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.
Locksmith in Cupertino, CA
If you need a locksmith in Cupertino, you should know two things up front: most local homes were built between the late 1950s and early 1980s with original builder-grade hardware still on solid-core wood doors, and Cupertino’s dry summers followed by wet winters make that hardware shift, swell, and stick in ways unique to this part of the Santa Clara Valley. Rekeying a standard knob lock here typically runs $95 – $160, and a full lock change with new deadbolt starts around $150 – $275 depending on hardware. Both jobs are usually completed the same day.
Call Dunmore Locksmith at (910) 714-4287 and you’ll get a written price before anyone is dispatched, plus a 365-day guarantee on the work.
Why Cupertino Homes Are Different
Cupertino’s housing stock tells a very specific story. The classic ranch-style and split-level tract homes in Rancho Rinconada and Monta Vista were built with quality framing but entry-level lock hardware: polished brass knobs, simple deadbolts, and strike plates screwed into soft door frames. Sixty years later, many of those original locks are still on the doors, and the solid-core wood slabs they sit in have moved. A deadbolt that throws perfectly in July may drag against the strike plate by February. We see that seasonal cycle constantly.
The climate drives most non-lockout calls here. Cupertino gets almost no freezing weather, so we rarely deal with ice-jammed cylinders or snapped keys from cold. Instead, the dry Mediterranean summers pull moisture out of door slabs and frames, and the winter rains push it back in. Latch drag, deadbolt-throw misalignment, and doors that no longer close without a shoulder against them are the city’s signature repair jobs. Homes near the Stevens Creek corridor, including newer townhome and condo clusters, add multi-unit master-key and electronic access control work to the mix, with HOAs that often require keyed-alike hardware and documented key control.
Our Main Cupertino Services
Most Cupertino homeowners call us for one of two reasons: a lock that has stopped working reliably, or a decision to rekey or replace the locks on a home they just bought or renovated. The three services below cover those calls, and the fourth covers the commercial work we do for shops, offices, and HOA properties around the city.
Residential Locksmith in Cupertino
A residential locksmith call in Cupertino usually starts with one specific problem: a lock that won’t turn, a key that snapped, or a new homeowner who doesn’t know how many old keys are still floating around. We rekey locks by changing the internal pins so old keys no longer work, install new deadbolts and knobs, and retrofit aging single-cylinder locks with modern high-security hardware. The original hardware on many Monta Vista ranch homes predates today’s bump-key and pick-resistant standards, so we commonly replace those cylinders with Schlage and Kwikset options that hold up to the seasonal wood movement here. Each job gets a written price before we start, and every repair carries our 365-day guarantee.
See our full Residential Locksmith in Cupertino page for pricing and details.

Door Lock Repair in Cupertino
Door lock repair in Cupertino is most often a misalignment issue, not a broken lock. The door slab or frame has moved with the seasons, and the deadbolt no longer lines up with the strike plate. We realign the throw, re-mortise the strike plate or lip plate, tighten loose hardware, and lubricate the cylinder. When a lock component has actually failed, we replace the cylinder, latch, or deadbolt mechanism itself. On older homes, we often find the strike plate screws are less than an inch long and threaded into soft framing; we replace them with reinforced plates and 3-inch screws so the door resists a forced entry. Faulty hardware is fixed or replaced under our 365-day Done Right Promise.
See our Door Lock Repair in Cupertino page for full repair details.

Change Door Locks in Cupertino
Changing door locks in Cupertino usually follows one of three events: a home purchase, a tenant turnover, or a security upgrade. We replace the existing hardware with new knobs, levers, and deadbolts, or rekey existing cylinders so old keys stop working. Because Cupertino has such a high concentration of Apple employees and tech-industry homeowners, we regularly install smart locks like Schlage Encode Plus and August Smart Lock Pro, configured with Apple HomeKit and the Apple Home app during the visit. Homeowners considering a full hardware change should factor in the door’s condition: older solid-core slabs often need strike-plate reinforcement at the same time. Every change lock job includes a written price before work begins.
See our Change Door Locks in Cupertino page for hardware options and pricing.

Commercial Locksmith in Cupertino
Commercial locksmith work in Cupertino covers retail storefronts, medical and dental offices, professional suites, and HOA common areas, especially along the Stevens Creek and De Anza Boulevard corridors. Jobs include master-key system design, access control, exit devices, and high-security cylinder work. Many commercial properties here practice key control, where keys are patented and can’t be duplicated without authorization, and we install and service Medeco, Abloy, and Mul-T-Lock systems for that purpose. Commercial jobs are surveyed and quoted in writing before work starts, with no dispatch-time pricing. If your business needs a flat per-lock proposal and documented key control, we walk the site and provide one.
See our Commercial Locksmith in Cupertino page for a detailed breakdown.

