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Crenshaw Lock

High Security Locks in Rowland Heights · 24/7 mobile

High Security Locks in Rowland Heights, California

Crenshaw Lock Company installs pick-, bump- and drill-resistant high security locks and restricted keys throughout Rowland Heights, California. We are a fully mobile locksmith available 24/7, and we come to your home or business. Call (323) 997-8867 to talk through your door and your security goals.

  • Mobile to your Rowland Heights location
  • Available 24/7
  • Price quoted before we start
Call (323) 997-8867or tap to call — we answer 24/7
High-security lock cylinder with a dimple key
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A standard pin-tumbler cylinder does a fine job of keeping honest people honest, but it was never designed to stand up to someone with a bump key, a pick set, or a cordless drill. High security locks are built differently. They use tighter tolerances, hardened inserts, additional security pins, and restricted keyways, so that a key cannot be casually copied at a hardware counter and the cylinder resists the common forms of attack.

Rowland Heights presents two quite different security pictures. On the residential side, you have 1970s and 1980s two-story tract homes, many on view lots that climb toward Powder Canyon, usually fitted with ordinary modern residential cylinders and, increasingly, smart locks. On the commercial side, the Colima Rd and Nogales St core is packed with multi-tenant plazas, restaurants, markets, and offices above retail, where aluminum-storefront deadbolts, roll-gate padlocks, and panic hardware carry a heavy load every day.

Crenshaw Lock Company has served Greater Los Angeles and Ventura County since 1987, led by owner and lead technician David Shar. We are mobile only, with no storefront to visit, so everything happens at your door: we look at what you have, explain the realistic options, and install the hardware on the spot where possible.

How it works in Rowland Heights

  1. 1

    Tell us about the door and the concern

    Call (323) 997-8867 and describe the door, what it protects, and what worries you: break-in attempts, lost keys, former tenants or employees, or simply an aging lock. This helps us bring suitable hardware.

  2. 2

    On-site assessment

    We examine the existing lock, strike, door, and frame. A high security cylinder only helps if the door around it is sound, so we check for weak strikes, short screws, thin aluminum stiles, and gaps that invite prying.

  3. 3

    Choose the right level of protection

    We explain the differences between high security cylinders, restricted keyways, and key control options. A hillside family home and a restaurant in a Colima Rd plaza have different needs, and we match the hardware to the actual use.

  4. 4

    Installation and fitting

    We install the new cylinder or deadbolt, reinforce the strike or hardware where appropriate, and confirm smooth operation. On storefront doors we make sure the lock fits the narrow aluminum stile properly.

  5. 5

    Key issuance and key control

    We cut and test your keys and explain how restricted keys are duplicated, so you know who can authorize copies. For multi-suite properties we can discuss organizing keying so that tenant changes are simpler.

  6. 6

    Final walkthrough

    Before we leave, we test every lock with the door open and closed, show you how everything works, and answer any questions about maintenance.

Need high security locks in Rowland Heights?

24/7 Mobile Locksmith across Greater Los Angeles & Ventura County. We answer 24/7.

Call (323) 997-8867

What affects the price

  • The grade and brand of high security cylinder or deadbolt chosen, including how much pick, bump, and drill resistance it offers
  • Whether keys are restricted or patent-protected, which affects how copies are authorized and made
  • The number of locks, doors, or suites being done in a single visit, which matters for plaza property managers
  • The condition of the door, frame, and strike, and whether reinforcement is needed to make the lock effective
  • Door type, such as a residential wood or fiberglass door versus an aluminum storefront or a steel commercial door
  • Time of day and urgency, since we are available around the clock including nights, weekends, and holidays

Why Rowland Heights chooses us

  • Fully mobile service: we bring the hardware and tools to your Rowland Heights door, with no shop visit required
  • In business since 1987, with experience across both residential and commercial hardware
  • Honest recommendations: if a door or frame is the weak point, we will say so instead of selling an unnecessary lock
  • Familiarity with the hardware common to local properties, from tract-home deadbolts and smart locks to storefront deadbolts and restaurant panic hardware
  • Ability to handle several suites in one mobile visit, useful for property managers turning over tenants
  • Available 24/7, so a security upgrade after a break-in attempt does not have to wait until morning

High Security Locks across Rowland Heights

In Rowland Heights, 91748 covers a mix of settings that all benefit from stronger locks. In the Powder Canyon hillside tracts, many of the two-story homes were built in the 1970s and 1980s and sit on view lots with side yards and back slopes that can offer cover. Upgrading the front and rear deadbolts to high security cylinders is a sensible step, and we can also look at the garage entry door and the sliding doors. Smart locks are becoming common up there, and we can explain how a high security mechanical cylinder can sit alongside electronic convenience, or serve as a reliable backup when a battery dies.

Down in Little Taipei, the Colima/Nogales commercial core is a different story. Restaurants, markets, and offices cluster around plazas like Diamond Plaza, Hong Kong Plaza, and Pearl Plaza, and many tenants rely on aluminum-storefront deadbolts, roll-gate padlocks, and panic bars. Late closing hours mean a worn lock or jammed deadbolt often shows up after dark, and we are available 24/7 for exactly that. Property managers can also have us rekey or upgrade multiple suites between tenants in a single visit.

We also serve the Fairway Dr area and homes near Fullerton Rd, with easy access from SR-60. Whether you live near Schabarum Regional Park or the Powder Canyon trails, or run a business off Colima Rd, call (323) 997-8867 and we will come to you.

Locked out or need a locksmith now?

24/7 Mobile Locksmith across Greater Los Angeles & Ventura County. We answer 24/7.

Call (323) 997-8867

Other Rowland Heights locksmith services

See all of our Rowland Heights services, or our citywide high security locks page.

High Security Locks in Rowland Heights — FAQs

What makes a lock high security?
High security locks use tighter tolerances, hardened components, special pins, and restricted keyways to resist picking, bumping, and drilling. They also typically control who can copy the key. Call (323) 997-8867 to discuss which type fits your door.
Will a high security lock work on my aluminum storefront door?
Often yes, but narrow aluminum stiles limit which hardware fits. We check the door on site and choose a compatible lock, which is common for plaza tenants along Colima Rd and Nogales St.
Can you upgrade the locks on a Powder Canyon hillside home?
Yes. Many tract homes there have standard cylinders that can be replaced with high security versions. We also check the strike plate and door frame, since those matter as much as the lock itself.
Do high security locks work with smart locks?
They can complement each other. Some homeowners keep a high security mechanical deadbolt on one door and a smart lock on another, or use the mechanical cylinder as a dependable backup. Call (323) 997-8867 to talk through options.
Can you do several suites in one visit?
Yes. Property managers in Rowland Heights plazas often need multiple suites rekeyed or upgraded between tenants, and we can handle many locks in a single mobile visit.
Are restricted keys harder to copy?
Yes. Restricted keys are designed so that copies generally require authorization, which helps prevent casual duplication. We explain how the system works when we issue your keys.
Do you have a shop I can visit?
No. We are fully mobile only. We come to your home or business in Rowland Heights, so there is no storefront to drive to.
Are you available at night or on weekends?
Yes, we operate 24/7, including nights, weekends, and holidays. If you need a lock secured or upgraded after hours, call (323) 997-8867.
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