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 Ontario
Car key replacement in Ontario typically runs $185 – $385 for a standard transponder key, and most jobs are done within 60 – 90 minutes of our tech arriving. We cover every corner of Ontario, from the warehouse districts south of the 10 to the quiet bungalow blocks near Euclid and Holt. If you’ve lost your key, snapped it in the ignition, or need a spare before your teenager takes the car to Ontario Mills, call (877) 358-5506 and we’ll quote the full price before anyone rolls a truck. No call-out surcharge added when we show up.
Ontario presents a specific set of challenges for car key work. This is an Inland Empire logistics hub with thousands of vehicles moving through daily, and the local housing stock swings between 1920s mortise-lock bungalows downtown and newer gated apartment communities up north. We’ve built our business around knowing both, so the tech who arrives in Ontario already understands what kind of door, keyway, or gate system you’re dealing with before they step out of the van.
Why True Blue Locksmith Is Ontario’s Preferred Car Key Replacement Company
We’re not the cheapest option in Ontario, and we don’t try to be. What we are is honest. When a customer on Vineyard Avenue needed a transponder key for a 2016 Ford F-150 at 9pm on a Sunday, we quoted $265 on the phone and that’s exactly what appeared on the invoice. No “shop fees,” no inflated parts markup, no bait-and-switch. That’s the True Blue name: it’s a commitment, not a slogan.
Our Car Key Replacement team handles everything from basic metal keys to push-to-start fobs and smart key programming. We carry OEM and aftermarket blanks for Honda, Toyota, Ford, Chevrolet, Nissan, Hyundai, Kia, and a dozen other makes, so we’re not running back to a supplier mid-job in Ontario traffic. For high-security work, we’re certified on Medeco, Mul-T-Lock, Abloy, and Sargent hardware. That matters when you’re dealing with a car parked inside a gated Ontario complex that uses restricted keyways: one phone call covers both the car and the gate key.
Noel Carrasco, our owner, has built the company around one rule: quote the real price, show up when promised, and fix the problem without drama. That’s why Ontario drivers keep our number saved. If you’re in 91762 or 91764 and your key just broke off in the door, call (877) 358-5506. We’ll tell you straight what it costs.
Styles & brands we work with
Our Car Key Replacement Services in Ontario
Transponder Key Cutting and Programming
Most cars built after 1998 in Ontario need a transponder chip, not just a cut key. We cut and program these on-site. On a recent call on Euclid Avenue, a resident had a 2004 Honda Civic with a transponder key so worn it was sticking in the ignition. The car sat in a narrow driveway beside a 1940s bungalow with an original mortise lock on the front door. We performed non-destructive car entry, cut and programmed a new transponder key right there, and never touched the house’s vintage hardware. No drilling, no damage to the solid wood door.
Smart Key and Push-to-Start Fob Replacement
Push-to-start vehicles are everywhere in Ontario now, especially in the newer subdivisions off Milliken and Archibald. We program smart keys and proximity fobs for most Asian and domestic brands. If your fob died and you’re stranded in the Ontario Mills lot, we’ll get you going. We also diagnose whether it’s actually the fob or a dead car battery before selling you a $300 key you didn’t need.
Ignition Cylinder Repair and Rekey
Ontario’s hot, dry climate and Santa Ana winds pack fine grit into ignition cylinders, especially for cars parked on downtown streets near Holt Boulevard. That grit seizes the tumblers. A key starts sticking, then stops turning. We clean, lubricate, and rebuild ignition cylinders, or rekey them to a fresh key if the cylinder is too far gone. We’ll tell you which one it is before doing any work.
Non-Destructive Car Door Unlock
Locked your keys in the car at the airport lots off Haven Avenue? We open doors without prying, drilling, or damaging paint. The same goes for cars parked in gated communities where the last thing you need is a damaged door and a property manager asking questions. Our preference is always non-destructive entry first, and we’ve got the tools and training to do it on vehicles from late-model imports to older domestic trucks.
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 work on a broad range of hardware because Ontario demands it. In a single day we might cut a Kwikset house key for a homeowner in a 1990s tract home north of the 10, then program a high-security Medeco restricted key for a commercial tenant in an industrial park off Vineyard. Yale and Baldwin hardware shows up in older Ontario homes and commercial storefronts alike. Because we carry blanks and programming equipment for all of these, we don’t have to order parts and come back another day. Your car key and your building key can be handled by the same tech, in the same visit.
