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 estimateFast, Reliable Car Key Replacement Across Fulshear
Car key replacement in Fulshear typically runs $145 – $320 depending on the key type, and we can usually be at your driveway within 45 minutes. If you’re standing next to a locked car on FM 1093 or in a Cross Creek Ranch cul-de-sac with a dead fob, you need a working key now, not a tow truck headed to a Katy dealership. Knight Locksmiths cuts and programs transponder keys, proximity fobs, and standard keys on the spot across all of 77441. Call (833) 589-8049 and we’ll quote the full price before anyone leaves the shop.
Fulshear has a specific key problem that only a local tech understands, and it catches almost every new homeowner by surprise. This area grew fast. The homes are new, the garages are new, and the locks are almost entirely builder-grade Kwikset and Weiser hardware that every subcontractor’s key can still open until the day you re-key. The same logic applies to your vehicle keys. If your house key and your car key share a ring, and one of them is compromised, you’ve potentially exposed both. We handle the whole picture. More on that below.
You want someone who knows the streets, the builders’ habits, and the heat-and-humidity wear that makes a July lock stick. That’s what we bring to Fulshear. Read on or call now: (833) 589-8049. The quote we give over the phone is the price on the invoice. No add-on arrival fees.
Why Knight Locksmiths Is Fulshear’s Preferred Car Key Replacement Company
Fulshear residents started calling us for one reason: a builder’s key that still worked when it shouldn’t. Word travels fast in master-planned communities. When a family in Fulbrook closed on their house, they found the deadbolt turned with the old trade key that had been on the builder’s keyring for a year. We re-keyed the cylinder that afternoon and cut a fresh transponder key for their SUV in the same visit. That’s the kind of local call that built our reputation here.
Our team works with eight lock manufacturers spanning entry-level residential (Kwikset, Schlage) through certified high-security grades (Medeco, Mul-T-Lock, Abloy). That range matters in Fulshear, where almost every front door starts with a Kwikset from the builder, but homeowners are increasingly upgrading to smart locks and restricted-key hardware. We can program a replacement car key, re-key the front door to a new Kwikset pin, and advise on whether your next fob should be a cloned chip or a factory-style programmed unit. You don’t need three vendors. You need one Car Key Replacement team that understands how house keys and car keys live on the same ring.
Glen Pickett leads this shop. He’s the person Fulshear homeowners talk to when a key situation gets complicated. No call center. No dispatcher guessing at your location. When you call about a locked SUV off Cross Creek Bend Lane, the person on the phone knows where that is and how fast we can get there. That’s not a generic staffing model. It’s a local trades operation that answers its own phone.
We’re insured and bonded, and our techs arrive in marked vehicles. The work is done at your driveway, your garage, or your front walk. We’re not asking you to come to a storefront across town. Fulshear is our territory, not a detour.
Styles & brands we work with







Our Car Key Replacement Services in Fulshear
The key you need depends on the car, the year, and what happened to the original. Here’s what we handle most days across Fulshear’s newer neighborhoods, from Cross Creek Ranch to Weston Lakes’ edge.
Rekey After Builder Handover
This is the Fulshear bread-and-butter call. On a closing-week call in Cross Creek Ranch, a family discovered the builder’s master key still turned the deadbolt on their new front door. Our tech re-keyed the existing Kwikset cylinder to a fresh pin and tumbler set the same afternoon. Because the house had never been re-keyed since handover, we cut and programmed a replacement transponder key for their SUV while the new front-door keys were being made, so the whole family left with one working set.
Your car key rides the same keyring as your house key. If the house key is a builder master that every trade has a copy of, your car key is one same-ring compromise away. Re-keying the day you close, or the week after, is the cheapest security upgrade you’ll make. We can do the front door, the back door, and the garage side door in one visit, then cut and program your spare car key before we pack up.

Transponder Key Programming
Most cars built after 2000 in Fulshear driveways, from the F-150s on FM 359 to the Tahoes lining Cross Creek Ranch, need a transponder chip, not just a cut metal key. We program transponder keys at your location. No dealership appointment, no tow to Katy. If you have one working key, we can clone the chip. If you’ve lost all keys, we pull the codes and program fresh ones on-site.
Gulf Coast heat and humidity don’t just affect your door locks. A transponder chip that sits in a hot center console or gloves box can suffer intermittent failures, especially in July. We diagnose whether the key is the problem or the ignition antenna ring has failed. Both are fixable at your driveway.

Smart Lock and Keypad Entry Setup
New Fulshear builds often come with a smart-lock deadbolt or a garage keypad tied to the builder’s Wi-Fi setup. Too often, the hardware was installed with default admin codes or a factory reset state that the buyer never changed. We set up smart locks and keypads correctly, remove builder codes, and ensure your entry system syncs with your existing setup, not just the app the builder left behind. The same visit can include cutting and programming a backup physical key for that lock. Because smart locks fail, and when they do, you need a physical key that works.

Lost Key and Lockout Assistance
A lost car key in Fulshear is a different problem than in an older city. Newer cars with push-button start need key programming, not just a door unlock. We handle it. If you’re locked out off Bois D’Arc Lane or stuck at the H-E-B on FM 1093, we get to you, open the door, and cut or program a replacement on the spot. Emergency response is a defined service for us, not a half-hour hold on a call-center line.

