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.
Locksmith in San Antonio, TX
Residential locksmith work in San Antonio follows the city’s housing patterns: older Craftsman and Victorian homes in King William and Monte Vista still carry original mortise locks, while 1970s-to-1990s ranch tracts across the north and west sides are full of builder-grade cylindrical locksets now past their service life. The expansive clay soils under much of the city shift with every drought-and-downpour cycle, throwing door frames out of square and binding deadbolts in ways that no amount of lock lubrication will fix. We quote every job in writing before dispatch, and the price on the phone is the price on the invoice. Call (331) 310-8471.
Why San Antonio Homes Are Different
San Antonio sits on Blackland Prairie clay and caliche, and the soil moves. After a dry stretch breaks with heavy rain, the ground swells, slabs shift, and door frames twist enough that deadbolts stop throwing and latch bolts catch on striker plates. We see this pattern repeat every spring and fall across older neighborhoods like Alamo Heights, Terrell Hills, and Jefferson, where pier-and-beam foundations move even more than slab homes.
The heat is a separate problem. Weeks of 100°F-plus weather expand aluminum door frames and warp fiberglass doors, making latch retraction stiff and deadbolt turning difficult. Homeowners often assume the lock has failed when the real issue is frame movement, and the fix is a strike-plate adjustment or a hinge shim rather than a new deadbolt. Homes built after 2000 in Stone Oak, Helotes, and Converse typically have smart-lock-ready door preps but inconsistent hardware, and we regularly replace entry-grade Kwikset and Schlage sets with better cylindrical or mortise hardware.
Joint Base San Antonio drives another San Antonio-specific pattern. Tens of thousands of military families PCS in and out of rental homes near Lackland AFB, Fort Sam Houston, and Randolph AFB every two to three years. Each turnover requires a full lock rekey or lock change, and from May through August those calls spike hard in Westover Hills, Universal City, and Converse. A typical call starts with, “We just got our orders and moved in, we need all the locks changed today.”
Our Main San Antonio Services
Two services account for most of the calls we run in San Antonio: planned lock installation and rekey work, and emergency response when someone is locked out or a lock has failed.
Lock Installation & Rekey in San Antonio
Lock installation and rekey work in San Antonio is shaped by the housing stock. Older homes in Monte Vista and King William often have original mortise locksets that need restoration or careful replacement, while newer builds in Stone Oak and Helotes usually take standard cylindrical hardware. Rekeying is the fastest way to secure a newly purchased home or a rental turnover, and the soil-driven frame movement across the city means we evaluate striker alignment on every rekey rather than just swapping pins. Lock Installation & Rekey in San Antonio covers what we do and what it costs.

Emergency Locksmith in San Antonio
Emergency calls in San Antonio range from midnight lockouts after a Spurs game to deadbolts that finally fail when the frame shifts after a summer storm. Our dispatchers answer live, 24/7, and quote a firm price before a technician rolls. The technician carries a written scope and cannot change the price at the door, which is the whole difference between a locksmith call you can plan for and one you regret. Emergency Locksmith in San Antonio details response times and emergency pricing.

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.
Residential Locksmith in San Antonio

Residential locksmith work in San Antonio splits between two housing realities: century-old homes in King William and Monte Vista with original mortise hardware, and sprawling ranch tracts built from the 1970s through the 1990s with builder-grade cylindrical locks that are now past their service life. On top of that, the clay and caliche soils under most neighborhoods move seasonally, which means a deadbolt that worked in January can bind in June after a drought breaks. We approach every residential job with that frame movement in mind, because in San Antonio a lock problem is often a door problem first. Our Residential Locksmith service covers the full scope of what we do.
Lock Rekey
Signs you need it
You just bought the home, a tenant moved out, or a contractor or housekeeper still has a key.
What it costs in San Antonio
Lock rekey typically runs $65-$90 per cylinder when we come to you, quoted in writing before we start.
How we do it
We remove the cylinder, replace the pins so old keys no longer work, cut new keys, and test every lock on the door, including the deadbolt.
Deadbolt Installation
Signs you need it
Your entry doors only have knob or lever locks, the existing deadbolt is a builder-grade Kwikset or no-name unit, or the deadbolt binds due to frame shift.
What it costs in San Antonio
Installing a new deadbolt typically costs $95-$190 per lock, depending on grade, and we quote the full price before dispatch.
How we do it
We measure the bore and backset, install the deadbolt, align the strike plate for the current frame position, and leave you with new keys and a documented photo record.
What Residential Locksmith Costs in San Antonio
| Item | Typical range in San Antonio |
|---|---|
| Lock rekey | $65-$90 per cylinder |
| Deadbolt installation | $95-$190 per lock |
| Residential lockout | $75-$150 |
How fast can you get to my house in San Antonio?
Most residential calls in central San Antonio are reached within 45-60 minutes. Neighborhoods outside Loop 1604, including Stone Oak and Helotes, add drive time. Dispatch gives you a firm ETA and a firm price when you call.
Will you rekey locks on an older San Antonio home with mortise hardware?
Yes. Mortise locks in King William, Monte Vista, and Alamo Heights homes are often rebuildable, and we rekey the original cylinder rather than replacing the lockset when the hardware is sound. Written price first.
Commercial Locksmith in San Antonio

