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 Campbell
Changing door locks in Campbell typically costs $65 to $180 per lockset for standard knob or deadbolt replacements, plus the hardware itself, and most jobs are completed within 90 minutes of a technician arriving at your door. Whether you’ve just closed escrow on a 1962 ranch near Campbell Avenue or you’re updating rental-unit access in a condo near the Pruneyard, we send a background-checked, photo-badged technician by name and photo before the visit. Call (910) 714-4287 any hour and a live person answers. The full price goes in writing before any work starts, and it’s the same price on the invoice.
Why Dunmore Locksmith Is Campbell’s Preferred Change Door Locks Company
Campbell homeowners call us because we understand what this town’s housing stock actually demands. Most of the residential calls we take here are from single-story ranch homes built between 1950 and 1975, doors that still carry original Kwikset or Schlage knob-sets with no deadbolt, and frames that were never bored for modern hardware. That’s not a problem to us. It’s the job. We rekey, swap cylinders, reinforce strike plates, and modify jambs without turning a sixty-year-old door into firewood.
Dunmore Locksmith operates under the Threshold Group umbrella, which means every technician who arrives in Campbell is background-checked, identity-verified, uniformed, and holding a photo ID badge shown at the door. You receive the tech’s name and photo before the visit. If anyone shows up who you weren’t told to expect, that visit is covered at no charge. That’s the Threshold Standard, and it’s why homeowners who don’t love the idea of opening the door to a stranger choose us. Perry Osgood, who leads our team, insists on it for every single job.
Reviews from Campbell customers keep coming back to the same two points: the price quoted on the phone matched the invoice, and the tech who showed up was exactly who the dispatcher said it would be. That matters more in Campbell than in many nearby cities because the turnkey real estate cycle here moves fast. Buyers in Kirkwood, the San Tomas area, and the neighborhoods around John D. Morgan Park get handed keys on a Friday and need locks changed before the moving truck shows up Saturday. We respond to Campbell addresses throughout the day, and our crews reach most neighborhoods in under an hour.
Lock Change in Campbell
Lock Change in Campbell means removing the existing lockset, knob, or deadbolt from your door and installing new hardware that matches the door prep, or modifying the door prep when the old hardware and the new hardware don’t line up. That second part is where Campbell’s housing stock separates a real locksmith from a parts-swapper. A 1962 ranch in the Winchester neighborhood often has a 1-3/8-inch bore hole and a mortise pocket cut for a knob-set from the Eisenhower administration. Modern ANSI Grade 1 deadbolts want a 2-1/8-inch bore. If the installer doesn’t bore and reinforce the jamb properly, the lock fails or the frame cracks.
When a Campbell Homeowner Needs a Lock Change
You need a lock change if you’ve inherited a home with original knob-sets and no deadbolt, which home inspectors in Campbell flag on nearly every close-of-escrow inspection for pre-1975 builds. You also need one after a tenant moves out of a rental unit, after keys go missing, or when a north-facing exterior lock has corroded so badly that rekeying won’t restore smooth operation. And you need one when you want smart-lock hardware like a Schlage Encode, which requires a modern deadbolt prep that original Campbell ranch doors rarely have.
Typical Campbell Lock Change Cost
A standard deadbolt or knob-set replacement in Campbell runs $65 to $130 per lock in labor, with hardware costs depending on the grade and brand you choose. A quality residential Schlage or Kwikset deadbolt adds $40 to $90. A high-security cylinder or smart lock like a Schlage Encode runs higher, and we’ll give you the written line item before the screwdriver comes out.
Change Lock Cylinder in Campbell
Change Lock Cylinder in Campbell is usually the more precise, less invasive job, and it’s often the right call when a lock works fine and the only problem is who might hold a key. We remove the existing cylinder, replace it with a new one pinned to a brand-new key, and reinstall it into the same housing. On a 1960s ranch knob-set in Campbell, this can keep the original mortise lock and trim intact, which matters if you’re a renter or condo owner who doesn’t own the door hardware outright.
When Replacing the Cylinder Beats Replacing the Lock
If the lock turns smoothly but you want to kill old keys without changing the look of your door, cylinder replacement gets it done. It also costs less than a full lock change. Campbell condo owners near the VTA Winchester light-rail station run into this constantly with unit locks tied to an HOA master key system. You change the cylinder, the HOA keeps its master access, and the previous owner’s copy of the unit key becomes useless.
What It Costs in Campbell
Cylinder replacement in Campbell typically runs $45 to $95 per cylinder in labor, plus the cost of the cylinder, which ranges from $25 for a standard Kwikset or Schlage to $150 or more for high-security Medeco or Mul-T-Lock cylinders. We carry common cylinders on the truck, so Campbell jobs rarely require a second visit. The written quote covers the full job before we start.
