Best Locksmith and Security Systems provides locksmith and security services for your home, business, and vehicle across Northern Virginia. We come to your location.
Choose a service below for details, or call 703-789-7180 for help.
Residential Locksmith | Commercial Locksmith | Automotive Locksmith

Residential Locksmith Services
Locked out of your home or need to update your locks? We provide on-site home lockout assistance, rekeying, lock repair, lock replacement, deadbolt installation, and key duplication. We come to your property with the tools needed to assess the work.
Moving into a new home? Rekeying can change which keys operate a compatible lock without replacing all the hardware. Call to discuss your locks and arrange service at your location.
- On-site service at your home
24/7 emergency assistance
Lock repair, replacement, and rekeying

Commercial Locksmith & Security Installation
We provide commercial lock repair, replacement, rekeying, and electronic lock installation. We also install security cameras, alarm systems, and access-control systems for businesses. Contact us to discuss your entrances, equipment needs, and property.
Need to update access after a staff change or improve security at your premises? We visit your location to discuss suitable locksmith and security installation options.
- Commercial lock services
Cameras, alarms, and access control
Service at your business location

Automotive Locksmith Services
We travel to your vehicle for car lockouts, replacement keys, key fob and remote programming, and ignition repairs. Service depends on the vehicle and key system. Call with your year, make, model, and location so we can confirm compatibility and availability.
For urgent automotive locksmith help, call 703-789-7180. Explain whether your keys are locked inside, lost, damaged, or no longer working so we can discuss the next step.
- Expert car key programming
- Emergency car lockout assistance
- Wide range of key services