House lockouts
Re-keying
Deadbolt upgrades
Smart locks
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 Ontario
If you’ve lost your car key or have one that won’t turn in the ignition, you need a locksmith who can get to you quickly and fix it right the first time. Our Car Key Replacement team covers all of Ontario, including the older central tracts off the 10, the newer subdivisions east of Archibald, and the warehouse districts near the airport. We cut and program transponder keys, handle non-destructive lockouts, and service the lock cylinders themselves, not just the key. Call (855) 791-2710 and you’ll get a real person who can quote the job before anyone rolls a truck.
Ontario’s inland heat and wind do things to locks that coastal locksmiths rarely see. We’ll get into that below, but the short version is this: a key that suddenly stops turning is often a door alignment issue, not a failed lock. Knowing the difference saves Ontario drivers and homeowners real money.
Why Glendale Lock & Key Is Ontario’s Preferred Car Key Replacement Company
We work on the lock you already have. That’s the first thing that sets us apart in Ontario. A lot of locksmiths will look at an older door with a sticking deadbolt, see a heat-warped jamb, and sell you a whole new lockset. We’d rather adjust the strike, rekey the cylinder, and leave your existing hardware doing its job. That’s the technician’s approach, and it’s how we’ve built our reputation across the Inland Empire.
Noel Tarkanian runs our shop, and he’s trained our techs to work across eight lock brands: Schlage, Kwikset in Ontario, Medeco, Yale, Baldwin, Mul-T-Lock, Sargent, and Abloy. That matters in Ontario specifically because the housing stock spans everything from 1950s bungalows with original mortise hardware to brand-new eastside infill with builder-grade keyways. One truck, one tech, no “we don’t do that” calls back to the office.
Ontario drivers also benefit from something unusual: we’re a full-spectrum automotive and residential shop. That combined skill set means we can cut a transponder key for your car, then walk to your front door and rekey the deadbolt the same visit. Most residential locksmiths won’t touch automotive transponders. We do both every day.
When you search Car Key Replacement in Ontario, you’ll find plenty of national call centers that dispatch whoever’s closest. We’re not that. We know the 91762 side streets, the older pockets around Euclid, and the warehouse corridors near Milliken. That local knowledge is what gets your car open without damaging the door or the trim.
Styles & brands we work with







Our Car Key Replacement Services in Ontario
Car Key Replacement and Transponder Programming
Losing a car key in Ontario isn’t a rare event. It happens in the parking lots off the 10, in driveways along Grove, and in the employee lots at the distribution centers. We cut traditional metal keys and program modern transponder and chip keys for most makes and models. The transponder work requires diagnostic equipment, not just a key machine, and our techs carry it on every truck. We’ll cut, program, and test the key before we leave your location.
If you have one working key, you should get a spare made now. Programming from one existing key is cheaper than originating a new key from scratch when you’ve lost them all. And in Ontario’s summer heat, the last place you want to be is a hot parking lot with a dead key fob.

Non-Destructive Entry for Locked-Out Vehicles
Locked your keys in the car at Ontario Mills? We’ve been there, literally. Our non-destructive entry methods use air wedges and long-reach tools, not slim jims that shred weatherstripping and bend door frames. That’s important on newer vehicles with side airbags and tighter door tolerances. We open the door, hand you your keys, and you’re back on the road with no damage to the paint or the interior trim.
We’ll also verify that the lock cylinder still works smoothly after entry. Sometimes a lockout is the first sign that the cylinder is starting to fail, especially on older vehicles that have been parked outside in Ontario sun for years.

Rekey and Lock Cylinder Service for Older Door Hardware
Ontario’s older homes, the post-war tracts in 91761 and 91762, still have a lot of original mortise and rim cylinders on their doors. Those locks were built to last, but the keyways were cut for keys that may have been copied a dozen times over sixty years. We rekey those cylinders to new keys, clean and lubricate the internals, and adjust the strike plates so the bolt throws cleanly. If the cylinder is genuinely worn past rekeying, we’ll tell you honestly and quote a replacement. We won’t sell a new lock to fix a door that needs adjusting.

Ignition Cylinder Diagnosis and Key Extraction
A key that turns halfway in the ignition, or a key that’s snapped off inside the cylinder, is a different animal. Sometimes it’s a worn key that needs to be cut fresh from the code. Sometimes the ignition cylinder itself has worn wafer tumblers from years of use. We diagnose the actual failure before recommending a repair. In Ontario’s older vehicle stock, especially trucks that sit in sun-baked driveways, ignition wear shows up as stiff turning or intermittent starting. We’ll tell you whether a fresh key fixes it or whether the cylinder needs work.

