Fast, Reliable Lock Installation & Rekey Across San Antonio
Lock installation and rekeying in San Antonio typically runs $89-$340 depending on hardware and door condition, and our Lock Installation & Rekey team can usually be there same day. We’re Lock Installation & Rekey in San Antonio seven days a week, including nights and holidays, because a door that won’t lock right is not a tomorrow problem.
We’ve been working San Antonio homes for over 42 years, from the Victorian rows of King William to the post-war frame houses on the West Side and the ranch-style spreads beyond Loop 410. San Antonio’s housing stock is older than most San Antonio cities, and that means locks that are 80, 100, sometimes 120 years old, still doing duty on doors that have shifted and settled with every season. We know the difference between a Kwikset that needs replacing and a Sargent mortise box that needs saving, and we quote a flat price on the phone before the truck rolls. Call (844) 697-1013.
Why Strongbox Lock & Safe Co. of San Antonio Is San Antonio’s Preferred Lock Installation & Rekey Company
San Antonio homeowners call us because we’ve earned a reputation for showing up when we say, doing the work right, and standing behind it without paperwork or arguments. Our 90-Day Done Right Promise is backed in writing on every job, no exceptions. We’ve served local communities for over 42 years, and in that time we’ve rekeyed base housing near Lackland, rescued jammed deadbolts in Monte Vista after spring rains, and preserved original hardware in King William homes that the Historic Commission watches closely.
Our technicians are background-checked, uniformed, and present ID at the door on every visit. The price we quote on the phone is the price on the invoice. A live person answers every call, 24/7, including nights, weekends, and holidays. No voicemail trees, no callback queues.
We carry stock for San Antonio’s common hardware profiles, including antique-profile blanks for vintage Yale and Sargent keyways that big-box locksmiths don’t touch. That means faster turnaround and fewer return trips.
Our Lock Installation & Rekey Services in San Antonio
Smart Lock Installation
Smart lock installation in San Antonio runs $180-$340 for most residential doors, including WiFi-enabled deadbolts with app control and guest-code programming. We install Yale, Schlage, and Baldwin smart locks with the proper strike plate depth and frame shimming to account for seasonal clay-soil movement. Here’s the thing San Antonio homeowners learn the hard way: standard lithium batteries rated for 12 months fail in 4-6 months here. Summer temperatures above 100°F degrade battery chemistry faster than manufacturer estimates allow. We spec high-temperature battery configurations and set realistic replacement schedules so you’re not locked out at midnight.
Keyless Entry & Keypad Lock Installation
Keypad deadbolts and keyless entry systems installed in San Antonio typically cost $150-$280. We see heavy demand for these from military families in the 78201-78210 ZIPs who cycle through rental properties on PCS rotations and need to hand off access codes rather than physical keys. For historic districts like King William (78204) and Monte Vista (78209), we engineer keypad solutions that mount independently of original mortise hardware, satisfying Historic Commission guidelines while adding modern convenience. The keypad sits beside the vintage lock, not through it.
Biometric Lock Installation
Biometric lock installation in San Antonio starts at $220 and ranges to $400 for fingerprint-enabled deadbolts with multiple user profiles and audit trails. These suit homeowners who want no keys at all, no codes to remember. We install biometric hardware with reinforced strike boxes and extended throw bolts to compensate for frame shift in clay-soil conditions. Fingerprint sensors can degrade in extreme heat and direct sun exposure, so we advise placement away from unshaded south-facing doors common in Alamo Heights and Terrell Hills.
Electronic Lock Repair & Rekeying
Electronic lock repair and rekeying in San Antonio runs $89-$180 depending on whether the issue is software, wiring, or mechanical. We service electronic strikes, mag locks, and access control systems in both residential and light commercial applications. Many calls come from older homes in 78212 and 78213 where electronic components were retrofitted onto doors never designed for them, leading to wire fatigue and solenoid failure.
Key Duplication
Key duplication is a $12-$25 service for standard residential keys in San Antonio, but vintage and high-security blanks run higher. We duplicate Mul-T-Lock, Medeco, and antique Yale and Sargent profiles on-site. Military families near Fort Sam Houston and Randolph AFB often need duplicates for base housing, rental properties, and family members during PCS transitions. We maintain blank inventory for restricted keyways that hardware stores cannot copy, including some vintage profiles found only in San Antonio’s pre-1940 housing stock.
What happens when you call
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A real person answersNo phone trees - you reach a local pro.
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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 San Antonio
We install and service the full range of premium security hardware: Schlage, Medeco, Mul-T-Lock, Abloy, Baldwin, Yale, Kwikset, and Sargent. For San Antonio customers, we keep common cylinders, strikes, and antique-profile blanks in local stock so most jobs finish in one visit. A Sargent mortise lock from a 1905 King William home requires a different approach than a modern Schlage deadbolt on a Terrell Hills ranch, and we carry the parts for both. No waiting on San Antonio or Houston distribution centers for hardware that should be on the truck.
