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Crenshaw Lock

High Security Locks in Lancaster · 24/7 mobile

High Security Locks in Lancaster, California

Crenshaw Lock Company installs pick-, bump- and drill-resistant high security locks and restricted keys across Lancaster, California. We are a fully mobile locksmith available 24/7, and we come to your home, rental or business. Call (323) 997-8867 to talk through the right upgrade for your doors.

  • Mobile to your Lancaster 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 does its job on a quiet day, but it was never designed to stand up to someone who knows how to pick, bump or drill a cylinder. High security locks change that. They use tighter tolerances, hardened inserts, additional security pins, and in many cases restricted keyways, so that keys can't be casually copied at a hardware kiosk and the cylinder holds up against the common methods of forced entry.

In Lancaster, the need shows up in a few predictable ways. Much of the housing here is stucco tract construction from the 1980s through the 2000s, and many of those doors still carry the original lock hardware. Rental turnover is steady, which means keys have often passed through many hands. And commercial units in strip centers, with aluminum storefront doors, have their own weak points. A high security upgrade is a practical answer to each of these situations.

Crenshaw Lock Company has served Greater Los Angeles and Ventura County since 1987, under owner and lead technician David Shar. We are fully mobile, with no storefront, so the work happens at your door. We will look at what you have, explain the options plainly, and recommend only what makes sense for the property and how it is used.

How it works in Lancaster

  1. 1

    Talk through your situation

    Call (323) 997-8867 any hour. We ask what you are protecting, whether it is a family home, a rental, or a business, and whether you have had a break-in, lost keys, or simply want a stronger setup. That helps us plan the right hardware before we arrive.

  2. 2

    Inspect the doors and existing hardware

    At your property we look at the door, the frame, the strike plate, and the current cylinders. A pick-resistant cylinder is only as strong as the door around it, so we note thin strikes, short screws, or worn frames that should be reinforced as well.

  3. 3

    Choose the cylinder and key control level

    We explain the difference between enhanced-grade cylinders and restricted-keyway systems. Some customers want better pick, bump and drill resistance. Others also want keys that cannot be duplicated without authorization, which suits landlords, property managers and businesses.

  4. 4

    Install and fit the hardware

    We remove the old cylinder or deadbolt, install the high security unit, and reinforce the strike and frame where needed. Everything is checked for smooth throw and proper alignment, so the lock operates cleanly instead of binding.

  5. 5

    Test, cut and hand over keys

    We test each lock repeatedly with the new keys, confirm that every door you had done works as expected, and hand over the keys. If you want multiple doors keyed alike, we set that up during the same visit.

  6. 6

    Explain care and key management

    We tell you how to keep the lock working well, including simple lubrication advice, and how to manage keys, particularly for rentals where copies and returned keys can become a problem over time.

Need high security locks in Lancaster?

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

Call (323) 997-8867

What affects the price

  • The level of security chosen, since standard enhanced cylinders and restricted-keyway systems with controlled key duplication are priced differently
  • The number of doors and cylinders being upgraded, and whether you want them all keyed alike
  • Whether the door and frame need reinforcement, such as a stronger strike plate, longer screws, or a repaired jamb
  • The type of door, including wood or steel residential doors, sliding hardware, or aluminum storefront doors that require specific cylinder types
  • How many keys you need and whether additional restricted keys must be cut
  • The time of the call, since after-hours and emergency visits differ from scheduled daytime work

Why Lancaster chooses us

  • Fully mobile service, so the lock is fitted and tested at your actual door rather than handed to you in a box
  • Operating since 1987 under owner and lead tech David Shar, which means decades of experience with both residential and commercial hardware
  • Recommendations matched to the property, not a push toward the most expensive option when a simpler upgrade would serve you
  • Attention to the door and frame, because a strong cylinder in a weak door only moves the problem
  • Familiarity with common local situations, from rental rekeys and vacant-home lockboxes to storefront cylinders that have weathered in the desert sun
  • Available 24/7, so a security concern after a break-in does not have to wait until morning

High Security Locks across Lancaster

Lancaster covers a wide stretch of the Antelope Valley, and the lock needs change from one part of town to the next. Around The BLVD and the older downtown bungalows near Lancaster Blvd, we often see aging hardware and rentals where keys have circulated for years. A property manager in that area may want a restricted-keyway system so that keys cannot be copied freely, which pairs well with rental-turnover rekeys. Out in East Lancaster and West Lancaster, the stucco two-story tract homes from the 1980s to 2000s frequently still have builder-grade deadbolts, and a high security upgrade is a straightforward way to improve the front and garage-entry doors. Homes that came through the foreclosure era and now sit vacant also benefit from fresh rekeying and lockbox setups before listing or showing.

In ZIP 93534 and 93535, closer to downtown and the older parts of the city, we see a blend of older homes, apartment complexes, and commercial strips. In 93536, to the west and toward Quartz Hill, newer master-planned pockets and larger tract homes are more common. Along Avenue K, Avenue J and Avenue L, strip-center units with aluminum storefront doors are a recurring job. After a break-in, we have seen cylinders there that were already degraded by sun exposure, which makes them easier to defeat. Replacing them with a drill- and pick-resistant cylinder is often a sensible repair.

We work throughout Lancaster, including the Fox Field area near William J. Fox Airfield and Quartz Hill, and the roads people use every day, such as CA-14, Sierra Highway, 10th Street West and 20th Street East. Whether you are near the Antelope Valley Fairgrounds, the Lancaster Performing Arts Center, or a quiet cul-de-sac off Avenue J, call (323) 997-8867 and we will come to you.

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Other Lancaster locksmith services

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

High Security Locks in Lancaster — FAQs

What makes a lock a high security lock?
High security locks resist common attack methods like picking, bumping and drilling. They typically use tighter tolerances, additional security pins, and hardened components. Many also use restricted keyways so keys cannot be easily duplicated. Call (323) 997-8867 to discuss which type fits your door.
Do you serve all of Lancaster?
Yes. We are fully mobile and serve Lancaster neighborhoods including The BLVD, West Lancaster, East Lancaster, Quartz Hill and the Fox Field area, across ZIP codes 93534, 93535 and 93536.
Is your service really available 24/7?
Yes. Crenshaw Lock Company is a 24/7 mobile locksmith. If you have had a break-in or lost keys and want stronger locks right away, call (323) 997-8867 at any hour.
Will a high security lock stop every break-in?
No lock is unbeatable. High security cylinders make picking, bumping and drilling much harder, but doors can also be forced at the frame. That is why we inspect the strike plate, jamb and door, and reinforce them where needed.
Can I get keys that can't be copied at a hardware store?
Yes, with restricted-keyway systems. Duplication is controlled, so copies are made only through authorized channels. This is useful for landlords, property managers and businesses managing many keys.
I manage rentals near downtown Lancaster. Is this a good fit?
Often, yes. Rental turnover means keys get lost or retained, and restricted keys give you better control. We can also rekey units between tenants, and key several doors alike if you prefer.
Can you upgrade storefront locks on an Avenue K strip center?
Yes. We work on aluminum storefront doors and can replace worn or sun-degraded cylinders with higher-security ones, particularly after a break-in. Call us so we can match the correct cylinder type to the door.
Do I have to come to a shop?
No. We have no storefront. We are fully mobile and do the work at your home or business. Call (323) 997-8867 to set up a visit.
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