What happens when you lose all your car keys?
Losing the only key to your car is a different problem from losing one of two. With a spare in a drawer at home, you have an inconvenience. With no key at all, you have a car that will not start, a door you may not be able to open, and nothing to copy from. That is what people mean by lost all car keys, and it is the situation this page covers.
The reassuring part is that this is routine work for an automotive locksmith. When there is no original, the new key is not copied from an old one. It is built from your vehicle's identification and lock information, cut to fit, and, if the car needs it, programmed so the car accepts it. What varies from car to car is how much of that work your vehicle requires, and we will not guess at that before we know which vehicle we are dealing with.
Two nearby situations are different jobs. If you still have one working key and simply want another, that is a straightforward copy, covered under key duplication. If your key is visible inside a locked car, that is a lockout. This page is for when there is nothing left to copy and nothing left to open the car with.
Can you make a replacement car key without the original?
Yes. A replacement car key without the original is the core of this service. We do not need your old key, a broken half of it, or a spare. We need to identify the vehicle, confirm that you are entitled to a key for it, and then produce a key that fits the locks and, where applicable, is accepted by the car.
Depending on the vehicle, that can mean cutting a metal key blade to the correct pattern, pairing an electronic component in the key with the car, or both. Some vehicles use a plain metal key. Others use a key with a chip inside, a remote head key, or a push-button start fob. We do not assume which one yours is. We confirm by VIN or in person, because the same model can be built with different key systems from one year to the next, and guessing wrong wastes your time.
If your car uses a chip, the programming side is its own piece of work, which we describe at transponder key programming. If you are also wondering whether the lost keys can be stopped from starting the car, ask us when you call. The answer depends on the vehicle, and we will tell you plainly what yours supports rather than promise something it cannot do.
Locked out or need a locksmith now?
We answer around the clock, every day of the year.
Call (213) 577-1366How does lost car key replacement work, step by step?
Every vehicle is a little different, but the sequence is consistent. Here is how a typical call goes from the first ring to a working key in your hand.
- You call (213) 577-1366. A person answers at any hour, any day. Give us the year, make, and model, and tell us where the car is parked.
- We ask for the VIN. It is usually visible through the windshield at the base of the dashboard on the driver's side, and it is also on your registration and insurance card.
- Before we head out, we tell you what we can determine about your key type, whether programming is involved, and whether your car falls into a category we can do ourselves or one that realistically needs the dealer.
- A mobile van comes to the car. You do not have to move it, tow it, or find a ride to our Westwood storefront.
- We verify ownership. Expect to show photo ID and something tying you to the vehicle, such as registration or title.
- If the car is locked, we open it first. That part is its own skill, described under car lockout.
- We cut and program the new key, then test it properly: doors, trunk if it has a separate lock, ignition, and repeated starts.
- We hand over the working key and suggest making a second one while we are already there, since that is the easiest time to avoid repeating this whole situation.
What should you have ready before we arrive?
A little preparation keeps the job moving, and none of it is complicated. If you cannot find some of these items, call anyway. We can talk through alternatives.
- Photo ID that matches the name on the vehicle paperwork.
- Registration, title, or other proof that the car is yours.
- The VIN, which you can photograph through the windshield if you are standing next to the car.
- Any information about the key type, such as whether it was a push-button start car or had a separate remote.
- Clear access to the car, with the exact parking spot and any gate or garage codes we will need.
What affects the cost of replacing lost car keys?
We will not put a number on a page, because a fair number for a lost key depends on facts we do not have until we know your car. Anyone who quotes you a flat figure without asking the make, model, and year is guessing, and guesses tend to change once the work begins. When you call, we collect the details and explain what your job involves before we start.
Here is what actually moves the cost up or down:
- The vehicle itself: make, model, and year decide which key system is involved.
- The key type: a basic metal key, a chip key, a remote head key, and a smart or push-button key are very different amounts of work and material.
- Programming: whether the car must be told to accept the new key, and what that takes on your vehicle.
- How many keys you want made, since making two at once is usually the more economical route than coming back later.
- Whether the car is locked and needs to be opened, or the ignition or locks are damaged and need repair.
- Where and when: a van going to a driveway at noon is a different trip than a late-night call across the Valley.
Locked out or need a locksmith now?
We answer around the clock, every day of the year.
Call (213) 577-1366Should you call a locksmith or the dealer?
Often a locksmith is the practical choice, mainly because we come to the car. If you lost every key, the car usually cannot be driven to a dealership anyway, which means a tow before anyone starts. A mobile locksmith can skip that step, and a lack of towing is frequently what makes the locksmith the more economical route.
That said, we will tell you honestly when the dealer is the right answer. Some vehicles have key systems that only the manufacturer can supply or program, and for those we would rather say so on the phone than show up and find out. If your car is one of those, you will hear it from us before a van is sent, and you can decide how to proceed. When your timeline is relaxed and the car is not blocking anything, the dealer may also be worth comparing.
One more point worth knowing: California requires locksmith companies to hold a license issued by the Bureau of Security and Investigative Services, known as a BSIS LCO license. Ask any locksmith for that license number before they start work, including us. It takes ten seconds and tells you whether you are dealing with a business that is meant to be doing this work.
