What are high security locks, and do you actually need them?
A high security lock is a standard-looking lock with a much tougher cylinder inside. The outside may look like any deadbolt at the hardware store. The difference is in the pins, the machining tolerances, the hardened inserts, and the key control behind it. These locks are built to resist the ways a stolen or borrowed key is not the only way in: picking, bumping, drilling, and forced turning.
Most people do not need one on every door. A cheap builder-grade cylinder is easy to pick or bump for anyone who has practiced a little, and that is the real weakness we see on a lot of older Sherman Oaks doors. If you have a side-yard door nobody watches, a front door facing a busy street, a home office with files or equipment, or a storefront that holds inventory, then a pick-resistant cylinder is a sensible upgrade rather than an extravagance.
Our honest advice when you call is simple. We ask what the door protects, who has keys now, and how the door is built. Sometimes the answer is a high security cylinder. Sometimes the better answer is a solid strike plate and a proper rekey, and we will say so. You should leave with the right amount of lock, not the most expensive one.
Pick-resistant, bump-resistant, and restricted keys: what each one does
These terms get thrown around as if they meant the same thing. They do not, and a good lock usually combines several of them. Here is what each feature does in plain terms.
- Pick-resistant locks use security pins, tighter tolerances, and extra internal tricks so the cylinder gives false feedback to a pick. It takes far longer, and far more skill, to open one without the key.
- Bump-resistant locks are built so the classic bump key technique does not work. Internal elements break the energy transfer that bumping depends on, which is why plain pin tumbler locks are so vulnerable to it.
- Drill-resistant construction places hardened steel where a drill would normally go, so a quick attack on the cylinder face stalls out.
- Restricted keys use a keyway and blank that are not sold openly. A copy needs authorization from the owner, so a key left with a contractor or former tenant cannot just be duplicated at a kiosk.
- Key control is the policy side: who is allowed to order extra keys, and how that is verified. Without it, even a strong cylinder can be undermined by a hardware-store copy.
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Call (213) 577-1366How we handle high security lock installation and replacement
Whether you are adding a new lock or replacing one that failed, the process is the same and it is not complicated. We would rather do the small checks first than find a problem after the old lock is already out.
- You call (213) 577-1366 and tell us the door type, what is on it now, and what worries you. We will tell you plainly whether a high security cylinder makes sense or whether something simpler would do.
- We look at the door in person: the thickness, the bore size, the edge, the strike plate, and the frame. A strong cylinder in a weak frame is wasted money, so we check the whole assembly.
- We recommend a specific setup and explain how its key control works, including who can authorize copies. You decide on the number of keys and whether you want matching keys across several doors.
- We remove the old hardware, fit the new high security cylinder or deadbolt, and align the strike so the bolt throws fully without binding.
- We test the lock repeatedly with every key, show you how it operates, and give you the key control paperwork or authorization details if the system has them.
What affects the cost of high security locks?
We do not quote prices on a web page because the honest answer depends on the job, and a number printed here would be either wrong or misleading. What we can do is tell you exactly what moves the cost up or down, so nothing surprises you when we give you a quote.
The biggest factor is the lock itself. Restricted-keyway systems with real key control cost more than a pick-resistant cylinder with a standard keyway, and both cost more than a basic deadbolt. The second factor is the number of locks. Keying several doors alike, or building a hierarchy where some keys open more than others, takes planning and more hardware.
The third factor is the door. If the bore, edge, or frame needs adjustment to accept the new hardware, that adds labor. A door that is warped or a frame that is split near the strike needs repair before any lock will protect it. After-hours calls and distance can also affect the total. Our work comes from a storefront and mobile vans, so we can give you an honest estimate on the phone once we know these details, and we confirm it in person before we start.
Which high security locks suit homes, condos, and commercial doors?
Home security locks and commercial security locks overlap, but the priorities differ. At a house, you usually want a strong front door deadbolt, a matching lock on any side or garage-access door, and keys that cannot be casually copied. A new deadbolt installation with a pick-resistant cylinder covers most of that. If you only need the existing locks changed to a new key, a lock rekey is a separate and often smaller job, though it does not make a weak cylinder stronger.
At a condo, the front door lock is often yours to choose, but the HOA may have rules about the exterior appearance, the finish, or who must hold a spare key. We check that before ordering hardware. For businesses, the conversation shifts toward who holds keys and how to limit them. A restricted key system pairs well with a master key system when an owner wants one key for themselves and limited keys for staff, and our commercial locksmith work covers the surrounding door hardware.
One more point: a restricted key is only as good as the people who control it. When you need extra copies, it is worth using key duplication done the correct way, through the authorization the system requires, rather than a quick copy somewhere else.
Locked out or need a locksmith now?
We answer around the clock, every day of the year.
Call (213) 577-1366High security locks in Sherman Oaks: hillsides, condos, and the Ventura corridor
Sherman Oaks has a mix of housing, and each type creates a different security problem. North of Ventura Boulevard, the flats carry 1930s to 1950s ranch and traditional homes. Many of those doors still wear the original or a decades-old builder-grade deadbolt, which is exactly the kind of cylinder that benefits from a pick-resistant and bump-resistant replacement. In 91423 and 91403, where those older homes are common, a lock upgrade often means pairing the new cylinder with a reinforced strike so the door holds up as well as the lock does.