Common Lock Installation & Rekey Problems We See in San Antonio Homes
- Clay soil movement jams deadbolts within months of installation. San Antonio’s Taylor clay soil expands significantly after spring rains and contracts hard during summer droughts when temperatures exceed 100°F. Door frames shift out of plumb, and deadbolts installed square in January bind by May. Technicians who don’t shim and strike for this seasonal cycle end up with callback nightmares.
- Modern cylinders forced into vintage mortise locks crack when frames settle. Installing Kwikset or Schlage cylinders directly into 1890s mortise hardware without verifying keyway compatibility stresses the lock face. When the clay soil shifts the frame, the mismatch cracks cast-iron lock bodies that are irreplaceable.
- Smart lock batteries fail prematurely in summer heat. Standard lithium batteries in keypad and biometric locks degrade far faster than manufacturer estimates under San Antonio’s extreme summer temperatures. Homeowners in Windcrest and Kirby discover this when their smart lock dies mid-cycle, leaving them keyless.
- Historic Commission rules block hardware upgrades in designated districts. King William (78204) and parts of Monte Vista (78209) require Historic Preservation review for exterior hardware changes. Swapping a vintage Yale lever for a modern keypad without approval triggers violations and forced restoration at owner expense.
Pricing for Lock Installation & Rekey in San Antonio, TX
| Service | Typical Range in San Antonio |
|---|---|
| Standard rekey (per cylinder) | $89-$125 |
| Deadbolt installation (standard door) | $120-$180 |
| Smart lock installation | $180-$340 |
| Keypad/keyless entry installation | $150-$280 |
| Biometric lock installation | $220-$400 |
| Vintage mortise lock service/repair | $140-$280 |
| Key duplication (standard) | $12-$25 |
| High-security/antique blank duplication | $25-$65 |
What moves the needle: door condition, whether the frame needs shimming for clay-soil compensation, hardware grade, and whether we’re working around existing historic hardware. We quote flat prices on the phone before any work begins. Estimates are free. Seniors and veterans receive a permanent 5% discount. Repairs over $250 qualify for $50 off. Call (844) 697-1013 for your exact quote.
We Also Serve Cities Near San Antonio
Our service area extends to Alamo Heights, Terrell Hills, Kirby, and Windcrest, with the same flat-price quoting and 90-Day Done Right Promise we honor in San Antonio proper. Whether you’re in a 1940s cottage near Alamo Heights’ Broadway corridor or a mid-century ranch in Windcrest, we know the local housing stock and soil conditions that affect your locks.
Serving San Antonio, TX - Our Local Coverage Area
We’re based in the San Antonio 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 San Antonio
No. The San Antonio Historic Design and Review Commission requires approval for exterior hardware changes in the King William Historic District (78204) and portions of Monte Vista (78209). We engineer keypad solutions that mount independently beside original hardware, preserving the vintage lock while adding modern access. Call (844) 697-1013 to discuss your specific door configuration.
San Antonio’s Taylor clay soil swells after spring rains and shrinks during summer drought, shifting door frames out of plumb and binding deadbolts installed to fixed dimensions. We shim strikes and use adjustable components to compensate for this seasonal cycle, which is far more acute here than in cities on stable limestone or sandy soils. Call (844) 697-1013 if your deadbolt is binding now.
Yes, if the lock body and keyway are intact. We stock antique-profile Sargent blanks and can pin new cylinders to original keyways, preserving hardware that Historic Commission guidelines may protect. We serviced a 1928 Craftsman in King William’s 78204 with exactly this approach, pinning a new cylinder to a vintage Yale keyway while adding a modern strike plate shimmed for clay-shifted frame movement. Call (844) 697-1013 to schedule an evaluation.
Not special cylinders, but rekeyable systems save money and hassle. We recommend Schlage or Kwikset SmartKey cylinders for rental properties near Fort Sam Houston and Randolph AFB, allowing instant rekeying between tenants without replacing hardware. This cuts turnover costs for landlords and gives departing families clean key control. We regularly handle PCS-move rekeying across the 78201-78210 ZIPs. Call (844) 697-1013 to arrange service.
Every 4-6 months, not the 12 months manufacturers estimate. Summer temperatures above 100°F degrade lithium battery chemistry faster than in cooler climates. We recommend high-temperature battery configurations and proactive replacement schedules, especially for unshaded south-facing doors in Alamo Heights and Terrell Hills. Call (844) 697-1013 and we’ll set a reminder schedule with your installation.
Ready to get your locks sorted? Call Strongbox Lock & Safe Co. of San Antonio at (844) 697-1013 for a free estimate. We’ll quote a flat price on the phone, show up when we say, and back every job with our 90-Day Done Right Promise in writing. No bait, no switch, no arguing.
Written by Calvin Dressler, Owner at Strongbox Lock & Safe Co. of San Antonio, serving San Antonio since 2013.