Commercial locksmith work in San Antonio runs from storefront locks on Broadway and the Pearl district to access control and master key systems in medical and military-adjacent office space near Fort Sam Houston. The city’s clay soils do not stop at residential property lines, and we regularly realign strike plates and panics bars on commercial doors that have shifted out of square after a heavy rain cycle. Every commercial job starts with a written scope and a flat per-lock or per-door price, so a building manager knows the full number before we dispatch. Our Commercial Locksmith service covers the range of work we do for businesses.
Master Key System
Signs you need it
You manage a building or property where different staff need different levels of access, or you are rekeying after an employee departure and want to eliminate the risk of a copied key.
What it costs in San Antonio
Master key systems are quoted per cylinder and per level of keying, and the written quote is firm before we start; rekeys on commercial hardware typically start at $14-$30 per cylinder in bulk.
How we do it
We survey the doors, map the access levels, cut the master and change keys, rekey every cylinder, and leave the building manager with a written keying chart.
Panic Bar Installation
Signs you need it
An exit door on a commercial property lacks a fire-rated panic device, or the existing panic bar is binding on a shifted frame and no longer closes cleanly.
What it costs in San Antonio
Commercial locksmith jobs are surveyed and scheduled with a written scope and a flat per-door price, rather than an hourly or dispatch-based estimate.
How we do it
We measure the door and frame, install the bar and vertical rod hardware where needed, align the strike for the current frame position, and test egress and latching from both sides.
What Commercial Locksmith Costs in San Antonio
| Item | Typical range in San Antonio |
|---|---|
| Commercial rekey | $14-$30 per cylinder, in bulk |
| Commercial lockout | $95-$250 |
| Panic bar installation | Flat per-door price after survey |
Can you rekey a commercial property over multiple visits?
Yes. We schedule around your business hours and can phase the work across a building or portfolio. Each phase is priced in writing, and the total is fixed before we begin the first door.
Do you work on high-security commercial locks in San Antonio?
Yes, including Medeco, Mul-T-Lock, Abloy, and Sargent cylinders. These locks have restricted keyways and cannot be duplicated at a hardware store, which is the point. We are factory-authorized for the major high-security lines.
Automotive Locksmith in San Antonio

Automotive locksmith calls in San Antonio cluster around two situations: lockouts and key replacement for vehicles parked at Lackland AFB, Fort Sam Houston, and Randolph AFB during PCS season, and transponder or fob failures on cars left in 100°F heat for months at a time. San Antonio’s summer temperatures bake key fobs on dashboards and in console trays, and batteries die faster here than in cooler climates. We can cut and program keys on-site for most vehicles, and we quote the full price before we dispatch. Our Automotive Locksmith service covers car lockouts, key replacement, and programming.
Car Lockout
Signs you need it
Your keys are in the car, the doors locked, and the engine is off or running.
What it costs in San Antonio
Car lockout service in San Antonio typically runs $60-$120, and the dispatcher quotes a firm price before a tech leaves.
How we do it
We open the door with non-destructive tools, verify ownership and ID, and hand back the keys, usually within 30-45 minutes of arrival.
Car Key Replacement
Signs you need it
You lost your only key, the key snapped in the ignition, or the fob casing is cracked and the circuit board is no longer reliable.
What it costs in San Antonio
Basic car key replacement starts around $150-$250; transponder keys and fob-programmed keys run higher, and we quote the exact figure in writing before dispatch.
How we do it
We cut the key to your VIN, program the chip or fob on-site, test the ignition and doors, and give you a documented record of the work.
What Automotive Locksmith Costs in San Antonio
| Item | Typical range in San Antonio |
|---|---|
| Car lockout | $60-$120 |
| Car key replacement | $150-$250+ |
| Key fob programming | Quoted in writing before dispatch |
Can you replace a car key if I lost all my keys?
Yes. We cut keys by VIN for most makes and models, and we program transponder keys and fobs on-site. You will need proof of ownership and ID, and the price is firm before we start.
Do you cut and program keys for newer cars with push-button start?
Yes, for most vehicles with proximity fobs and push-button start. Programming requires a diagnostic tool and the vehicle present, and we do it at your location with a written price first.
Brands We Service in San Antonio

