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Crenshaw Lock

High Security Locks in Stevenson Ranch · 24/7 mobile

High Security Locks in Stevenson Ranch, CA

Crenshaw Lock Company installs pick-, bump- and drill-resistant high-security locks and restricted keys for homes in Stevenson Ranch, California. We are fully mobile and available 24/7, so we come to your door with the hardware. Call us at (323) 997-8867 to talk through your doors and options.

  • Mobile to your Stevenson Ranch location
  • Available 24/7
  • Price quoted before we start
Call (323) 997-8867or tap to call — we answer 24/7

A standard builder-grade deadbolt is designed to keep an honest neighbor honest. It is not designed to hold up against someone with a pick set, a bump key, or a drill. High-security locks are built differently: tighter tolerances, hardened inserts that resist drilling, pin designs that frustrate picking and bumping, and keys that cannot be copied at a hardware-store kiosk without authorization.

Stevenson Ranch is full of the kind of homes where this upgrade makes sense. Large two-story houses built in the 1990s and 2000s often still carry the original hardware the builder chose for cost, not resistance. Add the fact that many homes here have alarms, smart-lock integration, and valuables that justify real protection, and the gap between the lock on the door and the home behind it becomes easy to see.

Crenshaw Lock Company has served Greater Los Angeles and Ventura County since 1987, and owner David Shar leads the work. We are mobile only, with no storefront, so everything happens at your home: we assess the doors, explain what will and will not help, install the hardware, and test it before we leave. We would rather recommend the right lock for a door than sell the most elaborate one.

How it works in Stevenson Ranch

  1. 1

    Talk through what you want to protect

    Call (323) 997-8867 and tell us about the doors in question: front entry, garage-to-house door, side gate, or a back slider. We ask about your current locks, whether you have an alarm or smart lock, and any past concerns, so we arrive prepared.

  2. 2

    Assess the doors and frames on site

    A high-security cylinder is only as strong as the door around it. We look at the door thickness, the strike plate, the screws, and the frame. In many cases a reinforced strike and longer screws add as much real protection as the lock itself, and we will tell you so.

  3. 3

    Choose the lock and key system

    We explain the practical differences between options: pick- and bump-resistant cylinders, drill-resistant hardened components, and restricted keyways where duplicates require authorization. We also discuss whether you want a single key across several doors or separate keys per entry.

  4. 4

    Install and fit the hardware

    We remove the existing deadbolt or cylinder and install the new hardware, aligning the bolt so it throws smoothly into the strike without binding. Proper fitting matters, since a sloppy install undermines even an excellent lock.

  5. 5

    Test, hand over keys, and explain key control

    We cycle every lock several times, check the doors open and close cleanly, and hand over your keys along with guidance on how restricted keys are duplicated. If you have a smart lock or alarm contacts nearby, we confirm the new hardware works alongside them.

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What affects the price

  • How many doors are being upgraded, and whether you want them all on one key
  • The grade and type of lock chosen, from high-security deadbolts to full restricted-keyway systems
  • Whether the door and frame need reinforcement, such as a stronger strike plate or longer screws
  • Door condition and prep work, including worn bores or misaligned latches that need correcting
  • Extra keys or key cards, and whether duplicates will be restricted to authorized pickup
  • Compatibility with smart locks, alarms, or existing hardware that must be integrated or kept

Why Stevenson Ranch chooses us

  • Fully mobile and 24/7: we bring the locks to your Stevenson Ranch home rather than asking you to visit a shop, because there is no storefront
  • Serving the Los Angeles and Ventura County area since 1987, with owner David Shar leading the work
  • We assess the door and frame first and tell you honestly if reinforcement matters more than a pricier cylinder
  • Experience with HOA-governed communities, so we keep exterior hardware appearance in mind when choosing finishes
  • We can integrate high-security hardware with rekeying, so several doors can share one restricted key
  • We explain key control in plain language, so you know exactly how copies are limited

High Security Locks across Stevenson Ranch

Stevenson Ranch, ZIP 91381, sits just off I-5 along The Old Road, with Six Flags Magic Mountain next door and Pico Canyon Park and Mentryville a short drive away. Most of the housing is the large two-story, master-planned type, and nearly all of it is HOA-governed. That means homeowners often care about both security and a clean, consistent look at the front door, and we choose finishes with that in mind.

In gated enclaves like The Oaks of Stevenson Ranch, the gate controls who reaches the street, but it does not stop someone already inside or someone who follows a car through. A high-security deadbolt on the entry and garage-to-house door adds a layer the gate cannot. In neighborhoods such as Southern Oaks, Pinetree, and Diamondhead, many homes still have the original builder-grade hardware, so an upgrade paired with a rekey is a common request, especially after a home purchase when you want fewer keys and no unknown copies.

Hillside homes off Stevenson Ranch Parkway and Pico Canyon Road also face wind, dust, and the wildland edge, which can be hard on exterior hardware over time. We pick cylinders and finishes that stand up to those conditions and make sure the doors still latch cleanly. Whether the work is a single front door or several, we come to you at any hour.

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Other Stevenson Ranch locksmith services

See all of our Stevenson Ranch services, or our citywide high security locks page.

High Security Locks in Stevenson Ranch — FAQs

What makes a lock high security?
High-security locks resist the common attacks: picking, bumping, and drilling. They use tighter tolerances, specialized pin systems, and hardened inserts. Many also use restricted keys that can't be duplicated freely. Call (323) 997-8867 and we can explain which options suit your doors.
Do high-security locks stop a kick-in?
Not by themselves. A kick-in attacks the door frame and strike, not the cylinder. That's why we inspect the frame and often recommend a reinforced strike plate and longer screws alongside the lock.
Can you install them in a gated community like The Oaks?
Yes. We are mobile and come to your home, including gated enclaves. It helps to let us know about gate access in advance, and we keep HOA appearance expectations in mind when selecting finishes.
Can I put several doors on one key?
Yes. We can install or rekey several exterior doors so a single key operates them. This is popular for Stevenson Ranch homeowners who have just bought a home and want to replace a bundle of unknown keys.
Will high-security locks work with my smart lock or alarm?
Often they do. Many homes here pair a smart lock on one door with a high-security deadbolt on another, and we confirm everything works together. Tell us what you have when you call (323) 997-8867.
Can copies of a restricted key be made anywhere?
No, that's the point of a restricted keyway. Copies generally require authorization, which makes it much harder for unknown duplicates to appear. We explain how the system works for your specific lock.
Do you have a shop I can visit?
No. Crenshaw Lock Company is fully mobile only, with no storefront. We come to your home with the hardware, at any hour, any day.
How do I get started?
Call (323) 997-8867 and describe the doors you want to upgrade. We will talk through options and what would help most, then schedule the visit that suits you.
DS

Reviewed by David Shar — Owner & Lead Technician

Crenshaw Lock Company has served Greater Los Angeles & Ventura County since 1987.

Last updated 2026-10-12.

Call (323) 997-8867 · Open 24/7