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 Rekey Locks Across Cupertino
A rekey in Cupertino usually runs $95 to $160 for a standard single-cylinder deadbolt or knob, plus $25 to $45 per additional cylinder, and is done in about 20 to 40 minutes on site. The work means swapping the internal pins inside your existing lock so every old key stops turning, while the hardware stays on the door. If you’ve just closed on a home off Stevens Creek Boulevard, fired a contractor who still has a key, or lost track of who’s holding copies to your front door, call (956) 275-7388 and we’ll give you a written price before anyone is dispatched.
Most calls we take in Cupertino are from people who need certainty: a price that won’t move at the door, a technician who shows up in a uniform with a background check on file, and a written guarantee on the work. That’s how Ridley Locksmith & Security operates, and it’s why homeowners in Garden Gate, Monta Vista, and the newer builds near Rancho Rinconada call us instead of rolling the dice with a call center. We serve Cupertino from our Bay Area dispatch office, and our local technicians know the housing stock here well enough to quote accurately over the phone.
Why Ridley Locksmith & Security Is Cupertino’s Preferred Rekey Locks Company
Ridley Locksmith & Security is part of the Garrison Partners family, operating to The Garrison Standard since 2007. Every technician we send into Cupertino carries that standard with them: a written price before any work starts, a written guarantee covering the repair for one full year, and a professional uniform with identification you can verify at the door. Drew Kowalski runs our operation, and he holds every job to the same code he would want on his own front door.
Cupertino customers tend to ask the same three questions before they let us touch a lock. Is the price you quote on the phone the final price? Yes, and it’s delivered in writing before work begins. Are your technicians background-checked? Every one, on every residential and commercial call, no subcontractors and no unmarked vans. What if the rekey fails? That’s covered by the 365-Day Done Right Promise. If the work isn’t right inside a full year, we come back and make it right at no charge. No fine print, no argument.
We understand the local landscape because we work it daily. The homes off Bollinger Road, the condos near De Anza College, the Eichler tracts around Garden Gate, and the high-security rebuilds in Monta Vista all present different hardware challenges. A 1968 Schlage deadbolt and a 2022 Medeco cylinder are not the same job, even though both are “rekeys.” Our Rekey Locks team prices by cylinder and keyway, not by a flat house rate that doesn’t match what’s actually on your door.
Rekey House in Cupertino
A Rekey House job in Cupertino means changing the internal pins in every lock cylinder across your home so that one new key operates all of them and every old key goes dead. We see this request constantly from buyers closing on 1960s and 70s homes in the Garden Gate and Rancho Rinconada neighborhoods, where sellers often handed out keys to cleaners, contractors, dog walkers, and neighbors over the decades. A full-house rekey in Cupertino with four to six cylinders typically runs $220 to $400, depending on how many cylinders you have and whether any need replacement due to wear.
What the Job Actually Involves
We remove each cylinder from the lock, replace the pin stack inside with a new configuration matched to a new key, and reinstall the cylinder. Your hardware doesn’t change. The deadbolt, knob, or lever stays exactly where it is. What changes is that every key cut to the old configuration stops working immediately, including any copies the previous owner forgot to mention.
Common Triggers for a House Rekey
The most frequent trigger in Cupertino is a real estate closing. After the keys change hands legally, they should change mechanically too. Another common trigger is a tenant move-out, especially in the smaller rental stock near De Anza College and along Homestead Road. One flat rate per cylinder means you pay for what’s actually on the door, not what a call center assumed you had.
Lock Rekey in Cupertino
A Lock Rekey in Cupertino is a single-cylinder job: one deadbolt, one knob, or one patio door cylinder re-pinned so the old key no longer works and a new key takes its place. This is what you need if you’ve lost one key, fired one contractor, or discovered that a key you thought was limited actually opens a side gate or garage entry too. A single cylinder rekey in Cupertino runs $95 to $160, and the job is finished in about half an hour on site.
Single-Cylinder vs. Full-House Pricing
A single lock rekey costs more per cylinder than a full-house rekey because there’s a baseline trip and labor component to every call. If you’re already paying for us to be at your home, rekeying four or five cylinders at once brings the per-cylinder cost down significantly. We’ll tell you this on the phone and give you both numbers in writing before you commit.
When a Lock Rekey Isn’t Enough
Sometimes the cylinder itself is too worn to re-pin cleanly. That’s more common in older Cupertino tract homes where the original Schlage or Kwikset sets have been in service since the 1960s. We check the cylinder before we start and tell you up front if replacement is smarter than re-pinning. You’ll know the price either way before we turn a screwdriver.
