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.
Fast, Reliable Lock Installation & Rekey Across Gaithersburg
Lock installation and rekeying in Gaithersburg typically costs $45-$110 per cylinder for standard Kwikset or Schlage hardware, while full smart lock installation runs $160-$420 depending on the model and whether your existing door prep needs modification. Most jobs in Gaithersburg are completed the same day, and every price is quoted in writing before we dispatch a technician. That written quote is the price on the invoice, per Haven Standard Clause 1. If you need a rekey or a new deadbolt installed today, call (331) 310-8471 and you’ll speak to a live person, not a voicemail queue.
We work across Gaithersburg regularly, from Kentlands and Lakelands to Montgomery Village and the King Farm district off Frederick Road. Our Lock Installation & Rekey team knows which hardware was installed in which decade here, which lock failures repeat every winter, and what a builder’s key handover means for a new homeowner. That local knowledge changes what we recommend and what we quote.
Key Takeaways
- Rekeying a standard lock in Gaithersburg runs $45-$110 per cylinder, quoted in writing before we start.
- Smart lock installation runs $160-$420 including hardware mounting and alignment work.
- We answer the phone 24/7 and dispatch to Gaithersburg neighborhoods the same day.
- Every job ends with a documented photo record and the 365-Day Done Right Promise.
- We service Medeco, Mul-T-Lock, Baldwin, Yale, and Schlage hardware.
Why Novak Lock & Security Is Gaithersburg’s Preferred Lock Installation & Rekey Company

Novak Lock & Security has been installing and rekeying locks since 2002, with 60,000+ locks, keys, and systems serviced in that time. In Gaithersburg specifically, we see the full spectrum: brand-new smart lock installations in Lakelands homes built five years ago, volume rekeys in Montgomery Village townhome clusters dating to the 1970s, and emergency deadbolt thaw calls every winter when Piedmont freeze-thaw cycles seize exterior hardware. We do not hide behind a callback window. A live dispatcher answers the phone around the clock, gives you a firm written price, and schedules a background-checked, uniformed technician.
Daniel Novak founded the company on one rule: the price quoted on the phone is the price on the invoice. The technician in the van is not permitted to change it at your door. That rule is Clause 1 of The Haven Standard, and it has been in force since day one. It is also why Gaithersburg homeowners who have been burned by a call-out operation before tend to stick with us after the first job. The work is documented. The price is written. The record is left with you.
Our Lock Installation & Rekey Services in Gaithersburg
Rekeying in Gaithersburg
Rekeying is the fastest and least expensive way to control who has a working key to your home. In Gaithersburg, the most common rekey we perform is on newly purchased homes in Kentlands and Lakelands. The buyer gets keys at closing, but the builder’s key, the contractor’s key, and the staging agent’s key may all still open the door. Until those cylinders are rekeyed, you don’t know how many copies exist. We rekey each cylinder in place, usually in under an hour for a standard three-lock home, and hand you a new key set while the old keys stop working immediately.
Rekeying a standard lock in Gaithersburg runs $45-$110 per cylinder, depending on the brand and whether the lock is a standard pin-and-tumbler or a high-security cylinder. We quote the full price over the phone before anyone gets in a van.

Smart Lock Installation in Gaithersburg
Smart lock installation in Gaithersburg runs $160-$420, and the final number depends more on your existing door than on the lock itself. Many homes in Montgomery Village were built with thin door slabs and misaligned strike plates. When you bolt a motorized deadbolt onto a door that doesn’t align cleanly, the motor strains against the frame on every cycle. That burns out the motor in a year or two. Before we install a smart lock, we check the strike plate alignment, the door sag, and the backset. If the door needs adjustment, we say so and quote it. The written scope covers the alignment work, not just the lock mounting.

Keypad and Keyless Entry in Gaithersburg
Keypad deadbolts and lever handles are the standard upgrade for Gaithersburg rental properties and HOA-managed townhomes. A keypad lock eliminates the rekey cycle between tenants. When a tenant moves out of a Montgomery Village unit, the property manager deletes the old code and creates a new one in under a minute. No new cylinder, no key inventory problem. We install Yale and Schlage keypad hardware most often in Gaithersburg, and we quote the per-lock price in writing before we come out. For commercial and multi-unit access control, the scope is surveyed and scheduled, with a flat per-lock price and a written statement of work.

Biometric Lock Installation in Gaithersburg
Biometric locks are still a niche product, and for good reason. The fingerprint reader on a residential biometric deadbolt is not the same as the one on your phone. Humidity, dirt, and direct sun on an exterior door degrade reader accuracy. That said, for the right Gaithersburg home, a biometric option on an interior door or a home office entrance makes sense. We install Medeco and Mul-T-Lock biometric-capable hardware where it fits, and we are direct about when it doesn’t. A biometric lock on a west-facing exterior door in Montgomery Village summer sun is a bad idea. We say so before we sell you the hardware.

