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 Door Lock Repair Across San Jose
Door lock repair in San Jose usually costs between $85 and $220 for common fixes like a misaligned strike plate or a worn cylinder, and most jobs are done the same day we get the call. If you’re in Berryessa, Cambrian, Willow Glen, or out near Alum Rock, our technicians know the housing stock here well enough to diagnose the real problem over the phone before anyone even arrives. Call (910) 714-4287 and you’ll talk to a live person, not a menu tree. We’ll give you a written price before we dispatch anyone, and that price is the price on the invoice.
Why Dunmore Locksmith Is San Jose’s Preferred Door Lock Repair Company
San Jose homeowners call us because we tell them who is coming to the door before they open it. Every technician is background-checked, identity-verified, and sent to you by name and photo ahead of the visit under what we call the Threshold Standard. When the technician arrives in a marked uniform with a photo ID badge, you already know it’s the right person. Our San Jose customers consistently tell us that’s the reason they called us instead of a cheaper ad in a search result. We’ve served Bay Area customers since 2007 as part of the Threshold Group network, and every repair we make is covered by the 365-Day Done Right Promise. If the fix fails within a year, we return at no charge. Written into the job ticket, every time.
Perry Osgood, who leads our team, put it plainly: a lock repair is a trust transaction before it’s a mechanical one. You’re letting a stranger work on the thing that keeps strangers out. We take that seriously in San Jose, where mid-century tract homes, Craftsman bungalows, and acreage properties each fail in their own predictable ways. Our Door Lock Repair team works on all of them.
Broken Key Extractor in San Jose
Broken Key Extractor work in San Jose typically runs $95 to $160, depending on how deep the key broke and whether the cylinder needs to be removed to get the fragment out. We see a steady stream of these calls from mid-century ranch homes in Berryessa and Cambrian, where original builder-grade locks have been cycled thousands of times. The brass key metal fatigues, snaps off in the cylinder, and suddenly the door that worked fine at breakfast won’t open at all. We extract the broken piece with specialist tools, inspect the cylinder for damage, and usually have the lock working again without drilling. If the cylinder is too worn to salvage, we’ll tell you that before we replace anything and give you the cost in writing first.
What it costs and why it matters
A straightforward extraction on a pin-tumbler knob lock runs $95 to $130. If the key broke off in a deadbolt and the cylinder needs to come out, that’s closer to $130 to $160. You’ll get a firm number on the phone before any technician is dispatched, and there is no call-out fee added on arrival. That’s the Dunmore way and it’s been the same since 2007.
When the cylinder is already worn
On many 1950s to 1970s tract homes in east and south San Jose, we find the original single-cylinder deadbolts and knob locks are past the point of reliable rekeying. The internal pins are worn smooth, which is often why the key snapped in the first place. In that case we recommend replacing the cylinder or the full lock with a Schlage or Kwikset unit. The replacement generally adds $40 to $80 in parts depending on finish and grade, and you still get the 365-Day Done Right Promise on the new hardware.
Sliding Door Lock Repair in San Jose
Sliding Door Lock Repair in San Jose typically costs $85 to $190, with the final number depending on whether the existing lock can be adjusted and serviced or the entire mortise latch assembly needs replacement. Older Craftsman bungalows in Naglee Park and Willow Glen frequently have non-standard sliding door preps that no longer match modern replacement hardware, so we adapt the strike plate and backset rather than forcing a new lock into a door that was built before today’s parts existed. Most repairs take under an hour on site. We carry common Sliding Door Lock Repair parts in our vehicles for San Jose jobs, so there’s rarely a second appointment or a wait on a supply house.
Thermal movement and sliding doors
San Jose’s daily temperature swing runs from the 50s at night to the mid-90s in summer afternoons. That motion flexes aluminum and wood door frames enough that a sliding door lock that worked fine all winter stops latching in June. Usually it’s a strike alignment problem, not a lock mechanism failure. We adjust the strike, shim if needed, and test the door through its full travel before we leave. If the latch itself is genuinely worn, we’ll tell you before replacing it and give you the written price first.
Trusted Brands We Service in San Jose
We’re factory-authorized to service and install Schlage, Kwikset, Medeco, and Abloy hardware, from budget-friendly residential cylinders to high-security commercial cores. When a San Jose customer has a Medeco high-security key that needs duplication or an Abloy disc-detainer cylinder that’s acting up, we don’t have to farm it out. We stock common Schlage and Kwikset parts in our service vehicles, which means a lock repair in Berryessa or Cambrian is usually finished in one visit. For specialty hardware like Medeco or Abloy, we can typically have parts in hand within a day or two and will give you the schedule and price up front. No surprises.
Common Door Lock Repair Problems We See in San Jose Homes
- Afternoon deadbolt failure in mid-century ranch doors. San Jose’s diurnal swing, mid-90s days and 50s nights, expands and contracts wood door frames in 1950s to 1970s tract homes across Berryessa, Cambrian, and Alum Rock. The deadbolt drifts out of strike-plate alignment and the lock won’t turn at 4 p.m. but works fine at 6 a.m.
