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Crenshaw Lock

High Security Locks in San Gabriel · 24/7 mobile

High Security Locks in San Gabriel, California

Crenshaw Lock Company installs pick-, bump- and drill-resistant high security locks and restricted keys throughout San Gabriel, 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 doors and options.

  • Mobile to your San Gabriel 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 high security lock is not simply a more expensive deadbolt. It is built to resist the specific ways doors actually get defeated: picking, key bumping, drilling, and the copying of keys without your knowledge. In San Gabriel, where a home can be a 1920s Spanish bungalow near the Mission and the business next door can be a restaurant on Valley Boulevard, the right upgrade looks very different from one property to the next.

Crenshaw Lock Company has served Greater Los Angeles and Ventura County since 1987, and owner and lead technician David Shar built the business on being honest about what a door really needs. Sometimes that means a rated cylinder with hardened inserts and a restricted keyway. Sometimes it means telling you the lock was never the weak point and the strike plate, frame or door itself needs attention first.

We are fully mobile. There is no storefront to visit; we bring the hardware, the tools and the key-cutting capability to your property, assess the door in person, and install on the spot whenever the parts and the door allow. We work around the clock, so a break-in at night or a key-control problem after a staff change does not have to wait for business hours.

How it works in San Gabriel

  1. 1

    Talk through the problem

    Call (323) 997-8867 and tell us what you are protecting and what worries you: a past break-in, lost keys, former tenants or employees, or simply an older lock. We will explain what to expect before we head out.

  2. 2

    Inspect the door, frame and existing hardware

    On site we look at more than the cylinder. Door material, frame strength, strike plate, hinges and glass nearby all matter. On older San Gabriel Craftsman doors we also check whether original mortise hardware can be preserved.

  3. 3

    Choose the right security level

    We recommend a lock based on how the door is used. That includes the cylinder's resistance to picking, bumping and drilling, and whether you want a restricted keyway so copies cannot be made at a hardware kiosk.

  4. 4

    Install and reinforce

    We fit the lock cleanly, adjust alignment, and reinforce the strike and frame where needed. On wood doors we aim for minimal visible change, and on aluminum storefronts we match the hardware to the narrow stile.

  5. 5

    Cut and issue keys

    Keys are cut and tested on site. For restricted systems we explain how authorization works so you know who can and cannot duplicate your keys.

  6. 6

    Test and walk you through it

    We operate every lock repeatedly, confirm the door latches smoothly in San Gabriel's temperature swings, and show you how to maintain it so it lasts.

Need high security locks in San Gabriel?

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

Call (323) 997-8867

What affects the price

  • The security grade and brand of cylinder or deadbolt chosen, since pick-, bump- and drill-resistant designs vary widely in construction.
  • Whether the keys are restricted or patented, which affects key control and how duplicates are authorized.
  • The number of doors, cylinders or units involved, such as a full multi-unit building versus a single front door.
  • Door and frame condition, including any reinforcement needed for the strike, jamb or hinge side.
  • Door type: historic wood with mortise hardware, a hollow-core interior door, or an aluminum storefront each call for different parts and labor.
  • Time of day and urgency, since we serve 24/7 and after-hours emergency work involves different scheduling than a planned upgrade.

Why San Gabriel chooses us

  • Fully mobile service: we come to your San Gabriel property with the tools to assess and install, and there is no shop to drive to.
  • Serving the region since 1987, with owner David Shar leading the work and standing behind it.
  • We look at the whole door, not just the lock, and will tell you honestly when reinforcement matters more than a new cylinder.
  • Comfortable with period hardware near the Mission, including mortise locks and skeleton-key doorsets, so you are not forced into drilling a historic door.
  • Experience with both residential and commercial doors, from mid-century apartments to aluminum storefronts on Valley Blvd and San Gabriel Blvd.
  • Available 24/7, so urgent rekeys and security fixes do not have to wait.

High Security Locks across San Gabriel

San Gabriel has a distinct split in its building stock. Around the Mission District and the streets near Mission San Gabriel Arcangel, founded in 1771, many homes are 1900s to 1920s Craftsman and Spanish Colonial Revival bungalows. Their divided-light wood doors and original mortise locks deserve careful handling. A mortise lock that stops throwing in summer heat, for example, is often worth repairing or sympathetically rekeying, and a high security cylinder can sometimes be fitted so the door keeps its character. Homes in ZIP code 91775 near the Mission Playhouse and Del Mar Avenue are good examples.

Along the Golden Mile on Valley Boulevard and on San Gabriel Boulevard, restaurants and shops rely on aluminum-storefront doors, roll gates and busy back entrances. Key control matters here because staff turn over and keys multiply. A restricted-key high security cylinder helps a manager know who can copy a key, and a failed storefront deadbolt or broken key is the kind of problem that needs a same-day, anytime response.

In the Las Tunas area and across ZIP codes 91776 and 91778, mid-century single-family homes and apartment buildings are common. When tenants move out, property owners often want a full building rekey, new mailbox locks, and stronger cylinders on entry doors. We can plan that as a single visit, coming from I-10 or wherever the day's work takes us, and keep keys organized by unit. Parks like Vincent Lugo Park are close to many of these residential blocks, which tend to see steady foot traffic and benefit from sturdier door hardware.

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 San Gabriel locksmith services

See all of our San Gabriel services, or our citywide high security locks page.

High Security Locks in San Gabriel — FAQs

What makes a lock "high security"?
It is designed to resist common attack methods: picking, key bumping and drilling. Many also use restricted keys that are harder to duplicate. Call (323) 997-8867 and we can explain which options suit your door.
Can you install high security locks on an old Craftsman or Spanish bungalow door near the Mission?
Often yes. We inspect the door first. Sometimes we preserve the original mortise lock and improve it, and other times we fit a discreet high security cylinder that respects the look of the wood door.
Will a high security lock stop someone from breaking the door instead?
Not on its own. A strong lock in a weak frame can still be forced, so we check the strike plate, jamb and hinges and recommend reinforcement where it makes a real difference.
Do you serve San Gabriel businesses on Valley Blvd after hours?
Yes. We are 24/7 and fully mobile. If a storefront deadbolt fails or a key breaks, call (323) 997-8867 and we will come to your location.
What are restricted keys and why do they matter?
Restricted keys use blanks that are not freely sold, so copies require authorization. This helps landlords, restaurants and offices control who can duplicate a key.
Can you rekey a whole apartment building and add mailbox locks?
Yes. We can rekey units, upgrade entry cylinders and replace mailbox locks in one planned visit, organizing keys by unit after tenant turnover.
How is the price determined?
It depends on the lock grade, key restriction, number of doors, door and frame condition, and urgency. We explain these factors before work begins.
Do I have to come to a shop?
No. We are mobile only, with no storefront. We come to you anywhere in San Gabriel, including the 91775, 91776 and 91778 ZIP codes.
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