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 Fontana
A residential locksmith in Fontana can handle everything from a lost key replacement on a Sunday night to a full deadbolt upgrade on a 2003 stucco tract home off Sierra Avenue. Most calls we run across Fontana fall into two camps: a lockout that needs a fast, non-destructive entry, or a lock that has failed and needs real work, not a quick spray of lubricant. We know the difference because we have been answering calls here since 2007 as part of the Threshold Group family. If you are locked out right now, or if your builder-grade deadbolt has finally seized up, call (910) 714-4287 and a live person will answer. Always.
Why Dunmore Locksmith Is Fontana’s Preferred Residential Locksmith Company
Fontana homeowners keep calling us back because we do the thing most locksmiths skip: we tell you exactly who is coming before you open the door. Every Dunmore technician is background-checked, identity-verified, and sent to you by name and photo before the visit. When they arrive, they are in a clean marked uniform and they show a photo ID badge at the door. If anyone shows up who you were not told to expect, that visit is covered at no charge. That is the Threshold Standard, and it matters just as much at 2 a.m. on a lockout as it does on a scheduled deadbolt install.
Our reputation in Fontana is built on written prices and honesty. The price goes in writing before any work starts, every time. The number on the quote is the number on the invoice. And every repair carries the 365-Day Done Right Promise: if the repair fails within a year, we return at no charge. No fine print, no “satisfaction” phrasing. It is a written guarantee stamped on the job. Call (910) 714-4287 and you will get a real person, a real price, and a real name and photo of your technician before they roll.
Lost Key Replacement in Fontana
Lost key replacement in Fontana usually means one of two things: cutting a fresh key from the cylinder or, far more often, rekeying the lock entirely (changing the internal pins so your old keys no longer work and issuing a new set). A standard lost key replacement for a Kwikset or Schlage in Fontana knob lock typically runs $65 to $120. If a deadbolt is involved, expect $85 to $150 per cylinder. We always recommend rekeying over simply duplicating a spare when you cannot account for a lost key. You do not know where that key went, and in a city with as many rental turns as Fontana sees, that is not a risk worth taking. Perry Osgood, our owner, has drilled this into how we quote every job: a duplicate key is not a security fix, a rekey is.
When a Key Goes Missing
The sensible order of operations is to rekey first, then cut copies. Once the lock is re-pinned, a lost key becomes useless. We also check your other cylinders while we are there. Many Fontana homes have a mix of Kwikset knobs and Schlage deadbolts, and a single lost house key often fits only one of them, but not always. If your key ring is missing, every cylinder that key touched should be re-pinned.
Rekey vs. Replace
If the lock itself is healthy, rekeying is the cheaper and faster move. If the cylinder is gritty, the keyway is sloppy, or the housing is loose, replacing the hardware makes more sense. A new ANSI Grade 1 Schlage deadbolt with installation in Fontana runs $90 to $180, and it gives you a far better lock than the contractor-grade unit it replaces. If you need to change door locks in Fontana, CA, this is the upgrade we recommend most often.
House Key Locksmith in Fontana
A house key locksmith in Fontana does the work that keeps a house key actually working: cutting, duplicating, rekeying, and extracting broken keys from cylinders. Standard house key duplication runs $3 to $8 per key. Rekeying a single knob lock runs $65 to $110. Rekeying an entire front entry set (knob plus deadbolt) to a single new key runs $95 to $160. Broken key extraction, which we see a lot of in Fontana because of the dry heat and dust that seize cylinders, runs $75 to $130 when we can extract non-destructively. Fontana’s fine particulate dust is brutal on lock internals. It mixes with the factory grease, turns it into grit, and every key turn shaves a little more metal off the pins. That is why older tract homes here have higher failure rates than the same hardware would in, say, coastal LA County cities 40 miles west.
Builder’s Key Handover
If you bought a Fontana tract home built between about 1980 and 2010, there is a real chance your front door still opens with a builder’s key. Builders used key control to manage access during construction, meaning the same key, or a master, circulated among subcontractors, inspectors, and whoever else walked the site. You probably got “all the keys” at closing, but unless the lock was rekeyed after handover, every spare of that builder’s key is still a key to your house. This is one of the most common security gaps we close for Fontana homeowners. Rekeying the door after move-in is not paranoia, it is basic housekeeping.
When to Call Instead of Duplicating
A worn key that needs a wiggle to turn is telling you something: the key is done, and the cylinder may be close behind it. We can cut a fresh key from the cylinder code or the lock itself, but if the cylinder is scored and gritty, a duplicate will just copy the problem. Call us at (910) 714-4287 and describe what the key feels like in the lock. We will tell you honestly whether a $5 duplicate fixes it or whether the cylinder needs to be re-pinned.
Trusted Brands We Service in Fontana
We install and service Schlage, Kwikset, Medeco, and Yale hardware across Fontana. We stock common Kwikset and Schlage cylinders, pins, and strikeplates on the truck, so a rekey or a hardware swap off Cherry Avenue or Citrus Avenue does not mean a second visit for parts. For homeowners in the Sierra Lakes or Northgate tracts upgrading from builder-grade to ANSI Grade 1 deadbolts, we carry the full line. For high-security residential work (a homeowner who wants restricted Medeco keying after a burglary, for example), we order factory-authorized cylinders and schedule the install. This is the same hardware line we use on our Residential Locksmith work across the region.
