Fast, Reliable Lock Installation & Rekey Across Manassas
Lock installation and rekeying in Manassas typically costs $125-$295 for residential deadbolts and $180-$340 for smart lock retrofits, with same-day service available throughout the city. Our Lock Installation & Rekey team covers all Manassas ZIP codes - 20108, 20109, 20110, and 20113 - and we usually arrive within 45 minutes to an hour for calls placed during business hours. Call (877) 664-8139 for a flat price quote before we dispatch; the number we give is the number on the invoice.
We’ve been serving Manassas long enough to know the difference between a 1990s subdivision off Sudley Road and a Queen Anne on Battle Street. That matters because the lock on your door is only as good as the technician who diagnoses why it’s failing. In Manassas, the answer is often the house, not the hardware.
Why Strongbox Lock & Safe Co. Is Manassas’s Preferred Lock Installation & Rekey Company
Strongbox Lock & Safe Co. has served Northern Virginia communities for over 42 years, and Manassas has been central to our route since the 1990s buildout filled ZIP codes 20109 and 20112 with new subdivisions - work now handled by our Residential Locksmith in Manassas. We watched those neighborhoods go up, and now we’re replacing the builder-grade Kwikset deadbolts that came standard in every unit.
Our technicians are background-checked, uniformed, and carry company ID - we show it at every door in Manassas, whether we’re rekeying a rental near the VRE station or installing a Medeco high-security cylinder in a home off Liberia Avenue. Calls are answered by a live person, 24/7, including nights, weekends, and holidays. No voicemail trees, no callback queues.
Every job carries our 90-Day Done Right Promise: backed in writing, no arguing, no extra paperwork. If it’s not right, we come back. We’ve operated this way for four decades because we plan to be here in thirty more.
Our Lock Installation & Rekey Services in Manassas
Smart Lock Installation
Smart lock retrofits are our fastest-growing request in Manassas, especially in the 1990s-2000s townhome communities where homeowners are upgrading from corroded Kwikset deadbolts to Wi-Fi connected hardware. We install Schlage Encode Plus, Yale Assure Lock SL, and other premium models - but we always measure the frame gap first. In western Manassas subdivisions, clay-soil foundation movement means standard strike plates often miss the bolt entirely. We carry extended strikes and adjustable faceplates so your smart lock actually locks.

Keyless Entry
Keyless entry systems eliminate the key entirely - punch a code, tap a card, or use your phone. For Manassas families with kids coming home from school or rental properties near Old Town, this means no more hiding spare keys under planters. We program Baldwin and Yale keyless sets with master codes, user codes, and temporary access for contractors or guests. The hardware we recommend for Manassas accounts for our harder freeze cycles: rubberized keypads rated below zero, not the budget units that crack after two winters.

Keypad Lock Installation
Keypad locks bridge the gap between traditional deadbolts and full smart home integration. In Manassas’s 2000s-era subdivisions, we install a lot of Kwikset SmartCode and Schlage keypad models - reliable, no Wi-Fi required, straightforward for homeowners who want to stop carrying keys without complexity. We mount them on entry doors that have settled slightly out of square, which is common in 20109 and 20112, and we adjust the strike so the motorized bolt doesn’t grind against the jamb every time it extends.

Biometric Lock Installation
Fingerprint locks are still a niche request in Manassas, but we’ve installed them for home offices, gun rooms, and a few commercial clients on Center Street who need audit-trail access without managing keys - one of the services our Commercial Locksmith in Manassas provides. The technology has improved - current models handle temperature swings better than early generations, which matters in Manassas where January nights drop into the teens. We source biometric hardware from manufacturers with cold-weather testing, not the discount units that fail to read after a freeze.

Electronic Lock Repair & Rekey
Electronic locks combine motorized bolts with traditional key override. When the motor fails or the wiring corrodes, most Manassas homeowners assume replacement is the only option. Often we can rekey the cylinder, replace the actuator, or clean the contacts for a fraction of the cost. We stock parts for major brands so Manassas customers aren’t waiting a week for a cross-country shipment.

Key Duplication
We cut keys on-site for every lock we install or rekey. For high-security brands like Medeco and Mul-T-Lock, key duplication requires authorization and specialized equipment - we maintain that capability in-house, not through a third party. If you’re rekeying a Manassas rental or handing keys to a new housemate, we cut what you need before we leave.

