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Wilshire Lock & Key

24/7 locksmith · Northridge, CA

High Security Locks in Northridge, CA

Wilshire Lock & Key installs and replaces high security locks in Northridge, CA: pick-resistant and bump-resistant cylinders, restricted keyways, and hardened deadbolts for homes, apartments, and businesses. Our phone is answered 24 hours a day, 7 days a week at (213) 577-1366, and David oversees the work.

  • Since 1987
  • Westwood storefront + mobile vans
  • A person answers, day or night
High-security cylinder and dimple keys on a dark workbench

What actually makes a lock high security?

A standard pin-tumbler cylinder from a hardware aisle is built to a price. Its tolerances are loose enough that a patient person with a pick set or a bump key can often open it without leaving a mark. A high security lock is built differently in the places that matter: tighter machining, pins shaped to fight picking, hardened steel where a drill or pry bar would go, and, often the most valuable part, a restricted key that can't be duplicated at a corner kiosk.

When people search for high security locks, home security locks, or commercial security locks, they usually mean some combination of the following features. Not every product has all of them, and part of our job is telling you which ones are worth paying for on your particular door.

  • Pick-resistant cylinders: security pins, tighter keyways, and extra internal parts that make manipulation with picks slow and unreliable.
  • Bump-resistant locks: internal designs that stop the quick impact trick that works on many ordinary cylinders.
  • Restricted keys: key blanks controlled by the manufacturer, so copies require authorization rather than a trip to a hardware counter.
  • Drill and pry resistance: hardened inserts, reinforced bolts, and strike plates that are meant to survive force, not just finesse.
  • Key control: a record of who is authorized to order more keys, which matters most for rentals, offices, and shared buildings.

Honest limits: no lock is unbeatable

Any lock can be defeated with enough time, tools, and willingness to make noise. High security hardware raises the effort and the risk for someone trying to get in, and it takes the easiest methods off the table. That is a real benefit, but it is not magic.

The door matters just as much as the cylinder. A pick-resistant cylinder in a hollow door with a thin frame and short screws is a strong lock on a weak door. When we look at a job, we look at the door, the frame, the strike plate, and the hinges before we talk about cylinders, and we will tell you if money is better spent on the frame than on the lock.

When does a high security upgrade make sense?

You do not need a restricted keyway on every door in Northridge. But there are situations where it is clearly the right call, and a few where a plain rekey or a good deadbolt is the more sensible, more economical route.

  • You have lost keys, or you suspect copies exist that you can't account for. A restricted key stops casual duplication from then on.
  • There has been a break-in or an attempted one, and the existing lock showed signs of picking, bumping, or forced entry.
  • You manage a rental or an office with turnover, and you need to control who can make new keys.
  • The door protects something that matters more than the average entry: a home office, a medicine cabinet room, a business back door, a storage room.
  • You are tired of wondering who has a copy of the key your old tenant, contractor, or roommate once held.

Locked out or need a locksmith now?

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

Call (213) 577-1366

How do we install high security locks, step by step?

Every job is a little different, but the process stays consistent. The point is to avoid selling you hardware your door can't support and to leave you with keys that actually work every time.

  1. You call (213) 577-1366 and tell us what the door is, what you are protecting, and what is bothering you about the current lock. A real person answers, at any hour.
  2. We look at the door, frame, strike plate, and hinges. We check for warping, loose screws, a worn latch, or a frame that was patched and no longer lines up.
  3. We talk through options: a high security cylinder swapped into your existing hardware, a full high security deadbolt, or heavier commercial hardware if the situation calls for it.
  4. We source and fit the hardware. For restricted keys, we explain how key authorization works, who is listed to order copies, and what you would need to do to add someone.
  5. We test the lock repeatedly with the door open and closed, check that the bolt throws fully into the strike, and confirm every key you are given operates smoothly.
  6. We remove the old hardware, tidy up the door, and hand over keys along with any key-control paperwork that comes with the system.

Pick-resistant versus bump-resistant locks: what is the difference?

These two terms get tossed around together, but they describe different attacks. Picking means manipulating pins one at a time with thin tools. Bumping means using a specially cut key and a light strike to jar the pins into position all at once. A cylinder can resist one better than the other, so it is worth asking about both.

