Non-destructive entry first, always - and we re-key Schlage, Kwikset, and Baldwin locks on the spot while you watch
You get a price before we start. It does not change when we arrive. No surprises.
Lock Change in Ashburn, VA
Replacing a lock is a fundamental security measure, yet it is often misunderstood as a simple hardware swap. At Novak Lock & Security Ashburn, we treat every lock change as a critical security upgrade. Whether you are moving into a new home in Brambleton, securing a property in Broadlands, or upgrading the entry hardware on an older home near Ashburn Village, a proper lock change ensures that only the individuals with your current keys have access to your property. Our Residential Locksmith services include upfront, written pricing for every lock change, and our technicians are contractually prohibited from changing that price once they arrive at your door. If you need a lock change in Ashburn, call us at (571) 410-8874 for an exact quote. We are a locally operated business, and we handle all hardware installations according to The Haven Standard, ensuring that every screw, strike plate, and cylinder is aligned for maximum physical security.
When you request a lock change, you are not just buying a new deadbolt. You are engaging a service that requires precision. Many homeowners in Ashburn assume that all locks are created equal, but the difference between a standard entry-grade lock and a high-security cylinder like those from Mul-T-Lock or Abloy is significant. We guide our customers through these choices, explaining the physical differences in pick resistance and drill protection. As part of our Residential Locksmith in Ashburn service, we ensure that your new hardware integrates with your existing door frame, which is often the point of failure for amateur installations. We are here to help you secure your home with the same care we would apply to our own.
When You Need a Lock Change
Not every security issue requires a full hardware replacement, but certain situations make a lock change the only reliable solution. We advise our customers to consider a complete change of hardware in the following scenarios:
- Lost or Stolen Keys: If you have lost a set of keys and have no way of knowing who found them, the physical security of your Ashburn home is compromised. Rekeying may work if the lock is in good condition, but a lock change is necessary if the missing keys are tied to a specific address or if you want to upgrade to a higher security grade simultaneously.
- Moving into a New Home: Even if the previous owners handed over every key they had, you have no way to verify if a copy was left with a neighbor, a contractor, or a former tenant. Changing the locks immediately upon closing is standard practice for securing your new property in neighborhoods like Belmont Country Club or Farmwell Hunt.
- End of a Lease or Roommate Departure: When a tenant moves out or a roommate leaves, their access to your property should end immediately. A lock change provides a clean slate, ensuring that old keys no longer function.
- Hardware Failure or Damage: If your lock is stiff, the key is difficult to turn, or there is visible damage from a forced entry attempt, the internal mechanisms are likely worn or broken. Repairs are often temporary; replacing the unit restores the integrity of your door.
- Upgrading to High-Security Standards: Older homes in Ashburn often feature entry-grade locks that are susceptible to common bypass techniques. Replacing these with high-security hardware, such as Sargent or Schlage commercial-grade locks, provides a level of protection that standard hardware cannot match.
Our Lock Change Process

We operate under The Haven Standard, which dictates that every job must be documented, transparent, and performed to the highest technical specification. We do not rush the process, and we do not cut corners. Here is how we handle a lock change for your Ashburn residence:
- Initial Consultation and Quote: You call (571) 410-8874, and a live person answers. We identify the type of hardware currently on your door and the level of security you require. We provide a firm, written price for the labor and the hardware before we ever dispatch a technician.
- Technician Arrival: A background-checked, uniformed technician arrives at your home. Per Haven Standard Clause 1, the price they provide is the price on the invoice. No changes, no surprises, and no bait-and-switch tactics.
- Hardware Assessment: We inspect the door frame, the strike plate, and the alignment of the door. A high-security lock is only as strong as the frame it is mounted to. If the door frame is weak or the strike plate is improperly anchored, we will address that as part of the installation.
- Professional Installation: We remove the old hardware and install the new lockset. We ensure the deadbolt throws fully into the strike plate without resistance, confirming that the latch engages correctly.
- Testing and Verification: We test the keys multiple times to ensure smooth operation. We verify that the lock functions correctly from both the inside and the outside.
- Documentation and Records: We provide a documented photo record of the completed work. This serves as your proof of service and provides a clear record of the hardware installed, which is invaluable for insurance or security audits.
Lock Change Pricing in Ashburn
We believe in upfront, written pricing. You should never have to guess what a service will cost. Our pricing structure is transparent, and we are happy to provide a free estimate over the phone. For a standard residential lock change in Ashburn, you can expect the following ranges. Please note that these are estimates; the exact price depends on the specific hardware brand and the complexity of the installation.
| Service Type | Estimated Cost Range |
|---|---|
| Standard Entry-Grade Lock Replacement | $140 – $220 per door |
| High-Security Cylinder Installation | $250 – $450 per door |
| Full Deadbolt and Handle Set Change | $300 – $600 per set |
The cost includes the labor of a professional technician, the removal of the old hardware, the installation of the new unit, and the documented photo record provided upon completion. If you have received a quote from another provider, we are happy to offer a free second opinion. Bring us their written estimate, and we will review it at no charge to ensure you are getting a fair deal. Call (571) 410-8874 for an exact quote on your lock change today.
FAQs - Lock Change

How much does it cost to change locks on a house in Ashburn?
A standard lock change typically costs between $140 and $220 per door, depending on the hardware you choose. We provide firm, written pricing before any work begins, and per our company policy, that price is guaranteed not to change once the technician arrives at your home. Call (571) 410-8874 for an exact quote for your specific setup.
Is it better to rekey or replace the lock?
Lock Rekey is the right choice if your existing hardware is high quality and in good working condition, as it simply changes the internal pins to accept a new key. Replacing the lock is necessary if the hardware is damaged, if you want to upgrade to a higher security level, or if the current lock is an entry-grade model that does not provide adequate security. We can inspect your current locks and tell you exactly what is required-call (571) 410-8874 for an honest assessment.
Can you change the locks on the same day I call?
Yes, we prioritize same-day service for lock changes and any Residential Lockout, as we understand that security is not something that can wait. When you call (571) 410-8874, our dispatcher will coordinate with a technician to get to your Ashburn home as quickly as possible. We do not use automated systems; you will speak directly to a person who can schedule your appointment.
Are your technicians background-checked?
Every technician who represents Novak Lock & Security is background-checked, uniformed, and trained to follow The Haven Standard. We maintain a strict policy regarding who enters our customers’ homes, and we provide a documented photo record of every visit to ensure you know exactly who performed the work and what was done. If you have questions about our security protocols, call (571) 410-8874.
Written by Daniel Novak, Owner at Novak Lock & Security Ashburn, serving Ashburn.






