Should you replace the lock, repair it, or rekey it?
Most people searching for lock replacement are standing at a door that has stopped behaving. The key sticks halfway in. The knob spins without catching the latch. The deadbolt needs a shoulder shove to throw. Or the lock still works fine, but you no longer know how many copies of the key are floating around. Those are four different problems, and only some of them call for a new lock.
Replacement makes sense when the hardware itself is the problem: a cylinder worn smooth from decades of use, a latch mechanism that has failed internally, a lock that has been forced or damaged in an attempted break-in, or hardware so old and low-grade that it no longer deserves to guard your front door. It also makes sense when you want a different style, a different finish, or a real security upgrade.
If the lock works well and the only concern is who holds keys, rekeying the existing lock is usually the more economical route. If the lock is sound but has a loose part or a sticking action, lock repair may be all it needs. We would rather tell you that over the phone than sell you hardware you do not need. When we look at the door, we tell you plainly which of the three it is, and why.
- Replace: worn out, broken, forced, outdated, or being upgraded on purpose.
- Rekey: the lock is healthy but the old keys must stop working.
- Repair: the lock is basically sound but has a specific fault that can be corrected.
How does lock replacement work, step by step?
Replacement is straightforward work, but small details decide whether the new lock feels solid for years or becomes a nuisance in a month. Here is how a typical job goes when you call (213) 577-1366.
- You call and describe the door: front, back, garage entry, apartment, or business, and what the lock is doing. We answer around the clock, so this can happen at midday or in the middle of the night.
- We come to you with a mobile van carrying common hardware, or you can visit our Westwood storefront at 10740 Wilshire Blvd if the job is not urgent and you want to look at options in person.
- We examine the existing lock and the door itself: the bore holes, the latch and strike plate, the door edge, the frame, and how the door sits when closed. A good lock on a misaligned door will still fail early.
- We explain what we found and recommend replace, rekey, or repair. If replacement is right, we go through hardware grades and finishes so you choose with clear eyes.
- We remove the old hardware and fit the new lock, checking the latch and bolt alignment. Where a strike plate or reinforcement is part of the fix, we address it rather than ignore it.
- We test the action repeatedly with the door open and closed, hand you the keys, and show you how any new features work. You should leave knowing exactly what was done.
Locked out or need a locksmith now?
We answer around the clock, every day of the year.
Call (213) 577-1366Front door, house, and apartment lock replacement
A front door lock replacement is the most common request we see in residential work. The front entry takes the most daily use and the most scrutiny, so it is where worn hardware shows first. For a house lock replacement, we usually look at the knob or lever and the deadbolt together. Replacing one without considering the other can leave you with mismatched quality, one strong lock beside one tired one.
We can keyed-alike a set so a single key runs the front door and the back, which many households prefer. If you want a new deadbolt where there is only a knob, that is closer to deadbolt installation, and we are glad to handle it in the same visit.
Apartment lock replacement has its own rules of the road. Tenants generally should not swap a lock without the landlord's agreement, and landlords need records of who holds access. If you manage rental units, our work for landlords and property managers covers turnover changes and damaged-lock replacements in a consistent way. If you are a tenant locked out because a lock failed, we can help with that too, but we will want to know the landlord is aware of the situation before we alter hardware.
Business lock replacement and commercial security upgrades
Commercial lock replacement is a different job from a home swap, even when the lock looks similar. A storefront door opens and closes hundreds of times a day. Hardware that would last years on a bedroom door can wear out in a fraction of the time on a busy entrance. Staff turnover adds another layer: when someone leaves with a key, replacing or rekeying the cylinder becomes a security decision, not just a maintenance chore.
For business lock replacement we look at the whole door: the lock, the closer, the exit hardware, the frame, and the glass if there is any. Fire and exit requirements matter, because a lock that blocks a legal exit path creates a bigger problem than the one you started with. When a door needs more than a cylinder, our page on commercial door hardware explains what that work involves. We also handle commercial locksmith service, storefront lock repair, panic bars, door closers, access control, and master key systems as separate jobs, and we will tell you when a replacement should be paired with one of them.
