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 is shaped by two extremes: pre-1970s homes along the Euclid Avenue corridor with worn original hardware, and brand-new smart-lock-ready builds in Ontario Ranch. Summer heat regularly exceeds 105°F, which causes door frames to expand and deadbolts to bind. If you need a rekey, a lock change, or a commercial cylinder overhaul, call (910) 714-4287 and you’ll speak to a live person, any hour.
Why Ontario Homes Are Different
Ontario’s housing stock splits in a way that changes what our technicians actually do on a daily basis. North of the 10, you’ll find bungalows and ranch homes built before 1970 around the Euclid Avenue corridor, many still carrying original passage sets and single-cylinder deadbolts with worn, non-standard keyways. Those locks often need more than a quick fix; the cylinders are tired, the strike plates are loose, and the keys are copies of copies.
South of the 60, Ontario Ranch is a different world entirely. Builders there installed smart-lock-ready preps and electronic deadbolts that require firmware-aware service. The same technician who rebuilds a 1960s Kwikset cylinder in the morning might be programming a Baldwin electronic deadbolt in the afternoon. Summer heat-binding is also a reality here: steel and aluminum frames expand enough in 105°F-plus weather that deadbolts won’t fully throw, and dry Santa Ana wind cycles strip graphite and oil-based lubricants within months. We carry hardware and tools for both ends of that spectrum on every truck.
Our Main Ontario Services
Two calls dominate the phones in Ontario: homeowners who need their locks changed after moving in or losing keys, and warehouse operators who need cylinders rekeyed in bulk after staffing changes. Below are the four services we run daily in Ontario, each with its own dedicated page.
Residential Locksmith in Ontario
Residential work in Ontario spans worn mid-century hardware near downtown and newer electronic deadbolts in the Ontario Ranch subdivisions. We rekey, replace, and repair everything from original passage sets to smart-lock preps, always with the price in writing before any work starts. For the full scope of what we handle, see our Residential Locksmith in Ontario page.

Door Lock Repair in Ontario
Door lock repair in Ontario often means heat-binding fixes and lubricant breakdown from the dry inland climate. A deadbolt that won’t throw in July isn’t necessarily broken; the frame may have expanded. We diagnose on site, show you what’s actually wrong, and quote a written price before touching a screwdriver. Details on our Door Lock Repair in Ontario page.

Change Door Locks in Ontario
Changing door locks is the most common resale and move-in request in Ontario, especially in older Euclid Corridor homes where previous owners or tenants may still hold keys. We rekey (changing the internal pins so your old keys no longer work) or swap hardware entirely, matched to your existing finish. See our Change Door Locks in Ontario page for what’s involved.

Commercial Locksmith in Ontario
Ontario’s warehouse and distribution campuses along Milliken Avenue, Archibald Avenue, and the Ontario Mills corridor generate rekeying volumes you won’t see in residential markets. Forty-plus cylinders in a single visit after a wave of seasonal separations is a regular job here, not an exception. Our Commercial Locksmith in Ontario page covers master key systems, access control, and high-security cylinders.

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
We’re qualified to install and service Kwikset, Medeco, Yale, Baldwin, Schlage, Mul-T-Lock, Sargent, and Abloy hardware, from basic pin-tumbler rekeying to high-security commercial cylinders. See our brands for what we stock locally and typical turnaround.
Pricing for Locksmith in Ontario, CA
These are the typical ranges for common jobs in Ontario. Your exact quote comes in writing before any work starts, and that’s the price on the invoice.
| Service | Typical range in Ontario |
|---|---|
| Rekey a Kwikset pin-and-tumbler lock, including new keys | $55 – $95 |
| Rekey a Schlage deadbolt, including new keys | $55 – $95 |
| Commercial rekeyable keyway (per cylinder) | $25 – $60 |
| High-security key control (e.g. Medeco, Mul-T-Lock), per cylinder | $45 – $130 |
| Master key system setup, per cylinder | $45 – $85 |
| Key duplication (per key) | $2 – $15 |
| Home lockout service | $75 – $175 |
| Car door lockout (unlock only, no keys made) | $60 – $125 |
| Replace a standard Kwikset or Schlage deadbolt (hardware included) | $75 – $150 |
| Replace a lock cylinder | $75 – $110 |
| Door lock repair (labor for binding latch, misaligned strike, etc.) | $65 – $140 |
| Safe opening / lockout | $100 – $250 |
What pushes prices up in Ontario specifically is the volume of high-security and commercial work. If your building uses Medeco or Mul-T-Lock cylinders with restricted keyways, rekeying costs more because the blanks and pins are controlled. And master key work on a 40-cylinder warehouse takes longer to lay out correctly than a single deadbolt on a rancher. Whatever the job, you get the full price on the phone before anyone is dispatched, and there’s no call-out surcharge added on arrival.
Neighborhoods We Serve in Ontario
We cover the entire city of Ontario, from the historic Euclid Avenue corridor to the Ontario Ranch subdivisions in the south, and the industrial strips off Milliken and Archibald Avenues. Response times run around 30 to 45 minutes for most residential calls, a little longer during peak warehouse shift-change hours.
- Euclid Avenue corridor
- Downtown Ontario
- Ontario Ranch
- Ontario Mills area
- Archibald Avenue industrial corridor
Service Area – Cities Near Ontario
We also serve the neighboring Inland Empire cities and surrounding communities, including Montclair, CA, Claremont, CA, Upland, CA, and Rancho Cucamonga, CA. Same technicians, same written pricing, same 365-day guarantee.
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 residential calls in Ontario are reached in 30 to 45 minutes. Industrial calls off Milliken Avenue or Archibald Avenue can take a bit longer during warehouse shift changes. Call (910) 714-4287 and a live person will give you an honest ETA, not a chatbot estimate.
No. Rekeying, changing locks, and repairing door hardware on a home you own or rent (with landlord approval) require no city permit in Ontario. Commercial access control and master key work may require building management sign-off, but never a locksmith-specific permit. We’ll tell you exactly what applies to your job.
Yes. The price we quote on the phone is the price on your invoice. We put it in writing before any work begins, and there’s no call-out surcharge added when the technician arrives. If the repair fails within 365 days, we return at no charge under the Done Right Promise. Call (910) 714-4287 for a free estimate.
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
"Our storefront door lock was worn and tough to turn. He repaired it on the spot and left us extra keys cut properly."
- Camille W."Good work installing a keypad lock on our back office. Showed up fifteen minutes late, but he called first. Programming codes took a while, but he made sure I understood it."
- Mitchell K."Deadbolt on the front door was sticking and wouldn't throw all the way. He cleaned it, adjusted the strike plate, and it works smoothly now. Charged very little."
- Victor S.






