Friendly, Reliable, and Professional Locksmith Services
We serve in Northern Virginia, Maryland, and Washington, D.C.
About National Lock & Key
National Lock & Key is a licensed, bonded, and insured full-service locksmith company proudly serving Northern Virginia, including cities like Chantilly, South Riding, Fairfax, Reston, Herndon, and Arlington, as well as Washington, D.C. and parts of Maryland. With years of hands-on experience in automotive, residential, and commercial locksmith services, we provide fast, reliable, and long-lasting solutions for all your lock and key needs.
We’re known for honest pricing, on-time service, and no hidden fees — everything you expect from a local, trusted locksmith. Whether you need car key programming (Learn more about key fob programming →) , lock rekeying, smart lock installation, or commercial lock repairs, our technicians are fully equipped and ready to help.
Backed by 5-star reviews and a strong reputation across the region, our team stands behind every job with a 100% satisfaction guarantee. When you call National Lock & Key, you can count on upfront estimates, professional service, and peace of mind.
Our Services
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Automotive Locksmith
At National Lock & Key, we specialize in fast, professional automotive locksmith services across Northern Virginia, Washington, D.C., and Maryland. Drivers in cities like Chantilly, Manassas, Alexandria, Fairfax, and Arlington trust us as their first choice for car key replacement, car lockouts, key duplication, and broken key extraction.
Our mobile locksmiths are highly trained to work with transponder keys, push-to-start systems, and modern vehicle security technologies. Whether you’ve lost your car key, need a spare, or have a malfunctioning fob, our experienced team has the tools and knowledge to help you regain access quickly and safely.
We provide fully equipped on-site service, fast response times, and reliable solutions to get you back on the road with confidence. If you're searching for a dependable automotive locksmith near you, count on National Lock & Key.
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Residential Locksmith
National Lock & Key provides trusted residential locksmith services to homeowners and property managers across Northern Virginia, Washington, D.C., and Maryland. From lock installation to emergency home lockouts, we offer fast, professional, and affordable solutions in cities like Fairfax, Alexandria, Arlington, and beyond.
Whether you're moving into a new home, replacing lost keys, or upgrading to smart locks or high-security hardware, our experienced technicians handle it all — including lock rekeying, electronic lock system installation, and advanced lock repairs.
Home security starts with strong, reliable locks. That’s why our mobile locksmiths only use top-rated products and the latest tools to protect your home. Our skilled team can install, rekey, or replace any residential lock and duplicate keys on-site — quickly and efficiently.
Choose National Lock & Key for expert service, modern solutions, and the peace of mind that comes with knowing your home is secure.
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Commercial Locksmith
At National Lock & Key, we specialize in professional commercial locksmith services designed to protect offices, storefronts, and commercial properties throughout Northern Virginia, Washington, D.C., and Maryland. Business owners in areas like Arlington, Fairfax, Alexandria, and Manassas rely on us for fast, secure, and affordable solutions tailored to their business needs.
We install, repair, and replace commercial-grade locks, master key systems, smart locks, keyless entry systems, door closers, and restricted “Do Not Duplicate” keys. These restricted keys offer enhanced access control at a lower cost than high-security locks, making them ideal for retail stores, offices, and multi-tenant buildings.
Security is critical for your business, and not all locksmiths have the training or experience to handle commercial systems. Our licensed technicians deliver fast response times and dependable service using high-quality hardware and the latest tools.
When you need a trustworthy, professional commercial locksmith near you, count on National Lock & Key to secure your business with precision and care.
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Safe Locksmith
National Lock & Key is a licensed, bonded, and insured safe locksmith company proudly based in Northern Virginia, serving cities like Fairfax, Alexandria, Arlington, Manassas, Centreville, and surrounding communities. With a strong reputation for reliable, on-time service and 100% customer satisfaction, we bring years of experience helping both residential and commercial clients secure their most valuable assets.
Our trained locksmiths are experts in safe opening, combination changes, electronic keypad resets, and routine safe maintenance. Whether you need to unlock a stuck home safe, change the combo on an office fireproof safe, or troubleshoot an unresponsive biometric lock, our Virginia-based technicians are equipped and ready to help.
Safes often store sensitive items—ranging from family heirlooms and legal documents to precious metals and business materials. That’s why homeowners and business owners across Virginia turn to National Lock & Key for discreet, honest, and skillful service.
Our locksmiths receive ongoing training in the latest safe locksmithing techniques and are vetted for professionalism, integrity, and technical skill. We handle traditional dial safes, digital keypads, fireproof cabinets, and more—with precision and care.
From emergency safe openings to lock repairs and preventive maintenance, we offer affordable, secure solutions to keep your valuables protected—backed by a name trusted throughout Northern Virginia.
