What does a lock replacement actually involve?
Lock replacement means we take out a lock that is damaged, worn out, or no longer right for the door, and fit new hardware in its place. That can be a single front door knob set, a deadbolt that has started to bind, a mortise lockset on an old wood door, or every lock on a small storefront. It is different from rekeying, where the lock body stays and only the internal pins change. When the hardware itself is the problem, new hardware is the honest fix.
People usually call us for one of a few reasons. A key snapped and the cylinder is chewed up. The latch no longer catches because the door has shifted. A lock that was fine for years now takes a jiggle and a shoulder push to open. Or someone has simply decided the old hardware is not good enough for the way they live or work now. Each of those has a slightly different answer, and part of our job is telling you which one you actually have before anything gets unscrewed.
Because our phone is answered around the clock, a broken lock at night does not have to wait until morning. If a door will not lock at all, call (213) 577-1366 and we will talk through how to keep the property secure while we get a technician to you.
Should you replace the lock, or fix or rekey it instead?
Not every troublesome lock needs replacing, and we would rather tell you so than sell hardware you do not need. Here is how we usually sort it out when we look at a door.
A simple rule of thumb: if the hardware is solid and your only worry is who holds a key, rekeying is usually the more economical route. If the hardware is failing, paying for a repair that will not last is the poorer trade. We look at the lock in person and tell you plainly which side of that line it falls on.
- Replace when the cylinder is worn, the key turns roughly or sticks, the finish has failed, or parts are loose and cannot be tightened. Worn internals do not heal on their own.
- Replace when the lock is a low-grade set that has been on the door for decades and you want a real security lock upgrade.
- Replace after a break-in attempt where the latch, strike, or cylinder was forced, bent, or cracked.
- Repair instead when the lock is sound but has a sticking latch, a loose handle, or a misaligned strike. Our lock repair service covers that.
- Rekey instead when the hardware is in good shape and you only need old keys to stop working, for example after moving in. See our lock rekeying page for how that works.
Locked out or need a locksmith now?
We answer around the clock, every day of the year.
Call (213) 577-1366How does a lock replacement visit work, step by step?
We keep the process simple and we explain each stage as we go, so there are no surprises at the end of the job.
- You call (213) 577-1366. We ask which door it is, what kind of lock is on it, what is going wrong, and whether the door can be secured right now.
- A technician comes to you in one of our mobile vans and inspects the lock, the latch, the strike plate, the bore holes, and the condition of the door and frame around them.
- We explain what we found and lay out the options, including the lighter-cost one, before any work starts. You decide.
- We remove the old hardware and check the door preparation: bore size, edge cut, backset, and the wood or metal around the strike.
- We fit the new lock, align the strike, and adjust until the bolt throws fully and the latch closes without forcing the door.
- We test every key from both sides, with the door open and closed, then hand over the keys and show you how the hardware works.
- If you want one key for several doors, we can supply matching keyed-alike sets so you are not carrying a ring of different keys.
What is different about house, apartment, and business lock replacement?
The steps are similar, but the questions change with the building.
For a house, front door lock replacement is the usual call, and the decisions are about grade, finish, handing, and whether the new knob or lever should match a deadbolt. Back doors, side doors, and patio doors often get forgotten, and a good set on the front with a weak one around the back does little. We will point that out when we see it.
Apartment lock replacement has its own wrinkles. If you rent, check your lease and talk to your landlord before changing a lock, because many buildings want to control which hardware is used. If you manage units, consistent hardware makes turnover simpler, and our page on locksmith work for landlords explains how we handle repeat work across several doors.
Commercial lock replacement and a business security upgrade call for heavier-duty cylinders, storefront-rated hardware, and sometimes a plan for who carries which key. If a glass door or aluminum storefront latch is failing, see storefront lock repair. If your staff need different levels of access, a master key system may be the better answer than replacing locks one at a time.
What affects the cost of lock replacement?
We do not quote numbers 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 the quote you hear on site makes sense.
Ask any locksmith to explain their quote in these terms. If they cannot, that is worth noticing.
- The grade and brand of the lock. A basic residential set and a high-security deadbolt are very different products.
- How many locks are being replaced, and whether they are keyed alike or each on its own key.
- Whether the door is standard prepared or needs boring, chiseling, or repair before new hardware will fit.
- The type of door: hollow core, solid wood, metal, glass, or an older door with a mortise pocket.
- Whether you need a standard cylinder, a restricted-key system, or electronic hardware.
- The time and place of the call. After-hours and emergency work involves a technician who is standing by for you, and that is reflected in the quote.
- Whether the job is a straight swap or a repair first, such as a damaged strike or a cracked door edge.
Locked out or need a locksmith now?
We answer around the clock, every day of the year.
Call (213) 577-1366Why call Wilshire Lock & Key for a replacement?
There are plenty of ways to find a locksmith online, and not all of them lead to a real local company. Here is what we can honestly point to.
- We have been in business since 1987, so we have seen decades of lock designs come and go, including old hardware that most newer technicians have never taken apart.
- We have a storefront at 10740 Wilshire Blvd in Westwood and mobile service vans, so there is a real place behind the phone number.
- You deal with one company. We do not pass your call to a dispatch middleman who sends whoever is free.
- David, the owner and lead technician, oversees the work. If a job is unusual, he is the person who decides how it gets done.
