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One & Only Locksmith
LA · Bay Area · CA — 24/7
Duarte • Home lock & key services

Residential Locksmith in Duarte, CA.

Protecting homes across greater Los Angeles since 2010. Mobile vans dispatched 24/7 across Duarte and the surrounding San Gabriel Valley.

  • 15-30 min response across Duarte
  • 19 sub-services available
  • Live human dispatcher 24/7
  • Upfront, written pricing
4.9/5 from 1,286 reviews
Bonded & Insured
15+ years serving LA
One & Only Locksmith mobile technician at work
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(888) 492-0666
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15-30 min
average response
Bonded & Insured
fully licensed
4.9/5 stars
1,286 reviews
120,000+
jobs completed
24/7 dispatch
live human, always
Upfront pricing
no hidden fees
Residential Locksmith

Residential Locksmith sub-services in Duarte

Whether you've been locked out, just bought a new home, or want to upgrade to high-security or smart locks, our residential locksmiths arrive fast and finish the job clean. We service single-family houses, condos, townhomes, ADUs, gated communities, and HOA properties.

Home Lockout in Duarte

Fast house lockout service, day or night.

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Lock Rekeying in Duarte

Rekey deadbolts and knobs without buying new hardware.

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Lock Installation in Duarte

Professional installation of any quality residential lock.

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Lock Repair in Duarte

Repair sticky, loose, or misaligned residential locks.

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High-Security Locks in Duarte

Medeco, Mul-T-Lock, ASSA, and other high-security lock systems.

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Smart Lock Installation in Duarte

Smart, Wi-Fi, and keypad locks installed and configured.

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Master Key Systems in Duarte

Custom keying so one key opens everything and others open only what they should.

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Mailbox Locks in Duarte

Mailbox lock change, replacement, and key duplication.

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Keyless Entry / Electronic Locks in Duarte

Keyless entry locks for homes, gates, and accessory dwellings.

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Apartment Lockout Service in Duarte

Fast lockout service for apartments, condos, and rentals.

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Tenant Move-Out Rekey in Duarte

Rekey rental units between tenants for landlords and property managers.

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Patio & Sliding Door Lock Repair in Duarte

Repair and replace patio and sliding door locks.

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Garage Door Lock Repair in Duarte

Repair and replace garage door and garage entry locks.

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Gate Lock Installation & Repair in Duarte

Locks for every kind of residential gate.

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Mailbox Lock Replacement in Duarte

Replace mailbox locks when keys are lost or after move-in.

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Cabinet & Drawer Lock Installation in Duarte

Install locks on cabinets, drawers, and home storage.

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Home Safe Service in Duarte

Open and service residential safes — when the keypad fails, code is lost, or safe won't budge.

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Door Knob & Handle Repair in Duarte

Repair or replace door knobs, handles, and levers.

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Door Reinforcement & Strike Plate Upgrade in Duarte

Reinforce doors, frames, and strike plates against kick-ins.

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Why local Duarte experience matters

Working as a locksmith in Duarte for 15+ years has taught us a few things about this part of San Gabriel Valley.

Around City of Hope, we see a steady volume of residential lockouts and rekey calls, especially after home sales close.

Quick access to I-210 means our nearest van can usually clear the freeway and reach you fast — even at peak traffic times.

We dispatch across every Duarte ZIP — 91008, 91009, 91010 — and our techs know the residential street grid as well as the commercial corridors.

Cross-border jobs into Monrovia, Bradbury, Irwindale are routine, so the same fast response applies if your address technically straddles a city line.

Newer construction in Duarte typically uses Grade 2 builder-grade hardware that we frequently upgrade to high-security on request.

Why Duarte customers choose One & Only Locksmith

Bonded and insured. Bonded & Insured. We can provide our certificate of insurance, W-9, and license info on request — useful for HOAs, property managers, insurance claims, and commercial procurement.

Transparent pricing. You get a quote on the phone and a written quote on site before any work starts. We do not have a "minimum service charge" hidden in fine print, and we do not run the bait-and-switch game some pop-up locksmiths play.

Non-destructive entry first. Our locksmiths are trained to pick, bypass, and decode. We drill only as a last resort, and only after explaining why. Most Duarte lockouts in residential, commercial, and automotive locks are opened cleanly with no damage at all.

Real reviews, real reputation. Over 1,286 verified reviews and a 4.9-star average. We've built our business one neighbor at a time and we don't gamble that on a single bad job.

Mobile, fully-stocked vans. We don't hand you a quote and then "go get the parts." Our trucks carry deadbolts, strikes, smart locks, panic bars, transponder blanks, programmers, extractors, and more — first-visit completion on the vast majority of jobs.

Live human dispatcher, 24/7. Call (888) 492-0666 and a real person picks up. No phone trees, no offshore call centers, no callback queues. The dispatcher knows Duarte traffic, knows our nearest van, and gives you a real ETA.

What to expect when you call us in Duarte

Here's exactly what happens when you call us for service in Duarte.

1. You call (888) 492-0666. A live dispatcher picks up. They confirm the address, the issue, and any specifics ("front door deadbolt, Schlage, brushed nickel"). You'll get a clear ETA and a price range.

2. The nearest van rolls. We dispatch the closest fully-stocked technician to your Duarte location. You'll get a text or call when they're a few minutes out.

3. ID and authority verified. For lockouts and rekeys, we verify ownership or authority before opening anything. This protects you and us.

4. On-site assessment. Your tech inspects the lock, door, frame, hardware, and any related issues. We'll explain what we recommend and why.

5. Written, signed quote. Before any work begins, you get a clear written quote. If you don't want to proceed, you don't owe a dime.