Common Residential Locksmith Problems We See in Fontana Homes
- Jammed deadbolts in July and August. Fontana’s inland valley summer heat regularly pushes past 105°F. Wood and composite door frames swell, the strikeplate moves, and the bolt jams. If the fix is just lube, we will tell you. Usually the fix is a strikeplate realignment, not a cylinder problem.
- Builder-grade hardware failing in 1980s to 2000s tract homes. The original knob sets and deadbolts in a lot of Fontana’s stucco tracts were cheap when they went in and they are past their service life now. The pin and tumbler internals are soft, worn, and vulnerable to picking and bumping.
- Dust-seized cylinders. The fine particulate dust that blows through the San Bernardino Valley gets into keyways and mixes with old grease. The result is a gritty cylinder that eats keys. Regular cleaning and dry lubrication extends lock life here more than any other single habit.
- Rental turnover rekeys. Fontana has high renter turnover in the tract neighborhoods, and a lot of landlords wait until a tenant leaves to rekey. We get these calls in waves, and the standard answer is a same-day rekey before the new tenant signs the lease.
Pricing for Residential Locksmith in Fontana, CA
A residential locksmith service call in Fontana runs $45 to $75 to come out during normal hours, and emergency lockout calls after dark or on weekends run $95 to $150. Rekeying a single knob runs $65 to $110, a deadbolt rekey runs $75 to $120, and rekeying a full entry set runs $95 to $160. A new ANSI Grade 1 deadbolt with installation runs $90 to $180. A full lock change on a front door runs $120 to $240 depending on hardware. These are honest ranges for this market. The price we quote on the phone is the price on the invoice, in writing, before work starts. No arrival surcharges, no “it was worse than we thought” re-quotes. Call (910) 714-4287 for a free estimate.
We Also Serve Cities Near Fontana
Dunmore Locksmith is the Residential Locksmith in Fontana team, and we take calls in the communities right around the city as well. If you live in Bloomington, Rialto, Rancho Cucamonga, or Riverside, we can often be there in the same window as a Fontana call. The scheduling and dispatch come through our Inland Empire office, and the technician on the road is the same one you would get on a Fontana job.
Serving Fontana, CA - Our Local Coverage Area
We’re based in the Fontana 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 Fontana
Yes, because “all the keys” does not mean “only the keys that exist.” Builders and contractors used key control during construction, and a builder’s key, a subcontractor copy, or a prior owner’s spare may still open your door. Rekeying after closing is the only way to formally retire every old key. A full entry set rekey in Fontana runs $95 to $160, and we can do it same week. Call (910) 714-4287 to schedule.
It is usually the door. Fontana’s 105°F plus summer heat swells wood and composite frames, the strikeplate shifts, and the bolt no longer lines up. We test the cylinder first; if the key turns smoothly but the bolt will not throw, the problem is the frame alignment, not the lock. The fix is a realigned strikeplate, sometimes with longer screws anchored into the framing. A cylinder-only lube job would miss it. Call (910) 714-4287 and describe what you are seeing.
Almost always. The majority of Fontana residential lockouts are a matter of a slipped latch, a mis-set deadbolt, or a key that has stopped turning in a dust-seized cylinder. We use non-destructive entry tools and techniques first, and we drill only if the lock is failed beyond turning. We got a call from a homeowner in the Sierra Lakes tract off Citrus Avenue whose builder-grade Kwikset deadbolt had seized after a 108°F July week. Our tech used non-destructive entry to get them back in, then pulled the cylinder, re-pinned it so the builder’s key no longer worked, and installed ANSI Grade 1 Schlage hardware with a strikeplate aligned to the swollen frame. This is the kind of comprehensive service you get from a Fontana commercial locksmith applied to residential needs. The keypad deadbolt went on the same visit, paired with their existing system.
Upgrade the deadbolt first. A smart lock on a weak or failing mechanical cylinder is just a wireless app controlling a bad lock. Fontana tract homes from the 1980s through 2000s often shipped with contractor-grade deadbolts that are now worn, bumpable, and ready to fail. We recommend replacing with ANSI Grade 1 hardware (Schlage or Kwikset at minimum, Medeco if you want restricted keying), then adding a keypad or smart lock on the entry you use most. You get a better lock and a better platform.
Yes. Fontana’s inland valley location produces summer highs that regularly exceed 105°F, plus fine particulate dust that works its way into keyways and mixes with factory grease. The lubricant turns to grit, the pins wear, and the cylinder eventually seizes. Locks in Fontana fail measurably faster than the same hardware in coastal LA County cities 40 miles west. The practical answer is annual cleaning and dry lubrication, and when a lock starts feeling gritty, call (910) 714-4287 before the key snaps off in the cylinder.
Written by Perry Osgood, Owner at Dunmore Locksmith, serving Fontana and the surrounding Inland Empire communities. Dunmore comes from old words for a great fort, a stronghold built to keep what is inside safe. That is the standard we build every Fontana job to.