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Wilshire Lock & Key

24/7 locksmith · Westmont, CA

Lost Car Key Replacement in Westmont, CA

Lost Car Key Replacement in Westmont: if every key to your car is gone, we can make a new one from scratch without an original. Our mobile vans cover Westmont 24 hours a day, 7 days a week. Call Wilshire Lock & Key at (213) 577-1366 and we will tell you what your vehicle needs.

  • Since 1987
  • Westwood storefront + mobile vans
  • A person answers, day or night
Inflatable wedge and reach tool opening a locked car door at night

What does lost car key replacement mean when every key is gone?

Losing your only key, or losing every key you own, feels worse than a simple lockout. With a spare in a drawer at home, you have options. With no spare, you have a car that will not start, a door you may not be able to open, and no original to copy. That is the situation this page covers: lost car key replacement when there is nothing left to duplicate.

Many people assume a locksmith needs the old key to make a new one. We do not. A replacement car key without the original is made from information tied to your vehicle, mainly its VIN and proof that the car is yours, together with the right key blank and the right programming equipment for that make and model. The new key is cut and, where the car requires it, programmed to talk to the vehicle's immobilizer. The lost keys do not have to be found first.

Not every lost-key job looks alike. Some older vehicles use a plain metal key that is cut to the lock and nothing more. Many newer ones use a key with a transponder chip, a remote fob, or a push-button start system with a proximity key. What your car uses decides how the job goes, how long it takes, and what it costs. We do not guess at that over the phone and promise an outcome. We ask for the year, make, model and, ideally, the VIN, and we confirm what your specific car needs before any work starts.

What should you do first if you have lost all your car keys?

Before you call anyone, spend a few minutes on the basics. It costs nothing, and it sometimes saves you the whole job. Then call us with the details we need so the right equipment is on the van when it arrives.

  • Retrace your steps once, calmly. Check coat pockets, bags, the place you last parked, and anywhere you set things down.
  • Look for a spare. Ask anyone in your household or a trusted friend whether a second key is sitting in a drawer or on a hook.
  • Check whether the car is actually locked. If the key is inside, that is a lockout rather than a lost key, and the answer is different. Our page on car lockout service in Westmont covers that.
  • Gather proof of ownership: registration, title, or a matching ID. We will need to see that the car is yours.
  • Write down the VIN. It is on the dashboard near the windshield on the driver's side and on the registration card.
  • If you think a lost key was stolen along with your address, mention it when you call. We can talk through next steps for the car and for your locks at home.

Locked out or need a locksmith now?

We answer around the clock, every day of the year.

Call (213) 577-1366

How do we make a replacement car key without the original?

Our process is straightforward, and we explain each step as we go so you are never surprised by what is being done to your car. Because we run a storefront and mobile vans as one company, the person who answers your call is part of the same operation that sends the van. There is no dispatch middleman passing your job along.

  1. You call (213) 577-1366. We ask for the vehicle's year, make, model, color if relevant, and your location in Westmont.
  2. We talk through what type of key the car likely uses and what we will need to see on arrival: ID, registration or title, and the VIN.
  3. A mobile van comes to you. Whether you are in a driveway, at an apartment building, or parked on a commercial street, we do the work where the car sits. If it cannot be moved or started, that is not a problem.
  4. We verify ownership by matching your ID to the registration or title, and we match the VIN to the vehicle itself.
  5. We determine the correct key blank and cut the key using the vehicle's code or by working from the lock itself, depending on the car.
  6. If your vehicle requires it, we program the new key or fob so the car's immobilizer accepts it. Our page on transponder key programming explains this part in more detail.
  7. We test the key in the door, the ignition or start button, and any remote functions before you sign off. You should see everything work, not take our word for it.
  8. We talk about a spare. Once the first key exists, making another is the sensible next move, and we explain why below.

Can every car be done on site, and when does the dealer come in?

Honest answer: most can, but not all. We would rather tell you that up front than let you wait for a van that cannot finish the job.

Vehicles differ widely in how their key systems are secured. For some makes and model years, we can cut and program a new key entirely on site from the VIN. For others, the car's security setup may call for specific tools or manufacturer-controlled access that a mobile locksmith may not be able to get. In a small number of cases the key or the programming is available only through a dealer. If that turns out to be your car, we will say so plainly instead of starting work we cannot complete.

