Smart locks
House lockouts
Re-keying
Deadbolt upgrades
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 estimateLocksmith in Los Altos, CA
Most locksmith calls in Los Altos aren’t break-in emergencies. They’re rekeying jobs on 1950s and 1960s ranch homes that just changed hands, or hardware upgrades on houses where the original mortise locksets predate the current owners by decades. Citadel Locksmith has served Los Altos since 2011, and our work here skews heavily toward rekeying, lock matching, and car key replacement across ZIP codes 94022, 94023, and 94024. Call (833) 589-8078 and you’ll get a locksmith who knows the difference between a Los Altos rekey and a standard one.
Why Los Altos Homes Are Different
Los Altos is a high-value, low-turnover Silicon Valley suburb where most locksmith work is trust-driven and appointment-based, not the frantic emergency-response pattern you see in denser cities. Homes here are overwhelmingly 1950s through 1970s single-story California ranches on large lots, many remodeled with additions, plus newer custom builds in the same footprint. That means a typical Los Altos house carries a mix of original mortise locksets, builder-grade knobs from various eras, and modern deadbolts installed during remodels. Rekeying after a real-estate closing is the single most common job we do here, and it often means bringing a scattered hardware collection onto one key.
The climate plays a quiet role too. Los Altos has a mild, dry Mediterranean pattern with no freeze-thaw cycle, so weather-related lock failure is rare. What we do see is summer dust and oak pollen gumming up exterior locks and hinges on older homes. In downtown-adjacent neighborhoods like Old Los Altos and the streets off Main Street, original mid-century front doors often have narrow-backset mortise locks that can’t be swapped for off-the-shelf deadbolts without door prep. That’s a job a locksmith with local experience quotes differently than a standard rekey, and it’s part of why Los Altos work rewards someone who’s seen it before.
Styles & brands we work with







Our Main Los Altos Services
Two services account for the bulk of what Los Altos homeowners call us about: rekeying after a move or a key-handoff change, and car key replacement when a dealer quote feels unreasonable. Both are covered in depth below.
Car Key Replacement in Los Altos
Los Altos driveways hold a lot of late-model vehicles with transponder keys and push-button starts, and losing the last working key is a problem that doesn’t respect business hours. We cut and program replacement keys on-site for most makes, usually same day, without the dealership tow and the dealership markup. For a deeper look at how this works in Los Altos and what it costs, see Car Key Replacement in Los Altos.

Emergency Locksmith in Los Altos
A lockout at midnight in Los Altos feels different than one downtown. Streets are quiet, lots are large, and the nearest open hardware store isn’t around the corner. Our emergency response covers residential lockouts, broken-key extractions, and failed deadbolt situations, with the same security-grade hardware knowledge we bring to scheduled work. Details and availability are on Emergency Locksmith in Los Altos.

