Residential Locksmith in Redwood City, CA | Blackthorn Locksmith & Security - Blackthorn Locksmith & Security

Residential Locksmith in Redwood City - Fast Local Locksmiths, Priced Up Front

You get the full price before we set off, and that is the number on the invoice. Licensed, insured, background-checked locksmiths covering the whole area.

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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.

Styles & brands we work with

House lockouts
House lockouts
Re-keying
Re-keying
Deadbolt upgrades
Deadbolt upgrades
Smart locks
Smart locks
Schlage
Schlage
Kwikset
Kwikset
Car keys & fobs
Car keys & fobs

Fast, Reliable Residential Locksmith Across Redwood City

A residential locksmith in Redwood City typically charges $95-$220 for a lock rekey and $140-$340 for a full deadbolt replacement, with most jobs completed the same day. Our technicians know Redwood City’s neighborhoods, from the historic downtown streets to the waterfront corridors, and we arrive ready for whatever lock hardware your home has. Call (818) 390-9007 and a live person answers, 24 hours a day, every day.

Call (818) 390-9007

Redwood City isn’t one kind of housing. It’s a place where a 1910 craftsman bungalow on a downtown side street sits three blocks from a 2019 apartment building full of tech workers, and where a mid-century ranch in Friendly Acres needs something entirely different from a condo near the Port of Redwood City. We carry hardware and tools for all of it, and we don’t send a generic technician who’s never worked the area. Every crew member is background-checked and uniformed, and every job starts with a written price before any work begins. That’s the Residential Locksmith standard we hold across every home we service.

Why Blackthorn Locksmith & Security Is Redwood City’s Preferred Residential Locksmith Company

Redwood City homeowners call us because we treat the job the way they’d treat it themselves. We put shoe covers on at the door, lay drop cloths where we work, and send a photo of the cleanup before we leave. Not as an upgrade. It’s the Cedarwell Care Promise, and it’s in writing on every visit. The C.A.R.E. values we work by are simple: Clean up like it’s our own home, Ask before we move or touch anything, Respect your time and quiet hours, and Explain the price before the work.

Homeowners across Redwood City, especially families with young children and pets, tell us the same thing: they’ve been burned by trades who left a mess or sprang a surprise charge on them. We answer that by putting the price in writing before a single tool comes out, and making that written price the price on the invoice. No verbal estimates, no call-out surcharge added when the technician arrives. The 365-Day Done Right Promise backs every completed job. If it isn’t done right, we make it right, and that promise covers every residential job, our Commercial Locksmith in Redwood City work, and access-control job we do.

Our Redwood City customers also appreciate that dispatch is coordinated from our San Francisco Bay Area office, with crews positioned to serve Redwood City directly. Shane Delaney has built Blackthorn Locksmith & Security since 2008 around a simple idea: a lock is protection, and so is knowing exactly who’s at your door and what they’ll charge. Blackthorn hedges were planted around homes for the same reason.

Lock Rekey in Redwood City

Lock rekey in Redwood City means changing the internal pins and springs inside your existing lock cylinder so the old keys stop working, while the hardware stays exactly where it is. It’s the fastest, most economical way to restore security after you move into a new home, after a tenant moves out, or after you lose a key. In Redwood City, a standard residential rekey runs $95-$185 per lock cylinder, and most homes with two or three entry doors are done in under two hours.

Rekeying After Tenant Turnover

Redwood City’s apartment and condo buildings near the tech corridor see constant turnover, and a rekey between tenants is the single most important move a landlord can make. We rekey to the building’s master key system where one exists, or to a fresh key if you’re the owner. The written price covers the cylinder, new keys, and cleanup before we leave.

When You Just Moved In

A new house in Woodside Plaza or a condo downtown means you have no idea how many copies of the old key are floating around. Rekeying every entry lock on day one costs less than a single deadbolt replacement and closes that gap permanently. We also recommend it after any contractor, cleaner, or pet sitter has held a key for any length of time.

Door Lock Repair in Redwood City

Door lock repair in Redwood City covers everything from a sticking deadbolt to a key that turns the cylinder but won’t retract the latch, to hardware that’s simply worn out after decades on a craftsman bungalow near downtown. Typical repair work runs $120-$280, including parts and labor, and we always write the exact price before starting. If a lock is beyond sensible repair, we’ll quote a replacement and show you the comparison on the spot.

Mortise Locks on Older Downtown Homes

Many early-1900s homes near Redwood City’s historic downtown still carry their original mortise locksets, built into the door edge rather than bored through the face. These aren’t failures, they’re just old. Instead of cutting into the door to fit a modern deadbolt, we rebuild the mortise lock with new parts, restoring the original function and keeping the door’s historic look intact.

Salt-Air Corrosion on Waterfront Hardware

If your deadbolt is sticking and you live within a half-mile of Seaport Boulevard or the Port of Redwood City, the culprit is almost always internal corrosion. Salt-laden bay air seizes pins and cylinders from the inside out, and the fix is penetrating lubricant and fresh pins, not a whole new lockset. This is a failure mode we see constantly in Redwood City but almost never a mile inland in San Carlos or Menlo Park.

