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Wilshire Lock & Key

24/7 locksmith · Sierra Madre, CA

Change Locks in Sierra Madre, CA

Wilshire Lock & Key handles change locks service in Sierra Madre, CA, around the clock. Whether you just bought a house or moved in, we'll help you decide between rekeying and replacing, then do the work on site. Call (213) 577-1366, answered 24 hours a day, seven days a week.

  • Since 1987
  • Westwood storefront + mobile vans
  • A person answers, day or night
Locksmith using a pick tool on a residential door lock at night

Should you rekey or replace when you change locks?

Most people who search for a lock change service are really asking one question: do I need new locks, or just new keys? The answer decides the cost, the time on site and how the doors feel afterward, so it's worth getting right before anyone picks up a drill.

Rekeying keeps the hardware you already have and changes what's inside the cylinder, so the old keys stop working and a new key takes over. Replacing removes the lockset and installs a different one. Both end the same way: the keys held by the previous owner, a former tenant, a contractor or a neighbor no longer open your door. We go deeper on each option on our lock rekey and lock replacement pages. This page is about making the choice.

Our honest starting point is simple. If a lock turns smoothly, is solidly built and you're fine with how it looks, rekeying is usually the more economical route. If it's worn, loose, damaged, or you just don't trust it, replacing makes more sense. We look at the actual lock in the actual door before recommending either one, and we'll say so plainly when the lighter-cost option is the right call.

Why change locks after buying a house or moving in?

When you buy a house, you're handed a few keys. Nobody hands you a list of every key that exists. Over the years, a home collects copies in places you'll never see, and a lock change is the one step that resets all of it at once. That's why a locksmith for a new house is usually one of the first calls a new homeowner makes, ideally before the first night under the new roof.

The same reasoning applies if you're renting, moving in with a partner, or leaving a shared household. Anyone who ever had a key can still use it until the lock is changed.

  • Copies given to relatives, cleaners, dog walkers or house-sitters by earlier occupants
  • Keys left with contractors, painters and movers during the sale or remodel
  • Keys held by real estate agents, former tenants or the previous owner's neighbors
  • Keys that were lost years ago and never reported
  • A spare hidden outside that the previous owner never mentioned

How a lock change visit works, step by step

Here's what a typical visit looks like, from the first call to the last key. Nothing in it is a mystery, and you can ask us to explain any part as we go.

  1. You call (213) 577-1366. A person answers at any hour, any day. Tell us the address, how many exterior doors you have, what the locks look like, and whether anyone is locked out right now.
  2. We send a mobile van from our own company. There's no third-party dispatch service reselling your call to whoever is nearest.
  3. We inspect every lock involved: brand, condition, how the bolt meets the strike plate, and whether the door itself has shifted or warped.
  4. We tell you what we recommend door by door. Some doors may be rekeyed, others replaced, and we explain why before any work starts.
  5. We do the work, then test each deadbolt and latch with the door open and closed, because a lock that works on the bench can still bind in a frame.
  6. We cut and test the keys, and if you want several doors on one key, we set that up and check every door with it.
  7. We walk you through the result, confirm you have every key, and answer questions about what to do next.

Locked out or need a locksmith now?

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

Call (213) 577-1366

When replacing is the better choice than rekeying

Rekeying isn't always possible or sensible. Some locks can't be rekeyed, some are too worn to be worth keeping, and some situations call for a different kind of hardware altogether. These are the cases where we usually steer people toward new locks:

  • The lock sticks, wobbles or has a loose handle, and rekeying it would just give you a new key for a failing lock
  • The hardware is damaged from a break-in attempt, a forced door or years of rough use
  • The doors have a mix of mismatched locks and you'd like a consistent set
  • There's no deadbolt, or the existing one is a low-quality model you'd rather upgrade, which is where deadbolt installation comes in
  • You want keypad or app-based entry and would like to look at smart lock installation
  • The finish is worn, corroded or simply doesn't suit the house anymore

What affects the cost of changing locks?

We don't quote numbers on a web page, because the honest answer depends on your doors. What we can do is tell you exactly what moves the cost up or down, so nothing at the door surprises you.

  • How many locks or cylinders are involved, since a front door with a deadbolt and a handle set is more work than a single knob
  • Whether you rekey or replace, with rekeying generally being the lighter-cost route when the hardware is sound
  • The grade and brand of any new hardware you choose
  • Whether you want every door keyed alike, or separate keys for separate doors
  • The condition of the door and frame, because a misaligned bolt or damaged bore may need correcting first
  • Special hardware such as restricted-key or high-security cylinders
  • How many extra keys you need cut
  • The hour and the location of the call, since a late-night visit to a hillside lane is a different job than a daytime one

What changing locks looks like in Sierra Madre's older homes

Sierra Madre is a small foothill town of early-1900s cottages, Craftsman homes and mid-century houses, and most doors here belong to older single-family houses with legacy hardware. That shapes how a lock change goes. Old knobsets and aged deadbolts are often still working, which can make rekeying attractive, but we check each one, because a lock that has been in a door for decades may be worn inside even when it looks fine.

In Sierra Madre Canyon, we're often rekeying older cottages and cabins on narrow lanes. Access is the real variable there. When you call, tell us about parking, the width of the lane and any gate between the road and your door, so our mobile locksmith van arrives with the right plan. Up on the north hillside below Bailey Canyon and along the Baldwin Avenue corridor, a lock change often turns into gate and side-door work as well, and we can look at a worn latch with our gate lock repair service while we're there.

