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Wilshire Lock & Key

24/7 locksmith · North Hills, CA

High Security Locks in North Hills, CA

Wilshire Lock & Key installs and replaces high security locks in North Hills, CA: pick-resistant, bump-resistant cylinders and restricted keys for homes, apartments, and businesses. Our phone line is answered 24 hours a day, 7 days a week at (213) 577-1366. David, our owner, leads the work, and we have been in business since 1987.

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

What makes a lock high security, and what doesn't?

A standard builder-grade lock keeps honest people honest. It uses a simple pin layout, loose manufacturing tolerances, and a key that any hardware store can copy in a minute. A high security lock is built differently in three specific ways: the cylinder resists picking and bumping, the key is restricted so it cannot be casually duplicated, and the hardware around the cylinder is sturdy enough that the lock is not the weak point.

That last part matters more than most people expect. A pick-resistant cylinder in a thin door with a short strike plate and two short screws is a strong lock in a weak door. When we do high security lock installation, we look at the whole assembly, not just the part that has a keyhole in it.

We also try to be straight about what these locks do not do. No lock makes a door unbreakable. A determined person with a pry bar or a boot will test the door, the frame, and the screws long before they bother with the cylinder. What a high security lock does is close off the quiet methods: picking, bumping, and using a copied key that nobody remembers handing out. For most households and small businesses, those quiet methods are the ones worth closing.

  • Pick-resistant cylinders use tighter tolerances and extra internal features, such as security pins or additional locking elements, that make manipulation slow and unreliable.
  • Bump-resistant locks are designed so the common bump-key technique does not transfer force to the pins the way it does in a basic cylinder.
  • Restricted keys use key blanks that are controlled by the manufacturer or a dealer, so copies require authorization rather than a quick trip to a kiosk.

Why do North Hills homes and buildings get upgraded locks?

North Hills, formerly known as Sepulveda, is mostly 1950s ranch tracts, with apartment clusters along Parthenia Street and Sepulveda Boulevard and gated townhome and condo communities in North Hills West. Those housing types create different reasons for the same upgrade, and we hear all of them.

In the ranch tracts, the original hardware has often been through decades of owners, renters, contractors, and relatives. Nobody knows how many keys exist. Some homeowners ask us for a high security replacement because they want a clean break from that history. Others want better protection on a side door or a back door that faces an alley or a side yard and rarely gets looked at.

In apartment buildings, the issue is usually key control. A standard key can be copied by anyone who borrows it for an afternoon. A restricted key system lets a landlord or property manager know that the keys in circulation are the keys that were issued. If that is your situation, our page for locksmith services for landlords covers the property-management side, and this page covers the lock hardware itself.

For businesses along the Nordhoff Street strips, the reasoning is similar but the stakes are different. A shop or office has inventory, equipment, and records behind the door, plus employees who come and go. Being able to say exactly who holds a working key is worth a lot in that setting.

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 or replace high security locks?

Every job starts with a conversation, because the right lock depends on the door, the people using it, and what you are trying to prevent. Here is how the work normally goes, whether we come to you in a mobile van or you stop by our storefront at 10740 Wilshire Blvd in Westwood to talk it through.

  1. We ask what you want to protect and who needs access. A family home, a rental unit with turnover, and a shop with employees each need a different key plan.
  2. We inspect the door, the frame, the strike plate, and the existing lock. We check the door's thickness, whether it hangs true, how the latch lines up with the strike, and whether the screws reach the framing.
  3. We recommend a cylinder and a key system that fit the door and the use. That includes whether you need a restricted keyway, how many keys you need, and whether the lock should be keyed to match other locks on the property.
  4. We install the new hardware, replacing or reinforcing the strike plate and screws where the old setup would undercut the new lock. If the door has shifted so the bolt drags or binds, we correct it rather than forcing the lock to work around it.
  5. We test the lock repeatedly, with the door open and closed, so the bolt throws smoothly and the latch seats properly. A high security cylinder has tight tolerances, and a door that rubs is a door that will eventually make the lock fail.
  6. We hand over the keys and explain how to order copies. With a restricted system, that usually means any duplicate goes through us or the authorized dealer, with the right authorization.

Pick-resistant vs bump-resistant: what are you actually buying?

These terms get used loosely, so it helps to separate them. Picking is the patient method: using tension and a pick to set pins one at a time. Bumping is the fast method: a specially cut key is struck so the pins jump briefly, and the cylinder turns. A lock can be good at one and mediocre at the other, which is why we look at the cylinder design rather than trusting a label on a box.

Pick-resistant designs generally make the pins behave unpredictably under a pick, or add a second locking layer that has to be defeated independently. Bump-resistant designs change how the pins respond to impact, or use a different mechanism entirely. The better cylinders do both, and they are what we mean when we talk about high security lock replacement for a front door or a main entry.