A business security upgrade does not have to mean a full system. Sometimes it means moving from a basic keyed knob to a higher-grade lock, restricting key copying, or giving different staff different levels of access. We start with what you are protecting and work backward to the hardware.
- Retail and office entry doors with heavy daily use.
- Back and receiving doors that see less traffic but more risk.
- Locks that need changing after a staff change or a break-in attempt.
- Doors where exit hardware, closers, or frames need attention at the same time.
Locked out or need a locksmith now?
We answer around the clock, every day of the year.
Call (213) 577-1366What affects the cost of lock replacement in La Mirada?
We do not quote prices on a web page because the honest answer depends on the door in front of us. What we can do is tell you exactly what moves the cost up or down, so nothing surprises you.
The biggest factor is the hardware you choose. A basic residential lock and a high-security deadbolt are very different products, and finishes, brands, and features such as smart-lock capability change the cost further. Next is how many locks are involved. Replacing one lock is different from replacing every entry point in a house or every door in a small office, and fitting several locks to the same key adds a bit of setup work.
The condition of the door matters as well. If bore holes are damaged, a frame is split, or a strike plate is loose, fixing those properly is part of making the new lock work. Timing and location play a role too: a planned daytime visit to a home is a different job from an after-hours emergency call to a business. La Mirada is about 29 miles from our Westwood base, and travel is one of the factors we consider.
When you call, we ask a few questions and give you an honest sense of what the job involves. On site, we confirm the scope before we start work. If something changes once the old hardware comes off, we tell you before going further, not after.
- Hardware grade, brand, finish, and any smart features.
- Number of locks and whether they should share one key.
- Door and frame condition, including worn bore holes and strike plates.
- Time of day, urgency, and travel distance.
- Whether extra work such as reinforcement or exit hardware is part of the job.
What does lock replacement look like around La Mirada?
La Mirada was master-planned and largely built out in the 1950s, and single-story ranch tract homes dominate the city. In neighborhoods off Rosecrans Avenue, homes often change hands, and a sale is a natural moment to look at the locks. Rekeying is often enough, but when the original hardware has been through decades of use, replacing the front door lock is the better move. If it has never been changed, it is tired, and a new key to a tired lock is not much of an upgrade.
The climate adds one local wrinkle. La Mirada sits a bit farther inland than neighboring Gateway Cities and runs a few degrees warmer in summer, and seasonal heat can swell wood entry doors in the older tracts. A swollen door can make a deadbolt bind against its strike plate, and people often blame the lock when the door is the culprit. We check how the door sits before we replace anything, so you do not pay for a new lock that fights the same alignment problem. The upside of being inland is negligible salt-air exposure, so corrosion is rarely what ends a lock here; wear and age usually are.
Around the Biola University area, rentals and student housing see frequent key changes and the occasional failed lock, and we can help with a house lockout when a lock fails while someone is outside. Along the Foster Road corridor and in the Creek Park area, the story is mostly residential: front doors, back doors, and garage entries. Toward the Hillsborough and Knolls at Hillsborough area, homes tend to be newer and larger than the original tracts, which often means more entry points and more interest in matching hardware across them.
Condominium and townhome communities, including the La Mirada Landmark adult community, have HOA rules and controlled-access entries, so check what your association allows before changing exterior hardware. Smart-lock installation is common in HOA townhome communities near La Mirada Regional Park, and if you are thinking of going that route, our smart-lock installation page covers it. Retail centers along Imperial Highway and Valley View Avenue are where business lock replacement comes up most, from storefront cylinders to back-door hardware. Whatever the ZIP, 90638 or the adjacent unincorporated area of East La Mirada, the process is the same: look at the door first, then choose the lock.
Locked out or need a locksmith now?
We answer around the clock, every day of the year.
Call (213) 577-1366How do you choose a lock worth fitting?
Not every new lock is a security upgrade. A cheap replacement of a worn lock gets you back to working order, but it does not make the door any harder to defeat. If you want a genuine security lock upgrade, a few things matter more than the finish.
First, the grade of the lock: heavier internal parts, a thicker bolt, and a stronger strike plate. Second, how the lock resists common attacks such as picking, bumping, and forced entry. Third, the key control: whether copies can be made at any hardware kiosk, or only with authorization. Our page on high-security locks goes deeper on those options.