Locations where we serve
Northern Virginia:
Alexandria, Arlington, Annandale, Belleview, Burke, Centreville, Chantilly, Clifton, Fairfax, Fairfax Station, Falls Church, Franconia, Ft. Belvoir, Great Falls, Herndon, Huntington, Kingstowne, Lorton, Mclean, Merrifield, Oakton, Reston, Seven Corners, Springfield, Vienna, West McLean, Aldie, Ashburn, Broadlands, Dulles, Hamilton, Leesburg, Lovettsville, Middleburg, Potomac Falls, Purcellville, Round Hill, South Riding, Sterling, Gainesville, Haymarket, Manassas, Manassas Park, Nokesville, Quantico-Triangle, Woodbridge
Maryland:
Bethesda, Chevy Chase, Colesville, Darnestown, Gaithersburg, Germantown, Kensington, Olney, Potomac, Rockville, Silver Spring, West Bethesda
Reasons to Choose National Lock & Key
Licensed, Bonded, and Insured:
National Lock & Key is a licensed, bonded, and insured company. It ensures that we have undergone the necessary training and have the skills to complete any lock or key-related jobs. Our technicians, have passed background checks and are fully insured to protect themselves and the clients’ property if any damage or injury happens.
Commitment to Customer Satisfaction:
Another thing that separates us from the competition is our unparalleled commitment to customer satisfaction. As a customer-oriented company, our top priority is our customers’ safety, security, and satisfaction. We take immense pride in offering excellent customer service and a 100% satisfaction guarantee.
Experience:
Our company has years of experience and a proven record of providing reliable, professional, and on-time services at cost-efficient prices. It gives vehicle and property owners peace of mind that experienced and qualified professionals handle the security of their automobiles, home, or offices.
Workmanship:
National Lock & Key has complete trust in the ability of their technicians to provide unmatched workmanship. We back all our work with 90-day parts and labor warranty. The customers can stay assured that our technicians will handle any issue they experience during the warranty period.
Frequently Asked Questions
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At National Lock & Kay, we provide locksmith services for homes, businesses, and vehicles, from lockouts to broken keys, lock repairs, lock installations, smart locks, and safe openings. We can handle almost every job.
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There are many DIY jobs. However, when you want the services done right and professionally, you should always call a locksmith. We can do it right the first time without causing property damage.
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A key that operates all the master keyed locks or cylinders in a group, each lock or cylinder usually operated by its own change key. To combinate a group of locks or cylinders such that each is operated by its own change key as well as by a master key for the entire group. A change key is a key which operates only one cylinder or one group of keyed alike cylinders in a keying system.
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It is illegal to carry tools only available to locksmiths. Someone who is not a locksmith caught with locksmith tools may face legal action. We strongly advise you not to do this. Locksmith in Virginia are required to have a DCJS license that can be shown upon request of a client or law enforcement.
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Not All DO NOT DUPLICATE are created equal, just because it says that it doesn’t mean it can’t be duplicated. Only restricted and high-security keys won’t allow anyone to be able to duplicate the key, especially at the hardware store. If you have a restricted or high-security key for your home or business. it must verify that you have the authority to duplicate it. If you cannot be verified, we will not duplicate your key.
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Absolutely! Our locksmith can cut mostly every key for you. We may not have every key, but we can cut most vehicle, residential, and commercial keys. If you have a question about a key you have, let us know when you contact us for services.
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In this case, find a safe location from where you can call us.Our locksmith will arrive at your location and unlock your vehicle promptly.
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It’s not necessary to change all the locks. Instead, re-key them. Contractors, realtors, and other owners may have a key. If your locks look in good condition we can re-key all the locks, which will serve the same purpose as replacing the locks and costs far less.
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We recommend changing the passcode often to minimize the chance that someone can break into it. When changing the code, remember to choose a combination that is not easily guessed. Birthdays, anniversaries, and ascending or descending numbers are not wise choices. If you cannot think of a combination, ask your locksmith. We can help you think of something you will remember.
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If this happens, we recommend that you leave it alone and call us immediately. The more you move the key, the more damage you could do to the cylinder or ignition. If the key is damaged, we can create a new one. However, you would pay more to have the old key extracted. You may have to purchase a new ignition if the ignition is damaged. So please, leave it alone and call National Lock & Key.
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There are numerous options for keyless entry systems that are designed for commercial businesses and customers. The target is for high-traffic usage. If you are looking for employee keyless entry systems, we can help with that as well. Many of these types of keyless entry will require an employee to swipe a card, have a key fob, or push a button to gain access.
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First, you should ask the landlord or your property management company if this is an option. You may be able to re-key the locks as long as the landlord or property management has a key. We can help if this is possible. Our locksmith will re-key all the locks and provide you with extra keys so you can provide a key to your landlord or property management company. That way, you know no one else has access to the residence or place of business.
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If the locks are not functioning correctly, that is a good sign to change them. They may stick, jam, or not lock properly. Another good time is if you are purchasing a new home or have lost your keys. You don’t want anyone else to have access to your home.
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This will depend on each individual situation. Certain factors are, If it’s a home or a business and what are you looking for. It will also depend on the number of doors that the place has. We recommend that all locks operate from the same key to minimize the number of keys you need to carry to gain access around your home. Also, having one key is more convenient. You won’t have to worry about having the right key in your hand to unlock the door. However, if you want separate keys, we can always create a Master Key to unlock all door locks.
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If your key breaks inside the lock, do not try to extract it. Leave everything alone and call us. If there are pieces that you have, we recommend that you keep them to help us generate a new key. On many occasions, we can save the lock. If there is no lock damage, we will re-key the lock to give you a key.
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Rekey means to change the existing format of a lock to make the current key stop working and making a fresh new key work on the lock(s).