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Wilshire Lock & Key

24/7 locksmith · Diamond Bar, CA

Automotive Locksmith in Diamond Bar, CA

Wilshire Lock & Key provides automotive locksmith service in Diamond Bar, CA for cars, trucks, motorcycles, RVs and fleets: lockouts, lost keys, key programming, and ignition problems. Our mobile vans come to you, and our line is answered 24 hours a day, 7 days a week at (213) 577-1366.

  • Since 1987
  • Westwood storefront + mobile vans
  • A person answers, day or night
Organized tool and key-blank shelves inside a locksmith work van

What does an automotive locksmith actually do in Diamond Bar?

An automotive locksmith deals with the locks, keys, and key electronics on a vehicle, and does it where the vehicle is parked. That is the whole job in one sentence, but the details vary a lot. Sometimes it is a plain lockout where nothing is wrong with the car except that the keys are on the seat. Sometimes it is a lost key with no spare anywhere. Sometimes it is a worn ignition that no longer turns, a key that snapped off in a door lock, or a fob that quit working.

We handle cars, pickup trucks, motorcycles, RVs, and fleet vehicles. If you searched for a car locksmith, a truck locksmith, or just a vehicle locksmith who will drive out to you, that is the service this page covers. We work from a storefront at 10740 Wilshire Blvd in Westwood and send mobile service vans out to Diamond Bar and the other 140 cities we serve across Los Angeles and Ventura counties.

Wilshire Lock & Key has been in business since 1987, and David, the owner and lead technician, oversees how we approach vehicle work. You are calling one company, not a dispatch service that sells your call to whoever is closest.

What happens when you are locked out or lose your key in Diamond Bar?

Diamond Bar is a commuter city. Plenty of residents leave a car at a park-and-ride lot near the SR-57/SR-60 interchange in the morning and come back in the evening, tired, to find the keys are not where they thought. Others are parked at a shopping center on Diamond Bar Boulevard or Grand Avenue with a cart full of groceries and a locked door. Those are ordinary, fixable problems, but they feel urgent because you are standing in a parking lot.

The situations we hear about most fall into a few groups:

  • Keys locked inside the vehicle, with or without the engine running.
  • A lost key with no spare, sometimes called an all-keys-lost situation.
  • A key that works in the door but will not start the car, or will not turn in the ignition at all.
  • A broken key, either snapped off in the lock or worn to the point that it slips.
  • A key fob that has stopped responding, lost its programming, or been dropped and cracked.
  • A stolen or misplaced key where you want the old one stopped from working.
  • A motorcycle or RV key lost on a trip or at a storage lot.

How do we handle an automotive locksmith call, step by step?

There is no secret to doing this well. It is mostly asking the right questions first so we arrive with the right tools and parts, then working carefully so your vehicle is not damaged.

  1. You call (213) 577-1366. A person answers, any hour, any day. Tell us where you are, what the vehicle is, and what happened.
  2. We ask for the make, model, year, and whether you have any working key. For key-making jobs we may also ask for the VIN, because it is the most reliable way to confirm what the vehicle needs.
  3. We tell you what the job likely involves and what will affect the cost, so there are no surprises when we arrive. We also give you an honest sense of when we can reach you, given where you are in Diamond Bar and where our vans are.
  4. A technician comes to your vehicle. Before we make a key or open a locked vehicle, we verify that you are the owner or authorized user, typically with photo ID and registration or other proof of ownership.
  5. We do the work: opening the door without damaging the paint, weatherstripping, or lock, or cutting and programming a key, or repairing the ignition or lock cylinder.
  6. We test everything with you there. Doors, trunk, ignition, fob buttons, and any spare keys are checked before we call the job done.
  7. We explain what we did and give you any remaining keys. If something should be watched, such as a worn ignition that may fail later, we say so plainly.

Locked out or need a locksmith now?

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

Call (213) 577-1366

Cars, trucks, motorcycles, RVs, and fleets: what is different about each?

A key is a key until you get into the details. Each vehicle type has its own quirks, and part of the job is knowing which questions matter for yours.