There is also a middle category worth mentioning: locks that are marketed as high security but are only marginally better than standard. We will tell you if a product you found online falls into that category. If you already bought a lock and want us to install it, we can do that, and we will say plainly if we think a different cylinder would serve you better.

Keep in mind that high security cylinders are a mechanical upgrade. If you are weighing them against electronic options, our page on smart lock installation explains the tradeoffs. Many people end up pairing a solid mechanical deadbolt with a keypad or app-based option for convenience, which is a reasonable approach when the mechanical part is strong.

Locked out or need a locksmith now?

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

Call (213) 577-1366

What are restricted keys, and why do they matter?

A restricted key is cut on a blank that is not freely sold. The keyway profile is controlled, and in many systems the manufacturer or an authorized dealer keeps a record of who is permitted to order copies. The practical effect is simple: a tenant, a former employee, or a neighbor cannot walk into a hardware store and have your key duplicated while you are not looking.

That is both the strength and the inconvenience of the system. Getting a copy takes a little more effort than usual, which is exactly the point. It also means you should decide up front who gets to authorize copies. For a household, that is usually one or two adults. For a business, it is typically the owner or a manager.

Restricted systems also let us key several locks alike, or set up a hierarchy so one key opens everything and other keys open only specific doors. If that is what you need for a larger property, it overlaps with master key work, and we will lay out the options when we see the setup.

For routine copies of ordinary keys on other doors, our key duplication service handles that. For restricted keys, expect us to confirm authorization first, and expect the process to be a bit slower than a standard copy, because that is what you are paying the extra security for.

What affects the cost of high security lock installation in North Hills?

We do not quote numbers on a web page, because the honest answer depends on specifics we need to see. What we can do is explain what moves the cost, so you can compare quotes sensibly and not be surprised.

  • The cylinder itself: better pick and bump resistance and a more tightly controlled keyway cost more to manufacture, and that carries through to the price.
  • The number of locks: rekeying or replacing one front door is a different job from outfitting every exterior door and a gate, and several locks keyed alike take planning.
  • The key system: restricted keys, extra copies, and any master or key-alike arrangement add to the work and the materials.
  • The door and frame: if the strike plate, the screws, or the door edge need reinforcement before the new lock will perform properly, that is added labor and parts.
  • Door condition: a door that has warped, sagged, or swollen can need adjustment before a tight-tolerance cylinder will work smoothly.
  • Timing and location: after-hours calls and the travel involved can affect the total, which we explain before we start.
  • Replacement or rekey: sometimes a high security cylinder can be fitted to hardware you already own, which is usually the more economical route compared with replacing the whole lockset.

Locked out or need a locksmith now?

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

Call (213) 577-1366

Why call Wilshire Lock & Key for this work?

We have been in business since 1987. That is long enough to have seen which locks hold up and which ones come back with complaints. High security work is where experience shows, because the difference between a good install and a poor one is mostly in details nobody sees once the door is closed.

We are one company, with a storefront at 10740 Wilshire Blvd in Westwood and mobile service vans. That means when you call (213) 577-1366, you are not reaching a call center that hands the job to whoever happens to be nearby. The phone is answered 24 hours a day, 7 days a week, year-round, and the work is done by our own technicians under David's oversight.

A note on credentials, since it matters with security hardware: California requires locksmith companies to hold a license from the Bureau of Security and Investigative Services, known as a BSIS LCO license. You should ask any locksmith, including us, to see it before work begins. A person who installs your security hardware also knows how it can be defeated, and the license is part of how the state keeps that knowledge accountable.

We will also tell you when you do not need what you came in asking about. If a standard deadbolt properly installed on a solid door would serve your needs, we will say so. If your frame is the real weakness, we will say that too, before we sell you a cylinder that sits in a door that cannot support it.

What do high security locks look like across North Hills?

North Hills is split by the I-405 into two distinct halves, and the work differs a little on each side. In North Hills West, west of the freeway, a good portion of our attention goes to the gated townhome and condo communities. Those properties have private entries, shared gates, and common-area doors, all of which matter to the people who live there. Individual owners might want a restricted-key deadbolt on their own unit, while an association might need to rethink who holds keys to pedestrian gates or utility rooms. Gate hardware is its own specialty, and our gate lock repair page covers that side of things.

In North Hills East, east of the freeway, and across the ranch tracts in the 91343 ZIP code generally, the typical call is a single-family house with original or inherited hardware. These 1950s homes were built with ordinary locks and have often had keys passed around over the years. A high security cylinder on the front door and the garage entry door is a common request, and the frame check matters here because older doors and jambs can be worn or have been repaired over the years.