Because chip types, key formats and programming rules vary by make, model and year, and because information online is often incomplete or contradictory, we confirm by VIN and in person rather than quote a blanket answer over the phone. That is not hedging. It is how we avoid wasting your time. If you want the wider picture of what we do for vehicles, see our automotive locksmith service page, and for the general overview of getting a new key cut and set up, our car key replacement page goes through the options.

If your car turns out to be a dealer-only case, we will tell you what to bring and what to ask for, so that trip goes as smoothly as it can.

Locked out or need a locksmith now?

We answer around the clock, every day of the year.

Call (213) 577-1366

What affects the cost of lost car key replacement?

We do not quote prices on a web page, and we will not pretend a single figure fits every car. What we can do is tell you honestly what moves the cost up or down, so that when we give you a number for your vehicle, you understand it.

The biggest factor is the type of key. A basic metal key with no chip sits at the lighter-cost end. A transponder key needs a chip and programming. A remote head key or a smart proximity key with push-button start involves more hardware and more programming work, and it usually costs more.

  • Key type: plain key, transponder key, remote head key, flip key, or proximity fob. More electronics generally means more cost.
  • Make, model and year: some manufacturers make programming straightforward, and others make it more involved or restrict it.
  • Whether the car can still start and communicate: a car that is completely dead, or one that has been in storage, can add steps.
  • How many keys you need: a spare made in the same visit is usually the more economical route compared with a second call-out later.
  • Where and when you need us: a van trip to your location, and a call in the middle of the night, are part of the picture.
  • Whether the lock itself is damaged: if the ignition or door lock is worn or broken, that is separate work. Our ignition repair page covers that kind of problem.

Lost all car keys in Westmont: situations we see around here

Westmont is a densely built part of Los Angeles County, and it is unincorporated, so you will see it on addresses with 90044 or 90047 ZIP codes. We are about 14 miles from our Westwood storefront, and our vans serve Westmont directly. People call from all over the area, from the Vermont Avenue corridor to the Western Avenue corridor to the streets around the Jesse Owens Park area, and the stories tend to follow the way people live here.

A large share of households in Westmont are renters, and many live in two-story apartment buildings along Vermont, Normandie and Western avenues. In that setting, a lost car key often means a lost ring. The same ring may hold the apartment door key, the mailbox key, and maybe a gate key. If that applies to you, tell us when you call. We handle the car, and for the building we can point you toward options. The mailbox lock change and the apartment door are separate jobs that landlords and building managers often need to approve, so it helps to sort that out early.

Along Century Boulevard and Manchester Avenue, there are storefronts, and people running a small business often keep the shop keys with the vehicle key on the same ring. If a delivery vehicle or work car key goes missing with the shop keys attached, we can look after the vehicle and talk through how to secure the store afterward. We keep each job's scope clear so you always know what you are paying for.

We also hear from people near Vermont Knolls and Morningside Park, close to the edges of the area, who tell us they are not sure whether we cover where they are. We do. Our mobile locksmith service reaches Westmont and the neighborhoods around it, and you can call us from wherever the car is.

Locked out or need a locksmith now?

We answer around the clock, every day of the year.

Call (213) 577-1366

Why call Wilshire Lock & Key for a lost car key?

There are plenty of ways to get a replacement key, and we want you to choose the one that fits your situation. Here is what we can honestly say about why people call us.

  • We have been in business since 1987. That is a long time of working on locks and keys in this region, and it shows in how we handle odd cases.
  • We run a real storefront at 10740 Wilshire Blvd in Westwood, plus mobile vans. You are not dealing with a call center and a stranger with a phone number.
  • It is one company. We do not hand your job to a dispatch network and hope someone shows up. The people who answer are the people behind the work.
  • David, the owner and lead technician, oversees how we do things. That means a standard of work that does not change depending on who is on shift.
  • Our phone is answered 24 hours a day, 7 days a week, year-round at (213) 577-1366, because losing keys rarely happens at a convenient time.
  • We serve 140 cities across Los Angeles and Ventura counties, which means we are used to arriving in unfamiliar parking lots and tight residential streets and still getting the job done.

What should you do after you have a new key?

Getting a working key is the first goal. The second is making sure you are not in the same spot again next month, and that nobody else can use the key you lost.