Common Car Key Replacement Problems We See in Ontario Homes
- Dust-clogged ignitions on downtown streets. Ontario’s Santa Ana winds push fine dust and grit into everything, including your car’s ignition cylinder. A key starts sticking, and people assume the key is bent or worn. Often it’s the grit packing the tumblers. We clean and re-lubricate before cutting you a new key you may not need.
- Restricted key conflicts in gated apartments. Many Ontario apartment complexes, especially near Ontario Mills, use restricted keyways for common-area gates and doors. A copied key from a kiosk fails because the blank isn’t restricted. You end up locked out of both your car and your building. We can cut and program car keys and coordinate with your property manager for the building key.
- Misdiagnosed transponder wear near Euclid and Holt. Older cars with high mileage often have worn transponder keys. A quick-and-dirty locksmith might claim the lock cylinder failed and quote you $600 to replace it. We test the key signal first. Half the time it’s a worn chip, not a failed cylinder, and the fix is a $200 key, not a $600 part.
- Antique mortise lock complications. Homes from the 1920s – 1950s near downtown Ontario have original mortise locks with bit keys. You can’t rekey those to match a modern car key. We handle the car side without drilling into the house door, respecting hardware that’s survived 70+ Ontario summers.
Pricing for Car Key Replacement in Ontario, CA
Here’s what you should expect to pay in Ontario:
- Basic metal key (non-transponder): $35 – $75
- Transponder key (cut and programmed): $165 – $285
- Smart key / push-to-start fob: $225 – $420
- Ignition cylinder rebuild or rekey: $140 – $260 (plus key cost if needed)
- Car door unlock (non-destructive): $85 – $160
These ranges reflect Ontario’s market as of early 2026. What changes the price is the vehicle year, make, model, and whether the key has a chip. We quote the full price on the phone before anyone drives out. That’s the number on your invoice. No surcharge for coming to you, no “dealer programming fee” tacked on at the end. Call (877) 358-5506 for a free estimate.
One thing Ontario drivers should know: dealerships here charge double and often tow the car to their lot, leaving you stranded for a day. We come to you, whether you’re at a warehouse off the 10, a bungalow off Euclid, or a gated complex in the northern subdivisions. The price we quote is the price you pay.
We Also Serve Cities Near Ontario
Our customers in Ontario often refer us to friends and family in surrounding Inland Empire cities. We regularly handle Car Key Replacement in Ontario as well as work in Montclair, Upland, Chino, and San Antonio Heights. Same pricing, same no-surprise policy, same tech dispatched from our local service area. If you’re one town over and need a key cut or a lockout resolved, the number is the same: (877) 358-5506.
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
Yes. The car key is one problem, the gate key is another, and we solve both. Many Ontario complexes south of the 10 use restricted keyways for common-area gates, which means a kiosk-copied key won’t work in the building entrance. We cut and program your car key on-site, and if your property manager authorizes it, we can cut the restricted gate key too. Bring us the authorization and we’ll handle it in the same visit.
In Ontario, it’s usually the lock cylinder packed with dust from the Santa Ana winds, not the key itself. We test the key’s transponder signal first. If the chip reads clean, the issue is grit in the tumblers, and we’ll clean and re-lubricate the cylinder before recommending a new key. If the key is genuinely worn, we cut and program a replacement on-site. Call (877) 358-5506 for an honest diagnosis.
Yes. We program push-to-start smart keys and proximity fobs for most makes and models, and we carry aftermarket options alongside OEM for Ontario drivers who don’t want dealer pricing. If you’ve got a keypad-equipped vehicle like certain Ford models, we can program the keypad code as part of the replacement. The work happens at your location, not at a dealer service bay.
The biggest risk is getting locked out. Many Ontario apartment buildings, particularly newer gated communities near Ontario Mills, use restricted key blanks that standard key kiosks can’t legally duplicate. The copy looks right but fails in the lock. If it breaks off in a common-area door, you’re dealing with building management and a bill for a lock repair. We cut restricted keys only with property manager authorization, which protects you and the building.
Yes, and we’re careful about it. Ontario’s older blocks near Euclid and Holt have homes with original mortise locks and solid wood doors, and we don’t drill into those. For the car itself, non-destructive entry is our default method on every lockout. We use specialized tools to open doors without prying or drilling, and we handle ignitions with the same restraint. The vintage house door stays untouched, the car gets back on the road.
If you need a car key replaced in Ontario right now, call (877) 358-5506. We’ll tell you the price before we move a truck.
Written by Noel Carrasco, Owner at True Blue Locksmith, serving Ontario and the Inland Empire with honest car key replacement and full-spectrum locksmith work.