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(323) 997-8867
Crenshaw Lock

Key Fob Replacement in La Puente · 24/7 mobile

Key Fob Replacement in La Puente, California

Crenshaw Lock Company provides mobile key fob replacement and programming in La Puente, California, 24 hours a day, 7 days a week. We come to your car, home, or workplace and make a working fob on site. Call (323) 997-8867 to talk through your vehicle and get started.

  • Mobile to your La Puente location
  • Available 24/7
  • Price quoted before we start
Call (323) 997-8867or tap to call — we answer 24/7
Modern car smart key fob on dark leather
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Losing a key fob is a particular kind of headache in La Puente. Most people here drive daily along the I-10, SR-60, Valley Boulevard, or Hacienda Boulevard, and a car that will not start, or a fob that has quit after a drop on the driveway, can unravel a work week quickly. Whether the fob was lost at La Puente Park, left in a jacket pocket, or simply wore out, the fix does not require a tow to a dealership.

Crenshaw Lock Company has been serving Los Angeles and Ventura County since 1987, and we are fully mobile. There is no storefront to visit. Our technician brings the key-cutting and programming equipment to wherever the vehicle is parked, whether that is a driveway on a quiet street in Hudson, a carport behind a 1970s apartment building, or a lot off Amar Road.

Key fob replacement covers several situations: a traditional remote head key with buttons, a flip key, and a smart or proximity key that lets you start the car with a push button. Each type is handled differently, and the right approach depends on your vehicle's make, model, and year, and on whether you still have a working key to copy. We will tell you plainly what your car needs before any work begins.

How it works in La Puente

  1. 1

    Call and describe the vehicle

    Phone (323) 997-8867 any hour. Tell us the make, model, and year, what type of key you have or had, and whether you still own any working key. That tells us what equipment and fob to bring.

  2. 2

    We travel to your car

    Because we are fully mobile, you stay put. We meet you at home, at work, or wherever the vehicle is stranded, and we do not ask you to tow it anywhere.

  3. 3

    Verify ownership

    Before cutting or programming anything, we confirm that you are the owner or authorized user of the vehicle. This protects you, and it is a standard part of responsible automotive locksmith work.

  4. 4

    Cut the key blade if needed

    Many fobs include an emergency or flip-out blade. If yours does, we cut it to match your vehicle's locks so the door and ignition both respond to the new key.

  5. 5

    Program the fob to the vehicle

    We connect programming equipment to the car and register the new fob so the remote functions and, where applicable, the immobilizer recognize it. Smart keys are tested for push-button start as well.

  6. 6

    Test everything and review spares

    We try lock, unlock, trunk, panic, and start functions. We also discuss whether to make a spare while we are there, since adding one is easier than starting from nothing again.

Need key fob replacement in La Puente?

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 some brands use more involved security systems than others.
  • Type of key: a basic remote head key, a flip key, and a proximity smart key each use different hardware and procedures.
  • Whether you have a working key to copy, or all keys are lost and the system must be programmed from scratch.
  • Whether the fob is an original-equipment part or a quality aftermarket alternative, when both are available for your car.
  • Whether an emergency blade must be cut and how many fobs you want programmed in one visit.
  • Time of day and location of the service call, since we operate around the clock and travel to you.

Why La Puente chooses us

  • Fully mobile service means the work is done at your vehicle, so you avoid towing and dealership wait times.
  • We have served this region since 1987, and owner and lead technician David Shar has seen how fob technology has changed over decades.
  • We are available 24/7, which matters when a dead fob strands you at night after a shift or on a weekend.
  • We explain which option fits your car, including whether a spare makes sense, instead of pushing the most complicated solution.
  • Because we also handle residential and commercial lock work, we can rekey a house or storefront in the same visit if your keys went missing together.
  • No storefront means no overhead passed on for a showroom; the work happens where you are.

Key Fob Replacement across La Puente

La Puente is a busy, car-dependent community, and its geography shows why. Residents in Hudson and Sunset commute onto the I-10 and SR-60, while Valinda and Bassett, the adjacent unincorporated neighborhoods, feed traffic along Hacienda Boulevard and Amar Road. When a fob fails on a work morning, getting moving again quickly matters, and a mobile visit to your driveway beats arranging a tow.

We work across the local ZIP codes, including 91744, 91746, and 91747. That includes shoppers and employees parked along the Valley Boulevard commercial corridor and the Hacienda Boulevard retail strip, as well as people who lost a fob near The Donut Hole or at La Puente Park. Wherever your car is, we bring the programming tools to it.

Much of the housing here is 1950s and 60s single-story stucco tract homes, and many households have more than one driver sharing a car or a driveway. Converted garages and ADUs add more residents and more keys. If a missing fob also means a missing house key, tell us when you call. We can often address the car and the home lock in one visit, which saves a second trip.

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 La Puente locksmith services

See all of our La Puente services, or our citywide key fob replacement page.

Key Fob Replacement in La Puente — FAQs

Can you replace a key fob if I lost all my keys?
In many cases, yes. Losing every key means the vehicle's system must be programmed from scratch, which is more involved than copying an existing one. Call (323) 997-8867 with your make, model, and year and we will explain what is possible.
Do I need to take my car to the dealership in La Puente?
Not usually. We are fully mobile and bring cutting and programming equipment to your car. Some very new or unusual models may have limits, and we will tell you honestly if that applies.
What is the difference between a remote head key and a smart key?
A remote head key has a metal blade with built-in buttons and goes into the ignition. A smart or proximity key lets you start the car by push button while the fob is nearby. Each requires different parts and programming.
Can you program a fob I bought online?
Sometimes. Compatibility depends on the fob's chip and frequency and on your vehicle. Call (323) 997-8867 before buying, so we can tell you whether it will work and avoid wasted money.
Will the old lost fob still work after the new one is programmed?
Often the lost fob can be removed from the vehicle's memory during programming, depending on the system. That is a useful security step if it may have been stolen, so ask us about it.
Do you offer key fob service at night or on weekends?
Yes. We are available 24 hours a day, 7 days a week. Call (323) 997-8867 whenever you need us.
Do I have to prove the car is mine?
Yes. We verify ownership or authorization before making or programming keys. Having your ID and vehicle registration or title ready speeds things up.
Should I get a spare fob while you are there?
We generally recommend it. Adding a spare during the same visit is simpler than rebuilding access after losing your only key again, and we can talk through the options for your vehicle.
DS

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