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.
Rekey Locks in Los Altos
Rekeying in Los Altos usually means one of two things: a house just closed escrow and the new owners want every exterior lock working off a single fresh key, or a homeowner realized they’ve lost track of who holds copies. The housing stock here makes this more involved than it sounds. A 1960s ranch on a Los Altos lot might have a Schlage deadbolt on the front door, a Kwikset knob on the garage entry, and an original mortise lockset on a side door, and all of them need to agree on one key. That’s standard work for us, and it’s the fastest way to take back control of who holds a key to your home. For more background on the service itself, see Rekey Locks.
Lock Rekey
Signs you need it
You just moved into a new home, you’ve lost a key you can’t account for, or you’ve had a falling-out with someone who once had access.
What it costs in Los Altos
Residential lock rekeying in Los Altos typically runs $75 to $160 per cylinder, with most homes needing two to four cylinders done.
How we do it
We disassemble each lock, swap the internal pins to match a new key, reassemble, and test every cylinder on the door, not on a bench.
Rekey Door Lock
Signs you need it
Your home has mismatched hardware where the front door, back door, and garage each take a different key and you want a single key to work everywhere.
What it costs in Los Altos
Rekeying an entry door lock in Los Altos usually falls between $75 and $160 per cylinder, including the new keys.
How we do it
We match the pins across every door so one key operates all of them, replacing any worn or damaged cylinders as needed.
What Rekey Locks Costs in Los Altos
| Item | Typical range in Los Altos |
|---|---|
| Single cylinder rekey (standard pin-tumbler) | $75 – $160 |
| High-security cylinder rekey (Medeco, Mul-T-Lock) | $120 – $250 |
| Mortise lockset rekey (mid-century Los Altos doors) | $110 – $220 |
How long does rekeying take in Los Altos?
A typical three-door Los Altos ranch rekey takes 45 to 90 minutes on site. We quote the full price before we start, and the price you hear on the phone is the price on the invoice.
Can you rekey a mortise lock on an older Los Altos home?
Yes. Original mid-century mortise locksets are common here, and we rekey them regularly. Call (833) 589-8078 with a photo of your lock and we’ll give you an exact quote.
Brands We Service in Los Altos
We work across the full security spectrum, from the Schlage and Kwikset hardware you’ll find on most Los Altos homes to high-security cylinders from Medeco and Abloy that require specialized training and tools. We stock common Schlage and Kwikset pin kits locally, and can source Medeco and Abloy components quickly for Los Altos jobs. See our brands for the full roster.
Pricing for Locksmith in Los Altos, CA
| Service | Typical range in Los Altos |
|---|---|
| Residential lock rekey (per cylinder) | $75 – $160 |
| High-security cylinder rekey (Medeco, Mul-T-Lock) | $120 – $250 |
| Mortise lockset rekey | $110 – $220 |
| Lock replacement (standard deadbolt, parts and labor) | $120 – $300 |
| High-security deadbolt installation | $250 – $550 |
| Car key replacement (basic flat key) | $120 – $250 |
| Transponder key replacement | $180 – $400 |
| Push-to-start key fob replacement | $250 – $650 |
Los Altos prices run toward the upper end of these ranges on mid-century homes with narrow-backset mortise locks or original hardware that needs extra fitting. Whatever the job, we quote the full price on the phone before anyone is dispatched, and that’s the price on the invoice, no call-out surcharge added on arrival.
Neighborhoods We Serve in Los Altos
We work across all of Los Altos, from the tree-lined streets of Old Los Altos near Main Street to the larger lots in the hills and the newer builds mixed into older blocks. Our response window for most non-emergency appointments in Los Altos is same-day or next-day, and emergency calls are prioritized as they come in.
- Old Los Altos
- North Los Altos
- South Los Altos
- The Highlands
- Los Altos Hills border streets
Service Area – Cities Near Los Altos
Citadel Locksmith covers Los Altos and the surrounding Silicon Valley communities. We regularly handle rekeying and lock work in Los Altos Hills, CA, Loyola, CA, Mountain View, CA, and Stanford, CA, where the housing stock and lock hardware follow similar patterns. Call (833) 589-8078 and we’ll route you to the closest available locksmith.
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 About Locksmith in Los Altos
Yes. We quote the full job price before anyone is dispatched to Los Altos, and that is what goes on the invoice. There is no call-out surcharge added on arrival, and if the scope changes after we see the lock, we tell you the new number before doing the work.
Rekeying existing locks never requires a permit or HOA approval in Los Altos. If you’re changing exterior hardware on a home in a neighborhood with architectural review, like parts of Old Los Altos, the rules apply to visible hardware changes, not to rekeying the cylinders.
For scheduled rekeying and lock work, we usually offer same-day or next-day appointments in Los Altos. For lockouts and emergencies, we route the nearest available locksmith immediately. Call (833) 589-8078 and we’ll give you a straight answer on timing.
Fortress-level security, neighborhood-level service. Call Citadel Locksmith at (833) 589-8078 for a free estimate on rekeying, car key replacement, or any lock work in Los Altos.
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 Los Altos Customers Say
"Does good work. Card payment was a bit of a production, so have another option handy."
— Norma Herrera"Programmed a transponder key for a 2014 model that the dealership wanted an absurd amount for. Same key, fraction of the price, took him twenty minutes in my driveway."
— Grace Lin"Locked out at eleven at night with a kid asleep in the car. He was there in 25 minutes, had the door open in under two, and did not do the thing where the price goes up once he's standing in front of you."
— Greg Lawson