When does a lock need to be replaced instead of fixed?
Most locks do not fail all at once. They give warning first. The key starts to stick going in, or you have to jiggle it and lift the door a little before the bolt will turn. The deadbolt throws only part of the way. The handle sags or spins loose on its spindle. Eventually one day the key turns and nothing happens, or it snaps off in the cylinder. That is usually the moment people call us, and it is a fair moment to ask whether the lock should be replaced.
Replacement makes sense when the damage is inside the lock body and parts are worn past the point of a sensible repair. It also makes sense when the lock has been forced, pried, or drilled, when the hardware is so old that nobody makes matching parts, or when you simply do not trust what is on the door anymore. If the lock is sound and your only concern is who holds keys, a different service is the lighter-cost answer, and we will tell you that rather than sell you hardware you do not need.
Here are the situations where we most often recommend a full swap:
- A lock that has been damaged in a break-in attempt, even if it still seems to work
- A broken lock where the cylinder, latch, or internal springs have failed
- Hardware that is loose, corroded, or visibly worn through years of daily use
- Mismatched locks from several different eras that all need different keys
- A security lock upgrade, such as moving from a basic knob lock to a proper deadbolt setup
- A door that was modified, re-hung, or replaced and no longer lines up with the old lock
How does lock replacement work, step by step?
We keep the process simple and we explain each choice as we go. You should never be surprised by what ends up on your door. Here is how a typical house or apartment lock replacement goes.
- You call (213) 577-1366 and describe the problem: which door, what the lock is doing, and whether you are locked out. If you are, we sort out getting you in first.
- We come to you in one of our mobile vans, and a technician looks at the door, the existing lock, the strike plate, and the frame before anything is removed.
- We explain what failed and whether replacement is really the right call, or whether a repair or a rekey would do the job.
- You choose the hardware. We lay out the realistic options for your door and your use of it, from straightforward residential grades to higher-security cylinders.
- We remove the old lock, check that the door bore and edge are clean and square, and fit the new hardware so the bolt travels fully into the frame.
- We test it repeatedly with the door open and closed, check how the latch meets the strike, and hand you every key.
- We talk through anything else we noticed, such as a loose strike plate or short screws, and leave the decision with you.
Locked out or need a locksmith now?
We answer around the clock, every day of the year.
Call (213) 577-1366Replace, rekey, or repair: which is right for your door?
These three get confused all the time, so it helps to separate them. A repair fixes a lock that has a specific fault, like a sticking latch or a worn cylinder, and we cover that on our lock repair page. A rekey keeps the same lock hardware but changes the internal pins so old keys stop working and new ones take over. That is covered on our lock rekey page, and it is often the more economical route when the hardware is in good shape and you only need to cut off old key holders, such as after buying a home or after a tenant moves out.
Replacement is the right call when the hardware itself is the problem. If the lock is physically damaged, badly worn, or too low in quality for what it is protecting, new keys on old hardware only solves half the issue. There is also a middle case: the lock works, but the grade is weak. A light knob set on an exterior door can be defeated far more easily than a solid deadbolt, so swapping the hardware gives you a real improvement in security, not just new keys.
We will not push replacement when rekeying or repair is enough. We have been doing this work since 1987, and honest advice is how we keep customers coming back. If we look at your lock and say it has plenty of life left, that is what we will tell you.
What affects the cost of lock replacement in Valley Glen?
We do not quote prices on a web page, because the real number depends on your door and your hardware, and a figure on a screen would be a guess. What we can do is show you exactly what moves the cost up or down, so you can judge any quote you get from us or anyone else.
The main factors are:
- Hardware grade: a basic residential knob set and a high-security deadbolt are very different products, and the price gap reflects real differences in materials and pick or drill resistance.
- Number of locks: replacing one front door lock is a different job from replacing every exterior lock on a house or a whole apartment building.
- Door condition: a door that is warped, poorly drilled, or damaged by a forced entry attempt may need extra work before the new lock will sit and work properly.
- Keying: having all locks keyed alike, or adding restricted keys that cannot be copied at a hardware store, adds to the job.
- Finish and style: matching existing handles, finishes, or a particular look affects which hardware is available.
- Time of day: a night, weekend, or holiday call is a different situation from a scheduled daytime visit, and we will tell you how that affects the quote before work starts.
- Extras: smart or keypad features, new strike plates, reinforcement plates, or frame repair all go beyond the lock itself.
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: what we install
For a front door lock replacement, we usually start from the way the door is used. A busy family entry needs hardware that takes daily wear. A back door that rarely opens can carry something different. A side gate has its own needs. We work with the door you have rather than forcing a one-size-fits-all setup.
Where the existing setup is just a knob lock or a weak latch, the better answer is often a proper deadbolt in addition to the main lock. We cover that in detail on our deadbolt installation page. If you want something sturdier than standard residential hardware, our high-security locks page explains cylinders that resist picking, bumping, and drilling, along with key control that stops unauthorized copies. And if you are weighing keypad or app-based entry, see our smart lock installation page for what to expect and where a traditional lock is still the smarter pick.
For apartments, the questions are slightly different. Tenants usually need written permission before changing a lock, and landlords have obligations about keeping units secure between occupants. If you manage rental units, our locksmith for landlords page describes how we handle multi-unit work, turnovers, and keying so you are not juggling a drawer full of mismatched keys.
Business lock replacement and security upgrades
Commercial lock replacement follows the same logic as residential work, but the stakes and the hardware are different. Storefront doors, back-of-house entries, office suites, and stockroom doors all see heavier traffic and have to meet different expectations. Commercial-grade hardware is built for more cycles per day, and the doors themselves are often metal or glass with specific preparation needs.
