About Us

Professional and Friendly Locksmith Services

You can trust National Lock & Key for your security needs. All of our technicians are licensed and, most importantly, have been background checked.  We are honest, professional and friendly. We will give you an estimate before starting any job.  

We pride ourselves on offering great customer service and a 100​​% satisfaction guarantee; all our jobs are guaranteed for 90 days in parts and labor.

 We are also a local ADT Authorized Dealer.  Call us 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. You’re going to like how it feels to have peace of mind. 

We're here for you

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.

Professional locksmith in Reston and surrounding areas.

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


SERVICES

Re-Key Services

Got a new house or lost keys and in need of new keys. Re-key your locks is what you need.

Electronic locks

With electronic locks you don't have any more keys to hide, lose, carry or forget.

Electronic locks offer keyless access and provide enhance security and make your life more convenient.

Fresh Installations

At least one deadbolt per door is recommended in all exterior doors. If you don't have one this is what you need.

Repairs

We diagnose your problem and repair or replace your lock. We will provide a written estimate for your review and approval. 

Property Managers

If you are a property manager looking for a residential locksmith that is good, reliable and has great customer service. Stop looking and contact us.

Great Customer Service

We pride ourselves on offering great customer service and a 100% satisfaction guarantee: all our jobs are guaranteed for 90 days in parts and labor.

Our service area

Northern Virginia:

Ashburn, Sterling, Potomac Falls, Reston, Herndon, Vienna, McLean, Great Falls, Chantilly, South Riding, Brambleton, Fairfax, Oakton, Springfield, Burke, Centreville, Manassas, Manassas Park, Leesburg, Purcellville, Aldie, Annandale, Lorton, Woodbridge, Arlington, Alexandria, Falls Church, Gainesville, Bristow, Dumfries, Triangle.


Maryland:

Bethesda, North Bethesda, Chevy Chase, Potomac, North Potomac, Silver Spring, Aspen Hill, Kensington, Gaithersburg, Germantown, Rockville.

Contact Us

Drop us a line!

Email or Give us a Call

We love our customers, so feel free to contact us during normal business hours. Or after hours and we will get back to you on the next business day.

info@nationallockandkey.com

P.O. Box 8642, Reston, VA 20195, US

(571) 449-6495

Hours

Mon

8:00 am – 6:00 pm

Tue

8:00 am – 6:00 pm

Wed

8:00 am – 6:00 pm

Thu

8:00 am – 6:00 pm

Fri

8:00 am – 6:00 pm

Sat

8:00 am – 12:00 pm

Sun

Closed

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