residential door lock replacement and lock repair services

Lock Repair & Lock Replacement Services

Ernie’s Lock Company, Inc. has been providing lock repair services in Maryland since 1960. We are experts at solving any problem related to a residential or commercial lock. From our Riverdale Park headquarters, we can quickly turn around any repair. We also offer on-site emergency service in select locations.

Keep reading to learn more about our full range of commercial and residential lock repair services, or contact us by phone or email to request a quote. Often, we can put together a preliminary estimate for repairing your problem lock using only a handful of photos. If you opt for our lock replacement service, rather than repairing your existing locks, we will provide an estimate on that as well.

Lock Repair Near Me

The Ernie’s team includes local, licensed locksmiths that are fully qualified to perform any type of residential or commercial lock repair services. Our technicians have extensive experience with all types of access control systems, from standard lock and key to sophisticated electronic lock setups. We can even repair and rekey vintage locks found on antique furniture and other items.

Call us if your door lock stops working, if a key gets stuck or broken off in a lock, or if you have any other issue. For every job, we complete a detailed estimate walking you through all of the costs. Unlike other locksmiths, we make every effort to stick with our initial quote, and we never tack on any hidden fees or other expenses after the job is done.

Maryland & D.C. Residential Lock Repair & Replacement Services

Ernie’s offers lock repair and lock replacement services for both residential and commercial clients. Whether you live in a house or an apartment, whether you rent or own, we can provide any home lock repair or lock replacement services you need. See what other residential lock services we offer on our residential page.

Moving into a new place? Replacing locks is the best way to be sure there are no spare keys out there. Lost your keys or looking to upgrade to a keyless or electronic access control system? We can help with that, too. For residential customers, we offer on-site service throughout Prince George’s County, including Greenbelt, Cheverly, Hyattsville and College Park.

commercial lock repair and replacement

Maryland & D.C. Commercial Lock Replacement & Repair

Ernie’s also offers comprehensive commercial lock replacement and lock repair services for Maryland’s most prominent businesses, nonprofits and educational facilities. Our team has the training and expertise to solve the challenges associated with commercial access control. In the past, we have served large retail operations, warehouses and storage centers, universities, government buildings and more. Commercial service is offered throughout Prince George’s County. For larger or more complex jobs that require in-person attention, our team will travel as far as Capitol Hill. Request an appointment today.

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For All Your Locksmith Needs!

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Our Services

    Commercial & Residential

  • High Security & Restricted Keyways
  • Key Duplication
  • Key Cutting
  • Custom Master Key Systems
  • Lock Rekeying
  • Lock Installation
  • Lock Repairs
  • Door Hardware Installation
  • Electrical Access
  • Keyless Entry
  • Safes & Vault Sales
  • Safes & Vault Unlocking Services
    Lockouts - *Within 10 Miles

  • Automotive Lockouts
  • Residential Lockouts
  • Commercial Lockouts

Store Hours

  • Monday – Saturday: 8 AM – 7 PM
  • Sunday: CLOSED


Ernie's Lock Company, Inc. believes in full transparency when it comes to pricing! We always provide honest, competitive and up-front pricing to our customers - we don't like sticker shock. Call our licensed locksmiths today for pricing & custom quotes!


Proudly serving Maryland and Washington, D.C
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