House lockouts
Re-keying
Deadbolt upgrades
Smart locks
Schlage
Kwikset
Car keys & fobsNon-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.
Get your free estimateFast, Reliable Car Key Replacement Across Los Altos
Car key replacement in Los Altos typically costs $220 – $450 for a transponder key with programming, and we complete most jobs on-site in 45 – 90 minutes. That’s the direct answer. But this town works differently than most Bay Area cities, because nearly every car sits behind a gate or inside a detached garage on a property with multiple locks and separate key schedules. We know Los Altos because we’ve cut and programmed keys off Foothill Expressway, near Rancho San Antonio, and up in the hills where driveways wind past guest units and pool houses. If you need a car key made right now, call (877) 265-4385.
Our Car Key Replacement team brings mobile equipment to your driveway, programs the transponder on-site, and verifies the key starts your vehicle before we leave. No tow. No dealership markup. No kiosk copy that fails the moment you turn the ignition.
Why Cypress Lock & Key Is Los Altos’s Preferred Car Key Replacement Company
Los Altos has almost no storefront locksmiths, and the few nearby options rarely carry the programming equipment needed for newer transponder and proximity keys. That’s why homeowners call us. We arrive with the same diagnostic and cutting tools a dealership uses, but we come to you. We work on the lock you already have, and on the key your car already expects.
Noel Carver runs Cypress Lock & Key, and he built the business around a simple problem: few locksmiths invest in the full range of key equipment, so customers get bounced between a kiosk, a hardware store, and a dealership before someone actually solves the problem. We handle it in one visit.
For Car Key Replacement in Los Altos, our technicians know the housing stock: mid-century ranch homes with original mortise locksets, newer custom rebuilds with smart locks and driveway gates, and detached garages that live on their own key schedule. That local knowledge means we show up expecting a multi-key property, not a standard lockout. You’ll get a straight answer, a fixed quote before work begins, and a key that starts your car.
Styles & brands we work with







Our Car Key Replacement Services in Los Altos
Transponder Key Replacement and Programming
Most vehicles from the last 20 years use a transponder chip embedded in the key head. Cut the key without programming that chip, and the engine immobilizer will crank but never start. We cut and program transponder keys for Toyota, Honda, Lexus, Ford, Chevy, BMW, Mercedes, and most other makes, on-site in Los Altos driveways from downtown to the 94024 foothills. A typical transponder key replacement in Los Altos runs $240 – $400, including programming.

Proximity / Smart Key and Push-to-Start Fob Replacement
Push-to-start vehicles use a proximity fob that talks to the car wirelessly. Losing one used to mean a tow to the dealership and a $500+ bill. We bring the programmer to your home, pair the new fob on-site, and verify start, lock, and trunk functions. Expect $320 – $550 depending on make and model. If your car is in a detached garage off a separate key ring, we can also rekey that garage lock to match your house while we’re there.

Non-Destructive Entry for Locked Vehicles
Locked your keys in the car? We open vehicles without damaging the door, weather stripping, or lock cylinder. This matters more in Los Altos than in other cities because so many cars sit in long driveways behind gates, where a tow truck either can’t reach or would cost a fortune. We perform non-destructive entry using long-reach tools and air wedges, then make a new key if needed. Lockout entry alone typically runs $95 – $160 in Los Altos.

On-Site Key Cutting for Garage and Gate Integration
Many Los Altos properties have a separate key for the driveway gate, the garage side door, and the house itself. We cut and program car keys while also servicing those locks, so you can consolidate everything under one master key system. One appointment. One technician. As Noel Carver puts it: moved in? changed relationships? rekeying the gate and the garage lock is the smartest $250 you’ll spend on property security.