What happens when you call
- 1
A real person answersNo phone trees - you reach a local pro.
- 2
You get an upfront price rangeHonest numbers before anyone is dispatched.
- 3
A background-checked tech heads outLicensed & insured, dispatched right away.
- 4
You approve before work beginsNothing starts until you say go.
Trusted Brands We Service in Gaithersburg

We install and service Medeco, Mul-T-Lock, Baldwin, Yale, and Schlage products across Gaithersburg. For high-security applications, especially the NIST-adjacent federal contractor offices and the biotech tenants along the I-270 corridor, we carry Medeco and Mul-T-Lock cylinders on the van. For residential smart lock and keypad work, we keep Yale and Schlage inventory stocked. When a Gaithersburg customer needs a specific Baldwin finish matched to an existing interior set, we order directly from the manufacturer and schedule the install once the hardware arrives. Nothing is drop-shipped to your door without your knowledge.
Common Lock Installation & Rekey Problems We See in Gaithersburg Homes
- Builder’s keys still opening the door weeks after closing. We see this constantly in Kentlands and Lakelands. The builder key, the contractor key, and the agent key are all still cut to the same cylinder. Rekey the locks on day one, not week three.
- Freeze-thaw seized deadbolts. Gaithersburg sits at roughly 500 feet in the Maryland Piedmont, higher than Bethesda or Silver Spring. It gets more freezing rain and ice events. That cycle seizes exterior deadbolts on Montgomery Village townhomes every winter, and the emergency thaw calls spike accordingly.
- Motor burnout on smart locks installed on old doors. A 30-year-old door with a misaligned strike plate fights a smart lock motor on every cycle. The humid summers make the wood swell, which worsens the alignment, which kills the motor faster. Alignment first, hardware second.
- Worn keyways on 1970s Kwikset cylinders. The sheer block-by-block concentration of identical builder-installed Kwikset hardware in Montgomery Village means worn keyways are common. A key that turns with a wiggle is a keyway that is about to fail. Replacing or rekeying before it fails is cheaper than an emergency extraction.
Pricing for Lock Installation & Rekey in Gaithersburg, MD

Here is what lock installation and rekeying actually costs in Gaithersburg, in writing:
- Standard rekey (Kwikset or Schlage pin-and-tumbler): $45-$110 per cylinder
- High-security rekey (Medeco, Mul-T-Lock): $18-$35 per cylinder, plus cylinder replacement if the existing cylinder is high-security
- Smart lock installation (Yale, Schlage, Baldwin): $160-$420 including door alignment and strike plate work
- Keypad deadbolt installation: $140-$320 including programming
- Commercial high-security installation (FIPS-compliant hardware): quoted per lock after a written survey
These are Gaithersburg market prices, not teaser numbers. We quote the full price on the phone before anyone is dispatched, and there is no call-out surcharge added on arrival. The price on that phone call is the price on the invoice. If you want a second opinion on a competitor’s written estimate, bring it to us. We will review it at no charge.
The reason Gaithersburg pricing is slightly higher than a national call-center quote is the labor overhead of sending a background-checked, uniformed technician with factory-authorized training, the photo record we leave with every customer, and the 365-Day Done Right Promise behind every job. You are not paying for a mystery technician in an unmarked van. You know who is coming, and you have the record after they leave.
Gaithersburg’s NIST Effect on Lock Hardware Demand
Gaithersburg is home to the National Institute of Standards and Technology campus on Quince Orchard Road. NIST sets the federal physical security standards, including FIPS 201, which governs the credential and access control requirements for government contractors. That means the I-270 corridor here has an unusually dense concentration of federal contractors, defense-adjacent firms, and biotech companies that need FIPS-compliant lock hardware and access control work. Rockville and Germantown do not see this at the same scale. When a contractor in Gaithersburg needs a Medeco or Mul-T-Lock high-security cylinder installed to meet a contract requirement, we do the survey, quote it in writing, and document the installation with a photo record that meets audit standards.
That federal-standard demand also influences what we stock. We carry high-security cylinders on the van because Gaithersburg customers ask for them by name. For homeowners near the NIST campus, the same logic applies: a Medeco cylinder on your front door is the same technology protecting federal facilities. The pricing is higher, but the resistance to picking, bumping, and unauthorized key duplication is a measurable difference, not a marketing claim.
The Montgomery Village Volume Rekey Pattern