First, get a spare. Once one working key exists, copying it is a smaller job than making one from scratch. If your car uses a basic key, our key duplication page explains how copies work. If it uses a transponder or smart key, a spare still needs programming, which is easiest to do in the same visit as the first key. Keep that spare somewhere safe and not in the car.

Second, ask us about the lost keys. On many vehicles, the car can be set so that previously programmed keys no longer start it. Whether that is possible, and how it is done, depends on the vehicle, so we confirm it when we are with the car. If you think a lost key could be in the wrong hands, this is worth asking about.

Third, think about the rest of the ring. If your home, apartment, mailbox or shop keys were with the car key, consider whether the locks should be changed or rekeyed. We cover the vehicle side here, and our team can talk through the building side as a separate matter.

Finally, consider a habit change. A small key tag with your phone number, a hook by the door, or a phone app that tracks a fob can prevent a repeat. These are simple and cost very little.

Locked out or need a locksmith now?

We answer around the clock, every day of the year.

Call (213) 577-1366

What to ask any locksmith before they start work

Locksmithing is a regulated trade in California. Companies that offer locksmith services are required to hold a locksmith company license (known as an LCO license) issued by the Bureau of Security and Investigative Services, or BSIS. You are entitled to ask any locksmith for that license information before work begins, and you should. It is a reasonable question and an honest company will answer it.

Beyond licensing, a few other questions tell you a lot. Ask whether the person on the phone is the company that will arrive at your door. Ask what information they need to identify the right key for your car. Ask them to explain what could change the final cost, and to confirm the total before work starts. And expect to be asked for proof of ownership: a locksmith who makes a car key without checking that the car is yours is not looking out for you.

If you are not sure about anything, say so. We would rather spend a minute answering questions than have you feel unsure while we work on your car.

Frequently asked questions

Can you make a car key if I have lost all of them?

Yes. We make new keys without an original, using the vehicle's VIN, proof of ownership and the correct blank and programming equipment. We confirm what your specific car needs by VIN and in person, and if your vehicle turns out to be dealer-only, we will tell you plainly.

Do I need the original key to get a replacement?

No. A replacement car key without the original is a normal part of our work. What we need instead is your ID, proof that the car is yours, and the VIN, so we can identify the right key and set it up for your vehicle.

Will you come to me in Westmont, or do I need to tow the car?

We come to you. Our mobile vans serve Westmont, including both the 90044 and 90047 ZIP codes, and we do the work where the car is parked. In most cases there is no need to tow, though we confirm that once we know your vehicle.

What proof of ownership do you need?

We ask to see a government ID and matching vehicle paperwork such as the registration or title, and we match the VIN on the paperwork to the VIN on the car. This protects you, because it keeps anyone else from getting a key made for your vehicle.

How much does it cost to replace a lost car key?

It depends on the key type, the make, model and year, how many keys you need, where you are, and what time you call. A plain key is at the lighter-cost end, while smart keys and fobs involve more. We give you a clear figure for your car before work begins.

Is it cheaper to go through the dealer or a locksmith?

It varies by vehicle, so we will not make a blanket claim. A mobile locksmith often saves you a tow and a trip, which can make it the more economical route, but some cars can only be handled by the dealer. We tell you honestly which applies to yours.

Will the lost key still start my car after you make a new one?

On many vehicles, the old keys can be removed from the car's memory so they no longer start it, but this depends on the vehicle. Ask us when we are with the car, and we will confirm whether it is possible for yours.

Can you also make a spare key at the same time?

Yes, and we suggest it. Making a spare during the same visit is usually more economical than a second call later, and it means you are not stranded again. For fobs and smart keys, the spare is programmed along with the first.

My car keys were on the same ring as my apartment and mailbox keys. What should I do?

Tell us when you call. We handle the car key, and we can talk through the other locks as separate jobs. For a rental, check with your landlord or building manager about changing the apartment or mailbox locks, since they often need to approve it.

Is someone available at night or on weekends?

Yes. Our phone at (213) 577-1366 is answered 24 hours a day, 7 days a week, year-round, so you can reach us at any hour. Call with your vehicle details and location, and we will tell you what to expect.

More locksmith help in Westmont

Lost Car Key Replacement near Westmont

Reviewed by David, Owner & Lead Technician, Wilshire Lock & Key — in the locksmith trade since 1987.

Last updated 2026-10-11.

Ready for lost car key replacement in Westmont?

We answer around the clock, every day of the year.

Call (213) 577-1366
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