What happens when you call
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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 Fulshear
We stock and service key and lock hardware from the brands you actually have in Fulshear homes: Schlage, Kwikset, Medeco, and Yale. That means we cut and program aftermarket transponder chips built for your vehicle’s key type, and we have the pin kits, blanks, and cylinders on the truck to replace or re-key your entry hardware the same day. The last thing a Fulshear homeowner needs is to wait a week on a special-order part. We carry the Kwikset and Schlage cylinders that builders install here, plus the Medeco and Yale options for homeowners upgrading to a high-security or smart-lock entry. Glen Pickett built this inventory discipline on purpose: show up with the common parts, and don’t make the customer wait.
Common Car Key Replacement Problems We See in Fulshear Homes
Every market has its signature failures. These are ours, based on the calls we answer in 77441:
- The builder’s key that never died. Buyers assume the builder’s key stopped working at closing. Until the cylinder is re-keyed, the trade master still opens the door. And the spare car key often rides the same keyring. One lost builder keyring and your car key is on a stranger’s fob.
- Summer humidity makes a July key bind. Builder-grade deadbolts and entry sets in new Fulshear homes loosen and misalign through Gulf Coast humidity swings. A freshly cut car key that worked in January can bind in the ignition or door cylinder in July, especially if the keyring also carries a house key that’s seen garage heat and rain.
- Smart-lock retrofits that don’t match builder wiring. Smart-lock and keypad entry retrofits on newer builds frequently fail because the existing builder wiring and strike plate shifts don’t match the new hardware. The door jams. The car key gets stranded inside the house. We fix the alignment and the programming together.
- The unsecured garage key schedule. Newest-construction garages and gates often still run on the trade master key schedule. That leaves a car key copy inside the garage unsecured until the owner re-keys the whole key control setup. Your car key inside your garage is only as safe as the garage access key.
Pricing for Car Key Replacement in Fulshear, TX
A standard transponder key replacement in Fulshear typically runs $145 – $210. A proximity fob or push-button-start key runs $210 – $320. Re-keying a front door to a new Kwikset or Schlage cylinder costs $75 – $130. A builder handover re-key of two to three entry doors plus a deadbolt falls in the $150 – $260 range. Smart-lock or keypad setup, including code removal and pairing, is $95 – $180. These are honest Fulshear ranges, quoted on the phone before we dispatch. We don’t advertise a teaser number and add fees on the driveway. The price we quote is the price on the invoice.
Want the exact number for your car and your door hardware? Call (833) 589-8049 and describe what you need. We’ll give you a fixed quote in under five minutes.
We Also Serve Cities Near Fulshear
Our team covers more than 77441. We run regular call routes through Weston Lakes, Katy, Cinco Ranch, and Pecan Grove, which means a Fulshear call doesn’t sit waiting on a Houston-based dispatch board. If you’re checking whether we’re the right fit for your area, read more about why Fulshear homeowners call us first for key replacement, or call directly: (833) 589-8049.
Serving Fulshear, TX — Our Local Coverage Area
We’re based in the Fulshear 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 – Car Key Replacement in Fulshear
Yes, if the builder handed you a keyring and you haven’t re-keyed, the builder’s master key likely still opens your front door. That master key has been on every subcontractor’s keyring for months. Re-key the lock cylinders the day of closing or the week after. Your car key rides the same keyring as your house key, so clearing the house side protects the car side too. Call (833) 589-8049 for a fixed price on a builder handover re-key.
It’s usually both. Fulshear’s Gulf Coast humidity and summer heat swell door frames and shift strike plates, so a deadbolt that works in winter binds in July. Builder-grade Kwikset hardware is also more prone to pin wear than a Schlage or Medeco upgrade. We’ll tell you whether a simple re-key and realignment fixes it or if you’re better off replacing the cylinder. Estimates are free.
Yes. We carry mobile transponder programming equipment and cut vehicle keys at your location across Fulshear, including Cross Creek Ranch, Fulbrook, and the FM 1093 corridor. For most cars built after 2000, we can clone a working chip or program fresh keys when all are lost. The job usually takes 20 to 45 minutes at your home. Call (833) 589-8049 to confirm your car’s key type and get a quote.
Most of the time, yes, but the builder install often needs correction. We remove default and former trade codes, verify the strike plate alignment hasn’t shifted from humidity, and pair the smart lock with your existing app or hub. If the builder wiring is incompatible or damaged, we’ll tell you what replacement hardware will work rather than forcing a match. The goal is one working entry system, not a Wi-Fi door that fails the first storm season.
No. Re-keying an existing Kwikset or Schlage cylinder in Fulshear typically costs $75 – $130 per lock, while replacing the entire entry set runs $180 – $400 for decent residential hardware. If the builder installed a perfectly functional cylinder, re-keying is smarter. If the hardware is loose, corroded, or you want a keypad or Medeco upgrade, replacement may be the right call. We’ll tell you which one you actually need, and the phone quote covers either path.
Written by Glen Pickett, Owner at Knight Locksmiths, serving Fulshear and surrounding communities.