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 Change Door Locks Across Chino
Changing door locks in Chino usually means one of three things: a rekey after you close on a house, a hardware upgrade because the old deadbolt has finally worn out, or a same-day fix after a key breaks or a tenant moves out. Our Change Door Locks team handles all of it, and we get to most Chino neighborhoods within 60 minutes. You’ll know exactly who’s coming before they arrive: we send the technician’s name and photo to your phone, and the price goes in writing before any work starts. Call (910) 714-4287 and you’ll talk to a live person, any hour.
Why Dunmore Locksmith Is Chino’s Preferred Change Door Locks Company
Chino’s housing stock is specific. Most of it went up between the early 1980s and the mid-2000s, when dairy land became tract after tract of wood-framed homes, and many of those houses still carry their original builder-grade deadbolts. We know what that means on a job site: 30-year-old Kwikset pin stacks that are corroded past rekeying, door frames that have warped through twenty Inland Empire summers, and strike plates that no longer line up. That’s the work we do in Chino week after week.
Our technicians are background-checked and identity-verified under what we call the Threshold Standard. Before every visit, you receive the tech’s name and photo. When they arrive in a clean marked uniform, they show a photo ID badge at the door. Perry Osgood leads our team, and the rule is simple: if someone shows up who you weren’t told to expect, that visit is on us. No charge.
Every job in Chino is covered by the 365-Day Done Right Promise. That’s a written guarantee, not a verbal one. If the lock change fails or something isn’t right, we come back at no charge for a full year. You’ll see the guarantee stamped on your paperwork before the tech leaves your driveway.
Change Lock Cylinder in Chino
A change lock cylinder in Chino means pulling the old pin-and-tumbler core out of your existing deadbolt or knob and installing a fresh one keyed to new keys. We see this job constantly in Chino’s resale market, especially in homes built between 1985 and 2005 where the original Kwikset or Schlage cylinders have been through two decades of keys, grit, and heat. It’s usually faster than a full hardware replacement, and it restores a clean, tight keyway on a door that still has solid mechanical bones.
For most Chino homes, a standard lock cylinder swap runs $95 – $165 per lock, including the new keys. High-security cylinders from Medeco or Mul-T-Lock run higher, typically $180 – $260, because the key blanks are restricted and the pinning is more precise. We quote the full price on the phone before we dispatch, and that’s the price on the invoice. No call-out surcharge added at your door.
When rekeying beats replacement
If your Chino home’s deadbolt housing is still solid and the bolt throws cleanly, a cylinder change is usually the right call. We rekey the new cylinder so your old keys, the previous owner’s keys, and any builder’s keys die on the spot. You keep the same door, same finish, same hardware, but only your new keys work.
When the cylinder won’t take a rekey
On a lot of Chino tract homes, the old builder-grade cylinder is too far gone: the pin chambers are wallowed out, the plug wiggles, or Santa Ana grit has eaten the keyway. Rekeying a worn cylinder means you’ll be back in six months with a stuck key. In that case we recommend an ANSI Grade 1 replacement, which costs more than a rekey but saves you the second service call.
Door Lock Installation in Chino
Door lock installation in Chino covers a wide range of work, from setting a brand-new deadbolt in a Preserve tract home to cutting in a fresh handle set on a warped door that hasn’t latched cleanly in years. The housing stock here matters: most front doors are wood-framed and many have shifted through 105°F summers, so installation often means more than swapping hardware. The striker needs to be reset. The plate may need a deeper mortise. The bolt has to throw easily without binding.
A standard deadbolt installation on a Chino home runs $120 – $210 per lock, including the hardware, drilling if needed, and a properly aligned strike plate. Smart lock installation runs $160 – $280, depending on the complexity of the wiring or the pairing with your existing system. If you’re upgrading to a Baldwin or Kwikset SmartCode lock, we’ll get it talking to your existing keypad, app, or hub before we leave. You’ll have a written price before any work starts. Call (910) 714-4287 for an exact quote.
New builder-grade replacement
Chino has a lot of newer construction too, especially in the master-planned communities around the Preserve. Some of those homes came with entry-level knob sets that do the job but won’t hold up to daily use. We regularly replace those with Grade 1 deadbolts and heavy-duty latch hardware that survive the seasonal swelling of wood doors without binding.
Smart lock retrofit on an older door
Older Chino doors weren’t framed for smart locks. The bolt hole is often 1/16-inch off center, the door edge is worn, and the strike plate sits low. We don’t just mount the lock. We adjust the frame, re-align the striker, and make sure the bolt travels completely into the jamb. That’s the difference between a smart lock that works for a month and one that works for a decade.
