Smart locks
House lockouts
Re-keying
Deadbolt upgrades
Schlage
Kwikset
Car keys & fobsNon-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.
Get your free estimateLocksmith in Katy, TX
Most locksmith calls in Katy start the same way: a new house key that also opens a neighbor’s door, a deadbolt that won’t turn after a humid summer, or a car key that disappeared somewhere between LaCenterra and the Grand Parkway. Rekeying is the fix for the first two, and it’s the service we perform most often across 77450, 77491, 77492, and 77493. Whether you just closed on a Cinco Ranch home or need a lock changed after a tenant move-out, call Knight Locksmiths at (833) 589-8049 and we’ll walk you through exactly what the job involves before anyone is dispatched.
Why Katy Homes Are Different
Katy’s housing stock is overwhelmingly 1990s-to-2020s suburban tract and master-planned construction. That means standard builder-grade Kwikset or Weiser knob-and-deadbolt sets on nearly every entry door, with garage entry doors and rear sliding-glass doors as the most common secondary lock points. The real difference from older Houston neighborhoods is turnover volume: Katy sees constant move-ins, and builders install the same keyway on every home in a phase. In Cinco Ranch and Cross Creek Ranch, a new homeowner’s key frequently opens a neighbor’s door, which is why rekeying within the first week of closing is nearly universal here.
Gulf Coast humidity adds another layer. Cylinders bind, keys stick, and interior humidity swings warp wood door slabs enough that deadbolts misalign seasonally. Spring and fall storm seasons drive wind-blown rain that corrodes exterior hardware faster than in drier climates. We factor all of that into every Katy job, from rekeying a builder-grade Kwikset to installing a Medeco high-security cylinder on a home office door.
Styles & brands we work with







Our Main Katy Services
Two services generate the most calls from Katy homeowners and drivers: car key problems and time-critical lockouts. Here’s what each looks like in Katy specifically.
Car Key Replacement in Katy
Katy’s car-dependent layout means a lost or broken key strands you fast, whether you’re at a shopping center off I-10 or in a driveway near Katy Mills. We come to the vehicle, cut and program a replacement key or fob on-site, and handle most makes without a dealership tow. Transponder and proximity keys are common on newer Katy vehicles, and we carry programming equipment for those. If you’re locked out of your car or down to one key, see Car Key Replacement in Katy for what the job costs and how quickly we can reach you.

Emergency Locksmith in Katy
A lockout at midnight on a Cinco Ranch cul-de-sac or a broken key in a deadbolt before work needs a response that doesn’t wait for business hours. Emergency lock work in Katy often means storm-damaged hardware, a deadbolt that finally seized after years of humidity, or a garage entry door that won’t secure. We arrive with the tools and cylinder stock to resolve the problem on the spot. For urgent situations, Emergency Locksmith in Katy covers what qualifies as an emergency and how our response works.

