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.
Locksmith in Ontario, CA
Locksmith work in Ontario, CA runs on a different clock than it does in Los Angeles or the beach cities. Homes here were built across several distinct eras, from 1950s ranch houses near downtown to 2000s stucco tracts north of the 10, and each generation of builder put in different lock hardware. That means a locksmith serving Ontario has to carry parts for everything from original Kwikset knobs on Euclid Avenue to modern smart deadbolts in newer developments off Archibald. Ridley Locksmith & Security answers calls across Ontario with background-checked, uniformed technicians, a written price before any work starts, and a live person on the phone 24 hours a day. Call (956) 275-7388.
Why Ontario Homes Are Different
Ontario sits at the base of the San Gabriel foothills, where summer heat and Santa Ana winds put real stress on exterior locks and door frames. Wood expands and contracts through hot, dry summers and cooler, damp winters, and over time that movement throws deadbolt alignment off just enough that a key fights the cylinder. Homes in older Ontario neighborhoods, the grid of streets around Euclid and Holt, often still have original hardware from the 1960s and 1970s. Those locks were built well, but the pins and springs inside them are decades past their service life. Newer subdivisions north of the 10 and around Ontario Ranch tend to have builder-grade entry sets that look fine but wear quickly at the latch. Commercial properties along the I-10 corridor and the airport district add another layer: aluminum storefront doors, high-traffic lever sets, and master key systems that need a locksmith who understands commercial hardware, not just residential knobs.
The other thing that separates Ontario from neighboring cities is the mix of single-family homes, apartments, warehouses, and office parks all within a few square miles. That mix means one call might be a rekey on a 1958 starter home, the next might be a storefront lock replacement off Vineyard, and the next might be a lockout at an apartment complex near the 60. A locksmith has to be prepared for all of it, and equipped with hardware from basic Schlage and Kwikset lines up through Medeco and Mul-T-Lock high-security cylinders.
Our Main Ontario Services
Most Ontario calls to Ridley fall into three categories: rekeying locks after a move or a lost key, residential lock repair and replacement, and commercial work on storefronts, offices, and warehouses. Each service has its own Ontario page with full pricing and job details.
Rekey Locks in Ontario
Rekeying means changing the internal pins inside a lock cylinder so the old keys stop working, while the lock hardware itself stays on the door. It is the right call after buying a home in Ontario, after a tenant moves out, or after a key goes missing and you don’t know who might have a copy. It costs far less than replacing every lock, and it restores full key control in one visit. Homes across Ontario, from older ranch houses near Chaffey High to newer builds near the Ontario Mills area, rekey cleanly when the cylinders are still in decent shape. Learn more about Rekey Locks in Ontario.

Residential Locksmith in Ontario
Residential work in Ontario covers deadbolt replacement, lock repair, lockout response, and hardware upgrades on single-family homes, condos, and apartments. In older Ontario homes, worn latch plates and misaligned strike plates are the two most common reasons a deadbolt stops throwing cleanly. In newer construction, the usual culprit is builder-grade hardware that loosens within a few years. Ridley technicians carry replacement parts and full lock sets so the job finishes in one trip. See what a typical Residential Locksmith in Ontario visit involves, including pricing.

Commercial Locksmith in Ontario
Ontario’s commercial stock runs from small retail storefronts on Euclid and Holt to distribution centers and office buildings near the airport and along the I-10 corridor. Commercial locksmith work here means storefront door locks, panic bars, high-security cylinders, and master key systems that give managers and owners tiered access. Ridley is certified on high-security hardware including Medeco, Mul-T-Lock, Abloy, and Sargent, and technicians handle everything from a single office door rekey to a full building key system. Commercial jobs are surveyed and scheduled, with a written scope and flat per-lock pricing. Read the full outline on the Commercial Locksmith in Ontario page.

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.
Brands We Service in Ontario
Ridley technicians work on the full range of lock hardware found across Ontario, from everyday Kwikset and Yale residential sets to Medeco high-security cylinders and Baldwin entry hardware. We stock common parts and cylinders on the truck, which keeps most repair and rekey jobs to a single visit. See our brands for the complete lineup.
Pricing for Locksmith in Ontario, CA
| Service | Typical range in Ontario |
|---|---|
| Rekey a single lock | $95 – $160 |
| Rekey multiple locks (per additional lock) | $25 – $45 each |
| House lockout | $90 – $180 |
| Deadbolt installation (standard) | $120 – $250 |
| Deadbolt replacement (high-security) | $200 – $400 |
| Door lock repair (labor only) | $75 – $150 |
| Commercial lever replacement | $150 – $300 |
| Storefront lock replacement | $200 – $450 |
| Panic bar installation | $400 – $900 |
| Master key system (per cylinder) | $40 – $90 |
Price moves in Ontario mostly on hardware grade and door condition. High-security cylinders from Medeco or Mul-T-Lock cost more than standard Kwikset or Schlage, and a door that needs strike plate realignment or frame repair adds labor. What does not change is Ridley’s standing rule: the written price you receive before work starts is the price on the invoice. No dispatch fee surprise, no door-upcharge.
Neighborhoods We Serve in Ontario
Ridley covers the full city of Ontario, from the older grid around downtown and the historic Euclid corridor to the newer residential tracts north of the 10 and the commercial districts near Ontario International Airport. Typical response time across Ontario is 30 to 45 minutes, depending on traffic and where the technician is coming from.
- Downtown Ontario and the Euclid Avenue corridor
- North Ontario, including areas near Ontario Mills and the 10
- Ontario Ranch and newer developments south of the 60
- Airport district and industrial zones along the I-10
- Neighborhoods around Chaffey High and the 83
Service Area – Cities Near Ontario
Ridley Locksmith & Security serves Ontario and the surrounding Inland Empire communities from a single coordinated dispatch operation. If you are in a neighboring city, we cover those too: Montclair, CA, Claremont, CA, Upland, CA, and Rancho Cucamonga, CA. Same written pricing rule, same live phone answer, same technicians.
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 Locksmith in Ontario
Most Ridley calls in Ontario are answered by a technician within 30 to 45 minutes, depending on where you are in the city and current traffic on the 10 or 60. A live person takes your call 24/7 and tells you the real ETA, not an automated guess.
Replacing or rekeying existing locks does not require a city permit in Ontario. If you live in an HOA community, particularly in newer developments, check your CC&Rs before changing exterior hardware or finishes. Most HOAs regulate appearance, not lock function.
Yes. Ridley gives you a written price before any work starts, on every job, in every Ontario neighborhood. The number on that document is the number on the invoice. There is no call-out surcharge added on arrival. Call (956) 275-7388 for a free estimate.
If you need a locksmith in Ontario, CA, call Ridley Locksmith & Security at (956) 275-7388. A live person answers around the clock, the price is in writing before work begins, and every repair carries a written one-year guarantee under the 365-Day Done Right Promise. Drew Kowalski and his team run every Ontario job to The Garrison Standard, which means background-checked technicians, uniformed crews, and no surprises at the door.
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 Ontario Customers Say
"Rekey on a small office building, five doors. Done in under an hour and the keys are labeled."
- Hugo M."Replaced a broken handle set and matched the finish. No upsell."
- Leon W."Upgraded to grade 1 deadbolts and reinforced the door frames with strike plates and longer screws. Feels solid."
- Nate P.







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