Locksmith Services in San Antonio, TX
Locked out in San Antonio? A trained Strongbox technician can usually be at your door in 30-45 minutes, and we’ll quote a flat price before the truck rolls. We’ve worked San Antonio since 2013, and we know the difference between a lock that’s failed and a door frame that’s shifted in the heat. Call (877) 664-8139 - a live person answers, 24/7.
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.
Why San Antonio Homeowners Choose Strongbox Lock & Safe Co.
San Antonio homeowners have long memories. If you’ve been stung by a $19-ad locksmith who quoted one price on the phone and handed you a $400 invoice at midnight, you don’t forget it. We started hearing those stories from Alamo Heights and Monte Vista within months of opening here in 2013, and we built Strongbox to be the direct alternative.
Our technicians are background-checked, uniformed, and carry company ID. They quote a flat price on the phone - the same price on the invoice. Every job carries our 90-Day Done Right Promise in writing. If something isn’t right, we come back. No paperwork to file, no argument, no charge.
We answer our own phones. Nights, weekends, holidays - a live person, every time. No voicemail trees, no callback queues. That’s not a feature we added later. It’s how we’ve operated for over 42 years.
San Antonio’s older neighborhoods are where we do our best-known work. In Dignowity Hill, we’ve rekeyed original mortise locks in limestone vernacular homes built before 1940. In the King William Historic District, we’ve sourced period-correct hardware to satisfy HDRC review. These aren’t jobs every locksmith will take - the skills and the patience are specific.
Locksmith Services We Offer in San Antonio
Residential Locksmith in San Antonio
We rekey, repair, and replace locks in homes from 1920s West Side bungalows to new construction in Stone Oak. When San Antonio’s summer drought shrinks door frames or fall rains swell them tight, we diagnose whether the lock or the frame is the real problem. Learn more about our Residential Locksmith in San Antonio.

Commercial Locksmith in San Antonio
Master key systems, access control, panic hardware, and high-security installations for businesses along I-10, Loop 410, and downtown. We work with property managers who need one vendor across multiple San Antonio locations and one point of contact who answers the phone. Learn more about our Commercial Locksmith in San Antonio.

Automotive Locksmith in San Antonio
Car lockouts, key fob programming, ignition repair, and transponder key replacement. We carry the equipment to cut and program on-site, so you’re not waiting for a second trip or a tow to the dealer. Learn more about our Automotive Locksmith in San Antonio.

Lock Installation & Rekey
New deadbolts, smart lock upgrades, and full rekeys after a move, tenant change, or lost key. We install Schlage, Medeco, Yale, and Kwikset - the right hardware for the door, not just what’s on the truck. In San Antonio’s historic districts, we also source and install period-appropriate mortise sets when standard modern hardware won’t comply.

Emergency Locksmith
Locked out at midnight? Key broken off in the lock? We answer live, dispatch immediately, and quote your flat price before we drive. Our 24/7 emergency response covers all San Antonio ZIP codes we serve, typically arriving within 30-45 minutes.

