Lock and Door Repair Services

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

Fast, Reliable Repairs

A broken lock or damaged door can leave your property vulnerable and your family or business at risk. At AA Key and Lock Services, we provide expert lock and door repair services to restore your security quickly and affordably.


With over 40 years of experience, our licensed, bonded, and insured team is trusted throughout St. Louis and St. Charles counties for fast response times, skilled craftsmanship, and dependable results.

  • Residential Lock & Door Repairs

    Your home should always feel safe and secure. We repair all types of residential locks and door hardware, including:


    • Deadbolts & doorknob locks
    • Sliding patio & screen doors
    • Smart locks & keypads
    • Door frame alignment & reinforcement
    • Peephole installation & hardware upgrades

  • Commercial Lock & Door Repairs

    We help businesses protect employees, customers, and property with professional repair and replacement services:


    • Mortise locks & lever sets
    • Panic bars & fire exit devices
    • Electronic keypad locks & access control hardware
    • Heavy-duty door hardware & strike plates
    • Frame and hinge adjustments for high-traffic areas

  • Automotive Lock Repairs

    In addition to homes and businesses, our technicians also repair car locks and provide fast solutions for damaged or jammed vehicle locks.

Man peering into a car with a black device, possibly for diagnostic purposes, in daylight.
Black door with white trim, brick facade, and potted plants.
Close-up of a black door frame with four silver, protruding bolts and a knob.

Who We Serve

Our lock and door repair services are trusted by:


  • Homeowners


  • Landlords & property managers


  • Retail businesses


  • Offices & corporate buildings


  • Industrial facilities


  • Vehicle owners



A lock or door problem can happen at the worst time—late at night, early in the morning, or in the middle of a workday. That’s why we offer round-the-clock emergency repairs to secure your property right when you need us. Our mobile locksmiths arrive fully equipped to handle a wide range of issues on the spot.