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Crenshaw Lock

Master Key System in Calabasas · 24/7 mobile

Master Key System in Calabasas, California

Crenshaw Lock Company designs and installs master key systems and restricted-key control in Calabasas, California. Our fully mobile team is available 24/7 and comes to your property, with no storefront visit needed. For a free conversation about your doors and who should open them, call (323) 997-8867.

  • Mobile to your Calabasas location
  • Available 24/7
  • Price quoted before we start
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A master key system solves a simple, stubborn problem: many doors, many people, and too many keys on too many rings. In a well-designed system, each person carries one key that opens exactly what they should, while a higher-level key opens groups of doors, and a top-level master opens everything. Done well, it cuts down on key clutter and makes it clear who has access to what. Done badly, it quietly weakens every lock it touches, which is why the design stage matters more than the hardware.

Calabasas has a mix of properties that benefit from this kind of planning. There are lifestyle retail and aluminum-storefront suites around The Commons at Calabasas, professional offices along Calabasas Rd and Park Granada-area business corridors, HOA-managed common areas inside guard-gated communities, and large hillside estates with outbuildings, gates, pool houses and staff entrances. Each has different needs, and a layout that suits an office suite would be wrong for a family estate.

Since 1987, Crenshaw Lock Company has been serving Greater Los Angeles and Ventura County, and David Shar leads the work. We are mobile only, so we come to you, look at your actual doors, and talk through how your people really move through the building before recommending a keying structure. If you are also weighing restricted keyways, key control and future growth, we will explain the tradeoffs plainly.

How it works in Calabasas

  1. 1

    Walk-through and access mapping

    We visit the property and list every door, gate, cabinet and storage space that needs a lock. Then we map who needs access to what: owners, managers, staff, vendors, cleaners, property managers or household employees. This conversation drives the whole design.

  2. 2

    Designing the key hierarchy

    We lay out the levels of the system: individual change keys, group masters for zones or departments, and a grand master if needed. We also discuss how many keys each level will realistically need and how much room to leave for expansion, since adding doors later is much easier when it is planned up front.

  3. 3

    Choosing hardware and key control level

    We compare standard keyways with restricted keyways that prevent casual duplication at a hardware store. We also review which existing locks can be re-pinned or converted, and which doors, such as older storefront hardware or multipoint locks, may call for replacement cylinders.

  4. 4

    Installation and re-pinning on site

    Because we are fully mobile, we install and re-pin the cylinders at your property. We test every key against every lock in the system, including confirming that keys do not open doors they should not, and that the higher-level keys work throughout their zones.

  5. 5

    Key issuing, records and documentation

    We provide a key schedule showing which key opens which doors, and we help you set up a simple sign-out process. Clear records are what turn a master key system into real key control rather than just a set of matching locks.

  6. 6

    Ongoing changes and additions

    When staff turn over, a tenant moves, or a key goes missing, we can re-key affected levels, add new doors to the system or issue additional restricted keys. Call (323) 997-8867 whenever your access needs change.

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What affects the price

  • The number of doors, gates and locks that will be part of the system, since each cylinder must be re-pinned or replaced.
  • How many levels the hierarchy needs, such as change keys only versus group masters and a grand master.
  • Whether you choose a standard keyway or a restricted, patent-protected keyway with tighter control over duplication.
  • The condition and type of existing hardware, including storefront locks, multipoint locks, gate locks and older tract-home cylinders that may need replacement.
  • The quantity of keys to be cut and issued, and whether you want a printed key schedule and records support.
  • Timing and access, such as after-hours installation to avoid disrupting a business, or work coordinated through an HOA gatehouse.

Why Calabasas chooses us

  • We are fully mobile and 24/7, so we work around your business hours and bring the full job to your door rather than asking you to visit a shop.
  • Operating since 1987 means David Shar and the team have seen how key systems age: lost keys, staff turnover and added doors, and we design with those realities in mind.
  • We start with a conversation about who needs access, not a catalog, so the hierarchy fits how your property is used.
  • We are candid about tradeoffs, including that adding levels to a system can reduce its overall security, and we will tell you when a simpler layout is the better choice.
  • We handle both commercial doors and residential-style estate hardware, including gates, multipoint locks and safes, which suits Calabasas properties that mix both.
  • You receive a clear key schedule so you know exactly what each key opens.

Master Key System across Calabasas

Calabasas properties are unusually varied, and that shapes how we design a master key system here. Around The Commons at Calabasas and Old Town Calabasas on Calabasas Rd, aluminum-storefront suites and professional offices often need group masters by tenant or department, with restricted keys so that duplicates are not casually made. A business in ZIP code 91302 near Parkway Calabasas or Las Virgenes Rd may want a layout that lets a property manager reach common areas without carrying every tenant's key.

Residential and estate properties have their own needs. In guard-gated communities such as The Oaks, Calabasas Hills and Mulwood, access often runs through a gatehouse and an HOA, and common-area doors, clubhouse rooms and maintenance spaces can benefit from a controlled system. A hillside estate off Mulholland Hwy or Old Topanga Canyon Rd might want one key plan covering a driveway gate lock, front multipoint lock, guest house and a floor safe, especially after a change of household staff when you want to know exactly which keys are out there.

We plan around gatehouse procedures, scheduling and guest lists so the work goes smoothly. Whether you are near Calabasas Lake, close to King Gillette Ranch, or just off the US-101 Ventura Freeway, we come to you, 24/7, and we can talk through options at (323) 997-8867.

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Other Calabasas locksmith services

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

Master Key System in Calabasas — FAQs

What is a master key system?
It is a keying design in which each lock has its own key, while higher-level keys open defined groups of locks and a grand master opens all of them. It reduces the number of keys people carry while keeping control over who can open what.
Can you convert my existing locks in Calabasas to a master key system?
Often yes. Many cylinders can be re-pinned, while some older or low-quality hardware may need replacement. We inspect your doors on site and tell you what can be reused. Call (323) 997-8867 to arrange a walk-through.
What is a restricted key system?
A restricted keyway limits who can have keys cut, usually requiring authorization or a card from the owner. This helps prevent casual duplication and supports real key control, which is valuable for offices, retail suites and HOA common areas.
Is a master key system a good fit for a private estate?
It can be, especially for properties with gates, outbuildings, pool houses and staff entrances. After a change of household staff, a planned system makes it easier to re-key affected levels instead of every lock. We also service multipoint locks and safes.
Can you work in a guard-gated community like The Oaks?
Yes. We coordinate with the gatehouse and any HOA requirements so we can reach your property. It helps to let the gatehouse know in advance, and we can talk through the process when you call (323) 997-8867.
Does adding more levels make the system less secure?
Generally, more levels and more doors create more possible key combinations that could open a lock unintentionally. We keep the hierarchy as simple as your needs allow and explain the tradeoffs so you can choose with confidence.
Can I add doors to the system later?
Usually yes, especially if we leave room for growth during the design stage. New locks can be keyed into the existing hierarchy, and we keep the key schedule current so additions stay organized.
Do you offer 24/7 service for key systems in Calabasas?
Yes, we are a 24/7 fully mobile locksmith. Installations can be scheduled after hours to avoid disrupting your business, and urgent issues like a lost master key can be discussed any time at (323) 997-8867.
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