  • Cars and SUVs: The range is wide. Some vehicles use a simple cut key, some use a key with an electronic component, and some use a push-button start with a proximity fob. Which applies depends on make, model, and year, and we confirm by VIN or in person rather than guessing.
  • Pickup trucks: Trucks often have a cab door, a separate tailgate or toolbox lock, and sometimes a locking bed cover. If you want everything on one key, tell us up front. For a full-size work truck, a lost key can stop a job site, so tell us if it is urgent for work.
  • Motorcycles: The ignition, fork lock, and sometimes a seat or storage lock may each use different keys. A lost motorcycle key is easy to underestimate. We will explain what the particular model requires before we start.
  • RVs: A motorhome often has a cab key, a separate entry door lock, and storage bay locks. Those can all be different. Tell us which one you need, since an RV lock locksmith job depends on which lock is the problem.
  • Fleet vehicles: If you run vans or work trucks, you probably need keys cut and managed across several vehicles, plus a plan for when a driver loses one. We work with fleet managers on duplicate keys, lockouts, and keeping track of who has what. For business premises locks, see our commercial locksmith work.

What affects the cost of an automotive locksmith in Diamond Bar?

We do not publish numbers on this page because an honest number depends on facts we do not have until we know your vehicle and your situation. What we can do is tell you exactly what moves the cost up or down, so you can judge any quote you get, ours included.

The factors that matter most:

  • The type of job. A simple lockout is usually a lighter-cost service than making a new key from scratch. An ignition repair involves parts and more time.
  • The vehicle itself. Make, model, and year decide what kind of key is needed, what equipment is required to program it, and whether the key can be made by a locksmith at all.
  • Whether you have a working key. Copying an existing key is generally more economical than creating one when every key is gone.
  • The type of key or fob. A basic metal key, a chipped key, and a smart proximity fob are very different items with different costs.
  • How many keys you need. Having a spare made at the same visit is usually more economical than calling again later.
  • Time of day. Nights, weekends, and holidays mean pulling someone away from home, and that can affect the price.
  • Location. Diamond Bar is about 42 miles from our Westwood base, so distance is a real factor, and we will tell you how it affects your call.
  • Damage. A broken key in the lock, a damaged ignition, or a lock that has been forced may add parts and labor.

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 your vehicle?

There are no gimmicks here, just a few practical differences that matter when your car will not open or start:

  • We have been in business since 1987. That is a long time to see how vehicle locks fail and what actually fixes them.
  • We have a real storefront at 10740 Wilshire Blvd, Los Angeles, CA 90024, plus mobile vans. If something needs to be handled at the shop, there is a shop.
  • You deal with one company, not a dispatch middleman who passes your call along to whoever answers. The person you talk to is connected to the person who comes to your vehicle.
  • David oversees the work as owner and lead technician, so there is someone accountable for how jobs are done.
  • The phone is answered around the clock, every day of the year, at (213) 577-1366.
  • We say plainly when something is outside what a locksmith can do, including cases where a vehicle may need the dealer.

Where in Diamond Bar do we help with vehicle locks and keys?

Diamond Bar was master-planned from the 1960s onward, and its layout shapes how vehicle problems show up. Much of the city is hillside tract homes built in the 1960s through the 1980s, so many calls involve a car parked on a sloped driveway or the street in front of a house. In Diamond Point, the Sunset Crossing Road area, South Pointe, and the Summitridge area, a typical call is a household that has misplaced one of its key sets or a teenager who locked a spare set in a car.

Along the Golden Springs Drive and Diamond Bar Boulevard corridors, condos and townhome clusters mean shared parking and an HOA. If you are in a complex like that, tell us where the car is and whether there is a gate, visitor parking, or a space number, so our technician can find you without delay. The Country Estates is guard-gated and made up of large custom homes on estate lots. For a vehicle call there, let the gate know we are coming and give us the guard contact, since that makes our entry easier.

One of the most common local situations is the commuter lockout at the park-and-ride lots near the SR-57/SR-60 interchange. Someone parks for the day, returns, and finds keys inside or a fob that will not respond. We can come to the lot, verify ownership, and get you moving. The same applies to cars parked at Diamond Bar Center at Summitridge Park, Pantera Park, Sycamore Canyon Park, Heritage Park, or the Diamond Bar Golf Course, or at the shopping centers on Diamond Bar Boulevard and Grand Avenue, and along the Brea Canyon corridor.