Lower-grade locks marketed as pick-resistant may only add a single security pin or two. Better designs use several layers of defense: unusual keyways that limit tool access, side bars or secondary locking elements, and tight tolerances that make the feedback a picker relies on unreliable. For bump resistance, the design has to interrupt the energy transfer that makes a bump key work.

We will talk plainly about what a given cylinder is built to resist. If a product's claims are thin, we say so. We would rather you buy the right lock once than a premium-looking one that does little.

What affects the cost of high security lock installation?

We don't quote numbers on a web page, because the honest answer depends on your door. Here is what moves the cost up or down, so you can see where the money goes before you call.

  • How many doors: a single front door is a different job from a full set of entries, and matching all cylinders to one restricted key is a different job again.
  • Cylinder-only or full lock: swapping a high security cylinder into a sound deadbolt is usually the more economical route. Replacing the whole assembly costs more but may be needed if the existing deadbolt is worn or low grade.
  • Level of key control: standard keys with security pins cost less than a patented, restricted keyway with authorization requirements.
  • Door and frame condition: reinforcement plates, longer strike screws, or frame repair add work but often make the biggest practical difference.
  • Residential or commercial hardware: heavier commercial-grade parts, fire-rated doors, and panic hardware change what can be installed.
  • Time of day: after-hours and weekend calls involve a different setup than a scheduled daytime visit.
  • Extra keys: more keys, especially restricted ones, add to the total.

Locked out or need a locksmith now?

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

Call (213) 577-1366

High security locks across Northridge: ranch tracts, student housing, and busy corridors

Northridge is a neighborhood where the housing stock varies a great deal, and that variety shapes what makes sense for a lock. Much of the area is 1950s and 60s ranch tracts, including the streets in the Devonshire Street corridor. Those homes often still have original or decades-old hardware, and the doors were not built with high security cylinders in mind. For a homeowner in 91324 or 91325 who wants better protection, the first step is usually a sturdy deadbolt with a pick-resistant, bump-resistant cylinder and a reinforced strike plate. Many owners pair it with a rekey of the remaining locks so one key covers the whole house.

Around the CSUN campus, the picture is different. Student-oriented apartment complexes see constant turnover, especially at semester move-in and move-out, and the hardware gets used hard. The Northridge earthquake of 1994 gave the neighborhood its name in the history books, and much of the multifamily stock was repaired or rebuilt afterward, so door frames and hardware vary widely in age. That matters for high security work: a precision cylinder needs a frame that is square and a strike that lines up. We check before we install.

Larger semi-rural lots toward the Sherwood Forest area on the western edge of Northridge tend to come with more points of entry than a typical tract home. Side doors, back doors, and detached structures each deserve a decision about whether they need the same level of protection as the front door. Along Reseda Boulevard, Nordhoff Street, and Tampa Avenue, business doors face a different kind of risk, with more foot traffic, more keyholders, and more reasons to keep key control tight.

Our storefront is at 10740 Wilshire Blvd in Westwood, roughly 20 miles from Northridge, and our mobile service vans travel to you. You can read more about how mobile service works if you would rather have the work done at your door than visit us.

Does Northridge heat and wind affect high security hardware?

Yes, in practical ways. North Valley summers are long and hot, and fall Santa Ana wind events are part of life here. Sun-exposed doors, especially metal or dark-painted ones, expand in the heat. A door that fits well in March can bind or rub in August, which puts side load on the bolt and can make even a good lock feel stiff.

A precision cylinder is less forgiving of that than a loose, cheap one. When we install, we check how the door moves, adjust the strike plate or hinges as needed, and confirm the bolt throws cleanly without forcing. In high-turnover rentals, worn hardware is the other common issue: a tired latch or sagging door can mask a decent lock and make a tenant think it is failing. Sometimes the right fix is a new deadbolt installation rather than yet another cylinder swap.

Locked out or need a locksmith now?