Trusted Brands We Service in Campbell
Our Change Door Locks team stocks and services the hardware Campbell homes actually have on their doors, now and forty years ago. That includes Kwikset and Schlage, the two brands you’ll find most often on 1950s and 1960s ranch hardware in this city, plus Abloy and Medeco for high-security and commercial work. We keep common residential cylinders, deadbolts, and strike plates in our service vehicles, so a Campbell job rarely gets delayed while someone drives across the Valley for a part. If your door has an older Kwikset knob-set or a Schlage deadbolt from the 1980s, we can usually match it same day.
Common Change Door Locks Problems We See in Campbell Homes
- Original knob-sets with no deadbolt: Campbell home inspectors flag these on nearly every pre-1975 sale. The fix isn’t just bolting a deadbolt on; it’s modifying a thin door and jamb that were never designed for ANSI Grade 1 hardware.
- North-facing locks that bind every winter: Campbell’s marine fog pools on the Santa Clara Valley floor overnight, and north-facing exteriors stay damp between November and March. Pin-tumbler cylinders corrode, springs stick, and keys that worked in September refuse to turn in February.
- Restricted-key conflicts in condos and townhomes: Units near the VTA Winchester station and downtown Campbell often sit under an HOA master key or key-control agreement. Copying a restricted key without checking the agreement can breach the entire building’s key system, and changing a unit lock without updating the master sequence can lock out the HOA’s maintenance access.
- Smart-lock retrofits on doors that aren’t ready for them: A Schlage Encode or Z-Wave smart lock assumes a standard modern deadbolt prep. Many Campbell ranch doors still have a 1-3/8-inch bore and an un-reinforced jamb, so the retrofit has to start with door prep, not just lock swap.
Pricing for Change Door Locks in Campbell, CA
We give Campbell customers real numbers because writing them down in advance is the only way to keep the invoice honest. A standard knob or deadbolt change runs $65 to $130 per lock in labor. Rekeying a cylinder runs $35 to $60 per cylinder. Cylinder replacement runs $45 to $95 per cylinder in labor. Hardware is priced separately, and a good residential Schlage or Kwikset deadbolt adds $40 to $90, while a Schlage Encode smart lock or Medeco high-security cylinder costs more. The quote you approve on the phone is the price on the invoice. No call-out surcharge appears when the technician arrives, no “it’s actually a bigger job” adjustment gets made at the end. Call (910) 714-4287 for an exact quote, free, before anyone is dispatched.
We Also Serve Cities Near Campbell
Our crews cover Campbell and the surrounding Santa Clara Valley communities. If you’re just over the border in Saratoga, Los Gatos, Santa Clara, or Cupertino, the same written pricing, named technicians, and 365-day guarantee apply. Call (910) 714-4287 and tell the live person who answers where you are. We’ll tell you who’s coming and when.
Serving Campbell, CA - Our Local Coverage Area
We’re based in the Campbell 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 Campbell
Yes, and you usually don’t need to replace the door at all. We remove the old knob-set, rekey or replace the cylinder, and install an ANSI Grade 1 deadbolt above it, boring the door and reinforcing the jamb as needed. The existing door stays. A door replacement is only necessary when the door itself is cracked, rotted, or so warped it won’t seal. Call (910) 714-4287 and we’ll tell you over the phone what your door likely needs based on its age and condition.
We open most Campbell locks non-destructively. A first-tool-out drill on a 60-year-old mortise lock or knob-set can wreck hardware that should have been preserved, especially in ranch homes where the original trim has no replacement. We pick or bypass first, and we only drill when a lock is genuinely failed or frozen shut. The written quote covers the entry method before we touch the door. Call (910) 714-4287 any hour for a live answer.
You can, but you shouldn’t without checking the HOA’s key-control agreement first. Most restricted master key systems in Campbell require the HOA or its locksmith to cut keys and control the keying sequence. If you install your own lock, you may void the agreement and cut the HOA out of master access. We handle this properly: change the cylinder, reissue keys through the HOA’s existing key-control process, and keep the building’s master sequence intact. Call (910) 714-4287 with your HOA documents and we’ll lay out the options.
Usually, yes. Campbell’s overnight marine fog leaves north-facing doors damp for months, and pin-tumbler cylinders corrode and bind internally. The fix is replacing the cylinder or the entire lock, then lubricating and sealing the new hardware for coastal conditions. If the door itself is swelling, we’ll check the frame and strike plate too, because a new lock on a binding door will still bind. Call (910) 714-4287 for an exact quote and we’ll inspect the whole assembly, not just the lock.
Yes. We install and program Schlage Encode and other smart locks as part of a lock change in Campbell, and we pair them with Google Home or Apple HomeKit before we leave. We’ll also make sure the door prep is correct, which on a Campbell ranch door often means boring and reinforcing before the smart lock goes in. The programming and setup are included in the written quote. Call (910) 714-4287 and tell us what platform you use.
Written by Perry Osgood, Owner at Dunmore Locksmith, serving Campbell since 2007.