Safe and Vault

Sales & Service

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

Protecting with Professional Safe Solutions

Whether you’re safeguarding family heirlooms, business records, jewelry, or sensitive documents, a high-quality safe is one of the best investments you can make in security. At AA Key and Lock Services, we offer a wide range of safe and vault solutions designed to keep your valuables protected from theft, fire, and unauthorized access.


Since 1979, homeowners and businesses across St. Louis and St. Charles counties have trusted us for safe sales, installation, and repair.

  • Safe Sales & Installation

    We carry a complete line of Gardall safes, including fire-rated, burglary-resistant, wall, and floor safes. Our team will help you choose the right size and model based on your security needs and provide professional installation for maximum protection.

  • Safe & Vault Repair

    If your safe or vault isn’t working properly, we provide expert repair services, including lock mechanism adjustments, bolt work repairs, and door alignment fixes.

  • Safe Deposit Services

    We specialize in:


    • Safe deposit box openings
    • Safe deposit repairs
    • Safe deposit key cutting
  • Antique Safe Repair

    Own an older or antique safe? Our locksmiths are trained in restoring and repairing antique models while maintaining their historic integrity.

  • Combination Changes & Electronic Upgrades

    Need to change a combination or upgrade to an electronic safe lock? We provide fast, secure updates that keep your safe functional and secure without full replacement.

Digital door lock with keypad and handle on a black door.
Lock being picked with two black lock picks, silver lock and door frame.
Person using lock picks to open a car door.

Residential & Commercial Safe Solutions

Our safes are suitable for both home and business use, including:


  • Jewelry safes
  • Gun safes
  • Fireproof safes for documents
  • Drop safes for retail businesses
  • Floor & wall safes for discreet storage
  • GSA-approved equipment for high-security facilities