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Crenshaw Lock

Master Key System in Long Beach · 24/7 mobile

Master Key System in Long Beach, California

Crenshaw Lock Company designs and installs master key and restricted-key systems with key control for Long Beach properties. We are fully mobile and available 24/7, so we come to your building to plan and carry out the work. Call (323) 997-8867 to talk through your doors and your users.

  • Mobile to your Long Beach 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 lets the right people open the right doors with as few keys as possible. A property manager may carry one key that opens every unit's common areas, a tenant opens only their own suite, and a maintenance crew opens utility rooms but not offices. Done well, it cuts down the ring of keys everyone carries. Done poorly, it creates confusion, unaccounted keys and security gaps.

Long Beach makes this work interesting because the building stock is so mixed. A single owner might manage dense apartments in Alamitos Beach or Wrigley, a small office near Bixby Knolls, or industrial space on the west side near the Port. Each calls for a different hierarchy, different hardware, and a different attitude toward who gets which key.

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, so every design conversation happens at your property, where we can see the doors, the existing hardware and how people actually move through the building.

How it works in Long Beach

  1. 1

    Walk the property and map the doors

    We start by visiting your building and listing every door, gate, cabinet and utility room that needs a lock. We note the existing cylinders, door types and conditions, and talk with you about who needs access to what. In Long Beach that can mean anything from a handful of office doors to a multi-building apartment complex.

  2. 2

    Design the key hierarchy

    Next we lay out the structure: a grand master, master keys for zones or floors, and individual change keys for single doors or units. We explain the tradeoffs plainly, because every additional level adds flexibility but also adds complexity and some reduction in security. You decide how much of each you want.

  3. 3

    Choose the keyway and level of key control

    We discuss whether a standard keyway is enough or whether a restricted keyway makes sense, so keys cannot be casually duplicated at a hardware store. Restricted systems typically come with authorization paperwork for copies. We help you match the level of control to the risk at your property.

  4. 4

    Pin and install the cylinders

    We build the cylinders to the agreed design and install them, replacing or rekeying existing hardware where appropriate. Where doors have worn, corroded or mismatched hardware, which happens in salt air near the coast, we flag it so the system is not undermined by a failing lock body.

  5. 5

    Test every key against every door

    Before we leave, we test each key in each lock to confirm it opens what it should and nothing else. A master system is only as good as its verification, and we would rather catch a pinning error on site than have a tenant find it later.

  6. 6

    Document the system and hand over control

    We give you a clear record of the hierarchy and which keys are issued. We talk through how to track keys, what to do when someone leaves, and how to expand the system later without compromising it.

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What affects the price

  • The number of doors or cylinders included in the system, since each one is pinned and installed individually.
  • How many levels the hierarchy has, such as a single master versus a grand master with several zone masters and many change keys.
  • Whether you want a standard keyway or a restricted keyway with patent or authorization-controlled key duplication.
  • The condition and type of existing hardware, including whether current locks can be rekeyed or need replacement.
  • How many keys you need cut at the outset and whether more will be needed for staff, tenants or contractors.
  • Whether the work is a new design or an expansion or repair of an existing system, and how complicated that history is.

Why Long Beach chooses us

  • We have been serving the Los Angeles area since 1987, so we have seen how master systems age, get over-copied and fall out of control.
  • We are fully mobile and available 24/7, and we design on site where we can see your actual doors rather than working from guesswork.
  • We are honest about tradeoffs, including that a deeper master hierarchy means more complexity, and we do not oversell a design you do not need.
  • We look at the hardware as well as the keys, because worn or salt-damaged locks in coastal Long Beach can undermine even a well-designed system.
  • We hand over a documented system and explain key control practices, so you are not dependent on us to understand your own building.

Master Key System across Long Beach

Long Beach spreads from the downtown core to the beaches and out to industrial areas, and master key needs vary with each. Downtown, in ZIP codes like 90802 and 90813, converted lofts, condos and offices near Ocean Blvd and the Long Beach Convention & Entertainment Center often combine mechanical keys with HOA or electronic access, so we plan master keying to coexist with those systems rather than conflict with them.

In denser residential areas such as Alamitos Beach and Wrigley, apartment owners often need a simple structure: tenant keys for individual units, plus controlled keys for laundry rooms, garages and building entrances. In Belmont Shore and Naples, salt air is hard on exterior cylinders, so we pay attention to hardware condition on gates and entries before building a system on top of it. Older properties in Belmont Heights or California Heights may have period hardware that deserves careful handling rather than wholesale replacement.

Commercial clients in Bixby Knolls, along Atlantic Ave, and on the industrial west side near the Port often need separation between offices, warehouses and shared areas. Others, near CSULB or the Pike Outlets, manage multiple tenant spaces under one owner. Wherever you are, from 90804 to 90815, call (323) 997-8867 and we will come to you.

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Other Long Beach locksmith services

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

Master Key System in Long Beach — FAQs

What is a master key system?
It is a lock and key design in which individual keys open only their own doors, while master keys open groups of doors and a grand master opens all of them. It reduces the number of keys people carry while keeping access organized.
Can you convert my existing locks to a master key system in Long Beach?
Often yes. Many existing cylinders can be rekeyed into a system, while worn or mismatched hardware may need replacement. We look at your doors on site and tell you what is practical. Call (323) 997-8867 to arrange a visit.
What is a restricted key system?
A restricted system uses a controlled keyway so keys cannot be easily duplicated without authorization. It is useful where you need to know exactly who holds copies, such as multi-tenant buildings or sensitive facilities.
Is a master key system less secure than separate keys?
A master system adds some inherent complexity, and more levels mean more potential for risk if keys are lost. With sensible design and good key control it can be managed securely. We explain the tradeoffs so you can choose appropriately.
Do you work with apartment buildings and landlords?
Yes. Landlords in areas like Alamitos Beach and Wrigley often want tenant keys plus controlled access to shared spaces. We design around your layout and turnover needs. Reach us at (323) 997-8867 to discuss your building.
Can a master key system work with electronic or HOA access?
Yes. In downtown condos and mixed-use buildings, mechanical master keying often sits alongside keypads or fobs. We design the mechanical side so it fits your existing access setup.
What happens if a master key is lost?
It depends on the hierarchy and how widely the key was issued. In some cases the affected cylinders can be rekeyed; in others a broader change is needed. This is why we emphasize record keeping from the start.
Do you have a shop I can visit?
No. Crenshaw Lock Company is fully mobile and works at your property, available 24/7. Call (323) 997-8867 and we will plan the visit with you.
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