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 Palo Alto, CA
Rekeying locks is the most common service call we handle in Palo Alto, and the reason usually comes down to one thing: this city’s housing stock was built to last. Homes in Professorville, Old Palo Alto, and Crescent Park date to the 1920s through 1950s, with original mortise locksets and solid-wood entry doors that deserve skilled handling, not a replacement. When you need a locksmith in Palo Alto who can rekey an antique cylinder rather than drill it out, call Citadel Locksmith at (833) 589-8078. We’ve served Palo Alto since 2011.
Why Palo Alto Homes Are Different
Palo Alto’s older neighborhoods present a specific set of lock conditions that a generic locksmith rarely sees. Pre-war and mid-century custom homes dominate Professorville, Old Palo Alto, and Crescent Park. The original entry doors are usually thick, solid wood, fitted with mortise locksets that were built as a single unit rather than the bored cylindrical locks found in newer construction. These locks often retain skeleton-key cylinders from the 1920s and 1930s. Homeowners in Palo Alto frequently ask us to rekey these cylinders rather than replace them, because replacement typically means enlarging the door prep and destroying period details. Matching period-correct keys and internal parts means stocking vintage hardware, which we do.
Climate also shapes the work. Mild, dry summers are easy on locks, but wet winters and coastal fog bring moisture into exterior locks and strikes. Brass and steel hardware corrodes, and wood doors swell enough to throw the latch out of alignment. A deadbolt that worked in September may bind by January. Seasonal lubrication and strike-plate adjustment are routine calls in the 94303, 94304, and 94306 ZIP codes. Add to this the growing number of new high-end rebuilds on the same lots, where homeowners pair modern smart locks on the main house with older hardware on detached garages and gates, and you get a city where one property can require fluency across a century of lock technology.
Styles & brands we work with







Our Main Palo Alto Services
Most Palo Alto callers reach us for one of two reasons: they’ve lost or damaged a car key, or they’re locked out and need help now. Both are covered below with links to their dedicated Palo Alto pages.
Car Key Replacement in Palo Alto
Car key replacement in Palo Alto has a specific rhythm. Many residents park on streets or in detached garages that date to the original home, and a lost transponder key or key fob can strand someone at home just as easily as it can in a parking lot. We cut and program replacement keys for most major makes and models on-site, avoiding dealership wait times and towing. Palo Alto’s housing mix, with older detached garages and newer smart home systems, means drivers often need a spare key that works across both the car and a manual garage lock. For a full breakdown of options, see Car Key Replacement in Palo Alto.

Emergency Locksmith in Palo Alto
An emergency locksmith call in Palo Alto often happens after dark, when a homeowner returns to find a key broken in an original mortise lock or a deadbolt that will not throw. Our emergency response covers lockouts, broken keys, and security failures on any lock type in the city, from 1920s skeleton-key cylinders to modern smart deadbolts. We come prepared for old hardware, because forcing a vintage lock can destroy a door that has been original to the house for a century. For urgent needs, see Emergency Locksmith in Palo Alto.