- Worn builder-grade cylinders on acreage properties. Outbuildings, detached workshops, and side-yard gates often still carry the original single-cylinder deadbolts installed decades ago. The internal pins wear past the point where rekeying makes sense, and the lock either seizes or accepts any key roughly the right shape.
- Broken keys in doors that were never rekeyed. Original keys from the 1960s and 1970s are as tired as the locks they operate. We extract snapped key fragments routinely, usually without drilling, then rekey or replace the cylinder so the door is actually secure again.
- Hollow-core doors flexing around deadbolts. Many older tract homes in San Jose have hollow-core doors that were never reinforced behind the strike plate. A forced-entry attempt or even years of hard use can crack the door edge, leaving a deadbolt that looks fine but no longer phones into solid framing.
Pricing for Door Lock Repair in San Jose, CA
Here’s what San Jose homeowners can expect to pay for common door lock repair work. A broken key extraction runs $95 to $160. Sliding door lock repair runs $85 to $190 depending on whether we can adjust and service the existing hardware or the whole latch assembly needs replacing. Rekeying a standard knob lock runs $60 to $90 per cylinder, and we can rekey multiple locks, the house, the shop, the gate, in a single visit. Deadbolt replacement including the hardware typically runs $120 to $220 installed, depending on the grade you choose. The price we quote on the phone is the price on the invoice. No call-out surcharge. No “we found more problems” escalation. We give you the written number before any technician is dispatched, and the 365-Day Done Right Promise covers every repair we make. Call (910) 714-4287 for a free estimate on your specific lock.
We Also Serve Cities Near San Jose
Our Door Lock Repair in San Jose coverage area includes Milpitas, Santa Clara, Sunnyvale, and Campbell, with the same written pricing, background-checked technicians, and 365-Day Done Right Promise. If you’re just over the line in Santa Clara or up the road in Milpitas, you’ll get the same service as a house off Alum Rock Avenue. One phone call covers the whole metro.
Serving San Jose, CA - Our Local Coverage Area
We’re based in the San Jose 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 Door Lock Repair in San Jose
It’s almost always a door problem, and a very San Jose one. The daily temperature swing from 50s at night to 90s in the afternoon expands the wood door frame, pulling the deadbolt out of alignment with the strike plate. At 6 a.m. it works; at 4 p.m. it won’t turn. We fix it by realigning the strike plate, sometimes mortising it slightly deeper, and testing the door through the hottest part of the day if we’re there to catch it. Call (910) 714-4287 and describe what you’re seeing. We can usually diagnose it over the phone.
Yes, and this is one of the most common calls we get from San Jose acreage owners. We can rekey the house, a detached workshop, and a driveway gate to match a single key in one visit. Rekeying typically runs $60 to $90 per cylinder, and we’ll give you the total written price before we start. Last summer we handled a place off Alum Rock Avenue exactly like this: house, workshop, and side-yard gate keyed alike before the morning fog burned off. The owner told us her previous locksmith wanted three separate appointments.
Usually not. We use specialist extraction tools to pull the broken key fragment out of the cylinder without drilling, which preserves the lock and saves you the cost of replacement. A broken key extraction in San Jose runs $95 to $130 for a standard knob lock and $130 to $160 for a deadbolt where the cylinder needs to come out. If the cylinder is too worn to be reliable after extraction, we’ll tell you and give you the replacement price in writing before we do anything. Call (910) 714-4287 and we’ll walk you through the options.
In most Naglee Park Craftsman homes, yes. Those older sliding doors have non-standard preps that modern replacement hardware doesn’t fit without modification, and the original latch assemblies are often better quality than what’s on the shelf today. Repairing the existing lock, including strike adjustment and servicing the mortise mechanism, runs $85 to $150. Replacement runs $150 to $190 if we have to adapt new hardware to the old door prep. Either way, the 365-Day Done Right Promise applies.
We service Medeco, Abloy, Schlage, and Kwikset hardware, and we’re factory-authorized on Abloy and Medeco lines. That includes high-security cylinders, restricted keyways, and commercial-grade sliding door hardware. If you have Medeco keys that a big-box store won’t duplicate or an Abloy cylinder acting up on a commercial property, we can handle it. Specialty parts sometimes take a day or two to bring in, and we’ll give you the schedule and price up front. Call (910) 714-4287 for a free estimate.
Call (910) 714-4287 now for a free, no-obligation quote on door lock repair in San Jose. We answer the phone 24 hours a day, 7 days a week, and we’ll give you a written price before any technician is dispatched. That price is the price on the invoice, and your repair is covered for 365 days. If it fails, we come back at no charge.
Written by Perry Osgood, Owner at Dunmore Locksmith, serving San Jose since 2007.






