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

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
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
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
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
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
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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24/7 Mobile Locksmith across Greater Los Angeles & Ventura County. We answer 24/7.
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.
- The Oaks of Stevenson Ranch (gated)
- Southern Oaks
- Pinetree
- Diamondhead
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Other Stevenson Ranch locksmith services
Access ControlInstall keypad, card and fob access-control systems for business entrances.
Automotive LocksmithMobile auto locksmith for cars, trucks, motorcycles, RVs and fleets.
Broken Key ExtractionKey snapped in a lock or ignition? We extract the piece and cut a replacement.
Business LockoutLocked out of a store, office or commercial building? Rapid commercial entry.
Car Key ReplacementReplace lost or broken car keys — cut and programmed on site, even with no original.
Car LockoutKeys locked in the car or trunk? Fast, damage-free vehicle unlocking.
Commercial Door HardwareRepair and replace storefront, aluminum-frame and mortise door hardware.
Commercial LocksmithBusiness locksmith for offices, stores, warehouses and industrial sites.
Deadbolt InstallationAdd or replace single- and double-cylinder deadbolts for stronger doors.
Door Closer RepairRepair, adjust and replace hydraulic door closers on commercial doors.
Emergency Locksmith24/7 emergency dispatch for lockouts and urgent lock failures across Greater LA.
Gate Lock RepairRepair and install gate locks and latches, including keypad and smart gate locks.
House LockoutLocked out of a house, apartment or condo? Damage-free entry on location.
Ignition RepairRepair or replace ignition cylinders and fix keys that won't turn.
Key DuplicationCut and copy house, office, mailbox and restricted keys on location.
Key Fob ReplacementReplace and program remote key fobs and smart/proximity keys.
Lock InstallationInstall new locks on new doors or where none existed before.
Lock RekeyingRekey existing locks so old keys stop working — ideal after a move or sale.
Lock RepairFix sticking, jammed, loose or misaligned locks, deadbolts and latches.
Lock ReplacementSwap worn, damaged or outdated locks for new hardware keyed to your needs.
Mailbox Lock ReplacementReplace and rekey residential, cluster and community mailbox locks.
Master Key SystemDesign and install master-key and restricted-key systems with key control.
Panic Bar InstallationInstall and repair panic bars, exit devices and emergency-exit hardware.
Residential LocksmithFull home locksmith service — rekeys, replacements, repairs and upgrades.
Safe LocksmithOpen, repair and service home and commercial safes; change combinations.
Smart Lock InstallationInstall, set up and troubleshoot smart, keyless and keypad locks.
Transponder Key ProgrammingProgram chip/transponder keys to your vehicle's immobilizer.
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?
Do high-security locks stop a kick-in?
Can you install them in a gated community like The Oaks?
Can I put several doors on one key?
Will high-security locks work with my smart lock or alarm?
Can copies of a restricted key be made anywhere?
Do you have a shop I can visit?
How do I get started?
Reviewed by David Shar — Owner & Lead Technician
Crenshaw Lock Company has served Greater Los Angeles & Ventura County since 1987.
Last updated 2026-10-12.