The climate matters a little. Diamond Bar has hot summers and wind funneling through Brea and Tonner Canyons. Heat and dust are hard on exterior hardware, and dust in an exterior keyway is a realistic cause of a stiff lock or a key that sticks. If your door lock has been feeling rough, bring it up when you call before it fails on you. Whatever the ZIP, 91765 is our service area in Diamond Bar, and we come to you.

Locked out or need a locksmith now?

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

Call (213) 577-1366

Should you use a locksmith or the dealer?

Sometimes the dealer is the right call, and we would rather tell you than waste your time. Some vehicles, depending on make, model, and year, can only have keys originated through the dealer or the manufacturer's system. We do not guess about that. We confirm by VIN or in person, and if your vehicle falls in that group, we will say so before you pay for anything.

In many other cases, a locksmith can come to your location, which saves towing the vehicle somewhere. That convenience is often the main reason people call us. If your car cannot be driven and you are not near a dealer, a mobile visit may be the more economical route, but that depends on the vehicle and the key type, so we confirm the details first.

If you are locked out and not in a hurry, we also cover the basic car lockout service as a separate service page. If a key is gone entirely, our lost car key replacement service goes into more detail.

How do you check an automotive locksmith before you hire one?

California requires locksmith companies to hold a license from the Bureau of Security and Investigative Services (BSIS), called an LCO license. You should ask any locksmith, including us, for the license number before work begins, and you can check it with the state.

Beyond the license, a few other things are worth confirming. Ask for the company name and street address. Be wary of anyone who will not give you the business name when they answer the phone. Ask what factors affect the cost, and be cautious if you get a very low number that cannot be explained. Expect the technician to ask for proof you own the vehicle. A legitimate locksmith will, and it is there to protect you.

If you want to talk through your situation before committing, you can reach us here or call (213) 577-1366 any time.

Frequently asked questions

Can you come to me if my car is locked in a Diamond Bar parking lot?

Yes. Our mobile vans come to the vehicle, whether it is in a park-and-ride lot, a shopping center, a park, or your own street. Call (213) 577-1366 and give us the exact location, the make, model, and year, and what happened. If you want more on how our vans work, see our mobile locksmith page.

Do you work on cars at night and on weekends?

Yes. Our phone is answered 24 hours a day, 7 days a week, all year, at (213) 577-1366. Nights, weekends, and holidays can affect cost, and we will tell you how before we dispatch.

What if I lost my only car key?

That is a common situation, and it can usually be solved without towing, but it depends on the vehicle. We confirm what your car needs by VIN or in person, then explain the options. Some vehicles may need the dealer, and we will tell you honestly if yours is one. Our transponder key programming page explains what is involved when a key has an electronic component.

My key fob stopped working. Do I need a new one?

Not always. A fob may only need a new battery, reprogramming, or repair of a worn button. Others do need replacement. We check it first and tell you which it is. See our key fob replacement page for details.

My key goes in the ignition but will not turn. What is wrong?

It might be a worn key, a worn ignition cylinder, a steering lock that is binding, or something else. Try turning the wheel gently while turning the key, but do not force it. If that does not help, call us before the key breaks. We cover this on our ignition repair page.

Do you do motorcycle and RV keys?

Yes. Motorcycles and RVs often have several separate locks, such as ignition, fork lock, storage, or entry door, so tell us which one you need. We confirm what the specific vehicle requires before starting.

Can you help with a fleet of vehicles?

Yes. We can cut and duplicate keys, handle lockouts, and help you set up a simple process for tracking who holds which key. Call us with the number and types of vehicles, and we will explain how we would approach it.

Will you need proof that the car is mine?

Yes. We ask for photo ID and registration or other proof that you own or are authorized to use the vehicle. It is a normal step for any legitimate locksmith and protects you from someone else getting a key to your car.

Is this the same as an emergency locksmith call?

Many vehicle calls are urgent, and we treat them that way. If your situation involves a broader emergency, such as a home or business as well, see our emergency locksmith page.

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

Last updated 2026-10-11.

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