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.
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You approve before work beginsNothing starts until you say go.
Trusted Brands We Service in Ontario
We’re factory-familiar with Schlage, Kwikset, Medeco, and Yale, and we stock key blanks and common parts for those brands on every truck. That means when we rekey a deadbolt on an Ontario rental unit, we’re not installing a cheap knockoff cylinder to make a key work. We use correct OEM and spec-grade blanks, cut on calibrated machines. When a Medeco or Schlage high-security keyway is involved, we have the proper equipment and authorization to originate new keys. That’s the difference between a locksmith who can cut your key and one who can actually service the hardware it turns.
Common Car Key Replacement Problems We See in Ontario Homes
- Heat-warped wood doors in the older 91761/91762 tracts. Original slab doors from the 1950s and 60s dry out in Ontario’s summer heat. The door itself moves, the bolt no longer lines up with the strike, and a perfectly good key suddenly feels broken. We see this every week from June through October. It’s usually fixed by adjusting the strike and the hinge, not replacing the lock.
- Sun-baked exterior lock finishes and weatherstripping. West-facing doors on Ontario homes get direct afternoon sun year-round. Lock finishes oxidize, weatherstripping cracks, and the deadbolt throw gets tight. We clean, lubricate, and adjust when possible. When the finish is shot and the internal springs are failing, we’ll quote a replacement honestly.
- Builder-grade entry locksets on eastside 91764 subdivisions wear out early. The newer tract homes and apartments east of Archibald often came with entry locksets that were meant to last a decade, not thirty years. Keyways strip, the latch binds, and tenants start forcing the key. Before you replace the whole unit, let us look at it. A rekey with new pins and springs often restores it to clean operation for far less than a new lockset.
- Ignition and door lock cylinder wear on vehicles parked outdoors. Ontario’s dry heat and dust are hard on vehicle lock cylinders. Wafer tumblers wear, dust gets into the keyway, and the key starts to stick or fail to turn. A fresh key cut from the code helps sometimes. A cylinder rebuild fixes it for good. We’ll diagnose which one you need.
Pricing for Car Key Replacement in Ontario, CA
A basic non-chip car key replacement in Ontario typically runs $75 to $150, cut and programmed on site. Transponder keys, which most vehicles made after 2000 require, usually run $180 to $350 depending on the make, model, and whether we’re programming from an existing key or originating a new one. High-security or proximity fob keys can run higher, $250 to $450 on common makes. Rekeying a standard door lock cylinder in Ontario, labor and pins included, typically runs $85 to $155 per lock. Mortise cylinders on older Ontario homes run slightly higher due to the disassembly involved.
Here’s what affects your price: the year and make of the vehicle, whether you have a working key to duplicate from, and whether we’re coming to you or you’re bringing the lock to us. We quote the full price on the phone before anyone is dispatched, and that price is the price on the invoice. There’s no call-out surcharge added when we arrive. Call (855) 791-2710 for a free estimate, and we’ll give you the real number before you commit.
We Also Serve Cities Near Ontario
Our Ontario customers often have rental properties or family in the neighboring cities, so our trucks are out that way every week. We cover Montclair, Upland, Chino, and San Antonio Heights with the same flat pricing and same-day response. If you’re in Ontario and need a key cut or a lock fixed, call us and we’ll get it handled.
Serving Ontario, CA — Our Local Coverage Area
We’re based in the Ontario 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 Ontario
More often than you’d expect in Ontario, it’s the door. The inland heat and Santa Ana wind season dry and warp original wood doors and jambs across the older 91761/91762 tracts, which shifts the latch so a perfectly good key binds. We’ll inspect the alignment before we touch the cylinder. If the door is the problem, adjusting the strike plate fixes it. If the cylinder is genuinely worn, we’ll rekey or replace it. Call (855) 791-2710 and we’ll diagnose it on site.
Yes, in most cases. Mortise locks from the 1950s and 60s, common in central Ontario homes, are rebuildable units with real brass internals. We rekey the cylinder, clean the body, lubricate the moving parts, and adjust the strike so the bolt throws cleanly. There are cases where the lock body is so worn that rekeying won’t restore smooth operation. We’ll tell you honestly if you’re in that situation, and we’ll quote a replacement before doing any work. Call us for an honest assessment.
Yes. We cut and program transponder keys and chip keys for most makes and models, including the trucks and fleet vehicles common around Ontario’s warehouse and logistics corridors. We carry the diagnostic equipment on our trucks, so we can program at your location, not just in a shop. Call (855) 791-2710 with your vehicle’s year, make, and model for a firm quote.
Rekeying changes the pins inside the existing cylinder so it works with a new key. Replacing swaps the entire cylinder for a new one. Rekeying costs less and keeps your existing hardware. Replacement makes sense when the cylinder is physically worn out, damaged, or you want to upgrade to a higher-security keyway. In Ontario’s older homes, we rekey whenever the cylinder has life left in it. That’s the judgment call a good locksmith makes, and we’ll walk you through it.
Yes. The eastside 91764 subdivisions and infill apartments typically have standard builder keyways that we can master-key so you have one key for all your units and each tenant has their own individual key. It works on Kwikset, Schlage, and Yale cylinders, and we can set it up on existing hardware without replacing locks. Call (855) 791-2710 for a per-lock quote on your Ontario property.
Written by Noel Tarkanian, Owner at Glendale Lock & Key, serving Ontario since day one.