Here is something you will not find on any other locksmith’s page. In Montgomery Village’s dense townhome clusters, property managers and HOA rental units cycle tenants frequently. The block-by-block concentration of identical builder-installed Kwikset hardware from the 1970s means a single locksmith can rekey an entire street’s worth of units in one afternoon. We have done it. One cul-de-sac, twenty units, same afternoon. Each unit used the same builder-installed pin and tumbler cylinders with worn keyways.
We replaced the corroded lock cylinders with bump-resistant Schlage deadbolts and cut a master key system for the property manager, so one key controls all common areas while tenants keep their own keys. That kind of volume rekeying is rare outside this specific community. If you manage a Montgomery Village HOA or rental block, call us. The survey is free, the quote is written, and the scheduling is coordinated so we can hit multiple units in one visit.
We Also Serve Cities Near Gaithersburg
Our service area extends beyond Gaithersburg to Montgomery Village, Rockville, Germantown, and Olney. We dispatch to Gaithersburg daily, and our familiarity with the Kentlands, Lakelands, and King Farm areas means we know which decade of hardware is on your door before we arrive. If you’re in Lock Installation & Rekey in Gaithersburg or any nearby community, the phone is answered live, 24/7, at (331) 310-8471.
Serving Gaithersburg, MD - Our Local Coverage Area

We’re based in the Gaithersburg area and know this community well. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
FAQs - Lock Installation & Rekey in Gaithersburg
You don’t, unless you test every key the builder, contractor, and staging agent ever had. The builder’s key, the contractor’s key, and the realtor’s key may all be cut to the same cylinder you received at closing. The only way to guarantee those old keys no longer work is to rekey every exterior cylinder. In the Kentlands, a standard three-lock rekey takes under an hour and costs $45-$110 per cylinder, quoted in writing before we start. Call (331) 310-8471 to schedule it.
Yes. We replace worn Kwikset deadbolts with bump-resistant Schlage hardware in Montgomery Village townhomes regularly. The original 1970s Kwikset cylinders have worn keyways that make the lock easier to rake and bump. A new Schlage deadbolt with a properly aligned strike plate resists both, and the installation runs $140-$320 per lock including the hardware. If you have multiple units or an entire block, we can quote a volume rate. Our team will survey the door alignment before quoting so the new deadbolt isn’t fighting a sagging frame.
Because Gaithersburg sits higher. At roughly 500 feet in the Maryland Piedmont, our freeze-thaw cycles are more frequent and more severe than lower-elevation suburbs like Bethesda or Silver Spring. Freezing rain gets into the lock body, freezes overnight, and seizes the cylinder by morning. We carry lock de-icer and a heated key extraction tool on every van in the winter, and we can usually get the lock working in one visit. After the thaw, we recommend lubricating the cylinder with a dry graphite or Teflon lubricant so the next freeze doesn’t seize it as badly. Emergency lock-thaw service is same-day in Gaithersburg - call (331) 310-8471.
Not necessarily replace, but definitely rekey. Your builder-grade cylinders may still be keyed to the builder’s key, so rekeying is step one. Step two is checking the door alignment. Lakelands homes from the early 1990s and early 2000s often have doors that have settled slightly, and a misaligned strike plate will burn out a smart lock motor faster than any other factor. We check the alignment, correct it if needed, then install the smart lock. The whole job runs $160-$420 including the alignment work, quoted in writing on the phone.
Yes. We have done exactly that. A cul-de-sac of twenty identical 1970s Kwikset deadbolts can be rekeyed in one afternoon, because the hardware is identical and the keyways are worn in a predictable pattern. We replaced the corroded cylinders with bump-resistant Schlage deadbolts and cut a master key system for the property manager, so one key controls all common areas while tenants keep their own keys. If you manage a Montgomery Village HOA or rental block, call (331) 310-8471 for a free survey and a written quote. The per-lock volume rate is lower than a single-home rekey.
Call Novak Lock & Security for Lock Installation & Rekey in Gaithersburg

When you need a lock installed, a cylinder rekeyed, or a smart lock working properly in Gaithersburg, call (331) 310-8471. A live person answers, gives you a firm written price, and schedules a background-checked, uniformed technician. The price on that call is the price on the invoice, per Haven Standard Clause 1. Every visit includes a documented photo record, and every job is covered by the 365-Day Done Right Promise. We serve all of Gaithersburg, including the Kentlands, Lakelands, Montgomery Village, King Farm, and the Quince Orchard Road corridor. The estimate is free. The advice is honest. The price is in writing before anyone gets in a van.
Written by Daniel Novak, Owner at Novak Lock & Security, providing lock installation and rekeying services in Gaithersburg, MD since founding the company in 2002.






