Blackthorn Locksmith & Security locksmith team

Locksmith in San Lorenzo - 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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Every visit starts with

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

Locksmith in San Lorenzo, CA

Locksmith work in San Lorenzo comes with a very specific set of challenges you won’t find in most Bay Area cities. The vast majority of homes here were built between 1944 and 1955 as part of David D. Bohannon’s planned community, which means thousands of near-identical ranch houses now have 70-year-old door frames, swollen jambs, and original lock preps that don’t match modern hardware. Add in salt-laden marine air from the nearby South Bay shoreline, and you get corroded cylinders and seized deadbolts as routine service calls. If you need a locksmith in San Lorenzo, call (818) 390-9007 and a live person answers, day or night.

Call (818) 390-9007

Why San Lorenzo Homes Are Different

San Lorenzo Village was built to a uniform spec, and that uniformity is exactly what makes locksmith work here so predictable on paper and so specific in practice. Nearly every original home in the core grid has a 2-3/8-inch backset and the same undersized single-stud door frame. When someone kicks in a door or forces a lock, the damage almost always lands on the original narrow strike-plate mortise. The fix that applies to essentially the whole neighborhood is a heavy-gauge four-screw strike plate with 3-inch screws driven into the stud. It’s not a sales pitch. It’s what the house needed from day one, seventy years ago.

The climate compounds it. San Lorenzo sits close enough to the Bay that the persistent marine layer carries salt into every exterior lock cylinder, deadbolt bolt, and padlock shackle. Pins seize. Deadbolts freeze mid-throw. We see it on homes that have never changed their hardware since the day they were built. Hollow-core doors, swollen jambs, layers of paint over original strike plates. The work here is less about installing a lock and more about rehabilitating the door around it before the new hardware goes in. That’s true whether the call is on Bockman Road, Via Alamitos, or a side street off Hesperian Boulevard.

Our Main San Lorenzo Services

The two calls we answer most often in San Lorenzo involve residential lockouts and commercial rekeying, but a growing share of our local work is access control systems for the small businesses and offices along Hesperian and Lewelling. Each service has its own page with pricing and specifics.

Commercial Locksmith in San Lorenzo

Commercial work in San Lorenzo often starts as a rekey after a tenant changes, an employee leaves, or a key ring goes missing. The buildings along Hesperian Boulevard and the industrial strips near Lewelling include older storefronts whose aluminum doors and mortise locks have been in service since well before the current tenants arrived. We rekey, install new hardware, and when the situation calls for it, upgrade to restricted keyways so you know exactly who has a key and how many exist. Commercial Locksmith in San Lorenzo

Commercial Locksmith in San Lorenzo

Residential Locksmith in San Lorenzo

Residential calls in San Lorenzo usually mean one of three things: a lockout, a deadbolt that has stopped turning, or a homeowner who just closed on a Bohannon-era ranch and wants every lock changed before moving in. The third case is where the local housing stock really matters. Original door preps are often too narrow or too worn for modern Grade-1 deadbolts, so the job frequently includes re-boring the door and reinforcing the jamb. We keep the work clean, protect the floors, and send a photo of the finished job before we leave. Residential Locksmith in San Lorenzo

Residential Locksmith in San Lorenzo

Access Control Systems in San Lorenzo

Access control in San Lorenzo serves the small medical offices, preschools, and multi-tenant buildings that want something more accountable than keys. A preschool director doesn’t want to track twenty keys across a dozen parents and staff. An office manager wants to know who entered after hours. We install keypad entry, card readers, and smartphone-based systems that give you an audit trail and let you revoke access instantly. Written scope, flat per-door pricing, no surprises. Access Control Systems in San Lorenzo

Access Control Systems in San Lorenzo
Need help today?Fast, friendly service and a no-obligation free estimate.

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What happens when you call

  1. 1
    A real person answersNo phone trees - you reach a local pro.
  2. 2
    You get an upfront price rangeHonest numbers before anyone is dispatched.
  3. 3
    A background-checked tech heads outLicensed & insured, dispatched right away.
  4. 4
    You approve before work beginsNothing starts until you say go.

Brands We Service in San Lorenzo

We carry and service hardware from Schlage, Kwikset, Medeco, and Abloy, among others. That covers the full span from a straightforward deadbolt swap on a 1952 ranch to restricted high-security cylinders that can’t be copied at a hardware store. Common parts are stocked in our Bay Area vehicles, so most San Lorenzo calls are completed in a single visit. See our brands for the full list.

Pricing for Locksmith in San Lorenzo, CA

Service Typical range in San Lorenzo
Residential lockout $85-$160
Rekey a single cylinder $25-$45 per cylinder
Rekey after moving in (4-6 cylinders) $120-$250
Deadbolt installation (standard) $90-$180
Deadbolt installation (Grade-1, with jamb reinforcement) $180-$320
Strike plate upgrade (heavy-gauge, 4-screw, 3-inch screws) $45-$95
Commercial rekey (per cylinder) $20-$40
Commercial keypad / electronic lock install $250-$600 per door
Access control system (per door, hardware only) $500-$1,200
High-security cylinder (Medeco or Abloy) $150-$350 per cylinder

What pushes the price up in San Lorenzo specifically is door condition. A deadbolt install becomes a longer job when the original bore is out of round, the jamb has rotted at the bottom, or the strike plate mortise has been chewed out by twenty years of lockouts and break-ins. We give you a written price before any work begins, and that written price is the price on the invoice. No dispatch fee added on arrival, no verbal estimate that shifts when the tech shows up.

Neighborhoods We Serve in San Lorenzo

We work across the entire San Lorenzo area, from the Village core to the streets along the San Leandro border. Response time across the area is typically under an hour for lockouts and urgent calls, with scheduling for access-control and commercial projects coordinated the same day you call.

  • San Lorenzo Village
  • Bockman Road area
  • Via Alamitos / Del Rey neighborhoods
  • Hesperian Boulevard corridor
  • Lewelling Boulevard area

Service Area – Cities Near San Lorenzo

Beyond San Lorenzo, our crews serve nearby East Bay cities including Castro Valley, CA, San Leandro, CA, Union City, CA, and Oakland, CA. Dispatch and scheduling are coordinated from our San Francisco Bay Area office, and the technicians who arrive at your door are local to the East Bay.

Serving San Lorenzo, CA - Our Local Coverage Area

We’re based in the San Lorenzo 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 San Lorenzo

Ready to get started? Free estimates · within the hour response in San Lorenzo
Call (818) 390-9007

What happens when you call

  1. 1
    A real person answersNo phone trees - talk to a local 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 San Lorenzo Customers Say

★★★★★ 4.8 from 6+ reviews

"Rekeyed the whole house after we moved in. He was calm and careful, wore shoe covers without me asking, and cleaned up the little metal shavings from each door. Felt safe that first night."

- Harriet Boyle

"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

"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

How It Works in San Lorenzo

Getting your locksmith handled is simple and fast.

1

Call or Request a Free Estimate

Tell us about your 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 San Lorenzo - 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.

Current Offers

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Price Quoted Before We Drive

The number you are given on the phone is the number on the invoice.

Expires Mar 31, 2027
Always

Written Price Before Any Work Starts

Expires Mar 31, 2027
Included

Shoe Covers and Drop Cloths on Every Visit

Expires Mar 31, 2027
Included

Photo of the Clean-Up Before We Leave

Expires Mar 31, 2027

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Areas We Serve
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