We work across the full hardware spectrum in San Antonio, from entry-grade Kwikset and Schlage to high-security Medeco, Mul-T-Lock, Abloy, Baldwin, and Sargent. Most residential and commercial cylinders are stocked locally or available same day. Our brands page lists the full factory-authorized lines.
Pricing for Locksmith in San Antonio, TX
| Service | Typical range in San Antonio |
|---|---|
| Lock rekey | $65-$90 per cylinder |
| Deadbolt installation | $95-$190 per lock |
| Residential lockout | $75-$150 |
| Commercial rekey | $14-$30 per cylinder, in bulk |
| Commercial lockout | $95-$250 |
| Panic bar installation | Flat per-door price after survey |
| Car lockout | $60-$120 |
| Car key replacement | $150-$250+ |
| Key fob programming | Quoted in writing before dispatch |
| Master key system | Quoted per cylinder and keying level |
In San Antonio, the biggest price variables are hardware grade and frame condition. A high-security Mul-T-Lock or Baldwin deadbolt costs more than a standard Schlage, and a door that has shifted out of square on clay soil takes longer to align. We quote the full price on the phone before dispatch, and that is the price on the invoice. Haven Standard Clause 1.
Neighborhoods We Serve in San Antonio

We cover the full metro, from King William and Monte Vista inside Loop 410 to Stone Oak, Helotes, Converse, and beyond Loop 1604. Average response time for central neighborhoods is 45-60 minutes; outer areas add drive time and the dispatcher confirms ETA when you call.
- Alamo Heights and Terrell Hills
- King William and Monte Vista
- Stone Oak and Sonterra
- Helotes and Westover Hills
- Converse and Universal City
Service Area - Cities Near San Antonio
Our San Antonio office also schedules work in nearby cities along the I-35 and I-10 corridors. We regularly serve Schertz, TX and New Braunfels, TX to the northeast, Kyle, TX toward Austin, and Austin, TX for scheduled commercial and high-security work.
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 in San Antonio
Most central San Antonio addresses are reached within 45-60 minutes. Outer neighborhoods like Stone Oak, Helotes, and Converse add drive time, and the dispatcher gives you a firm ETA and a firm price on the same call. Emergency response runs 24/7.
Most residential lock changes and rekeys need no city permit, and HOAs in San Antonio do not regulate interior lock hardware. Commercial changes of use sometimes trigger code review, and we tell you before work starts if an access-control change requires documentation.
Novak Lock & Security is independently owned and operated, with dispatch and scheduling coordinated from the brand’s San Antonio office. Background-checked, uniformed technicians work locally under The Haven Standard, and every job includes a documented photo record.
Call (331) 310-8471 for a written price before any work begins. No dispatch fee added at the door, and the price on the phone is the price on the invoice.
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.
- 3We come out and measureLicensed & insured, at a time that suits you - the visit and the quote are both free.
- 4You get the price in writingLine-itemed, yours to keep, and nothing starts until you say go.
What San Antonio Customers Say
"Fast, polite, and carried identification without being asked. Would use again."
- Grant W."Locked out at eleven at night. A person answered, gave me a time and a name, and both were right."
- Franklin D."Quoted forty-five on the phone, paid forty-five at the door. I had been burned by a company that quoted nineteen and then wanted three hundred."
- Theresa Q.






