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Crenshaw Lock

Master Key System in Artesia · 24/7 mobile

Master Key System Design and Installation in Artesia, CA

Crenshaw Lock Company designs and installs master-key and restricted-key systems with real key control for businesses in Artesia, California. We are a fully mobile locksmith available 24/7, and we come to your location. Call (323) 997-8867 to talk through your doors, your staff, and who should open what.

  • Mobile to your Artesia location
  • Available 24/7
  • Price quoted before we start
Call (323) 997-8867or tap to call — we answer 24/7
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A master key system sounds like a hardware purchase, but it is really a set of decisions about people. Who needs to open the stockroom? Should a shift lead reach the office? What happens when someone leaves and a key does not come back? In Artesia, where small owner-run businesses sit close together along Pioneer Boulevard, those questions come up constantly, and the answers shape how the locks are built.

Crenshaw Lock Company has served Greater Los Angeles and Ventura County since 1987, and David Shar and our team design systems around how a business actually runs. A master key system lets one key open many locks while each employee or tenant carries a key that opens only their own. A restricted-key system goes further: the key blanks are controlled, so copies cannot be cut at a hardware store or kiosk without authorization. Together they give you a record of who holds what and a practical way to take access away.

We are fully mobile, so there is no storefront to visit. We come to your shop, restaurant, office, or multi-unit property, look at the doors in person, and plan the system with you on site. The work can be done in phases if you would rather not rekey everything at once.

How it works in Artesia

  1. 1

    Walk the property and map your doors

    We visit your location and list every opening: front and back doors, storage rooms, offices, roll-down gates, cabinets, and gates to parking or alleys. We note what hardware is already there and which locks can be reused and which are too worn or low-grade to keep.

  2. 2

    Define who needs access to what

    Together we sketch an access hierarchy. Typically that means a grand master for ownership, master keys for managers, and individual keys for staff or tenants. For businesses with turnover, we talk about how to handle returned and unreturned keys.

  3. 3

    Choose the system and key control level

    We recommend a keyway and a level of key control that fits your risk. A standard master system suits many offices; a restricted keyway with controlled blanks suits stores handling cash, jewelry, or inventory where unauthorized copies are a real concern.

  4. 4

    Install and rekey the cylinders

    We bring the hardware to you and install or pin the cylinders on site. Where doors need upgraded deadbolts, strike plates, or gate locks to match the system, we handle that in the same visit when possible.

  5. 5

    Test every key and every door

    Each key is tried on each lock it should open, and on each it should not. Mistakes in a master system often show up as keys that open too much, so we check both directions before we call the work finished.

  6. 6

    Hand over keys and a record

    You receive the keys with a clear explanation of the hierarchy, and we help you set up a simple key log. We keep the system's information so additional keys can be cut properly later and the system can be expanded as you grow.

Need master key system in Artesia?

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What affects the price

  • The number of doors and cylinders that need to be included in the system.
  • How many levels of access you need, such as grand master, master, and individual keys.
  • Whether you choose a standard keyway or a restricted keyway with controlled key blanks.
  • The condition of existing hardware, since worn locks, deadbolts, or gate locks may need replacing to fit the system.
  • Special openings like steel roll-down gates, safes, or high-security locks that require specific hardware.
  • Whether the work is done in one visit or phased over time, and the number of keys you need cut.

Why Artesia chooses us

  • Fully mobile, 24/7 service: we come to your business rather than asking you to bring locks to a shop.
  • Operating since 1987, with owner and lead tech David Shar involved in how systems are designed.
  • We plan around people and turnover, not just hardware, so the system still works when staff change.
  • Experience with the kind of high-use cylinders, reinforced gate locks, and higher-security hardware that retail strips require.
  • Honest recommendations: if a simple rekey does the job, we will say so rather than sell a larger system.
  • Clear documentation of your key hierarchy so future key cutting and expansion are done correctly.

Master Key System across Artesia

Artesia's commercial heart is the Little India district on Pioneer Boulevard, a dense run of jewelry stores, groceries, restaurants, and sari and retail shops. Those businesses share a lot of needs: staff who come and go, back rooms and stockrooms that only some employees should enter, steel roll-down gates, and safes. A master key system lets an owner in the 90701 or 90702 ZIP codes keep the stockroom, office, and cash areas separate without handing everyone the same key.

A few situations we see here shape our advice. A jewelry store that has dealt with an attempted break-in may want a restricted keyway, a reinforced roll-down gate lock, and a time-delay lock checked at the same time as the key system is planned. A restaurant or grocery with recent staff turnover often benefits from new high-use commercial cylinders and a system where a lost key can be dealt with by rekeying a single level rather than the whole building.

Beyond Pioneer Boulevard, Downtown Artesia and the streets near South Street and Gridley Road include small offices, shared buildings, and properties near Artesia Park, the Artesia Historical Museum, and DES Portuguese Hall, where community groups may share space and keys. With SR-91 nearby, we reach the city readily at any hour. Whether you manage one storefront or several units, we can plan a system sized to the property.

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Other Artesia locksmith services

See all of our Artesia services, or our citywide master key system page.

Master Key System in Artesia — FAQs

What is a master key system?
It is a lock setup where each lock has its own key, and a higher-level master key opens a group of locks. A grand master can open everything. It lets owners and managers have broad access while staff carry keys that open only what they need.
What is the difference between master key and restricted key systems?
A master system is about who can open which doors. A restricted system controls the key blanks themselves, so duplicates cannot be made without authorization. Many Artesia businesses combine both for stronger key control.
Is a master key system a good fit for a Pioneer Boulevard shop?
Often, yes, especially for stores and restaurants with stockrooms, offices, and staff turnover. We look at your doors first and recommend a system that fits, which could be as simple as a rekey. Call (323) 997-8867 to discuss your layout.
Can you add to a master key system later?
Yes. A properly documented system can be expanded when you add doors, tenants, or employees. That is why we keep a clear record of the key hierarchy and design with room to grow.
What happens if an employee does not return a key?
With a tiered system, you can often rekey just the affected level rather than every lock. With restricted keys, the missing key also cannot easily be copied. We can discuss options when you call (323) 997-8867.
Do you offer emergency help alongside system installs?
Yes. We are 24/7 and fully mobile, so lockouts, damaged locks, or post-break-in repairs can be handled at any hour. We can then plan the full key system once the immediate problem is secured.
Can you work with my existing locks and safes?
Often we can reuse locks in good condition. Worn deadbolts, gate locks, or older cylinders may need replacing to fit the system. We also service safes and time-delay locks, and we will tell you what is worth keeping.
Do I need to visit a shop to set this up?
No. We are mobile only and come to your property. We assess the doors, install the hardware, test the keys, and walk you through the system on site.
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