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.
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A background-checked tech heads outLicensed & insured, dispatched right away.
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You approve before work beginsNothing starts until you say go.
Trusted Brands We Service in Manassas
We install and service Kwikset, Medeco, Yale, and Baldwin hardware from stocked inventory - not special orders that leave you waiting. Kwikset remains the standard replacement for Manassas’s 1990s-2000s subdivisions; we carry the SmartKey series for homeowners who want rekeyable cylinders without replacing the whole lock. Medeco and Yale go on doors where security matters more than convenience: home offices, detached workshops, properties with recurring break-in attempts. Baldwin handles the aesthetic side - solid brass and forged bronze entry sets for Manassas homes where the front door is part of the architecture. We size the brand to the door, not the truck.
Common Lock Installation & Rekey Problems We See in Manassas Homes
- Corroded Kwikset pins from hard-freeze winters. Manassas sits higher and farther inland than Arlington or Fairfax, so we get harder freezes. Moisture enters 1990s-era deadbolts, freezes, expands, and corrodes the pin stacks. The key starts sticking, then stops working entirely. Rekeying with fresh pins usually restores function; we also lubricate with graphite, not oil that attracts more moisture.
- Misaligned strike plates from clay-soil foundation movement. In 20109 and 20112 subdivisions, heavy clay soils shift with seasonal moisture changes. Deadbolts that once lined up perfectly now miss the strike by an eighth-inch or more. We diagnose the frame gap before blaming the cylinder, and we carry extended strike plates sized for this exact problem.
- Seized mortise locksets in Old Town commercial buildings. The legacy hardware on Center Street and Battle Street was built to last a century, but original cylinders and springs wear out. Modern residential locksmiths often lack the tools or training to service these properly. We rekey and rebuild mortise locks without damaging the cast-iron case or the vintage faceplate.
- Smart lock battery failure in uninsulated entryways. Manassas homeowners who install battery-powered smart locks on porch doors or detached garages discover that cold drains cells faster than expected. We hardwire where possible or specify lithium battery packs rated for sub-zero operation.
Pricing for Lock Installation & Rekey in Manassas, VA
Here’s what lock installation and rekeying costs in the Manassas market, based on jobs we’ve completed across 20108, 20109, 20110, and 20113:
- Standard deadbolt rekey: $125-$175
- Deadbolt installation (new bore, standard hardware): $180-$250
- Smart lock retrofit (including strike adjustment): $220-$340
- High-security cylinder installation (Medeco, Mul-T-Lock): $280-$450
- Mortise lock rekey or rebuild (Old Town): $195-$320
- Keypad lock installation: $200-$295
- Emergency after-hours rekey: Add $75 to standard rate
Frame-gap correction, extended strike plates, and non-standard door prep add $35-$85 depending on labor. We quote your exact price on the phone before dispatch - no bait, no switch, no “service call” upsell. Seniors and veterans receive a permanent 5% discount. Call (877) 664-8139 for a free estimate.
We Also Serve Cities Near Manassas
Our mobile shop covers Lock Installation & Rekey in Manassas and the surrounding Prince William and Fairfax County corridor, including Centreville, Lake Ridge, Dale City, and Burke. Same flat pricing, same written guarantee, same live-answer dispatch.
Serving Manassas, VA - Our Local Coverage Area
We’re based in the Manassas 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 Manassas
It’s usually both. In Manassas subdivisions built during the 1990s-2000s, clay-soil movement shifts door frames while original Kwikset deadbolts corrode internally. We test the cylinder on the bench and measure the frame gap before recommending repair or replacement. Call (877) 664-8139 - we’ll diagnose it properly and quote a flat price.
Yes, if the lock body and bolt mechanism are intact. We recently rekeyed a mortise lock in a Queen Anne on Battle Street, fitting a Mul-T-Lock high-security core into the existing cast-iron case. Not every locksmith carries the tooling or the patience for this work. If your Old Town building has legacy hardware, call us before letting someone drill it out.
We recommend Schlage Encode Plus or Yale Assure Lock SL for Manassas’s colder microclimate - both have cold-weather-tested keypads and motorized bolts that don’t bind in swollen frames, which is why our Automotive Locksmith - Manassas team applies the same standards to vehicle lock systems. Budget smart locks with plastic components often crack after two winters here. We install with extended strike plates and weatherstripping adjustments as needed.
Probably, if you’re experiencing sticking, corrosion, or you’ve lost track of who has keys. Builder-grade Kwikset hardware from the 2000s is reaching end-of-life across Manassas. Rekeying buys time; upgrading to a SmartKey rekeyable model or a smart lock eliminates the problem permanently. We quote both options on the phone.
Yes. We rekey, rebuild, and replace commercial mortise locks, rim cylinders, and exit hardware for Old Town Manassas storefronts. The legacy hardware on Center Street and Battle Street requires different skills than suburban residential work - we carry the parts and the training. Same flat pricing, same 90-Day Done Right Promise.
Written by Gil Navarro, Owner at Strongbox Lock & Safe Co., serving Manassas and Northern Virginia since 1982.