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 Palo Alto
Rekeying locks in Palo Alto is usually about restoring security without altering the home’s character. In Professorville and Old Palo Alto, many original 1920s mortise locks have skeleton-key cylinders that homeowners want rekeyed rather than replaced, and matching period-correct keys and parts often requires a locksmith who stocks vintage hardware. Rekeying is the fastest way to take back control of who holds a key. Whether you’ve moved into a 1930s Crescent Park home or recently finished a remodel that put keys in contractor hands, we change the internal pins and springs so old keys stop working while the original hardware stays in place. For a deeper look at the process, see Rekey Locks.
Lock Rekey
Signs you need it
You’ve moved into a new home, ended a relationship, or handed keys to contractors, cleaners, or dog walkers and lost track of how many copies exist.
What it costs in Palo Alto
Standard lock rekeying in Palo Alto typically runs $18 to $25 per cylinder in labor, plus $20 to $35 if you need new keys cut.
How we do it
We remove the cylinder, replace the internal pins and springs to match a new key, and reinstall it without altering the door or visible hardware.
Rekey Door Lock
Signs you need it
A key has been lost or stolen, or a spare key has gone missing and you no longer know who might hold a copy.
What it costs in Palo Alto
Rekeying a door lock in Palo Alto typically runs $18 to $25 per cylinder, with key cutting adding $20 to $35 depending on the type.
How we do it
We disassemble the lock, swap the pin tumblers to a new key code, and test the cylinder before confirming every old key has been rendered useless.
Keyed Alike
Signs you need it
You carry separate keys for your front door, back door, garage, and gate, and want one key to operate every lock on the property.
What it costs in Palo Alto
Keying multiple locks alike in Palo Alto runs $18 to $25 per cylinder, so a three-lock home starts around $54 to $75 in labor.
How we do it
We repin each cylinder to match a single key code, test every lock with the new key, and verify that all previous keys no longer turn.
What Rekey Locks Costs in Palo Alto
| Item | Typical range in Palo Alto |
|---|---|
| Rekey labor (per cylinder) | $18 – $25 |
| Key cutting | $20 – $35 |
| Service call / trip fee | $50 – $100 |
Is rekeying better than replacing my locks in Palo Alto?
For most Palo Alto homes, yes. Rekeying preserves original mortise locksets and solid-wood doors, especially in pre-war neighborhoods where replacement would damage period details.
How long does a rekey take in Palo Alto?
Most homes take 30 to 60 minutes depending on the number of cylinders. Call (833) 589-8078 for a specific quote based on your door count.
Brands We Service in Palo Alto
We work with the brands serious about security. In Palo Alto that means stocking parts for Kwikset and Yale cylinders found on most residential doors, plus Medeco and Baldwin hardware on higher-end and light-commercial properties. Most rekeys and repairs are completed same-day when parts are on the van. See our brands for the full roster we service.
Pricing for Locksmith in Palo Alto, CA
| Service | Typical range in Palo Alto |
|---|---|
| Rekey labor (per cylinder) | $18 – $25 |
| Key cutting | $20 – $35 |
| Service call / trip fee | $50 – $100 |
| Lock rekey (full, per cylinder including key) | $20 – $45 |
| Unlocking (lockout) | $85 – $165 |
| Deadbolt installation (labor) | $60 – $100 |
| Transponder key programming | $75 – $160 |
| Prox / key fob cutting & programming | $120 – $350 |
What pushes a Palo Alto job above the lower end is usually age: extracting a snapped skeleton key from a 1930s mortise cylinder takes more field time than a modern Kwikset rekey. You get the full price quoted on the phone before anyone is dispatched, and that is the price on the invoice. No call-out surcharge added on arrival. Call (833) 589-8078 for a free estimate.
Neighborhoods We Serve in Palo Alto
We cover every Palo Alto neighborhood and ZIP code, including 94303, 94304, 94306, and 94309. The neighborhoods below represent the range of housing stock we see most often.
- Professorville
- Old Palo Alto
- Crescent Park
- Midtown
- Barron Park
Response across Palo Alto is generally quickest in the flat central corridor from Professorville down to Midtown, with slightly longer travel to the 94303 and 94304 edges near the bay and foothills. Call (833) 589-8078 and we’ll confirm the current ETA for your location.
Service Area – Cities Near Palo Alto
Our Palo Alto customers often ask us to handle properties they own or manage in neighboring cities. We cover Stanford, CA including campus-area faculty housing, East Palo Alto, CA, West Menlo Park, CA with its wooded lots and custom estates, and Atherton, CA. One call covers your car, your home, and your emergency across this part of the Peninsula.
Serving Palo Alto, CA — Our Local Coverage Area
We’re based in the Palo Alto 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 Palo Alto
Emergency calls in Palo Alto are typically answered immediately and dispatched to your location with an ETA confirmed by phone. Central neighborhoods like Midtown and Old Palo Alto are usually reached faster than the outer edges of 94303 or 94309.
No permit is required for rekeying, lock replacement, or deadbolt installation on a residential property in Palo Alto. If you’re in a historic district, check with your HOA about hardware finishes before replacing visible exterior trim.
Yes. We cover 94303, 94304, 94306, and 94309, including all neighborhoods from the bay side through the foothills. Call (833) 589-8078 to confirm current availability for your street.
When you need a locksmith in Palo Alto who treats old doors and new security with equal skill, call Citadel Locksmith at (833) 589-8078. Fortress-level security, neighborhood-level service.
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 Palo Alto Customers Say
"Something came loose about a month after the work. Called them, and they were back out the next day and fixed it at no charge. Didn't argue, didn't try to bill me for the trip."
— Carmen Castillo"Quoted a price on the phone and honored it. After the last locksmith I called, that alone is worth a review."
— Eduardo Vargas"Rekeyed every lock in the house the day after we closed. Six doors, all matched to one key, done in about ninety minutes."
— Beatriz Martinez