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.
Rekey Locks in Katy
Rekeying in Katy is rarely optional; it’s the first security step after closing on a master-planned home where the builder keyed every house in the phase alike. We change the internal pins so old keys stop working and new keys take over, no new hardware required. For a full overview of the service beyond Katy, see Rekey Locks.
Lock Rekey
Signs you need it
A recent move, a lost key you can’t account for, or a key that opens more than one door in your neighborhood.
What it costs in Katy
Standard lock rekeying in Katy typically runs $75 – $160 for the first lock and $20 – $35 per additional lock keyed alike.
How we do it
We disassemble the cylinder, replace the internal pins to match a new key, and test the lock in place before we leave.
Rekey Door Lock
Signs you need it
A door lock that still uses the builder’s keyway weeks after closing, or an entry door that’s been accessed by a contractor, cleaner, or ex-tenant.
What it costs in Katy
Rekeying a single entry door lock in Katy typically runs $75 – $160, including the new keys and labor.
How we do it
We rekey the existing hardware without replacing it, so the door’s finish matches while the old key is permanently disabled.
Keyed Alike
Signs you need it
You carry separate keys for the front door, back door, and garage entry and want one key for all of them.
What it costs in Katy
Keying multiple locks alike in Katy typically runs $20 – $35 per additional lock after the first, depending on cylinder type.
How we do it
We repin each cylinder so a single key operates every designated lock, then verify each one turns smoothly.
What Rekey Locks Costs in Katy
| Item | Typical range in Katy |
|---|---|
| First lock rekeyed | $75 – $160 |
| Each additional lock keyed alike | $20 – $35 |
| Rekey after move-in (3 – 4 locks typical) | $135 – $265 |
How much does it cost to rekey a house in Katy?
Most Katy homes have three to four exterior locks, so a full move-in rekey typically lands between $135 and $265. The exact quote is confirmed on the phone before anyone is dispatched, and that’s the price on the invoice.
Do I need to rekey if I bought new construction in Katy?
Yes, nearly always. Builders in Cinco Ranch and Cross Creek Ranch install the same keyway across entire phases, so your key may open a neighbor’s door. Rekeying on move-in is cheap insurance, and we can usually schedule it the same week you close.
Brands We Service in Katy
We work across the full hardware range Katy homes actually have, from entry-level Kwikset and Schlage to Baldwin and Yale architectural sets, and up to Medeco and Mul-T-Lock high-security cylinders. Parts for all of these are stocked locally, so most standard jobs finish in one visit. See our brands for the full list.
Pricing for Locksmith in Katy, TX
| Service | Typical range in Katy |
|---|---|
| Lock rekey (first lock) | $75 – $160 |
| Each additional lock keyed alike | $20 – $35 |
| Car key replacement (basic non-transponder) | $120 – $250 |
| Car key replacement (transponder/proximity) | $180 – $400 |
| Emergency lockout (residential) | $90 – $180 |
| Deadbolt replacement (standard) | $110 – $220 |
| High-security cylinder (Medeco/Mul-T-Lock) | $180 – $350 |
| Sliding door lock replacement | $95 – $190 |
| Garage entry door rekey | $60 – $110 |
| Rekey after move-in (3 – 4 locks) | $135 – $265 |
Prices in Katy push higher when a lock has seized from humidity corrosion and needs cylinder work beyond a standard rekey, or when a high-security restricted key system is involved. Whatever the number, we quote the full price on the phone before anyone is dispatched, and there’s no call-out surcharge added when we arrive.
Neighborhoods We Serve in Katy
We cover all of Katy, including the master-planned communities and established subdivisions where most of our rekey and lock work happens. Typical response across the Katy area runs under an hour for non-emergency calls when scheduled in advance.
- Cinco Ranch
- Cross Creek Ranch
- Nottingham Country
- Katy Mills area
- Grand Lakes
Service Area – Cities Near Katy
Knight Locksmiths also serves the communities around Katy, including Cinco Ranch, TX, Fulshear, TX, Pecan Grove, TX, and Four Corners, TX. If you’re on the edge of Katy or in a neighboring town, call and we’ll confirm coverage for your specific address.
Serving Katy, TX — Our Local Coverage Area
We’re based in the Katy 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 Katy
Response depends on where you are in Katy and what’s on the schedule, but most non-emergency calls in 77450, 77491, 77492, and 77493 are handled the same day. Emergency lockout response is prioritized. Call (833) 589-8049 and we’ll give you a straight arrival window before we dispatch.
Rekeying or replacing locks inside your home never requires HOA approval or a permit in Katy. Exterior hardware changes are typically fine too, though some Cinco Ranch and Cross Creek Ranch HOAs have guidelines on visible door hardware finishes. We’ll match your existing finish so it’s a non-issue.
Yes, and we recommend it. Builder-keyed homes in Katy subdivisions often share keyways with neighboring houses, so the first week after closing is the right time to rekey. We schedule move-in rekeys in advance and can usually complete all exterior locks in one visit.
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 Katy Customers Say
"Commercial job, panic bar and a master key system for a small office. Clean install and clear documentation of which key opens what."
— Miguel Castillo"Rekeyed every lock in the house the day after we closed. Six doors, all matched to one key, done in about ninety minutes."
— Gilbert Ramirez"Does good work. Card payment was a bit of a production, so have another option handy."
— Bryce Hoffman