Neighborhoods We Serve in San Antonio
We keep our service radius tight enough to respond quickly, wide enough to cover where San Antonio actually lives. Typical arrival time is 30-45 minutes across our core service area.
- King William Historic District (78204) - Period-correct hardware sourcing and HDRC-compliant installation
- Dignowity Hill (78203) - Antique mortise lock repair and rekeying in pre-1960 homes
- Alamo Heights - Residential rekeys and high-security upgrades
- Monte Vista - Historic home lock restoration and smart lock integration
- Stone Oak / 78216 corridor - Newer construction lock installation and access control
Why San Antonio’s Climate & Housing Affect Locksmith Work
San Antonio sits on some of the most expansive clay soils in Texas. The Vertisol clays throughout Bexar County swell when wet and shrink when dry, and they move your house whether you notice or not. Twice a year, our phones light up with the same pattern: deep summer, when sustained 100°F heat shrinks door frames and deadbolts suddenly rattle in oversized strike pockets; then again after the first heavy fall rains, when rehydrated clay swells frames tight and throws deadbolts out of alignment.
We’ve learned to diagnose this before we sell a lock. In the 78201-78210 corridor, a “broken” deadbolt is often a shifted frame. A technician who doesn’t check the strike plate geometry will sell you hardware you don’t need. We’ve also learned which seasons to expect which calls - and to keep our scheduling flexible when the weather turns.
The housing stock compounds this. The 1910s-1940s wood-frame bungalows on the West Side, the Victorian limestone homes in Dignowity Hill, and the late-19th-century masonry mansions in King William commonly retain original mortise locksets, skeleton-key cylinders, and cast-iron strike boxes. These aren’t Kwikset or Schlage products. They require specialty sourcing, antique rekeying skills, and patience. In King William specifically, the Historic Design and Review Commission can require period-appropriate exterior hardware on contributing structures - meaning a routine deadbolt replacement stalls until we locate a matching antique mortise set. This combination of soil mechanics and historic preservation compliance defines locksmith work in San Antonio in a way no neighboring city replicates.
Pricing for Locksmith Services in San Antonio
We quote flat prices on the phone. The price we quote is the price on the invoice.
| Service | Typical Range |
|---|---|
| House lockout (standard) | $89 - $145 |
| Rekey (per cylinder) | $22 - $35 |
| Deadbolt installation (labor + standard hardware) | $165 - $285 |
| High-security deadbolt (Medeco, Mul-T-Lock) | $340 - $520 |
| Car lockout | $95 - $165 |
| Transponder key programming | $185 - $340 |
| Seasonal Tune-Up | $89 |
Approved standing offers: $50 off any repair over $250. Free second opinion on any written estimate. Permanent 5% discount for seniors and veterans. Call (877) 664-8139 for your exact quote - estimates are free.
Service Area - Cities Near San Antonio
We also serve Leon Valley for residential and automotive lockout response, Lackland Air Force Base area for military housing rekeys and base-adjacent commercial work, Converse for newer subdivision lock installation, and Live Oak for residential and small-business service. Same flat-price policy, same live-answer phones, same 90-Day Done Right Promise.
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 About Locksmith Services in San Antonio
A standard house lockout in San Antonio typically runs $89-$145, and a rekey costs $22-$35 per cylinder. We quote your exact flat price on the phone before we drive, so the invoice matches what you heard. Call (877) 664-8139 for a free estimate.

San Antonio’s Vertisol clay soils swell and shrink with seasonal moisture, racking door frames and misaligning strike plates. The deadbolt isn’t failing - the frame is moving. We check strike geometry first, and we often fix the alignment without selling you a new lock. Call (877) 664-8139 and we’ll diagnose it properly.

Yes. In neighborhoods like Dignowity Hill and King William, we regularly rekey antique mortise locksets, skeleton-key cylinders, and cast-iron strike boxes. In King William specifically, we also source HDRC-compliant period hardware when replacement is necessary. Not every locksmith stocks these skills - we do.

We do. For lockouts and urgent security issues, we typically arrive within 30-45 minutes. Scheduled work like rekeys and installations is usually available same-day or next-day. A live person answers our phones 24/7 to book your appointment. Call (877) 664-8139.

Rekeying is almost always cheaper - $22-$35 per cylinder versus $165-$285 for a standard deadbolt replacement with labor. If your hardware is sound and you simply need new keys, rekeying is the square deal. We only recommend replacement when the lock is damaged, outdated, or doesn’t meet your security needs. Call (877) 664-8139 and we’ll tell you honestly which path makes sense.
Written by the team at Strongbox Lock & Safe Co., serving San Antonio since 2013.

What happens when you call
- 1A real person answersNo phone trees - talk to a local locksmith pro.
- 2You get an upfront price rangeHonest numbers before anyone is dispatched. No surprises.
- 3A background-checked tech heads outLicensed & insured, typically within within the hour.
- 4You approve before work beginsNothing starts until you say go.
What Los Angeles Customers Say
"Showed up fast, fixed it right the first time, and the price matched the quote. Couldn't ask for more."
- Verified local homeowner"Professional from the first call. Explained everything clearly and left the area spotless."
- Verified local homeowner"Called in the morning, problem solved by afternoon. Honest, upfront pricing - highly recommend."
- Verified local homeowner