South of Ventura, the hillsides toward the Mulholland corridor mix mid-century houses with newer custom builds. Hillside properties frequently have gates, side-yard doors, and multiple entry points, so a single strong front door lock leaves the other openings behind it. In Longridge Estates and Royal Woods, we often think about the whole perimeter. A restricted-key system keyed alike across several doors means one key still works everywhere, while copies stay under your control. If the gate itself is the problem, our gate lock repair service handles latches and hardware that have worn out.
Sun and wind matter here, too. Hillside homes see more wind and sun exposure, which ages weatherstripping and exterior door finishes faster. That does not change how a high security cylinder performs, but it does affect how a door sits in its frame. We check for a door that has started to drag or gap before fitting a new lock.
In Chandler Estates, many remodeled ranch homes are moving toward electronic entry. If you want that, a smart lock installation can be paired with a strong mechanical deadbolt on the same door. Along the condo-heavy stretches of Ventura, Sepulveda, and Riverside, including many HOA-managed buildings from the 1960s to the 1980s, we confirm what the building allows before changing the unit's front door hardware. Around the Galleria and Fashion Square, businesses usually come to us for restricted keys on back doors and storage rooms.
Why call Wilshire Lock & Key for high security locks?
We have been in business since 1987, and that history shows in how we talk about locks. We have seen cylinders fail in every way there is, and we know the difference between a product that sounds impressive and one that holds up on a real door. David, the owner and lead technician, oversees the work, so there is someone accountable for it.
We are one company. There is no call center passing your address to whoever is closest. When you phone (213) 577-1366, the line is answered 24 hours a day, 7 days a week, all year, and the job stays with us. We operate from our storefront at 10740 Wilshire Blvd in Westwood and send mobile vans across 140 cities in Los Angeles and Ventura counties, Sherman Oaks included.
California requires locksmith companies to hold a BSIS LCO license, and you should ask any locksmith about it before they touch your door. That is good advice whether you hire us or someone else. If a lock emergency is what brought you here, our emergency locksmith service is the quickest path, and we can talk about upgrading to a high security cylinder once you are back inside and calm.
Locked out or need a locksmith now?
We answer around the clock, every day of the year.
Call (213) 577-1366What a high security lock will not fix
We would rather you know the limits before you buy. A strong cylinder protects against picking, bumping, and drilling the lock itself. It does not protect a hollow door from being kicked in, a thin frame from splitting, or a window beside the door from being broken. If the door and frame are weak, we say so and recommend reinforcement as part of the job.
It also does not protect you from a key that is lost or handed to someone who should not have it. If keys have been out of your control, the fix is new cylinders and a new key set, and a restricted-key system makes that easier to manage afterward. Finally, a lock cannot make up for habits. A deadbolt left unthrown or a spare key under a flowerpot undoes the work. We will point out these things if we see them, because the goal is a door that actually keeps people out, not a nice-looking receipt.
Frequently asked questions
What is the difference between a high security lock and a regular deadbolt?
A regular deadbolt relies on a simple pin tumbler cylinder that can often be picked or bumped. A high security lock uses tighter tolerances, security pins, hardened inserts, and usually a restricted keyway to resist those attacks. From the outside, they can look almost identical.
Can high security locks be picked or bumped at all?
No lock is impossible to defeat, and we will not claim otherwise. Pick-resistant and bump-resistant cylinders make those methods far slower, harder, and less practical. That is usually enough to push an opportunist toward an easier target, which is the real goal.
What is a restricted key, and why does it matter?
A restricted key uses a keyway and blank that are not sold openly, so a copy needs authorization from the owner. It matters when keys pass through contractors, tenants, cleaners, or former employees, because those keys cannot be duplicated casually at a kiosk.
Do I need to replace my whole lock, or can you upgrade just the cylinder?
Often only the cylinder needs to change, but it depends on the lock body and the door. We check the bore, backset, and strike plate first. If the existing hardware is worn or poorly matched, replacing the full deadbolt is the better choice.
How much do high security locks cost in Sherman Oaks?
It depends on the lock type, how many doors you are doing, whether the keys must match across doors, and whether the door or frame needs work. We give a firm estimate after hearing the details by phone, and we confirm it at the door before starting.
Can you install high security locks in my HOA condo?
Usually yes, but many HOA-managed buildings have rules about exterior finishes or require a spare key on file. Check your HOA rules or ask management before we start. We can match the finish and work within what the building allows.
Do you install high security locks for businesses?
Yes. Commercial security locks are common for back doors, storage rooms, and offices where you want tight control of who holds keys. We can combine them with a key hierarchy, and our commercial locksmith work covers the surrounding hardware.
How do I know a locksmith is legitimate before they work on my door?
California requires locksmith companies to hold a BSIS LCO license. Ask any locksmith for it before work begins, and be cautious if they hesitate. You can also call (213) 577-1366 anytime, day or night, and talk to us directly.
More locksmith help in Sherman Oaks
High Security Locks near Sherman Oaks
Reviewed by David, Owner & Lead Technician, Wilshire Lock & Key — in the locksmith trade since 1987.
Last updated 2026-10-11.