Trusted Brands We Service in Chino
We work on what Chino homeowners already have on their doors, which is mostly Kwikset and Schlage from the original build. But when the time comes to upgrade, we stock and install Baldwin, Yale, and Medeco hardware for customers who want better finish, stricter key control, or both. Most common cylinders and deadbolts are in our service vehicles when we roll into Chino. Less common finishes take a day or two. We’re factory-authorized on the lines we install, which matters when a Medeco keyway needs pinning that a corner hardware store can’t do.
Common Change Door Locks Problems We See in Chino Homes
- Builder’s keys still working after closing. In Chino’s resale market, we see this constantly: the buyer gets the keys at escrow, but so did three contractors and the previous owner’s cousin. Rekeying the day you move in is the only way to know your new key is the only key.
- Summer lock binding from heat. Chino regularly hits 105 – 112°F in July and August. Wooden door frames and solid-core doors expand, the striker misaligns, and the deadbolt won’t throw without forcing it. A new strike plate and frame adjustment fixes more than a fresh cylinder will.
- Santa Ana grit in the keyway. Fall winds push fine dust and sand straight into exterior locks on exposed Chino front doors. That grit accelerates pin-tumbler wear and causes keys to stick, jam, or snap. A quick rekey won’t solve it; the cylinder needs cleaning or replacement.
- Builder-grade deadbolts 20 – 40 years old. Most Chino tract homes from the 1980s through the mid-2000s still have their original Kwikset or Schlage hardware. The pin stack is worn, the keyway is sloppy, and the bolt may be loose in the housing. At some point, replacement beats rekeying.
Pricing for Change Door Locks in Chino, CA
You’ll get the price in writing before we dispatch to your Chino home, and it’s the same number on the invoice. A standard rekey on a resale home, covering the front, garage, and back doors, typically runs $85 – $140 if you have one key that works all locks. Changing out a cylinder entirely runs $95 – $165 per lock. Full deadbolt replacement with new hardware sits at $120 – $210, and smart lock installation lands between $160 – $280. What actually determines your cost: how many locks, what brand you want, and whether the old door frame needs strike plate work from years of Chino heat. We don’t charge a call-out fee on top of the quote. Call (910) 714-4287 and we’ll walk through it with you.
We Also Serve Cities Near Chino
Our Change Door Locks in Chino service area reaches into Norco, Chino Hills, Corona, and Ontario. If you’re right on the edge of those cities, we’ll still get to your door fast, with the same written price and the same 365-Day Done Right Promise.
Serving Chino, CA - Our Local Coverage Area
We’re based in the Chino 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 Change Door Locks in Chino
Yes, and we recommend it the day you close. Most Chino resale homes were built between the 1980s and mid-2000s, and the original builder-grade doors have passed through multiple sets of hands: previous owners, agents, contractors, cleaners, family members. You don’t know how many copies of those keys exist. A rekey costs $85 – $140 for the average Chino home and it eliminates every old key in one visit. Call (910) 714-4287 and we’ll schedule it before you move the first box.
Yes. In new construction across Chino, builders often use a construction keying system where one builder’s key opens all the doors during framing and finishing, then a homeowner key voids it. But if the punch-out was missed, the builder’s key still works. We test every lock during a new-home lock change and rekey them all so only your key operates the hardware, regardless of what was handed over at closing.
Because Chino hits 105 – 112°F in the summer and wood-framed doors from 1980s and 1990s tract construction expand in that heat. The door grows, the striker shifts, and the deadbolt binds. The fix isn’t always a new lock; it’s re-aligning the strike plate and sometimes planing the door edge so the bolt throws cleanly. Our techs do this as part of any lock installation in Chino.
Usually yes, but the condition of the door matters more than the brand of smart lock. If your frame has warped through a decade of Chino summers, the smart lock will struggle to throw and retract the bolt. We install smart locks from Kwikset, Yale, and Baldwin and we adjust the frame and strike plate at the same time. That’s the only way a smart lock works reliably on an older Chino door.
Often yes, and rekeying is cheaper: $85 – $140 for a typical home with a single master key. But if the cylinder is a 25-year-old builder-grade Kwikset with grit from years of Santa Ana winds, the pin stack may be too worn to rekey cleanly. In that case, replacement is the honest answer, and the price goes in writing before we do either one. Call (910) 714-4287 and we’ll tell you straight.
Contact Dunmore Locksmith in Chino
You’ll get a live person on the phone, a written price before any work starts, and a named technician sent to your door with a photo ID. Perry Osgood and our team work across Chino, from the Preserve corridor near Kimball and Schaefer to the older neighborhoods along Euclid and Central. Whether you just closed on a resale home, need a smart lock working with your system, or want those worn builder-grade deadbolts gone for good, we’re ready. Call (910) 714-4287 for a free estimate.
Written by Perry Osgood, Owner at Dunmore Locksmith, serving Chino and the surrounding Inland Empire.