A business security upgrade is rarely just about one lock. It can mean replacing worn cylinders, moving to a keying plan where staff keys open only what they should, or tightening up after a former employee left with keys. Sometimes the right first step is simply replacing the cylinders and rekeying everyone onto a clean set. Our commercial locksmith page covers the wider range of business work, from door hardware to access control.
When we look at a business door, we check that the lock, the closer, the strike, and the frame work together. A new lock on a door that does not close fully is only a partial fix, so we flag those details and leave you to decide what to address.
Lock replacement around Valley Glen: what we see locally
Valley Glen is mostly postwar single-family tracts from the 1940s and 50s, with apartment buildings concentrated along Victory and Vanowen. The neighborhood was carved out of Van Nuys and North Hollywood in the late 1990s, so the housing and hardware you find here look a lot like those older postwar areas. In practice, that means many homes in ZIP codes 91401, 91405, and 91606 are old enough that the original hardware may long since have been swapped, patched, or mixed with newer pieces. A door can carry a decades-old knob set beside a deadbolt added years later by someone else, and nobody knows how many keys exist.
One scenario we see often in the area is a home purchase. A buyer gets the keys to a postwar tract house and has no idea who else has copies. For many of these homes, a rekey is the first move, but if the locks are worn, mismatched, or damaged, replacement is the cleaner way to start fresh, and a new set of matched locks is easier to live with. Near Los Angeles Valley College, student rentals bring a different pattern, with high turnover and many keys in circulation, which is another case where replacing worn hardware and keeping a clean key record helps.
Along the Victory Boulevard corridor and the Burbank Boulevard and Oxnard Street corridors, apartment buildings and small businesses have their own needs, from unit doors to shared entries. Properties backing the Tujunga Wash Greenway often rely on gates and padlocks, which see weather and wear of their own. Around the Fulton Avenue area and the rest of the neighborhood, the work tends to be straightforward residential replacement.
The climate matters too. Valley Glen sits on the central valley floor with hot, dry summers, and heat-driven expansion of doors and weatherstripping is the main seasonal issue. A door that swells in summer can bind against the frame, pushing the bolt out of line and stressing the lock. When we replace a lock here, we check the alignment of the latch and strike with that in mind, because a lock that fits perfectly in a cool morning can drag in afternoon heat. Our storefront is about 13 miles away in Westwood, and our mobile vans serve Valley Glen directly.
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 lock replacement?
We have been in business since 1987, and we have a real storefront at 10740 Wilshire Blvd in Westwood, plus mobile service vans that come to you. When you call (213) 577-1366, you reach us, not a call center that sells your job to whoever is available. One company handles the call, the visit, and the work, with no dispatch middlemen in between.
David is the owner and lead technician, and he oversees how the work is done. That means a consistent standard for how locks are fitted, tested, and explained. We answer the phone 24 hours a day, 7 days a week, year-round, so if a lock fails at night or on a holiday, you can reach a person. If you are locked out as well, our emergency locksmith page explains how we handle those calls.
We keep the advice plain. If your lock can be repaired or rekeyed for less trouble, we say so. If the hardware is truly done, we explain why and show you the options.
What should you ask any locksmith before they start?
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 for it and ask for the license number. A legitimate company will give it without fuss.
A few other questions are worth asking before anyone touches your door:
- Will you explain the price factors before starting, and tell me if anything changes?
- What brand and grade of hardware are you proposing, and why this one for my door?
- Will I get all the keys, and can I see how they are marked or restricted?
- Are you a local company with a physical address, or a call center that dispatches jobs to others?
- Will you test the lock with the door closed and show me it works before you leave?
Frequently asked questions
How do I know if I need a new lock or just a repair?
If the lock has a specific fault, such as a sticky latch or a loose handle, repair can often solve it. If the cylinder is worn out, the lock has been forced, parts are no longer available, or the grade is too weak for the door, replacement is the better move. We look at the lock in person and tell you honestly which route makes sense.
Can you replace a lock the same day I call?
We answer the phone 24 hours a day, 7 days a week, and we send a mobile van to Valley Glen. Availability depends on what is going on that day and what hardware your door needs, so call (213) 577-1366 and we will tell you what to expect for your situation.
Will the new lock fit my existing door?
In most cases yes. Standard residential doors use common bore and edge sizes, so a new lock fits without much change. Older or modified doors, especially on postwar homes, sometimes need small adjustments. We check the door before we remove anything and tell you if extra work is needed.
Should I replace my locks after buying a house in Valley Glen?
You should at least change who holds the keys. If the locks are in good shape, rekeying is the more economical route. If they are worn, damaged, or a mismatched mix, replacing them gives you a clean start with matched hardware and keys you know about.
Can you replace locks for my apartment or rental property?
Yes. Landlords and property managers can have us replace locks between tenants or upgrade entries across a building. Tenants should get permission from the landlord before changing a lock. We can also key several locks to work together to keep key management simple.
Do you handle business lock replacement too?
Yes. We replace storefront, office, and back-door locks, and can help with a broader business security upgrade such as new cylinders, restricted keys, or a revised keying plan. Business jobs often involve the door closer and strike as well, so we check the whole door.
Does Valley Glen's summer heat affect my locks?
It can. Hot, dry summers on the valley floor cause doors and weatherstripping to expand, which can make a door bind and put strain on the bolt and latch. When we fit a new lock, we check alignment so it works smoothly in both cool and hot conditions.
How do I check that a locksmith is legitimate?
Ask for their BSIS LCO license number, since California requires locksmith companies to hold one. Also ask whether they have a real local address and who will actually come to your door. Anyone legitimate will answer clearly.
More locksmith help in Valley Glen
Lock Replacement near Valley Glen
Reviewed by David, Owner & Lead Technician, Wilshire Lock & Key — in the locksmith trade since 1987.
Last updated 2026-10-11.