Finally, think about how the lock fits your life. If several family members or employees need access, you might prefer a keypad or smart lock. If you hand out keys to a house sitter or contractor, keeping copies under control matters. We can cut extra keys when the job is done and will explain how key duplication works for your specific lock.
- Choose a lock grade that suits the door's risk, not just its looks.
- Check that the strike plate and frame are strong enough to support the lock.
- Think about who needs keys and how copies will be controlled.
- Match finishes and keying across doors if you want one-key convenience.
Why call Wilshire Lock & Key for lock replacement?
We have been in business since 1987, and we serve 140 cities across Los Angeles and Ventura counties, La Mirada included. That is a long time to learn which hardware holds up and which does not, and to see how the same mistakes repeat on different doors.
We run a real storefront at 10740 Wilshire Blvd in Westwood plus mobile service vans. That means you can reach a real company with a real address, and when you call (213) 577-1366 you are talking to us, not a dispatch middleman who hands your job to whoever is closest. Our phone is answered 24 hours a day, 7 days a week, year-round.
David, the owner and lead technician, oversees the work. He cares whether a lock is fitted correctly and whether the customer understands what was done. If you want to talk through a job before booking, contact us or just call. If you would like to see our other services in town, visit our La Mirada page.
Ask any locksmith for their BSIS license
California requires locksmith companies to hold a license from the Bureau of Security and Investigative Services, known as a BSIS LCO license. Whoever you hire, ask to see it, and ask for the license number so you can check it with the state. A reputable company will answer without hesitation.
Beyond the license, trust your instincts on the way the company talks to you. You should get a clear explanation of what is wrong, a real company name and address, and a scope of work that is confirmed before the old lock comes off. If the person on the phone is vague about who is coming or what the job involves, that is worth noticing.
Frequently asked questions
How do I know if I need lock replacement or just a rekey?
If the lock works smoothly and you only want old keys to stop working, rekeying is usually the more economical route. If it is worn, damaged, forced, or outdated, replacement is the better choice. We check the lock and door and tell you honestly which fits.
Can you replace a broken lock at night or on a weekend in La Mirada?
Yes. Our phone is answered 24 hours a day, 7 days a week, year-round. Call (213) 577-1366, describe what happened, and we will work out the next step. After-hours calls can affect cost, but we explain what is involved before starting.
Do I need to replace all the locks on my house at once?
Not necessarily. Some people replace only the front door lock, while others prefer to do every entry point and key them alike. We can talk through the doors that matter most and fit the work to your needs.
Will a new lock fit my old door?
Usually yes, since most residential doors use standard bore sizes. But worn bore holes, a swollen wood door, or a damaged frame can cause trouble. We inspect the door first so the new lock actually sits and works as it should.
What is the difference between a standard lock and a security lock upgrade?
A standard replacement restores function. A security upgrade uses a stronger lock grade, better resistance to picking and forced entry, and tighter key control. We can explain the options for your door and what each one changes.
I rent in La Mirada. Can I replace my own lock?
Check your lease and talk to your landlord first. Many rentals require approval before hardware is changed, and the landlord may need a copy of the key. If a lock has failed, let the landlord know before we alter anything.
Do you handle business lock replacement in La Mirada?
Yes. We replace locks on storefronts, offices, and back doors, and we look at closers, exit hardware, and frames as part of the job when they matter. Busy doors wear faster, so we pick hardware that suits the traffic.
Can I install a smart lock when I replace my old one?
Often, yes, depending on the door and any HOA rules that apply to exterior hardware. We can discuss whether a keypad or smart lock suits you, or whether a traditional high-grade lock makes more sense for your situation.
Will you give me the old keys or lock after replacement?
We hand over the new keys and, if you want, the old hardware. Most people have us dispose of it. If you want to keep it, just say so before we start.
More locksmith help in La Mirada
Lock Replacement near La Mirada
Reviewed by David, Owner & Lead Technician, Wilshire Lock & Key — in the locksmith trade since 1987.
Last updated 2026-10-11.