We strive to be the best

We offer a variety of services and strive to be the best in customer service, knowledge and good prices. We guarantee our work for 90 days in parts and labor. 



Copyright ©​  National Lock & Key. All Rights Reserved.

We're here for you

We understand the necessity for a trustworthy, dependable, and affordable locksmith. 

We will provide you with a written estimate for you to approve before we perform any job.


You can put your trust in National Lock & Key. We provide personal service and exceptional quality. All of our services and products are guaranteed for a full 90 days.  Your satisfaction is our top priority.

Our unparalleled service, competitive prices, and overall value are why our loyal customers won't go anywhere else. We look forward to serving you!

National Lock & Key is a locally owned and operated mobile locksmith business serving

the Northern Virginia area.

We are also a local ADT Authorized Dealer. We are the people to call if you want to put America’s #1 name in security to work for you.

Our sales personnel and installers have all been trained by ADT. So we will take care of you quickly and with complete satisfaction. Give us a call at 571.449.6495 and let us show you what’s available. You’re going to like how it feels to have peace of mind.

Our mission is to provide high-quality and cost-effective services that meet our customers' needs.