Trusted Brands We Service in Redwood City

We carry and install hardware from Kwikset, Yale, Medeco, Baldwin, and others, from entry-level residential locksets to certified high-security cylinders. That matters in Redwood City specifically because your neighborhood’s housing stock determines your hardware: a mid-century ranch in Friendly Acres often has Kwikset from the 1990s, while condos and newer apartment buildings near Woodside Plaza increasingly use Medeco or Mul-T-Lock for restricted key control. We stock local parts and pinning kits for all of them, so most repairs are completed in one visit.

Common Residential Locksmith Problems We See in Redwood City Homes

Lock problems in Redwood City are shaped by where your home sits. These are the patterns we see week after week.

  • Salt-air corrosion near the port. Deadbolts and padlocks within a half-mile of the Port of Redwood City seize internally within a single season as bay air corrodes brass and zinc pins. Keys stick, break off, or won’t turn at all, and the fix is cylinder replacement or penetrating lubricant and new pins.
  • Original mortise locks on downtown craftsman and Victorian homes. These 100-year-old locksets need rebuilding, not replacement, and a generic locksmith who cuts into the door frame to fit a modern deadbolt damages a door edge that was never meant to carry that load. We rebuild mortise locks with new parts and keep your door original.
  • Restricted key systems compromised by a single copied key. In high-turnover apartment and condo buildings near the tech corridor, one tenant copying a restricted key creates a building-wide security gap. We rekey the entire system and run a key control audit so property managers know exactly how many keys exist and who holds them.
  • Worn latch hardware on 1950s-60s ranch homes. Friendly Acres and mid-century Redwood City neighborhoods have latch hardware that’s simply fatigued after 60 years of use. The door swings open when it shouldn’t, or the latch won’t catch. Replacing the latch assembly restores a positive close and eliminates drafts.

Pricing for Residential Locksmith in Redwood City, CA

Here’s what to expect in Redwood City’s market. A standard lock rekey runs $95-$185 per cylinder. A deadbolt installation on a door that already has a standard bore runs $140-$340, including the new hardware. Door lock repair ranges $120-$280 depending on parts needed. A residential lockout (non-destructive entry) runs $110-$220, and a window lock installation or replacement runs $75-$140 per window. Every quote is written before work starts, and it’s the price on the invoice. No call-out surcharge, no arrival fees added at the door. Estimates are free, so call (818) 390-9007 and get an exact number before anyone is dispatched.

We Also Serve Cities Near Redwood City

Our Residential Locksmith in Redwood City crews extend service to neighboring communities including Atherton, Menlo Park, San Carlos, and Palo Alto. If you’re in or around Redwood City, we can reach you quickly, with the same written pricing and cleanup standard on every job.

Serving Redwood City, CA - Our Local Coverage Area

We’re based in the Redwood City 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 Redwood City

Why Redwood City Chooses Blackthorn Locksmith & Security

We set the standard for residential locksmith in Redwood City.

30-60 Min Response

Fast dispatch across Redwood City. Same-day and after-hours emergency service available.

Licensed & Insured

Fully certified technicians who meet all local and state licensing requirements.

Upfront Pricing

No hidden fees, no surprises. You approve the price before any work begins.

Guaranteed Work

Every repair and installation is backed by our workmanship warranty and satisfaction guarantee.

How It Works in Redwood City

Getting your residential locksmith handled is simple and fast.

1

Call or Request a Free Estimate

Tell us about your residential locksmith needs and we provide an upfront, transparent quote - no obligation, no hidden fees.

2

Licensed Technician Dispatched

A background-checked, certified technician arrives in Redwood City - typically within 30-60 minutes, with parts stocked on the truck.

3

Problem Solved, Guaranteed

We complete the job to your full satisfaction, backed by our warranty and 100% satisfaction guarantee.

What happens when you call

  1. 1
    A real person answersNo phone trees - talk to a local residential locksmith pro.
  2. 2
    You get an upfront price rangeHonest numbers before anyone is dispatched. No surprises.
  3. 3
    We come out and measureLicensed & insured, at a time that suits you - the visit and the quote are both free.
  4. 4
    You get the price in writingLine-itemed, yours to keep, and nothing starts until you say go.

What Redwood City Customers Say

Trusted by homeowners across Redwood City and surrounding areas.

★★★★★

"Access control for a small clinic. He understood we had patients around and kept it quiet and clean. Protected the floors where he was drilling and tidied everything after."

Ron Pak · Verified customer
★★★★★

"Good rekey work and very respectful of the home. It took a day longer to schedule than I'd hoped, but once here he was careful, clean, and patient with my questions."

Pauline Esparza · Verified customer
★★★★★

"Installed a keypad on our office door. Tidy install, explained it to the staff gently and clearly, and he swept up after drilling. No mess on the carpet."

Desmond Yoo · Verified customer

Current Offers

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Price Quoted Before We Drive

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Written Price Before Any Work Starts

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Included

Shoe Covers and Drop Cloths on Every Visit

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Included

Photo of the Clean-Up Before We Leave

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(818) 390-9007

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