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 Sunnyvale, CA
Locksmith work in Sunnyvale, CA runs into the same two realities on nearly every job: homes built across four very different decades, and hardware that gets worked hard by busy households. You’re locked out, a deadbolt won’t turn, or you just bought a place and want every old key dead. We get it. We’re Preston Locksmith & Security, and we answer the phone live at (409) 405-4485, give you a written price before any work starts, and send a background-checked, uniformed technician with a trackable arrival time. Each of our four main Sunnyvale services has its own page linked below.
Why Sunnyvale Homes Are Different
Sunnyvale’s lock work is shaped by its housing stock more than anything else. The city has a heavy run of single-story ranch homes from the 1950s and 1960s, especially west of El Camino Real and around Ortega Park, where original hardware is often still on the doors. Those older Schlage and Kwikset deadbolts and passage sets wear differently than the hardware in the newer townhomes and apartment buildings near Lawrence Expressway or off Tasman Drive. In the 1960s ranch homes around Cherry Chase and Serra, we frequently see cylinders that haven’t been rekeyed in 15 or 20 years, with wafers worn smooth and keys that need a little jiggle in the cylinder. The newer construction in the north part of the city, by the 94089 postal zone and the Moffett Park area, runs to keypad deadbolts and higher-security commercial hardware, which is a different conversation entirely. Sunnyvale’s dry, mild climate means rusted hardware is less common than inland, but the salt air influence is negligible compared to, say, a beach town. What we do see is a lot of sun-faded, worn-down keypads and tired door hardware on west-facing entries. One more thing that changes the work: the city’s strong rental turnover near El Camino Real apartments and single-family rentals around Serra Park means landlords call us for rekeys with real urgency when a tenant moves out.
Our Main Sunnyvale Services
The two calls we get most from Sunnyvale are rekeys after move-in and deadbolt repairs on older ranch homes. Here are the four Sunnyvale pages, each covering one service in full.
Commercial Locksmith in Sunnyvale
Sunnyvale commercial work means storefronts along El Camino Real, small offices near the Caltrain station, and the larger tech and light-industrial buildings north of Highway 237 and along Kifer Road and Java Drive. This is where we service high-security cylinders from Medeco and Abloy alongside standard commercial levers and closers. We work around your hours, quote a flat per-lock price in writing, and can key multiple doors to a master system. Read the full commercial page here: Commercial Locksmith in Sunnyvale.

Rekey Locks in Sunnyvale
Rekeying, swapping the internal pins so old keys no longer work, no new hardware needed, is the most cost-effective way to reset security after a move. In Sunnyvale, that mostly means cylinder-style deadbolts and knob locks on 1950s and 1960s homes near Serra Park and Ortega Park. We rekey most standard Schlage and Kwikset locks the same day, quote a per-cylinder price in writing before we begin, and include our 365-Day Done Right Promise. See the full service: Rekey Locks in Sunnyvale.

Door Lock Repair in Sunnyvale
Door lock repair in Sunnyvale often comes down to a deadbolt that won’t throw or a latch that catches on the strike plate. With the older ranch homes west of El Camino Real, the door frames settle over decades and the alignment shifts a little. We repair the existing hardware when we can and replace it when we can’t, always with a written price first. The guarantee is simple: 365-Day Done Right Promise, and a free second visit if the repair fails. Details here: Door Lock Repair in Sunnyvale.

Residential Locksmith in Sunnyvale
Residential locksmith work in Sunnyvale covers lockouts, deadbolt installations, knob and lever replacements, and security upgrades on single-family homes, townhomes, and apartments. We stock Kwikset and Schlage hardware locally, along with Baldwin and Yale for clients who want a more finished look. Same-day scheduling is typical, and every job includes a written price before we touch a single tool. That’s the Relay Visibility Guarantee, and it’s on every Sunnyvale residential call. See Residential Locksmith in Sunnyvale.

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 Sunnyvale
We work on Medeco, Schlage, and Kwikset hardware every week in Sunnyvale, from standard residential deadbolts to high-security commercial cylinders. Common Schlage and Kwikset parts are stocked in our vans, which means most Sunnyvale repairs and rekeys finish on the first visit. For less common hardware, see our brands.
Pricing for Locksmith in Sunnyvale, CA
These are the line items Sunnyvale residents and businesses ask about most, with the ranges we quote before any work begins. The price we quote on the phone is the price on your invoice, no call-out surcharge added on arrival.
| Service | Typical range in Sunnyvale |
|---|---|
| Rekey a standard lock (per cylinder) | $20 – $35 |
| Rekey a high-security lock (per cylinder) | $35 – $65 |
| Door lock repair | $75 – $150 |
| Deadbolt installation | $95 – $180 |
| Rekey entire home (5 locks) | $100 – $175 |
| Lockout service (residential) | $75 – $150 |
| Commercial lock change (per lock) | $95 – $200 |
| Key duplication (standard key) | $3 – $8 |
What pushes a price up in Sunnyvale is usually the age of the hardware or a door frame that has settled enough to need realignment beyond the lock itself. That’s rare, but when it happens, you’ll know before we start. Every quote is written, itemized, and locked.
Neighborhoods We Serve in Sunnyvale
We cover all of Sunnyvale, from the older ranch neighborhoods to the newer townhome communities and commercial corridors. Most residential calls see a technician within 60 to 90 minutes, depending on where in the city you are.
- Serra Park
- Ortega Park
- Cherry Chase
- Sunnyvale West
- Moffett Park
Service Area – Cities Near Sunnyvale
Our Sunnyvale crews also serve the neighboring cities, so if you’re just over the line, you’re still in our area. We handle lockouts, rekeys, and door lock repairs in Mountain View, CA, Santa Clara, CA, Cupertino, CA, and Los Altos, CA. Same written-price policy applies everywhere we go.
Serving Sunnyvale, CA - Our Local Coverage Area
We’re based in the Sunnyvale 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 Sunnyvale
Most residential lockouts in Sunnyvale see a technician within 60 to 90 minutes of your call. You’ll get a live trackable arrival time the moment we dispatch, so you’re not waiting behind a four-hour window. Call (409) 405-4485 for a real ETA.
For single-family homes, no permit or HOA approval is needed to rekey or replace locks. If you’re in a Sunnyvale townhome or condo community, check your CC&Rs because some associations require you to use their key system. We can rekey to match most community master keys.
Yes. The price you get on the phone is the price on your invoice, written and itemized before any work starts. No call-out surcharge added on arrival, no bill that swells between the estimate and the final visit. That’s the Relay Visibility Guarantee, on every Sunnyvale job.
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 Sunnyvale Customers Say
"Showed me how to rekey a lock myself for the next time."
- Omar W."Commercial office lock replacement. Booked in the app, got a confirmation and a text with ETA. Quick and tidy."
- Jake L."Re-pinned the locks at our rental. Convenient and quick."
- Tina D.






