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 Emergency Locksmith Across Ontario
If you’re locked out in Ontario right now, here’s what you need to know: a 24/7 emergency locksmith typically reaches most Ontario addresses within 30 to 45 minutes, and a standard house lockout runs $75 to $150. That’s the honest range, quoted in writing before we dispatch, and it’s the price on the invoice. No add-ons at the door. This is how Novak Lock & Security has operated since 2002, and it’s the rule our dispatchers and technicians work under every single day. Call (331) 310-8471 and you’ll talk to a live person who can give you a firm price and an arrival window before anyone gets in a van.
We know Ontario differently than a crew driving in from the coast does. A locksmith who understands the older tract housing south of the 10, the apartment stock built for the logistics workforce, and the warehouse corridors along Milliken and Vineyard isn’t guessing. That local knowledge means we arrive with the right tools, the right cylinders, and the right expectation of what we’ll find at your door.
Why Novak Lock & Security Is Ontario’s Preferred Emergency Locksmith Company
You can see it in the call log. Ontario is a city where a typical emergency night might send us from a residential lockout in a 1960s tract home near Chaffey High School to a broken transponder key in a semi cab off Vineyard Avenue, then back to a deadbolt that’s binding on a warped original door near the Model Colony Historic District. Few cities generate that spread of calls, and fewer locksmiths carry the equipment to handle all of it. Our Emergency Locksmith team does.
We’ve built a strong local reputation in Ontario because the price quoted is the price on the invoice, every time. Haven Standard Clause 1 was written to be non-negotiable: no technician is permitted to change the price at the doorstep. That rule has been in place since 2002. When an Ontario homeowner calls us at 1 AM, they know the dispatcher’s quote is binding. It’s the reason we get referral calls from property managers who run apartment buildings along Euclid and Holt, and from operations supervisors who manage docks off Milliken.
Every tech who rolls out to Ontario is background-checked, uniformed, and trained to document the job. You receive a written scope, a photo record of the work, and a written warranty before the tech leaves. Not a promise. A procedure we’ve followed under The Haven Standard for more than two decades.
Our Emergency Locksmith Services in Ontario

24/7 Emergency Lockout
Locked out of your house, apartment, or truck in Ontario? We open residential locks non-destructively in most cases, which matters a lot on the original 1950s and 1960s doors that are common south of Holt Boulevard. Those old pin-and-tumbler cylinders can almost always be picked and rekeyed rather than drilled. That saves you the cost of replacing the entire lockset. If drilling is genuinely the only option, we’ll tell you before we do it and the price will already be in writing. Call (331) 310-8471 and a live dispatcher answers, day or night.

Broken Key Extraction
A key snapped in an ignition or door cylinder is one of the most common calls we get from Ontario’s warehouse district. Yard trucks, semi cabs, and delivery vans take abuse. Keys get twisted under pressure. We extract the broken piece and, when needed, program a new transponder key on-site. The 2 AM call we remember best came from a third-party logistics yard off Vineyard Avenue: a yard truck’s transponder key had snapped in the ignition, and the driver needed to move a loaded trailer before the morning cross-dock cut-off. Our tech opened the cab non-destructively, pulled the broken key, and programmed a new transponder right there in the yard. That’s a call you don’t get in Upland.

Safe Opening
Ontario homes and businesses have safes ranging from small residential units tucked into closets of the older tract houses near Chino, to commercial floor safes in the offices that line the I-10 corridor. We open them with minimal damage, using the safe’s own lock mechanism wherever possible, and we always quote a firm price before a single tool touches the dial. If the safe can be opened without drilling, you pay for a non-destructive opening. If drilling is required, you know that cost before we start. That’s the Haven Standard Clause 1 applied to every job.

Eviction Lock Change
Landlords and property managers across Ontario need documented lock changes for eviction compliance, especially in the workforce apartment complexes that house the logistics industry’s labor pool. We rekey or replace the cylinder, document every step with photos, and provide a written record showing the work was completed at the address with the date and time. In a legal process, that documentation matters. We’ve been serving Ontario property managers long enough to know exactly what a court or a sheriff’s office will ask to see. The price is quoted per lock, in writing, before anyone is dispatched.

