksmith Services

Locksmith in Overland, MO – Serving St. Louis & St. Charles Counties

Why Choose Our Automotive Locksmiths?

Locked out of your car? Lost your keys? Ignition not working? At AA Key and Lock Services, we provide fast, reliable automotive locksmith services across St. Louis and St. Charles counties.


Since 1979, our locally owned and operated team has been helping drivers regain access, replace keys, and restore security to their vehicles—day or night.

  • Emergency Car Lockouts

    Locked your keys inside? Don’t waste time stressing—our mobile locksmiths respond quickly to get you back into your car without unnecessary damage.

  • Car Key Replacement & Duplication

    Whether you’ve lost your keys or need a spare, we can cut and program new keys for most makes and models, including high-security and transponder keys.

  • Key Fob & Remote Programming

    We provide expert programming services for chip keys, remotes, and keyless entry systems so you can enjoy full access to your vehicle.

  • Ignition & Lock Replacement

    If your ignition won’t turn or your car locks are damaged, our technicians can repair or replace them on-site to get you back on the road.

  • Advanced Key Services

    Our locksmiths are trained and equipped to handle even the most advanced key systems, including:


    • Laser-cut keys
    • Smart keys
    • Computer chip keys
    • Automobile rekeying services
Person using a lock pick to open a car door lock.
Lock being picked with two black lock picks, silver lock and door frame.
Person using lock picks to open a car door.

Fast Response Times When You Need Them Most

We know that car lockouts and key issues rarely happen at a convenient time. That’s why we operate with four fully equipped mobile locksmith vehicles, radio-dispatched throughout the area to reach you quickly. Whether you’re stranded in your driveway, at work, or on the side of the road, you can count on us for immediate service.