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.
Fast, Reliable Residential Locksmith Across Ontario
Locked out on a Tuesday night near Ontario Mills, or standing in a 1970s ranch house off Euclid Avenue with a key that turns but won’t open the door? We handle both, usually within 45 to 60 minutes of your call. Preston Locksmith & Security has served Ontario homeowners since 2008, and we know the lock hardware this city was built with. The price gets written down before anyone gets in a truck. No bait pricing, no surprise line items on the invoice. Call (409) 405-4485 and a live person answers. Then a background-checked, uniformed technician shows up with a live arrival time you can track on your phone.
Key Takeaways
- A standard Residential Locksmith visit in Ontario typically runs $85 to $250 depending on the job, with lock rekeying from $75 to $120 for the first cylinder.
- Most Ontario calls are answered in under 30 seconds and techs typically arrive within 45 to 60 minutes.
- The 365-Day Done Right Promise covers every repair in writing. If it fails, the second visit is free.
- Your phone quote is the price on the invoice. Always. It’s written before dispatch, and we honor it on the doorstep.
- We service original Schlage, Kwikset, Medeco, and Yale hardware found in Ontario’s 1950s to 1980s housing stock without pushing a full replacement when a rekey does the job.
Why Preston Locksmith & Security Is Ontario’s Preferred Residential Locksmith Company
Ontario homeowners call us for the same reasons they recommend us to neighbors in the Creekside and North Ontario tracts: we show up when we say we will, the price quoted on the phone is the price on the invoice, and the tech at your door is the same background-checked professional in the Preston uniform you saw in the booking photo. Kevin Yoon leads the Preston team, and he holds every job in Ontario to the same standard: written price before work starts, before-and-after photos of the work, and a written guarantee on every repair.
Scheduling for Ontario is coordinated from our Inland Empire office, so we are not a call center in another state routing your emergency to a random subcontractor. When you call (409) 405-4485 about a deadbolt on a house near Eastvale Gateway, the person who answers knows the streets and knows what a retrofit rekey on a 1960s Kwikset knobset actually involves. We do not drill a lock that a competent pick or bypass can open. We do not pad a Ontario Rekey Locks quote because a cylinder is worn. We tell you the real price for your door, and we honor it.
The Relay Visibility Guarantee is on every job we run in Ontario: a written price before a single tool comes out, a live trackable arrival time, before-and-after photos so you can see exactly what was done, and a digital invoice with a pay link. If a repair fails within 365 days, we come back and fix it. No charge, no argument.
Locksmith Key Replacement in Ontario
Locksmith Key Replacement in Ontario usually comes down to one of two situations: your keys are lost or stolen and you want new keys that render the old ones useless, or your existing key is so worn that it no longer reliably turns the cylinder. In older Ontario homes north of the 60 Freeway, we see the second one constantly. Original keys cut in the 1970s and 1980s, carried daily for forty years, are often so rounded that they bind inside a pin and tumbler cylinder. Rekeying the cylinder with fresh pins and cutting new keys typically runs $75 to $120 for the first lock in Ontario, written price confirmed before we start.
If the cylinder itself is damaged beyond rekeying, replacing the cylinder while keeping your existing hardware runs $95 to $160 per lock. Replacing the whole knobset or deadbolt starts around $140 installed, depending on the finish and grade you choose. We will tell you which one your door actually needs. We will not upcharge you for a replacement when a rekey is the right fix.
Rekey vs. Replacement: What Your Ontario Door Actually Needs
If your lock still turns smoothly and the only concern is that someone else might have a key, rekeying is the right call. We swap the internal pins so the old key stops working, cut new keys, and you keep your existing hardware. No new holes in the door, no mismatched finishes.
If the bolt is loose in the strike plate, the cylinder wobbles, or the key sticks even after lubrication, replacement starts making more sense. Many Ontario ranch homes still have original builder-grade hardware that has simply worn past the point where Door Lock Repair in Ontario with new pins will hold. We stock Schlage and Kwikset hardware on the truck, so a replacement on a standard pre-bored door usually happens in one visit, not two.
Lost Keys and New-Home Rekeys
When a Ontario home changes hands, we recommend a full rekey on day one. You do not know how many copies of the old key were floating around between the previous owner, their contractor, a pet sitter, or a housekeeper. Rekeying all exterior locks to one new key runs $75 to $120 for the first cylinder and $25 to $35 for each additional cylinder. It is the cheapest insurance you can buy for a house you just closed on.
Smart Lock Installation in Ontario
Smart Lock Installation in Ontario means swapping a standard deadbolt for a keypad, Bluetooth, or Wi-Fi-connected lock. The most common installs we do in Ontario are Schlage in Ontario Encode and Kwikset Halo deadbolts on front doors, plus keypad deadbolts on garage entry doors and side gates in and around campus-area housing near Euclid Avenue. Installation typically runs $125 to $225 per lock, depending on the lock itself and whether the existing door prep needs adjustment. That includes drilling the bore larger if the older door was drilled for a smaller cylinder, aligning the strike plate, and programming the new lock with you before we leave.
Older Ontario doors often need a little more than a straight swap. A 1960s door with a slightly misaligned bore will chew through a smart lock’s motorized bolt in months. We check the strike plate alignment, shim it if needed, and test the smart lock through several lock/unlock cycles with the manual key and the keypad before we call the job done.
Wi-Fi Locks vs. Keypad Locks
A Wi-Fi smart lock lets you lock and unlock from your phone and set temporary codes for guests or house cleaners. It needs a solid signal at the door and usually connects through a hub or bridge. If the router is on the other side of a 1970s concrete block wall in an Ontario ranch, signal can get spotty. We test connectivity during the install rather than installing the lock and waving goodbye.