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.
Trusted Brands We Service in Ontario
You’ll find a mix of old and new hardware across Ontario. The 1950s and 1960s tract homes often still run original Kwikset cylinders that have never been rekeyed. Newer construction and warehouse offices lean on Baldwin, Yale, Sargent, and Mul-T-Lock. We carry parts and cylinders for all of them, and our techs are factory-authorized on premium brands including Medeco, Mul-T-Lock, and Baldwin. But we also stock the older Kwikset pins and cylinders you need when rekeying an original door in an Ontario tract home. From entry-grade to high-security, every job gets a written price before we turn a cylinder.
Common Emergency Locksmith Problems We See in Ontario Homes

- Deadbolts that bind in summer heat. Ontario regularly hits 105°F in July and August. Steel deadbolt cylinders expand, pins and springs tighten, and a key that worked in May won’t turn in August. We see this most often on west-facing doors of older tract homes around the Model Colony district.
- Worn original Kwikset cylinders on 1950s-1970s doors. Many Ontario houses south of the 10 still run the locks they were built with. Fifty years of use means loose keyways, worn pins, and keys that work only at one exact angle. These can usually be rekeyed rather than replaced, and we’ll tell you honestly which one your lock needs.
- Misaligned strike plates on warped wood-frame doors. Ontario’s sharp swing from 105°F days to cool winter nights makes original wood-frame doors swell and shrink seasonally. A deadbolt that aligned in October may not throw fully in January. We realign the strike plate as part of the repair, and that’s usually a 20-minute fix on an emergency call.
- Industrial lockouts along Milliken and Vineyard. Semi cabs, yard trucks, and delivery vans break keys, jam ignitions, and fail in ways residential locksmiths never see. A tech who arrives without transponder programming or heavy-equipment key capability can’t finish the job. Ours arrive with both.
Pricing for Emergency Locksmith in Ontario, CA
Here are the honest ranges for Ontario, and these are the numbers you’ll hear on the phone: a residential house lockout typically runs $75 to $150. Broken key extraction from a door or ignition usually falls between $100 and $190, depending on whether a new transponder key needs programming. Safe opening starts around $250 for a non-destructive residential opening and climbs from there for commercial units or drilling. Eviction lock changes are quoted per lock, usually $65 to $120 per cylinder, including new keys for all parties the owner authorizes. A deadbolt realignment on a warped Ontario door runs $60 to $90 when done as part of a lockout call. These prices are quoted in writing before dispatch, and the dispatcher’s quote is the invoice price. No call-out surcharge added at the door. Call (331) 310-8471 for an exact quote to your address.
We Also Serve Cities Near Ontario

Novak Lock & Security provides Emergency Locksmith in Ontario and dispatch coverage to the surrounding cities of Montclair, Claremont, Upland, and Rancho Cucamonga. Same live-answer dispatch, same written-price rule, same background-checked technicians. If you’re just outside the Ontario city line, we’ll still get to you fast and quote firm before we roll.
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 - Emergency Locksmith in Ontario

Ontario’s summer temperatures regularly exceed 105°F, which causes steel deadbolt cylinders to expand enough that pins and springs bind inside the cylinder. A key that turned perfectly in spring may stop turning entirely by July. The fix is usually a cylinder rekey with proper lubrication, or replacing a cylinder that’s at the end of its service life. Call (331) 310-8471 and we can diagnose it on-site, usually within 30 to 45 minutes of your call.
In most cases, yes. The original mortise locks in Ontario’s 1950s and 1960s tract homes are usually pickable, and we carry tools specifically for older mortise bodies. Drilling a mortise lock often means replacing the entire lockset and potentially patching the door, so we avoid it unless the lock has failed mechanically beyond repair. We’ll tell you before any drilling happens, and the price will already be in writing.
A standard Kwikset rekey on an original Ontario tract home door runs about $65 to $120 per cylinder and takes roughly 20 minutes per lock. We remove the cylinder, replace the pins to match a new key, and test the lock through multiple cycles. If the cylinder is too worn to rekey reliably, which we see often on original 1960s hardware, we’ll show you the wear and quote a replacement cylinder in writing before doing anything.
Yes. Ontario’s warehouse and logistics density along Milliken Avenue, Vineyard Avenue, and the airport corridor means we routinely handle semi cab lockouts, yard truck ignitions, and delivery van doors. Our techs carry transponder programming equipment and heavy-equipment key blanks that most residential locksmiths don’t stock. A yard truck lockout at 2 AM is a normal call for us in Ontario. Call (331) 310-8471 and we’ll dispatch a tech with the right programming gear.
Yes, and this is one of the most common Ontario calls we get between December and February. The sharp temperature swing from summer to winter makes original wood-frame doors swell and shift, and the deadbolt no longer lines up with the strike plate. We realign the strike plate, sometimes shaving or remounting it, and the fix typically adds $60 to $90 to a lockout call. It’s done on-site, same visit. Call (331) 310-8471 for a firm quote.
Written by Daniel Novak, Owner at Novak Lock & Security, serving Ontario, CA.
Locked out in Ontario right now? Call us at (331) 310-8471. A live person answers, quotes a firm price, and dispatches a background-checked, uniformed technician to your door. Written price before any work starts. That’s been our rule since 2002, and it’s written into The Haven Standard.