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

Call (213) 577-1366

Commercial security locks for Northridge businesses and offices

For shops, offices, and clinics, high security locks are about two things: stopping easy entry, and controlling who holds a working key. A restricted keyway means a former employee or contractor can't simply have a copy cut. For a retail space in the Northridge Fashion Center district, that might mean a back-of-house door and stockroom locked under a restricted key, with a clear list of who can order more.

Medical offices near Dignity Health Northridge Hospital Medical Center have their own needs: records rooms, supply closets, and staff-only areas that should not be opened with a copied key. If you have several doors and several keyholders, a master key system built on a restricted keyway can give managers the access they need while keeping each staff member limited to their own doors.

For broader business needs, including storefront doors, door hardware, and access control, see our commercial locksmith services. If you are a landlord handling several units, our locksmith for landlords page covers how to keep keys organized between tenants.

Why call Wilshire Lock & Key for high security work?

We have been in business since 1987, and we have been fitting and fixing locks long enough to know which upgrades matter and which are cosmetic. We have a storefront in Westwood and mobile vans, so you are dealing with one company rather than a call center passing your job to whoever is nearest. David, the owner and lead technician, oversees the work.

We also serve 140 cities across Los Angeles and Ventura counties, so Northridge is part of a service area we know well. Our phone is answered around the clock, so if a break-in happens at two in the morning and you need a door secured now, emergency help is a phone call away, and the high security upgrade can be planned in daylight.

One more point worth making: California requires locksmith companies to hold a BSIS LCO license. Ask any locksmith for their license number before work begins, and check it with the state. It is a fair question and a good habit, especially for something as important as your home's security.

Frequently asked questions

Can a high security lock still be picked or bumped?

Any lock can be defeated with enough time and skill. High security cylinders are designed so that picking is slow and unreliable and bump keys don't work the way they do on ordinary locks. They raise the effort and the risk for an intruder, but the door, frame, and strike plate matter just as much. We check all of those during installation.

What is a restricted key, and who can make copies?

A restricted key uses a key blank controlled by the manufacturer, so copies generally require authorization rather than a quick cut at a hardware counter. The authorized person or business is registered, and only they can order more. If you need a standard copy of an ordinary key, see our key duplication page; restricted keys follow the authorization process instead.

Can you upgrade just the cylinder, or do I need a whole new deadbolt?

Often the cylinder can be swapped into an existing deadbolt if the deadbolt is in good condition and of a sound grade. That is usually the more economical route. If the deadbolt is worn, loose, or low quality, replacing the whole assembly is the better call. We inspect it and tell you which makes sense.

Do high security locks work with smart locks?

Sometimes. Some smart locks keep a key cylinder as a backup, and that cylinder may be upgradeable. Others are all-electronic, with no key at all. If you are weighing both approaches, our smart lock installation page explains the differences. We can also discuss keeping a high security keyed lock on a main door and using a smart lock elsewhere.

Is it worth installing high security locks in a 1950s or 60s ranch home?

Often yes, for the front and back doors in particular. These homes frequently have original or aging hardware, and a quality pick-resistant, bump-resistant deadbolt with a reinforced strike is one of the more sensible upgrades. We look at the door and frame first and give you our honest opinion on whether the full upgrade is justified.

I rent an apartment near CSUN. Can I install a high security lock?

That depends on your lease and your landlord. Many leases forbid changing locks without permission, and some require you to provide a key. Talk to your landlord or property manager first. If the landlord wants to upgrade the units, we can work with them on a consistent system across the building.

What happens if I lose a restricted key?

If you are an authorized keyholder, you can arrange a replacement through the authorization process. We can help with that. If the key is lost and you are worried about who might find it, we can also rekey or replace the cylinder so the lost key no longer works. It is worth acting soon rather than waiting.

Can you install high security locks outside normal business hours?

Our phone at (213) 577-1366 is answered 24 hours a day, 7 days a week, year-round, so you can call any time. If you need a door secured immediately, we can do that first. For planning a full upgrade with restricted keys, a daytime visit often works better because we can inspect the door and frame thoroughly.

More locksmith help in Northridge

High Security Locks near Northridge

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

Last updated 2026-10-11.

Ready for high security locks in Northridge?

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

Call (213) 577-1366
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