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(323) 997-8867
Crenshaw Lock

Car Key Replacement in Duarte · 24/7 mobile

Car Key Replacement in Duarte, California

Crenshaw Lock Company provides car key replacement in Duarte, California, 24 hours a day, 7 days a week. Our fully mobile technicians cut and program replacement keys at your vehicle, even if you have no original. Call (323) 997-8867 to talk through your car and get started.

  • Mobile to your Duarte location
  • Available 24/7
  • Price quoted before we start
Call (323) 997-8867or tap to call — we answer 24/7
New flip car key and key blank ready for cutting
Open now(323) 997-8867

Losing a car key is stressful anywhere, but in Duarte it tends to happen at inconvenient moments: after a shift at City of Hope, at the Fish Canyon Falls trailhead after a hike, or in a driveway in Butler when the only key has gone missing. Crenshaw Lock Company has served Greater Los Angeles and Ventura County since 1987, and car key replacement is one of the most common calls we handle.

We are a mobile-only business. There is no shop to tow your car to and no storefront to visit. The technician comes to wherever the vehicle is parked, cuts a new key, and programs it to the car on site. That matters when the alternative is a tow to a dealership and a wait for an appointment. It also means a car that is stuck in a hospital garage, a condo lot near the A Line, or a hillside driveway can be handled right where it sits.

Many people assume that having no original key means the car is stuck. It usually does not. Depending on make, model, and year, we can generate a working key from the vehicle itself, with proof that you own it. This page explains how the process works, what affects the cost, and what Duarte drivers should know before calling.

How it works in Duarte

  1. 1

    Call and describe the vehicle

    Call (323) 997-8867 any hour. Tell us the make, model, and year, what kind of key you had (traditional blade, transponder, remote head, or push-button fob), and where the car is parked. This helps us bring the right key blanks and programming equipment.

  2. 2

    Confirm ownership

    Before any key is made, we verify that you are the rightful owner. Expect to show a photo ID along with registration, title, or other documentation matching the vehicle. This protects you, and it is a standard practice for any reputable locksmith.

  3. 3

    Gain access if needed

    If the car is locked and the keys are gone, we open it with tools designed to avoid damaging the door, weatherstripping, or paint. If the vehicle is already open, we move straight to key work.

  4. 4

    Cut the new key

    We cut the key to the car's code or by decoding the lock, so no original is required. Modern keys, including laser-cut and high-security styles, are cut to the factory pattern for the vehicle.

  5. 5

    Program the key to the car

    Most vehicles built in recent decades have an immobilizer chip that must be paired to the car's computer. We program the new key and any remote functions, then confirm it starts the engine, locks and unlocks, and works as expected.

  6. 6

    Test and review your options

    We test every function before we finish. If you have only one key left, we will discuss having a spare made. A spare now is usually far easier than replacing a lost key later.

Need car key replacement in Duarte?

24/7 Mobile Locksmith across Greater Los Angeles & Ventura County. We answer 24/7.

Call (323) 997-8867

What affects the price

  • Vehicle make, model, and year, since newer and European models often use more complex keys and security systems
  • Key type: a basic cut key, a transponder key, a remote head key, and a smart or push-button fob each involve different parts and programming
  • Whether you have any working key already, because duplicating an existing key is usually simpler than originating one from scratch
  • Whether the car also needs to be unlocked or an old lost key erased from the system
  • Time of day and location of the vehicle, since after-hours service and difficult-to-reach spots can affect the quote
  • Whether you want extra spares or additional remote functions programmed at the same visit

Why Duarte chooses us

  • Fully mobile service: we come to your car in Duarte rather than asking you to tow it anywhere
  • Open 24/7, so a lost key on a late night or weekend does not have to wait for business hours
  • In business since 1987, with owner and lead tech David Shar leading the work
  • We can often make a key with no original, which saves many drivers an expensive trip to a dealer
  • We explain your options and the quote before work begins, and we verify ownership on every job
  • Programming and cutting happen at the vehicle, so you can test the key before the job is complete

Car Key Replacement across Duarte

Duarte is a compact foothill city, and its car key calls reflect that. In the Butler and Cotter areas, many households park in driveways of 1950s and 1960s ranch homes, and a misplaced key often means a car that is stuck at home before the morning commute. Further up toward Royal Oaks and the Fish Canyon area, steeper streets and gated driveways can make towing a car awkward, which is a good reason to have the work done on site.

City of Hope is one of the area's largest employers, and shift workers and visiting families sometimes lose keys on campus or in nearby lots. We can meet you wherever the vehicle is parked in ZIP 91010 or 91009, whether that is near Huntington Drive (Route 66), along Mountain Avenue or Buena Vista Street, or by Encanto Park. Hikers who head to the Fish Canyon Falls trailhead or ride the Duarte Recreational Trail along the San Gabriel River can also run into key trouble far from home.

If you commute along I-210 or I-605 and find yourself without a working key, call (323) 997-8867 and tell us where the car is parked. There is no storefront, since we are mobile only, so we focus on getting to you and finishing the job at your vehicle.

Locked out or need a locksmith now?

24/7 Mobile Locksmith across Greater Los Angeles & Ventura County. We answer 24/7.

Call (323) 997-8867

Other Duarte locksmith services

See all of our Duarte services, or our citywide car key replacement page.

Car Key Replacement in Duarte — FAQs

Can you make a car key in Duarte if I have no original key?
In most cases, yes. We can cut and program a new key using the vehicle's information after verifying ownership. Call (323) 997-8867 with your make, model, and year and we will tell you what is possible for your car.
Do I need to tow my car to a dealer?
Usually not. Our service is fully mobile, so we cut and program the key where the car is parked, whether that is a driveway in Butler, a lot near City of Hope, or a street in Royal Oaks.
What proof of ownership will I need?
A photo ID plus registration, title, or other paperwork that ties you to the vehicle. We will not make a key without it, which helps protect you if your keys were stolen.
Are you available at night and on weekends?
Yes. We are available 24/7. Call (323) 997-8867 any time and we will discuss your situation and location.
How much does car key replacement cost?
It depends on the vehicle, the type of key, whether you have any working key, and whether the car needs to be unlocked. We explain the quote before starting work, and we do not guess at pricing before knowing your car.
Will the new key work like my original?
Yes. We program the key to the car and test the ignition, door locks, and any remote buttons before we finish. Push-button and remote functions can be programmed on supported models.
Should I get a spare key while you are there?
It is a good idea. Making a spare during the same visit is typically simpler than starting over after your last key is lost, so ask about it when you call.
Do you serve both Duarte ZIP codes?
Yes, we serve 91010 and 91009 and the surrounding area, including the neighborhoods along Huntington Drive and up toward Fish Canyon.
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Reviewed by David Shar — Owner & Lead Technician

Crenshaw Lock Company has served Greater Los Angeles & Ventura County since 1987.

Last updated 2026-10-12.

Call (323) 997-8867 · Open 24/7