Commercial Locksmith Services in Northern Virginia & DC

Licensed mobile locksmith serving businesses across Northern Virginia and Washington, D.C. — from storefront lock repairs to keyless entry upgrades. In business since 2012. Rated 4.7 · 240+ reviews.

✓ Licensed & insured | ✓ Upfront pricing | ✓ Since 2012

Why Trust
National Lock & Key


4.7 stars · 240+ reviews
‍ ‍ Across Google and Yelp

Locally owned & operated
‍ ‍No call centers, no outsourcing

Upfront pricing
‍ ‍ You know the cost before we start

Licensed & insured since 2012
‍ ‍ VA DCJS #11-7496 · MD #134 · DC #400318002092

Commercial Locksmith Services


Commercial Locks and Hardware

| Lock rekey, installation, repair & replacement

| Door closer adjustment & hinge repairs

| Panic bar & emergency exit lock service

Keyless Entry & Smart Locks

| Smart lock installs for offices and retail

| Master key systems

| Lock rekeying after staff or tenant turnover

Business Lockout Service

| Locked out of your office or storefront?

| Non-destructive entry for offices & retail

| Call to check availability

Mailbox Locks

| Mailbox lockout services

| Mailbox lock change

| Key duplication

Safe Locksmith Services

| Safe opening & combination change

| Keypad reset & replacement

Cabinet Locks

| Cabinet, and utility lock changes

| File cabinet unlocking & rekeying

| File cabinet lock replacement

Common Lock Types We Work With


  • Adams Rite deadlatches & mortise cylinders

  • Rim cylinders & mortise locks

  • Glass door locks & aluminum-frame doors

  • Door closers

  • Panic bars

Serving All of Northern Virginia & DC


We serve all of Northern Virginia and Washington D.C. — including Ashburn, Reston, Herndon, Fairfax, Arlington, McLean, Centreville, Sterling, Great Falls, Falls Church, Chantilly, Manassas, and Alexandria, and surrounding areas.

For full list of locations, see our full service area.

What Our Customers Are Saying


Frequently Asked Questions

  • We work with all types of commercial properties in Northern Virginia and Washington, D.C. — retail storefronts, office buildings, restaurants, property management companies, and small businesses. If your business has a lock, we can service it.

  • Yes — rekeying after staff turnover is one of the most common commercial locksmith requests we handle. We come to your location and rekey existing locks on-site so you don't need to replace hardware. Call (571) 449-6495 to schedule.

  • Yes. We install keypad and smart lock systems for offices and retail locations across Northern Virginia. We can recommend options based on your door type, security needs, and budget.

  • Yes — National Lock & Key is fully licensed, bonded, and insured to work in Virginia, Maryland, and Washington, D.C. VA DCJS #11-7496 · MD #134 · DC #400318002092. In business since 2012.

Need a commercial locksmith?

Call us to check availability. We serve all Northern Virginia and DC.

Mon–Fri 8:30am–6pm · Sat 9am–2pm

Last updated: April 2026