A keypad deadbolt without Wi-Fi is often the better choice for a garage entry or side gate. No app, no bridge, no firmware updates. You set codes at the keypad and change them whenever you want. It is less expensive and there is less to go wrong. We install both, and we will tell you honestly which suits your door.
Trusted Brands We Service in Ontario
We work on the hardware Ontario homes were actually built with, and the upgrades homeowners are installing now. Our techs are trained on Schlage and Kwikset residential lines, including the Schlage B60 deadbolt and Kwikset SmartKey cylinders, plus Medeco high-security deadbolts and Yale keypad and smart lock systems. The truck carries common cylinders, tailpieces, strikes, and bypass tools for these brands, so most repairs and replacements happen on the first visit instead of you waiting a week for a part. If you have an original Schlage knobset from 1962 or a Medeco deadbolt on a home office, we know how it works and have the parts to service it.
Common Residential Locksmith Problems We See in Ontario Homes
- Original builder hardware that has never been rekeyed. Ontario tracts built between the 1950s and 1980s still have thousands of original Kwikset and Schlage knobsets. Most were keyed alike or master-keyed at the time of construction, and a surprising number of neighbors can still open each other’s doors. A rekey fixes it in about 20 minutes per lock.
- Worn mortise lock bodies on older ranch homes. Houses near Euclid Avenue and the older grid streets often have mortise locksets rather than modern bored cylindrical locks. The internal springs wear out, the cam falls out of time, and the key spins without engaging. Repair is usually possible, and we carry replacement mortise bodies for common brands.
- Heat-warped doors and misaligned strike plates. Ontario summers hit triple digits regularly, and wood doors expand. A deadbolt that aligned fine in March can bind and jam in August. We route the strike plate pocket deeper and realign the plate so the deadbolt throws without forcing.
- Smart locks installed by someone who never checked the bore. A Wi-Fi deadbolt on a 1975 door with a slightly oversized bore will wobble, misfeed, and eat batteries. We have seen many in Ontario where the motor still works but the bolt binds against a strike plate that was never adjusted. We fix the install and align the plate.
Pricing for Residential Locksmith in Ontario, CA
Here is what to expect in Ontario, written plainly. A residential lockout resolved without drilling typically runs $85 to $150, including a service call and non-destructive entry. Rekeying a standard pin and tumbler cylinder runs $75 to $120 for the first lock and $25 to $35 per additional cylinder. Smart lock installation runs $125 to $225 per lock depending on hardware and door prep. Replacing a deadbolt or knobset with a new hardware piece runs $140 to $260 installed. On older Ontario mortise locks, repair runs $120 to $195 if parts are available, and we will tell you on the phone if a replacement is the more honest option. Every job includes the written price before dispatch and the written 365-Day Done Right Promise. There is no call-out surcharge added on arrival. The quote we give on the phone is the figure on the invoice.
We Also Serve Cities Near Ontario
While this page is focused on Residential Locksmith in Ontario, our crews also run calls in Montclair, Claremont, Upland, and Rancho Cucamonga. If you live just over the city line and need a deadbolt replaced or a rekey after closing escrow, call (409) 405-4485 and we will let you know honestly whether we can get to you quickly. Most nearby jobs fall inside our normal 45 to 60 minute response window.
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 About Residential Locksmith in Ontario
No. It is common, but it is not normal and it is not honest. A real price is a price written down before anyone is dispatched, based on what you describe over the phone. At Preston, the price we quote before dispatch is the price on the invoice. We do not add a call-out fee on the doorstep, and we do not inflate a rekey because a cylinder is worn. If a tech arrives and finds something we could not see on the phone, we stop and explain it with a new written price before any additional work starts. Call (409) 405-4485 for a straight quote on your lock.
In most cases, yes. If the lock still turns smoothly and the cylinder is not cracked or wallowed out, we can repin the original cylinder to a new key. This is the most common job we do in Ontario’s 1950s to 1980s housing stock, and it runs $75 to $120 for the first lock. If the original hardware is so worn that new pins will not hold reliably, we will show you the slop in the cylinder and quote a replacement before doing anything. You decide what happens next.
It can be. A sticking key usually means the key is worn, the cylinder pins are worn, or both. If you force it, you risk snapping the key off in the cylinder or jamming the lock in a position where it will not turn at all. In Ontario’s dry summer heat, door and frame movement also causes the deadbolt to bind against the strike plate, which makes the key hard to turn. A rekey and a strike plate alignment usually fix it for $75 to $150 total, and it is a lot cheaper than an emergency extraction at midnight.
We always try non-destructive entry first. Picking, bypassing with a shim or under-door tool, or using a decoder on a SmartKey cylinder resolves most Ontario residential lockouts without drilling. Drilling is a last resort, and it is only done with your okay after we have tried the other methods in front of you. If we do drill, we tell you the cost of a replacement cylinder before the drill comes out, and we usually have common Schlage and Kwikset cylinders on the truck.
Three things. First, confirm the person at your door matches the booking: uniform, marked vehicle, and the name you were given on the phone. Second, ask for the written price before the first tool comes out, and do not accept a verbal “we’ll see.” Third, ask what happens if the fix fails in a month. At Preston, the answer is simple: the 365-Day Done Right Promise covers it in writing, and the second visit is free. Call (409) 405-4485 and ask for a free estimate on your lock, rekey, or install.
Call (409) 405-4485 now for a free estimate on any residential locksmith work in Ontario. A live person answers, the price is written before dispatch, and the technician at your door is background-checked, uniformed, and accountable to Kevin Yoon’s Preston team. If it is not done right, we make it right. That is the whole agreement.
Written by Kevin Yoon, Owner at Preston Locksmith & Security, serving Ontario since 2008.