Why call Wilshire Lock & Key for a lost car key?
Plenty of companies advertise car key work. Here is what is actually different about us, stated plainly.
- We have been in business since 1987, so the situation you are in, whatever the make or the model, is one we have dealt with before.
- We have a real storefront at 10740 Wilshire Blvd in Westwood, plus mobile service vans. You are calling a business with an address, not a website that forwards leads.
- One company does the job. There is no dispatch middleman reselling your call to whoever is closest, so the person who gives you the details is the company that sends the van.
- David, the owner and lead technician, oversees the work. The standards for how a key is cut, programmed, and tested come from him.
- Our phone line, (213) 577-1366, is answered 24 hours a day, every day of the year. If you lost your keys at midnight, our 24-hour locksmith service means you do not wait until morning, and a mobile locksmith van comes to wherever the car is.
What does lost car key replacement look like around Northridge?
Northridge is about 20 miles from our Westwood base, and it is part of the area we serve routinely, including ZIP codes 91324 and 91325. A lost key here tends to follow the rhythm of the neighborhood.
Around the CSUN campus area, the busiest stretch is semester move-in and move-out. Cars get packed and unpacked, boxes get shuffled between apartments and trunks, and a key set can end up in the wrong box or left behind in a unit someone has already left. Student housing near campus turns over often, and a key that goes missing in the shuffle is a common way to end up with no keys at all, with the car parked right outside.
In the Northridge Fashion Center district, the pattern is different. Someone finishes shopping or a shift, reaches into a pocket, and the keys are gone. Because we come to the car, it does not matter whether it is in a lot, on a side street, or in a garage, and you are not stuck arranging a tow from the Reseda Boulevard or Nordhoff Street corridors to somewhere with a key machine.
The same goes for the Northridge Metrolink station area, where commuters leave a car for the day and may not notice a missing key until they come back. And if you are visiting someone near Dignity Health Northridge Hospital Medical Center, the last thing you need is to be stranded without a key. Wherever you are, give us the cross streets or the lot, and we can plan the stop.
Locked out or need a locksmith now?
We answer around the clock, every day of the year.
Call (213) 577-1366What should you do right now, and how do you avoid repeating this?
First, spend a few minutes on a proper search: pockets, bag, the last place you sat, and anywhere you set things down. If you have a phone app tied to the car or a spare with a family member, check that too. If it is clear the keys are gone, stop searching and call. Time spent hunting for a missing key is time the car is stuck.
Once you have a working key again, do two things. Have a second key made, and keep it somewhere that is not the same bag or pocket as the first. If your fob is the thing that broke or went missing rather than the whole key set, key fob replacement is the more targeted service. And if the key keeps sticking or will not turn smoothly in the ignition, that may be a problem with the ignition itself rather than the key, which is covered under ignition repair. For the broader picture of what we do with vehicle keys, see our car key replacement page.
Frequently asked questions
Can you make a car key if I have lost all of them?
Yes. Making a key with no original is the purpose of this service. We identify your vehicle by VIN, confirm you are the owner, and produce a new key from scratch. Whether it also needs programming depends on the car, and we confirm that when you call rather than assuming.
Do I need to bring my car to your shop in Westwood?
No. Our mobile vans come to your car in Northridge, so you do not need to tow it or drive it anywhere. That matters when all keys are lost, since the car often cannot be driven. Our storefront at 10740 Wilshire Blvd is there if you would rather come in.
What proof of ownership will you ask for?
We ask for photo ID and something that ties you to the vehicle, such as registration or title. We do this on every lost-key job because a key to a car is a key to someone's property. If a document is missing, call us and we will explain what alternatives might work.
Will the old lost keys still work in my car?
It depends on the vehicle. On some cars, lost keys can be dealt with so they no longer start it, and on others that is not available. We cannot promise it for every car. Ask when you call, and we will confirm what your vehicle supports, by VIN or in person.
Is a dealer ever the only option?
Sometimes, yes. Certain vehicles have key systems that only the manufacturer can supply or program. When your car falls into that group, we say so up front instead of sending a van that cannot finish the job. For most situations, though, a mobile locksmith is a practical choice.
How much does a lost car key replacement cost?
It depends on the make, model, and year, the type of key, whether programming is needed, how many keys you want, and where and when we are called. We do not quote numbers without knowing the vehicle. Call (213) 577-1366 and we will go through your specific car.
Can you help if I lost my keys at night or on a weekend?
Yes. Our phone line is answered 24 hours a day, 7 days a week, all year, and our mobile vans serve Northridge around the clock. Call (213) 577-1366, give us the vehicle details and your location, and we will tell you what to expect before anything starts.
Should I get a spare key made while you are there?
We recommend it. When we are already at the car with the equipment set up, making a second key is usually the more economical route compared with another call later. Keep the spare somewhere separate from your main key so one loss does not leave you with nothing again.
More locksmith help in Northridge
Lost Car Key Replacement near Northridge
Reviewed by David, Owner & Lead Technician, Wilshire Lock & Key — in the locksmith trade since 1987.
Last updated 2026-10-11.
