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 Residential Locksmith Across Portola Valley
If you need a residential locksmith in Portola Valley, here’s the short version: we arrive in fully marked vehicles, the technician’s name and photo are sent to your phone before we knock, and the price goes in writing before any work starts. A deadbolt replacement or lock rekey in Portola Valley typically runs $85 to $240 depending on hardware grade, and we stock parts locally for same-day service. Call (910) 714-4287 and a live person answers, day or night.
We know Portola Valley not as a pin on a map but as a string of wooded lanes and steep driveways where the fog rolls in off the Santa Cruz Mountains and the ground occasionally reminds you exactly where you live. When a deadbolt stops throwing at 10 p.m. on Alpine Road or a key snaps in a Baldwin mortise cylinder off Westridge, you want someone who has worked on homes like yours before, not someone finding the street by GPS for the first time.
Why Dunmore Locksmith Is Portola Valley’s Preferred Residential Locksmith Company
Dunmore Locksmith is the Threshold Group member business serving Portola Valley, and the name is older than the company: Dunmore comes from old words for a great fort, a stronghold built to keep what is inside safe. That’s the idea we work under. We have been doing this under the Threshold Group umbrella since 2007, and every technician we send to Portola Valley is background-checked, identity-verified, and photo-badged before they ever get your address.
We operate by something called the Threshold Standard. It means three things. First, you get the technician’s name and photo before the visit, and when they arrive, they show you a photo ID badge at the door before you let them in. Second, the price is written down before any work begins, and it’s the price on the invoice. Third, every repair is covered by the 365-Day Done Right Promise: if it fails within a year, we come back and make it right at no charge. Our crews serve Portola Valley locally, with dispatch and scheduling coordinated from our Los Angeles office.
Response time to most Portola Valley addresses is 45 to 70 minutes, though a call from a hillside cul-de-sac off Portola Road after dark can push closer to 90 depending on where our nearest crew is. We’ll tell you the honest ETA on the phone, and we’ll confirm it by text when the technician is en route.
Apartment Locksmith in Portola Valley
An Apartment Locksmith in Portola Valley typically handles lock changes and rekeys for the town’s small but steady stock of multi-unit and accessory dwelling properties, including carriage houses and guest units attached to larger estate properties. The job usually means rekeying the entry cylinder to new keys, changing the deadbolt if the existing one is worn, and confirming the door closes and latches cleanly. Most apartment-style lock work in Portola Valley runs $95 to $185 per door, including the service call, labor, and new keys.
Rekeying After Tenant Turnover
When a tenant moves out of an ADU or guest unit, you can’t know how many copies of the old key are floating around. We rekey the cylinder rather than replacing the whole lock, unless the hardware is corroded beyond tolerance. The old keys die right there, and you hold every working key in your hand before we leave.
Landlord and Property Manager Coordination
We work with Portola Valley property owners who manage rental units remotely. We’ll confirm the scope in writing, send the technician’s name and photo to whoever will be on site, and email the invoice and key count summary when the job is done. No surprises on the bill, because the price was set before the first screw turned.
Lost Key Replacement in Portola Valley
Lost Key Replacement in Portola Valley means one of two things: cutting new keys from an existing copy, or rekeying the lock entirely when you have no key left to copy. If you’ve lost every key to a Schlage or Kwikset lock on your Portola Valley home, rekeying is the smarter move: new pins, new keys, and the lost key becomes useless. A full rekey with new keys typically runs $85 to $160 per lock in Portola Valley, and we can do it same-day.
When Every Key Is Gone
Can’t find any working key to the front door? Don’t panic. We disassemble the cylinder, decode or remove the pins, and rebuild it to a brand-new key. If the cylinder is too corroded to reuse, we’ll replace it with a new one that matches your existing hardware finish as closely as possible.
Car Key and House Key Mixed In
Some Portola Valley homeowners keep house keys on the same ring as car keys, and when the car key goes missing, the house key often goes with it. We recommend rekeying the house locks even if a spare key exists somewhere, because you can’t be certain the lost key won’t come back with someone who found it. The cost is low, and the alternative is leaving a working key in unknown hands.
Trusted Brands We Service in Portola Valley
We carry factory parts and cylinders for the brands most common on Portola Valley doors: Kwikset, Medeco, Yale, and Baldwin. If your home has original 1960s Schlage B-series locks, we can often repair or rekey those too, though we may recommend stepping up to a stainless ANSI Grade 1 deadbolt if the original has worn past tolerance. We stock local inventory for common residential cylinders, strike plates, and deadbolt throws, so most Portola Valley jobs are completed in one visit without waiting on a parts order.