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.
Brands We Service in Cupertino
We service and install Schlage, Kwikset, Medeco, and Abloy hardware throughout Cupertino. Common residential cylinders and Schlage Encode Plus smart locks are typically stocked locally, so we can complete most replacements in a single visit. For specialty Medeco or Abloy cylinders, we order and schedule the follow-up installation at no added dispatch fee.
More detail is on our brands page.
Pricing for Locksmith in Cupertino, CA
Here are the typical price ranges you can expect in Cupertino, including the technician’s time and standard hardware for each job. The exact quote depends on your lock type, door condition, and hardware selection.
| Service | Typical range in Cupertino |
|---|---|
| Rekey a standard knob lock | $95 – $160 |
| Rekey a deadbolt | $40 – $70 per cylinder |
| Change door locks (new knob or deadbolt, standard hardware) | $150 – $275 |
| Full lock change with new deadbolt and lever | $200 – $350 |
| Lockout service, standard residential door | $85 – $150 |
| Smart lock installation (Schlage Encode Plus, August Smart Lock Pro) | $180 – $300 plus hardware |
| Door lock repair (alignment, latch, or strike plate) | $85 – $185 |
| Commercial high-security cylinder install (Medeco, Abloy) | $150 – $325 per door |
| Master-key system setup | Quoted per site |
What pushes a Cupertino quote higher is the condition of the door itself: a warped frame, a poorly bored hole from a previous hardware swap, or a mortise pocket cut for a different brand. We put the full price in writing before any work starts, and that is the price on the invoice no surprise totals after the fact.
Neighborhoods We Serve in Cupertino
We cover all of Cupertino, including the neighborhoods and clusters below. Our typical response across the city is under 30 minutes during the day, and our live dispatch line answers 24/7 for night lockouts or urgent repair calls.
- Rancho Rinconada
- Monta Vista
- Stevens Creek corridor
- De Anza Boulevard area
- Cupertino city center
Service Area – Cities Near Cupertino
While this page focuses on Cupertino, our crews also serve the surrounding cities in the South Bay and Peninsula. If you’re in Saratoga, CA, Sunnyvale, CA, Mountain View, CA, or Santa Clara, CA, each has its own page with local pricing, housing details, and service notes.
Serving Cupertino, CA - Our Local Coverage Area
We’re based in the Cupertino 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 Locksmith in Cupertino
Most non-commercial jobs are reached in under 30 minutes during the day. Night lockouts and urgent repair calls go through the same live dispatch line at any hour, and the phone is answered by a real person, not a recording. We never route calls to a call center.
It depends on the association. Some Stevens Creek corridor HOAs require matching hardware or keyed-alike systems on common doors. We review your HOA’s lock and key policy before quoting, and provide the documentation most boards ask for. The price is always written before work starts.
Yes. The quote we give you before dispatch is the written price you’ll see before any tool touches your door, and that same figure is the total on the invoice. No call-out surcharge is added on arrival, no parts markup appears later.
Contact Dunmore Locksmith in Cupertino
Perry Osgood leads the Dunmore team serving Cupertino with the same standard applied at every Threshold Group property: background-checked, identity-verified technicians, written pricing before any work starts, and a 365-Day Done Right Promise in writing on every job. Call (910) 714-4287 for a free estimate, any hour of the day.
What happens when you call
- 1A real person answersNo phone trees - talk to a local locksmith pro.
- 2You get an upfront price rangeHonest numbers before anyone is dispatched. No surprises.
- 3We come out and measureLicensed & insured, at a time that suits you - the visit and the quote are both free.
- 4You get the price in writingLine-itemed, yours to keep, and nothing starts until you say go.
What Cupertino Customers Say
"Deadbolt on the front door was sticking and wouldn't throw all the way. He cleaned it, adjusted the strike plate, and it works smoothly now. Charged very little."
- Victor S."The fact that he was background checked and carried ID made me comfortable letting him into the home. Changed out two worn deadbolts for new grade 1 ones."
- Brenda Z."We moved into a new house and wanted to know nobody else had a key. He rekeyed every exterior door and showed me how the pins work. Clear and patient."
- Anita P.