Along the Sepulveda Boulevard corridor, apartment buildings dominate the picture, and lockouts are a regular reason people first call a locksmith. Here is where a high security lock creates a real tradeoff worth understanding: a pick-resistant cylinder is harder to open without the key, including for us. If you are locked out of a unit with one, we can still get you in, but non-destructive entry takes more time and sometimes the lock needs to be drilled and replaced. Our apartment lockout page explains how that process works. For a landlord, that tradeoff is usually worth it, because the same resistance applies to anyone trying to get in who should not.

Along the Nordhoff Street business strips and the Parthenia Street corridor, the main concern is commercial security locks: doors for shops, offices, and storage areas where a copied key is a real liability. The workflow is different from a house, with more attention to door hardware, closers, and exit requirements, so we cover that in our commercial locksmith services. The cylinder upgrade itself is the same kind of work we describe here.

Climate plays a small role. North Hills sits in the north-central part of the valley, where summers run hot. Doors and weatherstripping take seasonal expansion, and a door that fits well in winter can bind in August. A tight-tolerance cylinder is less forgiving about that than a loose one, so we check door alignment with the heat in mind. On the plus side, there is no coastal salt air here, so corrosion is not the concern it is near the ocean, and a quality cylinder generally stays smooth and reliable for years.

Locked out or need a locksmith now?

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

Call (213) 577-1366

Should you rekey or replace to get high security?

People often ask whether they need a whole new lock. The answer depends on what you have. If your existing lockset is solid but the cylinder is basic, we can sometimes swap just the cylinder for a high security one, which keeps the work smaller and is usually the more economical route. If the lockset itself is worn, loose, or low quality, replacing the whole thing makes more sense.

If your only concern is that someone else may hold a key to your current lock, plain rekeying may do the job. Our lock rekey page explains what that involves and when it is enough. A high security upgrade is the step beyond that, for when you also want resistance to picking and bumping, and tighter control on who can copy the new key.

For doors that have no deadbolt at all, or have a weak one, adding a quality deadbolt installation with a high security cylinder is often the single most useful improvement you can make. We can talk through which of these paths fits your door when we look at it.

Frequently asked questions

What is the difference between a regular lock and a high security lock?

A regular lock uses a simple pin layout, looser tolerances, and a key that can be copied almost anywhere. A high security lock uses a cylinder designed to resist picking and bumping, and a restricted key that is harder to duplicate without authorization. The hardware around the lock, such as the strike plate and screws, also matters for the whole door to perform well.

Can a high security lock still be opened if I lose my key?

Yes, but it is slower and sometimes more involved. Pick-resistant cylinders are harder to open without the key, and that applies to us too. We can often get in without damage, but there are cases where drilling and replacing the cylinder is the practical option. We explain which route applies before we begin.

Are bump-resistant locks really protection against bump keys?

They are designed to be, and good ones do a solid job. The effectiveness depends on the specific cylinder design, so we look at the product itself, not just the label. Some products sold as high security offer only modest improvement, and we will say so if that is what you are considering.

Can I use my existing deadbolt, or do I need a whole new lockset?

Sometimes we can fit a high security cylinder to a lockset you already have, which is usually the more economical route. If the existing lockset is worn, loose, or poor quality, a full replacement makes more sense. We decide after looking at the door in person.

Will a high security lock stop someone from kicking in my door?

Not by itself. A pick-resistant cylinder deals with quiet methods like picking, bumping, and copied keys. Forced entry usually targets the door frame and strike plate, so we check and reinforce those parts when we install, but no lock makes a door unbreakable.

Can you make copies of restricted keys?

Yes, with authorization. Restricted keys use controlled blanks, so duplicates require approval from the person who owns the key system. That slows things down a little, which is the point of the system. Let us know up front who should be allowed to approve copies.

Do you install high security locks for apartment buildings and rental properties?

Yes. Landlords and property managers often choose restricted keys so that tenants and former tenants cannot copy keys freely. We can key multiple units alike or in a hierarchy if you need it. Our landlord page covers the property-management side in more detail.

What should I ask any locksmith before they install security hardware?

Ask to see their BSIS LCO license, which California requires of locksmith companies. Ask what cylinder they recommend and why, whether the door and strike plate need reinforcement, and how key duplication will be controlled. A good locksmith answers these plainly and does not push a product you do not need.

Can I get high security lock service at night or on a weekend in North Hills?

Yes. Our phone at (213) 577-1366 is answered 24 hours a day, 7 days a week, year-round. If your situation is urgent, such as a break-in that damaged a lock, we can secure the door right away and plan a proper high security upgrade afterward.

More locksmith help in North Hills

High Security Locks near North Hills

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

Last updated 2026-10-11.

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

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