- Our phone is answered 24 hours a day, 7 days a week, all year, including holidays, at (213) 577-1366.
What does lock replacement look like around Whittier?
Whittier has some of the oldest housing in southeast Los Angeles County, and that shapes the work. Victorian-era and Craftsman homes from the city's 1887 Quaker-founding period surround Uptown Whittier and Whittier College, including the College Hills area. Many still carry original mortise locksets and vintage hardware. On those doors, replacement is rarely a quick box-store swap. The mortise pocket has a fixed size, the faceplate has to line up with the old cut, and a sound original lockset is sometimes worth keeping and repairing rather than replacing. When it is worn beyond saving, we look for a new mortise lock that fits the existing pocket so the door is not butchered.
The climate matters too. Whittier sits against the Puente Hills and runs warmer than the coastal plain, and Santa Ana winds periodically push hot, dry air across the hillsides. Add the wet-winter and dry-summer cycle and the old wood doors common in the historic districts swell and shrink through the year. A lock that binds in winter can feel fine in August, and the reverse. Before we blame the hardware, we check how the door sits in the frame, because a new lock on a door that rubs will start binding again.
East Whittier is dominated by mid-century ranch tracts, where original front door sets are often decades old and due for a security lock upgrade. Friendly Hills and Rideout Heights carry larger custom hillside homes, usually with more entry points: side doors, patio doors, and garage service doors. In a house like that, replacing the front lock alone leaves gaps, so we usually walk the perimeter with you and note which doors deserve attention first. Across ZIP codes such as 90601, 90602, and 90605, the same pattern repeats: older hardware, multiple doors, and a mix of owners and renters.
Apartment stock concentrates near Uptown and along Whittier Boulevard, and student rentals near Whittier College bring frequent turnover, which is when worn or lost-key situations tend to surface. Along the Greenleaf Avenue business district, storefront doors take daily wear and sometimes need commercial lock replacement. Businesses around Whittwood Town Center ask for commercial lock and master-key work, which usually means planning the hardware as a system instead of one door at a time. For emergencies, our Whittier locksmith overview lists everything else we do in the city.
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 security lock upgrade that makes sense?
A security lock upgrade is not always about buying the most expensive product. It is about matching the lock to the door and to the risk. A strong deadbolt in a weak frame can still be kicked in, and a good frame with a worn lock invites trouble. We look at the whole door and give you a short list of what would actually help.
If you want a stronger deadbolt added alongside a new knob set, see deadbolt installation. If you are weighing keypad or app-controlled hardware, our smart lock installation page covers the trade-offs, including batteries and backup keys. For doors where pick and drill resistance matters, read about high-security locks.
One more thing worth knowing: California requires locksmith companies to hold a BSIS LCO license, and you should ask any locksmith you are considering for their license details before work begins. A reputable company will not mind the question.
Frequently asked questions
Can you replace a lock the same day I call in Whittier?
We answer the phone 24 hours a day and we will get a technician to you as soon as we can. Timing depends on where our vans are and what else is happening, so we will give you a realistic arrival window on the phone rather than a promise we cannot keep. If your door will not lock, tell us right away and we will help you secure it in the meantime.
Do I need to replace the whole lock, or just the cylinder?
Sometimes only the cylinder is worn and the rest of the hardware is fine, which can be the lighter-cost fix. If the latch, handle, or deadbolt body is also damaged or the set is very old, replacing the whole lock makes more sense. We inspect it in person and explain which one applies.
Will a new lock fit my old wood door?
Usually yes, but older doors often need small adjustments. Bore sizes, edge cuts, and strike positions vary, and wood that has swelled or shrunk can change how the door sits. We check the door's fit and prepare it as needed so the new lock works smoothly.
Can you replace a mortise lock on a Craftsman home?
Yes. Mortise locksets are common on older Whittier homes, especially near Uptown and the college area. We look for a replacement that fits the existing pocket, and if the original can be repaired and kept, we will tell you that option too.
How do I know whether I need replacement or rekeying?
If the lock is working well and you only want to stop old keys from working, rekeying is usually enough. If the lock is worn, damaged, stiff, or low quality, replacement is the better call. Tell us what is going on and we will recommend one or the other after we see the hardware.
Can you replace locks in a rental or apartment?
Yes, but check your lease and speak with your landlord or property manager first, because many rentals require approval or specific hardware. If you manage rental units, we can work with you on consistent hardware across doors.
Do you handle commercial lock replacement for Whittier businesses?
Yes. We replace storefront locks, office door hardware, and other business locks, and we can set up keying so staff carry only the keys they need. If you want a larger business security upgrade, we can talk through access options after looking at your doors.
Can all my doors use the same key?
In most cases, yes. We can supply new locks keyed alike so one key opens several doors. Some specialty locks have limits, so we confirm what is possible when we see the hardware.
What should I have ready when I call?
Know which door needs work, what the lock looks like, and what is wrong with it. A quick photo helps if you can send one. Have your address and ZIP code ready, and tell us whether the door can currently be locked. Call (213) 577-1366 and we will take it from there.
More locksmith help in Whittier
Lock Replacement near Whittier
Reviewed by David, Owner & Lead Technician, Wilshire Lock & Key — in the locksmith trade since 1987.
Last updated 2026-10-11.