Downtown, around Kersting Court and the Sierra Madre Boulevard corridor, you'll find the few small complexes in town, so a lock change there may involve several doors at once and a conversation about who needs which key. Whether you're in 91024 itself or just outside the line near Hastings Ranch in Pasadena or near Arcadia Highlands, the process is the same.

Climate matters too. Directly below the San Gabriels, the town gets strong Santa Ana winds, hot dry summers and heavy canyon runoff in wet winters. Sun and wind dry out and crack wood doors on hillside homes, and a door that has shifted can make a brand-new deadbolt bind or miss its strike plate. When we change locks here, we check the door, not just the lock. Our storefront is in Westwood, about 27 miles from Sierra Madre, and our vans cover Los Angeles and Ventura counties, so this is a regular part of our service area.

Locked out or need a locksmith now?

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

Call (213) 577-1366

A new homeowner's checklist for the first week

A lock change is the biggest security step, but it isn't the only one. After your locks are changed, a few other things are worth handling while you're settling in.

Decide who actually needs keys and have them cut right away, rather than lending your only set. If you need spares, our key duplication service covers that once the new keying is in place. Also remember that garage door remotes, alarm codes, gate codes and Wi-Fi credentials can all be shared by previous occupants. Those aren't locks, but they matter just as much, so reset them too.

  • Collect and label every key you were given at closing or move-in
  • Make a short list of who should have a key to each door
  • Check side doors, back doors, sliding doors and any garage entry, not just the front door
  • Look at the mailbox lock and any outbuilding, shed or gate locks
  • Reset codes on alarms, keypads and garage openers
  • Keep one spare key somewhere inside your control, not under a flowerpot

Why call Wilshire Lock & Key to change your locks?

We've been in business since 1987, and we serve 140 cities across Los Angeles and Ventura counties, Sierra Madre among them. Over that time we've learned that the most useful thing we can offer on a lock change is a straight answer about what the job needs and what it doesn't.

  • In business since 1987, so we've seen most of what old hardware can do
  • A storefront at 10740 Wilshire Blvd in Westwood plus mobile service vans
  • One company, start to finish, with no dispatch middlemen between your call and the technician
  • David, the owner and lead technician, oversees the work
  • Our phone, (213) 577-1366, is answered 24 hours a day, 7 days a week, year-round

Questions to ask any locksmith, including us

California requires locksmith companies to hold a license through the Bureau of Security and Investigative Services, known as a BSIS LCO license. Ask any locksmith for that license number before they start work, and ask us as well. A company that works honestly will answer without hesitating.

Also ask whether the person at the door works for the company you called, whether the cost drivers will be explained before work begins, and whether old keys will actually stop working when the job is finished. Those three questions tell you a lot. If you're locked out while all this is happening, our house lockout service gets you inside first, and the lock change can follow right after.

Frequently asked questions

Do I really need to change the locks after buying a house in Sierra Madre?

You don't have to, but we recommend it. You have no way of knowing how many copies of the old keys exist, and older homes like the cottages and Craftsman houses here have often passed through several owners, tenants and contractors. Rekeying or replacing is the only way to be sure the old keys no longer work.

Is rekeying as secure as installing new locks?

When the existing lock is in good condition, rekeying changes which key operates it, so the old keys stop working. Security then depends on the quality and condition of the lock itself. If the hardware is worn or low-quality, replacing it is the sounder choice. We tell you which situation you have after we see the lock.

Can you rekey the old locks in Sierra Madre Canyon cottages?

Often yes, but it depends on the lock. Some legacy hardware can be rekeyed, and some is too worn or too unusual to be worth saving. We confirm by inspecting it in person rather than promising over the phone, and if replacing is the better path, we'll explain why.

How much does it cost to change locks in Sierra Madre?

It depends on the number of locks, whether you rekey or replace, the hardware you choose, any door or frame problems, how many keys you need, and the hour and location of the visit. Rekeying sound locks is usually the more economical route. We explain what applies to your doors before work starts.

Can all my doors work with one key?

Yes, in most cases. We can set up front, back and side doors so one key opens them all, or keep certain doors separate if you'd rather, such as a detached outbuilding or a shared entry. Tell us what you want when you call so we can bring the right parts.

Will you come out at night or on weekends?

Yes. Our phone is answered 24 hours a day, seven days a week, year-round, and the same company that answers sends the van. Tell us about parking, lane width or gates when you call, especially in the canyon or on the hillside.

Can I change the locks myself?

You can, and some people do. The usual trouble is that a new lock doesn't line up with an older, shifted door, or that the wrong hardware is bought for the existing bore. If you're unsure, we're glad to look, and we'll tell you if a job is simple enough to do yourself.

Can I switch to a smart lock while I'm changing locks?

Yes. If you'd like keypad or app-based entry, we can discuss it during the lock change. Our smart lock installation page explains the options, and we'll check that the door and frame are in good shape for the new hardware.

More locksmith help in Sierra Madre

Change Locks near Sierra Madre

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

Last updated 2026-10-11.

Ready for change locks in Sierra Madre?

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

Call (213) 577-1366
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