Maryland & DC’s Go-To Locksmith

Ernie’s Lock Company, Inc. has been serving the Maryland area for over 55 years, which is why we’re the go-to local locksmith in DC & Maryland for companies and residents alike.
Our Commercial Maryland & DC Lock Services

Our commercial lock services are bound to meet your needs. We’ve worked with public schools, colleges and corporate offices throughout Maryland and D.C. to provide unmatched lock and security service. We provide several commercial services, including:

Keyless and electronic access systems
High-security safes and locks
Key duplication, cutting and rekeying
• And more!

Our services have a 90-day workmanship warranty — plus, our materials include a factory label warranty. We also use brands with unmatched quality and durability, like Corbin Russwin.
If your business is 10 to 15 minutes from Riverdale, we can also help you in lockouts services.
Contact Ernie’s today for a free, accurate quote from one of our licensed locksmiths. We’re proud to serve the Prince County area, as well as Bowie, Towson, Crofton and Washington, D.C.

Our Residential Maryland Lock Services

At Ernie’s, we like to think of ourselves as the neighborhood locksmith for Prince County, Maryland. We run a brick-and-mortar shop in Riverdale for all your home or apartment key needs. We offer many residential locksmith services, including:
Door, lock and key installations
Key cutting, duplication and rekeying
Lock repairs

Like our commercial services, we include a 90-day workmanship warranty, plus we use the most reliable brands, such as Schlage.
If you’ve locked yourself out of your car or house in Prince County, Ernie’s can help. We have the best car locksmiths in Maryland. Not sure if you’re in our area? Here are some of the locations we serve:

• Rockville
• Riverdale
• Hyattsville
• College Park
• Crofton
• Greenbelt
• Cheverly
• New Carrollton
• Washington, DC

If you’re interested in learning more about a top local locksmith in DC & Maryland or just found yourself locked out, give us a call at 301-277-1126!

For locksmith services, call 301-277-1126.

Contact Us!

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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