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.
Trusted Brands We Service in Los Altos
We work across eight lock brands, from entry-level Kwikset and Schlage to high-security Abloy, Medeco, and Mul-T-Lock systems. For Los Altos car key replacement, that brand range matters. If your driveway gate uses a commercial Sargent cylinder or the side door carries a Schlage deadbolt, we can cut and program your car key and service those locks in the same visit. No bouncing between a mobile key guy and a separate lock shop.
Common Car Key Replacement Problems We See in Los Altos Homes
- Kiosk copies that fail on transponder keys. A key copied at a big-box kiosk fails to start a vehicle with a transponder key because the immobilizer chip was never programmed. The key cuts fine, the door opens, but the engine won’t start. We reprogram on-site.
- Lost key on a multi-ring property. On properties with detached garages or pool houses, the car key is often kept on a separate ring from the house keys. Lose the car key, and you’ve also lost access to the garage entry, because that side door lives on its own schedule. A house rekey alone misses that gap.
- Worn ignition or door cylinders. Older vehicles with worn pin and tumbler ignitions may accept a new key that works once, then sticks or fails to turn, because the internal wafers are too worn for a fresh cut. Drilling is often wrongly suggested when non-destructive entry and cylinder service would fix it.
- Seasonal deadbolt and strike plate drift. Los Altos’s mild, dry summers and damp winter rains cause wood doors and frames to swell and shrink. We see fall and spring calls where a house key or gate key still turns, but the door won’t unlock cleanly. When we’re out for a car key, we check those alignments and adjust strike plates on request.
Pricing for Car Key Replacement in Los Altos, CA
Here’s what car key replacement actually costs in Los Altos, because vague pricing helps nobody. A basic transponder key with programming: $240 – $400. A proximity or smart key fob with programming: $320 – $550. Non-destructive vehicle lockout entry: $95 – $160. A plain metal key cut without programming: $35 – $75. These are honest ranges for this market, not bait prices. The exact quote depends on your vehicle’s year, make, and key type, and we give you that number on the phone before anyone is dispatched. That’s the price on the invoice. No call-out surcharge added when we arrive. Call (877) 265-4385 for a free estimate.
| Service | Los Altos Price Range | Typical On-Site Time |
|---|---|---|
| Transponder key cut + programmed | $240 – $400 | 45 – 75 min |
| Proximity / smart key fob | $320 – $550 | 50 – 90 min |
| Non-destructive lockout entry | $95 – $160 | 20 – 40 min |
| Plain metal key (no transponder) | $35 – $75 | 15 – 30 min |
| Gate or garage lock rekey (add-on) | $25 – $45 per lock | 10 min per lock |
We Also Serve Cities Near Los Altos
Cypress Lock & Key handles car key replacement across the mid-Peninsula, including Los Altos Hills, Loyola, Mountain View, and Stanford. If you live just over the border in Los Altos Hills or near the Stanford campus, we service those areas with the same on-site programming equipment. Call (877) 265-4385 and we’ll confirm coverage for your street.
Serving Los Altos, CA — Our Local Coverage Area
We’re based in the Los Altos 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 – Car Key Replacement in Los Altos
Yes. We schedule by appointment for gated properties, which is how most Los Altos car key work happens anyway. We’ll need you or someone with access to the gate to let us in, or we can first service the gate lock itself if you’ve also lost that key. We’ve handled this exact scenario on University Avenue and throughout 94022 and 94024. Call (877) 265-4385 and we’ll set a window that works for you.
Yes, and this is one of the most common requests we hear in Los Altos. A single property can have five or six distinct key schedules, especially after a remodel. We cut and program your car key, then rekey the garage side door, pool house, and gate locks so everything runs on one master key system. You end up with one key that opens the gate, the house, and starts the car. That’s the kind of consolidation a kiosk copy can never offer.
Because the kiosk only duplicates the metal shape. It doesn’t read or clone the transponder chip inside the key head, and without that chip the immobilizer system blocks the engine from starting. You might unlock the door, but the car won’t run. In Los Altos, where a failed start means you’re stranded at the top of a long driveway or behind your own gate, that’s a call you don’t want to make twice. Our mobile unit cuts and programs in one stop.
No, not as a first move. We use broken-key extraction tools to pull the snapped piece out without damaging the cylinder, then we evaluate the lock. If the cylinder is worn beyond reliable service, we’ll say so and give you the replacement cost before touching it. Drilling is the last resort, never the starting point. In Los Altos we’ve extracted snapped keys from Lexus and BMW models without any door or ignition damage.
The damp winter months cause wood gates, garage frames, and door jambs to swell, which throws deadbolts and strike plates out of alignment. A key that works in the summer may stick in January, and you might think the key itself is bad. Often the key is fine; the alignment is the problem. We check lock alignment on every car key call in Los Altos and adjust strike plates at no charge for existing customers. Request it when you call (877) 265-4385.
Call Cypress Lock & Key for Car Key Replacement in Los Altos
If your car key is lost, snapped, or simply won’t program, we’ll come to your Los Altos driveway with the right equipment and a straight answer. Appointment-based service for gated and multi-key properties, one technician who handles the car key and the gate lock in a single visit, and a price you agree to on the phone before we leave our van. That’s how we work. Call (877) 265-4385 for a free estimate now.
Written by Noel Carver, Owner at Cypress Lock & Key, serving Los Altos and the mid-Peninsula.