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Crenshaw Lock

Transponder Key Programming in Hermosa Beach · 24/7 mobile

Transponder Key Programming in Hermosa Beach, CA

Crenshaw Lock Company provides mobile transponder key programming in Hermosa Beach, California, 24/7. We come to your vehicle and program chip keys to its immobilizer so it starts and runs. Lost your only key or need a spare? Call (323) 997-8867.

  • Mobile to your Hermosa Beach location
  • Available 24/7
  • Price quoted before we start
Call (323) 997-8867or tap to call — we answer 24/7
Car key being programmed with a handheld programmer inside a car
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A transponder key has a small chip in the plastic head that talks to your car's immobilizer. If the chip's code doesn't match what the car expects, the engine may crank without starting, or not crank at all. Cutting the metal blade is only half the job. The key also has to be programmed to the vehicle. That is what we do, and we do it where the car is parked.

In Hermosa Beach that matters more than it might elsewhere. Cars here live on tight streets, in shared garages under townhomes, in beach lots, and along Hermosa Avenue and Pier Avenue where parking is scarce and towing is a real expense. Moving a car with no working key to a shop is a headache. We are fully mobile, with no storefront to visit, so we bring the equipment to your curb, driveway, or garage.

Crenshaw Lock Company has served Greater Los Angeles and Ventura County since 1987, and owner and lead tech David Shar has seen how vehicle security has changed across those decades. Whether you have lost every key, snapped one in the ignition, or just want a spare before a beach day goes sideways, we can talk through your options by phone and tell you what your particular vehicle needs.

How it works in Hermosa Beach

  1. 1

    Call and describe the situation

    Call (323) 997-8867 any hour. Tell us the make, model, and year, where the car is parked, and whether you have a working key or none at all. That tells us whether this is a spare-key job or an all-keys-lost job.

  2. 2

    Confirm ownership

    Before we make or program a key, we ask for proof the vehicle is yours, such as registration or title along with matching photo ID. It protects you, and it is a standard part of responsible automotive locksmith work.

  3. 3

    We come to the car

    We drive to you, whether that is a street near the Hermosa Beach Pier, a townhome garage in the Sand Section, or a driveway in the East Hermosa hills. Everything is done on site, so the car does not need to be towed.

  4. 4

    Cut or prepare the key

    If you need a new blade, we cut it to your vehicle's key code or by other means. If you already have a compatible chip key or remote, we check that it can be used and prepare it for pairing.

  5. 5

    Program to the immobilizer

    We connect programming equipment to the vehicle and register the new key with its immobilizer. Depending on the vehicle, this may also involve adding the key to the car's memory or erasing keys that were lost.

  6. 6

    Test everything

    We start the car, test the lock and unlock functions, and check each key, including any you already had, before we finish. If something is not working, we deal with it right then.

Need transponder key programming in Hermosa Beach?

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

Call (323) 997-8867

What affects the price

  • Make, model, and year of the vehicle. Some manufacturers use more involved security systems than others, which changes the work required.
  • Whether you have a working key already. Adding a spare is generally simpler than programming a key when every key is lost.
  • Type of key: a basic chip key, a flip key, a remote head key, or a smart proximity key each involve different parts and procedures.
  • Whether a new blade must be cut, and whether the key code must be retrieved or generated for your vehicle.
  • Time of day and your exact location, since after-hours and late-night calls differ from daytime appointments.
  • Whether the vehicle needs to be accessed first, for example if the keys are locked inside or the car is in a tight garage.

Why Hermosa Beach chooses us

  • Fully mobile, 24/7. There is no shop to tow your car to. We bring the work to wherever you are in Hermosa Beach.
  • In business since 1987, with David Shar as owner and lead technician, so you are dealing with an established local operator.
  • Honest assessment by phone. If your vehicle's system needs something we cannot do on site, we say so up front rather than guess.
  • We verify ownership before programming. It can feel like a hassle, but it keeps your car from being keyed by someone who should not have access.
  • We understand beach-town logistics: tight parking, shared garages, salt air, and cars that sit for days between drives.

Transponder Key Programming across Hermosa Beach

Hermosa Beach is only about 1.4 square miles, but the car situation is anything but simple. Around the Strand and the Sand Section, townhomes and walk-street cottages are packed onto narrow lots, and parking is often a shared garage or a space a few blocks from your door. Over in Downtown Pier Avenue, evening crowds heading to Pier Plaza and the Comedy & Magic Club mean cars get left, borrowed, and occasionally locked up with the only key inside. If that happens in ZIP code 90254, we come to you.

Salt air is a real factor here. Key fobs that spend their days in beach bags, wet pockets, and sandy cup holders wear out faster, and a cracked case or failing battery can look like a chip failure. East Hermosa, up in the hills, has its own wrinkle: steep driveways and street parking make a mobile visit far easier than arranging a tow. Residents who commute along Pacific Coast Highway, Aviation Boulevard, or Artesia Boulevard also tend to want a spare programmed before a lost key becomes a bigger problem.

We also work with the property side of town. Rental owners and managers often keep a vehicle or two for a property and want an extra key programmed instead of passing around the only one. Whatever the case, call (323) 997-8867 and we will sort out what your vehicle needs.

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 Hermosa Beach locksmith services

See all of our Hermosa Beach services, or our citywide transponder key programming page.

Transponder Key Programming in Hermosa Beach — FAQs

What is transponder key programming?
It is the process of pairing a chip key with your vehicle's immobilizer so the car recognizes it and allows the engine to start. A key that is only cut to fit the ignition often turns but will not start the car without that pairing.
Can you program a key if I lost all my keys in Hermosa Beach?
In many cases, yes. All-keys-lost jobs are more involved than adding a spare, but we can often handle them on site. Call (323) 997-8867 with your vehicle details and we will tell you what to expect.
Do I need to tow my car to you?
No. We are fully mobile and there is no storefront to visit. We come to your car, whether it is on a street near Pier Avenue, in a garage, or in a driveway in East Hermosa.
Are you available at night or on weekends?
Yes, we are available 24/7. If you are locked out or stranded after a night on Pier Plaza or at the beach, call (323) 997-8867 any time.
What do I need to show to get a key programmed?
We ask for proof of ownership, typically the registration or title, plus a matching photo ID. This is to make sure keys are only made for the rightful owner.
Is it cheaper to get a spare before I lose my only key?
Generally, adding a spare while you still have a working key is simpler than an all-keys-lost situation, which usually involves more steps. We do not quote numbers here, but we will explain the difference when you call.
Can you program a key I bought online?
Often we can, if it is the correct type for your vehicle and in good condition. Some online keys are the wrong frequency or locked to another car, so we recommend calling (323) 997-8867 first to check compatibility.
Will the old keys still work after programming?
It depends on the vehicle and the situation. If a key was lost or stolen, we can often remove it from the car's memory so it no longer starts the vehicle. We will go over this with you on site.
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