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Crenshaw Lock

High Security Locks in Whittier · 24/7 mobile

High Security Locks in Whittier, California

Crenshaw Lock Company installs pick-, bump- and drill-resistant high-security locks and keys throughout Whittier, California. We are a 24/7 fully mobile locksmith, so we come to your home, shop or gate. Call (323) 997-8867 to talk through your doors and what level of protection makes sense.

  • Mobile to your Whittier 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 builder-grade deadbolt can often be defeated in seconds by someone with the right tools or a little practice. High-security locks are built to resist that: tighter tolerances, hardened inserts that frustrate drilling, pin designs that resist picking and bumping, and keys that cannot simply be copied at a hardware-store kiosk. For many Whittier properties, that upgrade is a sensible, relatively quiet way to raise the bar.

Whittier is an unusual mix for a locksmith. Uptown has historic brick and Spanish Revival storefronts, the surrounding streets are lined with Craftsman bungalows and Spanish Colonial homes, East Whittier is full of mid-century tract houses, and Friendly Hills and the Turnbull Canyon area have larger gated hillside properties. Each of these calls for a different approach, and a lock that suits a 1920s front door may not suit a glass-and-aluminum storefront or a driveway gate.

Crenshaw Lock Company has served Greater Los Angeles and Ventura County since 1987, led by owner David Shar. We are mobile only, with no storefront to visit. We do the work at your property, explain the options plainly, and recommend only what your door and your situation actually need.

How it works in Whittier

  1. 1

    Talk through what you want to protect

    Call (323) 997-8867 and tell us about the property: a home, a business, a gate, a detached garage. We ask about current locks, past break-in concerns and who needs keys, so we can suggest a realistic level of security before we arrive.

  2. 2

    On-site assessment of doors and hardware

    We look at the door, the frame, the strike plate and the existing lock. A strong cylinder on a weak frame only moves the weak point, so we note anything else that should be reinforced. On older Whittier homes we also check whether original mortise hardware can be kept.

  3. 3

    Choose the lock and key system

    We explain the difference between pick-resistant, bump-resistant and drill-resistant designs, and between restricted keyways and ordinary keys. You decide how much key control you want, including whether duplicates should require authorization.

  4. 4

    Installation and fitting

    We install the new cylinders or deadbolts, adjust the latch and strike so the door closes cleanly, and make sure everything operates smoothly. Where it matters, we work to preserve the look of period doors, aluminum storefront frames or gate hardware.

  5. 5

    Key testing and handover

    We test every key, confirm the lock works from both sides, and walk you through how to order extra keys. Rekeying several locks to one key is available so you are not carrying a ring of them.

Need high security locks in Whittier?

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

Call (323) 997-8867

What affects the price

  • The number of locks or doors being upgraded, and whether they can be keyed alike.
  • The grade and type of high-security cylinder or deadbolt chosen, including how restricted the key system is.
  • Door and frame condition, since reinforcement or strike plate work may be recommended.
  • Special door types such as historic mortise doors, aluminum storefronts or panic hardware that need specific fittings.
  • Whether the job includes a gate, keypad or smart-lock component in addition to the mechanical lock.
  • The time of day and location of the call, as after-hours mobile service is part of what we offer around the clock.

Why Whittier chooses us

  • Fully mobile service: we bring the tools and hardware to your Whittier property rather than asking you to visit a shop.
  • Operating since 1987, with owner and lead technician David Shar involved in the business.
  • Honest recommendations: if your door or frame is the real weakness, we tell you rather than just selling a pricier cylinder.
  • Experience with older homes, so we can discuss options that respect original mortise locks and historic doors.
  • Capable of covering both residential and commercial needs, from a Craftsman front door to a storefront with panic hardware.
  • Available 24/7, including when a break-in or lost key makes upgrading locks urgent.

High Security Locks across Whittier

In Uptown Whittier, the historic district's brick and Mission and Spanish Revival buildings often have aluminum storefront doors added over the decades, alongside older wooden entries. A boutique near Whittier Blvd may need a high-security cylinder in an aluminum door, plus attention to panic hardware at the back. Nearby in the 90601 area, homeowners in 1920s Craftsman and Spanish Colonial houses frequently ask about their original mortise locks. Sometimes the best answer is repairing the original and adding a discreet high-security deadbolt that does not alter the period look.

East Whittier is dominated by mid-century tract homes, many with the original builder-grade deadbolts still on the front door. Swapping them for pick- and bump-resistant versions, keyed alike, is a straightforward upgrade, and it works well for families around the Whittier College district too, including rental properties where key control matters when tenants change. Whether you are off Painter Ave, Colima Rd or Beverly Blvd, we come to you.

Friendly Hills and the hillside streets toward Turnbull Canyon have larger, often gated homes. After buying a property there, it is wise to rekey everything and consider high-security cylinders on main entries, with a keypad or smart lock on the driveway gate. We serve Whittier ZIP codes including 90602, 90603, 90604, 90605, 90606, 90607 and 90608, and the surrounding area near Rose Hills Memorial Park and Pio Pico State Historic Park.

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 Whittier locksmith services

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

High Security Locks in Whittier — FAQs

What does a high-security lock do that a regular deadbolt doesn't?
High-security locks use tighter manufacturing tolerances, specialized pin or sidebar designs and hardened components to resist picking, bumping and drilling. Many also use restricted keys that are harder to copy. Call (323) 997-8867 to discuss which type suits your door.
Can you add high security to my 1920s Craftsman or Spanish Colonial door?
Often yes. Depending on the hardware, we may repair the original mortise lock, add a discreet high-security deadbolt, or retrofit a modern cylinder while keeping the door's appearance. We assess the door on site before recommending anything.
Do you service storefronts in Uptown Whittier?
Yes. We can rekey storefronts, install high-security cylinders in aluminum doors and service panic hardware. Because we are mobile, we come to the business, and call (323) 997-8867 any time to arrange it.
Will a high-security lock stop a break-in by itself?
No lock is a guarantee. A strong lock is most effective with a solid door, a sound frame and a proper strike plate, so we look at all of them and tell you honestly where the weak points are.
Can high-security keys be copied?
Many systems use restricted keyways, meaning duplicates generally need to be ordered through authorized channels instead of a quick copy at a kiosk. We explain how key control works for the system you choose.
I just bought a home in Friendly Hills. Where should I start?
A full rekey is a good first step so previous keys no longer work. From there, you can upgrade main entry locks to high-security and add a keypad or smart lock on the gate. Call (323) 997-8867 and we can plan it with you.
Do you offer 24/7 service in Whittier?
Yes. We are a 24/7 mobile locksmith, so if a break-in or lost key makes you want better locks right away, you can reach us at any hour.
Is there a shop I can visit?
No. Crenshaw Lock Company is fully mobile with no storefront. We bring the locks and tools to your Whittier home or business and do the work there.
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