Home Door Handles Installation

Home & Door Lock Installation Service in MD

Ernie’s Lock Company, Inc. offers one of the widest selections of residential and commercial lock installation services in Maryland. We have been a local institution for more than 60 years, with roots dating back to 1960. We can install any type of lock, whether it’s a standard system or a more advanced electronic one. In addition to residential lock services, our licensed technicians are fully qualified to provide lock replacements and repairs on commercial facilities with heightened security or access control needs.

Why Replace Your Locks?

There are a number of situations in which replacing your locks is the smart thing to do. Give us a call if:

  • You’re experiencing persistent issues with your lock and want to upgrade to something more reliable
  • You’ve just moved into a new place and want the piece of mind of knowing you’re protected
  • You recently lost your keys along or had your home or business broken into
  • You want to switch to a keyless or electronic access control system

Ernie’s can provide lock replacement services for homes, businesses, and cars. Often, we can provide a preliminary quote over the phone, or with a small number of photos. Get in touch today for more information.

We Are Maryland’s Lock Installation Experts

We carry replacement locks and related systems by leading manufacturers such as Medeco, Schlage and Corbin Russwin, all of which are backed by a manufacturer’s warranty. We also guarantee our lock installations for up to 90 days. In the past, we have completed full lock replacements for private homes and condos, apartment buildings, shopping centers, manufacturing and storage facilities, government offices and more. No job is too big or too complex.

Whether you need locks installed on a new building or are replacing existing locks, we can assess your needs and your budget to recommend the best system. We provide clear, accurate estimates and exceptional service every step of the way. Ernie’s Lock Company is your local Maryland locksmith. Get in touch to get started today.

Our Maryland & D.C. Lock Service Areas

Our mobile locksmith services are available for homes in Hyattsville, College Park, New Carrollton and elsewhere in Prince George’s County. For certain commercial jobs, our team will travel as far as the Washington, DC Metro Area.

To find out if we offer lock installation services in your area, give us a call at (301) 277-1126.

Contact Ernie's Lock Company for lock installation services

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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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