6. Clean work. Hardware is installed straight, square, and to manufacturer spec. Strikes are reinforced into the king stud where appropriate. Old hardware is removed and disposed of.

7. Test and tour. We test the lock or system top to bottom, walk you through any new keys/codes/fobs, and answer questions.

8. Receipt and warranty. Itemized receipt by email, plus our workmanship warranty on every install.

Honest pricing for Duarte customers

We don't dodge pricing questions — here's how we think about it.

Standard service calls in Duarte are quoted by our dispatcher when you call. The number depends on a few real variables: the lock or system involved, time of day, distance from the nearest van, and any parts required. Once our technician is on site and has eyes on the job, you get a written quote — and you don't pay anything until you sign off.

Volume work — apartment turnovers, master keying, multi-door rekeys, and access control — is priced more aggressively per door because the setup is shared. Ask us for a multi-door quote.

Payment: Cash, Credit Card, Debit Card, Apple Pay, Google Pay. We email an itemized receipt the same day, useful for insurance claims, expense reports, or property management records.

Common scenarios in Duarte

Most service calls in Duarte happen for one of a small number of reasons.

1. You're locked out and need fast, clean entry.

2. You lost a key and want to make sure no one else can use it.

3. You moved into a new place and want a fresh start.

4. An employee or roommate left and you need to invalidate their key.

5. An old lock has finally given up and needs to be replaced.

Hardware we install in Duarte

Here's a snapshot of the hardware we install most in Duarte.

Residential locks: Schlage B60/B62/Encode, Kwikset 980/SmartCode, Yale Assure, Baldwin, Emtek, Medeco, Mul-T-Lock, Level.

Smart locks & access control: August, Schlage Encode, Yale Assure SL, Kwikset Halo, Level Bolt, Salto KS, Brivo, Kisi, Openpath. Mobile, fob, and PIN credentials.

Service coverage in Duarte

We dispatch across every neighborhood and ZIP code in Duarte.

ZIP codes covered: 91008, 91009, 91010.

Adjacent areas we routinely serve in the same trip: Monrovia, Bradbury, Irwindale.

Hillside, canyon, and remote addresses in or near Duarte are not a problem — give the dispatcher the cross street and we'll plan the approach.

Talk to a real Duarte locksmith now

Stop searching, start solving. Call (888) 492-0666 and a person picks up. We're already on this side of LA.

Residential Locksmith in cities near Duarte

We dispatch across the San Gabriel Valley. If your address is on a city line, choose the nearest match — our nearest van still rolls.

FAQ

Residential Locksmith in Duarte — FAQ

Should I rekey or replace my locks when I move into a home in Duarte?
Most homeowners in Duarte are best served by rekeying. As long as the existing locks are in good condition and you like how they look and feel, rekeying is faster, costs less, and is just as secure as buying brand-new locks — every old key (sellers, agents, contractors, neighbors) is invalidated. We'd recommend full replacement instead if the locks are worn out, builder-grade, or you want to upgrade to high-security or smart hardware.
Can One & Only Locksmith match all the locks on my Duarte home to one key?
Yes. As long as the locks are compatible (same keyway/family), we can rekey every door — front, back, side, garage entry, mailbox, and even patio locks where applicable — to operate from a single key. If your locks are mismatched brands, we can swap a few cylinders so the whole house can be keyed alike.
What's a smart lock worth on a Duarte home?
Smart locks are extremely useful for Duarte households with cleaners, dog walkers, contractors, or short-term rental guests. They let you issue temporary codes, remotely lock or unlock the door, and see entry history. We always recommend models with mechanical key override so you're never locked out by a dead battery — and we install them with the auto-lock and Wi-Fi alignment dialed in correctly.
Are smart locks safe to use as the main lock on a Duarte home?
Yes, as long as the model is reputable (Schlage, Yale, August, Kwikset Halo, Level), correctly installed, and supported by a strong door, frame, and strike plate. We recommend pairing a smart lock with a reinforced strike plate and 3-inch screws into the king stud. The weakest link in most break-ins isn't the lock — it's the strike, frame, or door.
What does a typical residential locksmith service call run in Duarte?
Pricing depends on which residential service you need, how many doors are involved, and which lock brands are on the door. Our dispatcher can give you a ballpark over the phone, and our technician confirms a written quote before starting work.
Do you handle gate locks, mailbox locks, and ADU doors in Duarte?
Yes — front gates, side gates, mailbox locks, sliding doors, French doors, garage entry doors, ADUs, and detached workshops. If it has a lock or it should have one, our Duarte residential techs can service it.
Are you a real local locksmith in Duarte, or a call center?
One & Only Locksmith is an owner-operated, locally dispatched locksmith. When you call (888) 492-0666, a real person picks up — not a national booking service. Our nearest mobile technician to Duarte is dispatched directly, and you'll know their ETA before you hang up.
How fast can you reach a job in Duarte?
Most jobs in Duarte are reached in 15-30 minutes during normal traffic. Time of day, freeway conditions, and how many active calls we have can extend that window during rush hour. Our dispatcher will give you an honest ETA up front and update you if anything changes.
Do you charge extra at night or on weekends in Duarte?
On most service calls in Duarte, our standard rate applies 24/7 — including evenings, weekends, and holidays. A small after-hours surcharge can apply for unusual situations like an extended drive at 3am to a remote address, but you'll always be told before any charge is added.
Are you bonded and insured?
Yes. One & Only Locksmith is a bonded and insured locksmith service. We'll happily provide our information for insurance claims, HOA paperwork, or building management requirements.

Need residential locksmith in Duarte?

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