Common Residential Locksmith Problems We See in Portola Valley Homes
- Deadbolts binding after tremors. The San Andreas Fault runs directly beneath Portola Valley, and even a small shake can rack a wood-framed door rough opening enough that the deadbolt throw no longer lines up with the strike plate. The fix is usually adjusting or relocating the strike box, not replacing the lock.
- Fog-driven corrosion on exterior hardware. Portola Valley sits in a fog-channeling gap in the Santa Cruz Mountains foothills, and the extra moisture pits exposed brass and steel on gates, keypad housings, and exterior locksets years faster than in drier valley-floor cities.
- Worn-out original hardware from the 1960s and 70s. Many Portola Valley ranch homes still have their original Schlage B-series or early Kwikset locks, and after 50-plus years the pin-tumbler internals are simply worn past smooth operation. Keys hang up, cylinders seize, and rekeying can no longer compensate.
- High-end smart-lock integration on newer builds. Some of the newer custom homes in Portola Valley run Lutron or Crestron automation, and the entry hardware has to integrate with those systems. We pair smart locks, mesh them to existing automation, and swap mechanical cylinders to maintain a physical key override.
Pricing for Residential Locksmith in Portola Valley, CA
A standard deadbolt replacement in Portola Valley runs $110 to $240 installed, depending on whether you choose a basic Grade 3 lock or a stainless Grade 1 unit that holds up better on foggy hillside lots. Rekeying a single knob or deadbolt runs $85 to $160, and rekeying multiple locks to one key cuts the per-lock cost. A residential lockout service call is $75 to $130, and lost-key replacement runs $85 to $160 per cylinder. These are the prices we quote on the phone before anyone is dispatched, and the price we write down before work starts is the price on your invoice. No call-out surcharge added on arrival. Call (910) 714-4287 for a free estimate.
We Also Serve Cities Near Portola Valley
If you live in Stanford, Menlo Park, Los Altos, or Atherton, our Residential Locksmith team covers those areas with the same written-price commitment and same-day scheduling. You can learn more about our local coverage on our Portola Valley page or call us directly to describe what you’re dealing with.
Serving Portola Valley, CA - Our Local Coverage Area
We’re based in the Portola Valley 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 Residential Locksmith in Portola Valley
Probably not. The San Andreas Fault runs directly beneath Portola Valley, and when a tremor racks the wood door frame out of square, the deadbolt throw no longer lines up with the strike plate. The fix is usually adjusting or relocating the strike plate, not replacing the lock itself. Call (910) 714-4287 and we’ll diagnose it on site before recommending any parts.
Faster than you’d expect, no. The fog channel through the Santa Cruz Mountains foothills puts extra moisture on exterior hardware, and standard brass will pit and seize years faster than it would in Palo Alto or Redwood City. We recommend stainless or marine-grade hardware for exterior gates and locksets in Portola Valley, and we stock those finishes locally.
If the cylinder is still in tolerance, yes, we rekey the existing lock to new keys and reuse the hardware. If the cylinder has seized from corrosion or the pin chambers are worn oval, rekeying won’t hold, and replacing the cylinder or the entire lock is the honest fix. We’ll show you the wear before you pay for anything.
Rekey every exterior lock to a single new key. You likely have original Schlage B-series or early Kwikset hardware on a 1960s or 70s ranch, and decades of keys have come and gone with contractors, caretakers, and previous owners. A full rekey to one new key runs $85 to $160 per lock in Portola Valley, and you walk away holding every key that opens the house. Call (910) 714-4287 to schedule it.
Yes. We pair smart locks to Crestron and Lutron automation panels, maintain the physical key override, and swap mechanical cylinders when needed. The smart hardware on these newer custom builds still sits in the same fog and on the same fault line as everything else in Portola Valley, so we also check the door alignment and strike plate while we’re there.
We were called out to a 1960s single-story ranch on a wooded lot off Portola Road where a recent small tremor had racked the entry door frame enough that the original Schlage B-series deadbolt would no longer throw. We removed the OEM strike plate, plugged and relocated the strike box in the already maxed-out hardwood jamb, and fitted a stainless ANSI Grade 1 strike so the door locked cleanly without touching the door slab. The homeowner then asked us to re-key the matching Kwikset knobs to a single key while we were on site. That’s a typical Portola Valley call for us: one problem caused by the fault line, one fix, and a good reason to consolidate keys while we’re there.
If you need a residential locksmith in Portola Valley, call (910) 714-4287 for a free estimate. The price is written before work starts, the technician’s name and photo are sent to your phone before the visit, and every repair is covered by our 365-Day Done Right Promise. A live person answers the phone, any hour of the day.
Written by Perry Osgood, Owner at Dunmore Locksmith, serving Portola Valley with residential locksmith services through the Threshold Group family.