Trusted Brands We Service in Cupertino
We work on the hardware Cupertino homes actually use. Older Eichler-era and 1960s-70s tracts are heavy on original Schlage and Kwikset pin-and-tumbler sets, while newer rebuilds in Monta Vista and around the foothills run Medeco high-security cylinders, Mul-T-Lock systems, and Yale smart-lock hardware. Our technicians carry pins, cylinders, and key blanks for all of these, so a rekey doesn’t stall because a part has to be ordered from somewhere else. We stock common Schlage and Kwikset keyways on the truck for same-day jobs across Cupertino, and we’re certified on high-security lines including Medeco, Mul-T-Lock, Abloy, and Sargent.
Common Rekey Locks Problems We See in Cupertino Homes
- The one-key tract house. Cupertino has a large stock of 1960s and 70s homes where a single keyway was used across the front door, patio sliders, and side gate. Rekeying “one lock” often means the owner doesn’t realize every other lock on the property uses the same key until we point it out. We recommend rekeying all of them at once so the old key truly goes dead everywhere.
- Worn pin-and-tumbler sets that won’t re-pin cleanly. A 50-year-old Schlage cylinder can be too worn to accept new pins without sticking or failing. When that happens, we replace the cylinder and keep the original hardware, rather than drilling or forcing pins that will fail in six months.
- Mixed hardware from previous partial upgrades. We regularly see Cupertino homes where a builder rekeyed the front door but left the back doors and garage entries on an older keyway. That means someone out there still has a working key to a secondary entry. A per-cylinder audit catches this before it becomes a break-in.
- High-security cylinders that standard locksmiths won’t touch. Newer Cupertino rebuilds often have Medeco or Mul-T-Lock cylinders, and those require security card keys and proprietary pins that a generalist shop can’t service. We’re certified on those lines, so a high-security rekey is routine for us rather than a reason to drill out and downgrade your hardware.
Pricing for Rekey Locks in Cupertino, CA
We Also Serve Cities Near Cupertino
Along with Cupertino, our local technicians cover Saratoga, Sunnyvale, Mountain View, and Santa Clara. If you’re near the border, you’re still in our service area, and the same written price and one-year guarantee apply.
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 Rekey Locks in Cupertino
Do you give me the full price for a Cupertino rekey before you send anyone out?
Yes. Every Cupertino rekey job gets a written price before anyone is dispatched, and that price includes all labor, pins, and key blanks for the cylinders described on the phone. If we arrive and the hardware matches what you described, the price doesn’t change. If we find additional cylinders or a different keyway, we show you a revised written price before touching any lock. Call (956) 275-7388 for an exact quote; estimates are free.
My Cupertino house is a 1960s tract home with one key that opens everything – can you keep that, or do you have to rekey each lock separately?
We can absolutely keep it. That’s called a keyed-alike system, and it was the standard in Cupertino’s 1960s and 70s Eichler-era tracts. We re-pin each cylinder to a new key so that one key still opens every lock, but the old builder key goes dead everywhere. The cost is per cylinder, not per keyway, so a four-lock keyed-alike rekey runs about the same as any other four-lock house rekey in Cupertino.
Will a rekey actually stop the old keys from working, or do I need new locks?
A rekey stops every key cut to the old pin configuration from turning the lock. The key is physically incompatible with the new pins inside the cylinder. You don’t need new locks unless the hardware itself is broken, worn to the point of failure, or you want a different finish or security grade. We’ll tell you on site if replacement makes more sense than re-pinning, and you’ll see that price in writing before we proceed.
What do you mean by verifiable proof on the doorstep in Cupertino?
When our technician arrives at your Cupertino home, they hand you identification, show their California locksmith credentials, and arrive in a marked company vehicle with a Ridley uniform and a background check on file. You confirm who they are before they touch your door. No subcontractors, no unmarked vans, no one who can’t produce ID. That’s part of The Garrison Code, and it’s non-negotiable on every job we run in Cupertino.
Do you rekey high-security cylinders like Medeco, Mul-T-Lock, Abloy, or Sargent, or only standard residential brands?
We rekey all of them, including Medeco, Mul-T-Lock, Abloy, and Sargent, alongside standard residential lines from Schlage, Kwikset, Yale, and Baldwin. High-security rekeys cost more per cylinder because the pins and key blanks are proprietary and controlled, but they’re routine work for our team. Cupertino’s newer builds in Monta Vista and the foothill areas frequently run these systems, and we service them without drilling or downgrading. Call (956) 275-7388 and tell us what’s on your door; we’ll quote it correctly the first time.
Written by Drew Kowalski, Owner at Ridley Locksmith & Security, serving Cupertino under The Garrison Standard since 2007.







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