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Crenshaw Lock

Key Fob Replacement in Tarzana · 24/7 mobile

Key Fob Replacement in Tarzana, California

Crenshaw Lock Company provides mobile key fob replacement and programming in Tarzana, California, available 24/7. We come to your car, home, or office and replace lost, damaged, or dead remote fobs and smart keys. Call (323) 997-8867 to describe your vehicle and get started.

  • Mobile to your Tarzana 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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A key fob is easy to take for granted until it goes missing. In Tarzana, that moment tends to happen in very ordinary places: the parking structure near the Ventura Boulevard medical offices, the lot at the Tarzana Recreation Center, a driveway in the flats, or a winding hillside street south of the Boulevard. The fob that cost you nothing to ignore yesterday suddenly decides whether your car moves today.

Crenshaw Lock Company has served Greater Los Angeles and Ventura County since 1987, and we are fully mobile. There is no shop to tow your car to and no storefront to visit. We bring the equipment to wherever your vehicle is parked and replace and program remote key fobs and smart or proximity keys on site, any hour of the day or night.

This page explains how a fob replacement actually works, what shapes the cost, and what to expect if you are in Tarzana. We do not quote prices or arrival times in a web page, because both depend on your specific vehicle and where we are coming from. What we can promise is a straight conversation, a clear explanation of your options, and a technician who knows the area.

How it works in Tarzana

  1. 1

    Call and describe the situation

    Phone us at (323) 997-8867 and tell us the make, model, and year of the vehicle, and whether you have any working key left. We will ask whether the fob is lost, broken, or simply has a dead battery, since a dead battery is sometimes all it is and costs far less to fix than a full replacement.

  2. 2

    We travel to your vehicle

    Because we are fully mobile, we meet you where the car sits, whether that is a driveway off Reseda Boulevard, a space behind a Ventura Boulevard office, or a gated property in the hills. We are available around the clock, including nights and weekends.

  3. 3

    Verify ownership

    Before cutting or programming anything, we confirm that you own the vehicle or are authorized to access it. This usually means matching your identification to the registration or title. It protects you and keeps keys out of the wrong hands.

  4. 4

    Identify the correct fob and key type

    Vehicles differ widely. Some use a traditional cut blade with a transponder chip and a separate remote. Others use a push-button start with a proximity smart key. We check which system your car uses, then match the correct hardware and frequency so the replacement will actually work.

  5. 5

    Cut, program, and pair on site

    We cut the emergency blade or key where needed, then program the transponder and remote functions to your vehicle's computer. In many cases, this includes removing a lost fob from the system so it can no longer start the car.

  6. 6

    Test every function before we leave

    We test door locks, trunk or hatch release, panic button, and starting the engine, and we walk you through anything that behaves differently. If you want a spare, this is the best time to add one, since programming a second fob while we are already there is usually simpler than starting over later.

Need key fob replacement in Tarzana?

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, because some brands use far more complex immobilizer systems than others
  • Type of key: a basic remote head key, a flip key, or a push-button proximity smart key all differ in hardware cost
  • Whether you still have a working key to copy from, or all keys are lost and a new key must be originated
  • Whether the replacement uses an original-equipment fob or a quality aftermarket alternative that works with your vehicle
  • How many fobs you need programmed in one visit, including spares
  • Time of day and your location relative to our dispatch, since we are available 24/7 and after-hours calls involve different logistics

Why Tarzana chooses us

  • Fully mobile service, so your car never has to be towed to a shop just to get a key made
  • Operating since 1987 under owner and lead technician David Shar, with long experience across many vehicle brands
  • Available 24/7, which matters when a fob fails late at night or early before a medical appointment
  • We check for simple fixes first, such as a worn battery or a loose casing, before recommending a full replacement
  • We explain your options, including aftermarket versus original fobs, and let you decide
  • We can remove lost fobs from the vehicle's memory so a missing key does not remain a security risk

Key Fob Replacement across Tarzana

Tarzana stretches across several very different settings, and fob problems show up differently in each. North of Ventura Boulevard, the Tarzana flats are full of 1950s ranch homes and apartment buildings, where cars often sit in driveways or on streets like Lindley Avenue, Wilbur Avenue, and Corbin Avenue. A fob that falls out of a pocket or gets washed with laundry is a common story here, and we can program a new one right at the curb.

South of the Boulevard, the Santa Monica Mountains hillside holds custom and gated estates, with Mulholland Drive running along the ridge. Households there often own several newer vehicles with proximity smart keys, and a lost fob can mean a locked-out driveway as much as a stuck car. Being mobile means we can reach you in the hills without asking you to get the vehicle anywhere. The El Caballero area and the streets around El Caballero Country Club have a similar mix of newer vehicles and multiple drivers per household.

Along the Ventura Boulevard medical and commercial corridor, staff and patients park all day near Providence Cedars-Sinai Tarzana Medical Center and the surrounding offices. If a fob dies while you are at an appointment or a shift, call (323) 997-8867 and we will come to the lot. We serve ZIP codes 91356 and 91357, with easy access from US-101, Tampa Avenue, and Reseda Boulevard.

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 Tarzana locksmith services

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

Key Fob Replacement in Tarzana — FAQs

Can you replace a key fob if I have lost every key to my car?
Often, yes. An all-keys-lost situation takes more work because a new key must be originated and programmed to the vehicle's computer, but it is routine for a mobile locksmith. Call (323) 997-8867 with your vehicle details and we will explain what is involved.
Do I need to tow my car to you in Tarzana?
No. We are fully mobile and have no storefront. We come to your car, whether it is in a driveway in the flats, a hillside property south of Ventura Boulevard, or a lot along the Boulevard.
Is it cheaper than going to the dealer?
We do not quote prices online, and costs depend on your vehicle, key type, and situation. Many people find a mobile locksmith convenient because there is no tow and no waiting for a service appointment. Call (323) 997-8867 and we can talk through your specific car.
Can you program a fob I bought online?
Sometimes. It depends on the vehicle and whether the fob is the correct type and frequency, and is not locked to another car. We can check compatibility with you first, though we cannot promise that every fob bought elsewhere will work.
My fob just stopped working. Does it need replacing?
Not necessarily. A weak battery is a very common cause, and sometimes the fob only needs to be resynchronized. We check the simple causes first so you do not pay for a replacement you do not need.
What is the difference between a remote key fob and a smart key?
A remote key fob typically pairs with a key blade you insert in the ignition, while a smart or proximity key lets you unlock and start the car with the fob in your pocket. They use different hardware and programming, so we confirm which one your car uses before doing any work.
Will the old lost fob still work after you program a new one?
In many vehicles we can erase lost keys from the car's memory during programming, so only the fobs you hold will start it. Ask us when you call (323) 997-8867 and we will confirm for your model.
Are you available at night or on weekends?
Yes. Crenshaw Lock Company is available 24/7. If your fob fails at night, on a weekend, or before an early shift, call (323) 997-8867 any time.
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