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Crenshaw Lock

Master Key System in Beverly Hills · 24/7 mobile

Master Key System in Beverly Hills, California

Crenshaw Lock Company designs and installs master key and restricted-key systems with key control for Beverly Hills offices, retail, estates and multi-unit buildings. We are a fully mobile locksmith available 24/7, and we come to your property. Call (323) 997-8867 to plan your system.

  • Mobile to your Beverly Hills location
  • Available 24/7
  • Price quoted before we start
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A master key system lets the right people open the right doors with the fewest keys possible. A property manager might carry one key that opens every suite. A tenant carries one that opens only their own door. An estate owner might give household staff access to service areas but not the main residence. Done well, it replaces a drawer of mismatched keys with a clear hierarchy of access.

Beverly Hills puts unusual demands on this work. Within a few miles you find aluminum-storefront boutiques in the Golden Triangle, luxury condo buildings, professional offices along Wilshire Blvd, and large private estates with guest houses, pool houses, gates and outbuildings. Each one needs a different kind of key plan, and some of them have original hardware that the owner does not want to rip out.

Crenshaw Lock Company has served Greater Los Angeles and Ventura County since 1987, and owner and lead technician David Shar built this work on long experience with how keys actually get used, copied, lost and handed around. We are mobile only, so there is no storefront to visit. We meet you at the property, walk the doors with you, and design the system around how your people really move through the space.

How it works in Beverly Hills

  1. 1

    Walk the property and list every door

    We start on site, not on paper. We look at each door, gate, cabinet and storage area, note the hardware type, and ask who needs access to what. On an estate that might include a main house, guest quarters, a garage and a pool house. In an office it might be suites, a server closet and a shared entry.

  2. 2

    Design the key hierarchy

    Next we map the levels: individual keys, group or floor-level keys, a master, and, where the property is large enough to need it, a grand master. We explain the tradeoffs plainly. More levels give more flexibility, but they also create more points where a key could be misused, so we keep the structure as simple as the property allows.

  3. 3

    Choose hardware and key control level

    We match cylinders to your doors, including mortise cylinders on older storefronts and vintage estate doors, and decide whether you want a standard system or a restricted keyway. A restricted keyway limits who can have duplicates made, which matters when keys pass between staff, contractors and tenants.

  4. 4

    Pin, install and test

    We pin the cylinders to the agreed plan, install them, and test every key on every lock it should and should not open. Mistakes in a master system are easy to make and hard to spot later, so we check the full matrix before we leave.

  5. 5

    Document the system and set key control rules

    You receive a clear record of which key opens what and a suggested process for issuing, tracking and retrieving keys. We also talk through what to do when someone leaves or a key goes missing, since a system is only as good as the habits around it.

  6. 6

    Expand or re-key later as needs change

    Tenants turn over and staff change. Because we keep the plan on record, we can add doors, issue new keys or re-key a section without starting over, and we can be reached around the clock at (323) 997-8867 if something urgent comes up.

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What affects the price

  • How many doors, gates and cabinets need to be on the system, since each cylinder has to be keyed to the plan.
  • The number of levels in the hierarchy and how many keys are needed at each level.
  • Whether you choose a standard keyway or a restricted keyway with duplication control.
  • The type of existing hardware, such as mortise cylinders, deadbolts or commercial locksets, and whether it can be kept and re-pinned or has to be replaced.
  • Whether any doors also involve electronic access, keypad gates or smart locks that need to be coordinated with the mechanical plan.
  • Scheduling needs, including after-hours or weekend work to avoid disrupting a business.

Why Beverly Hills chooses us

  • Fully mobile service: we come to your office, building or estate, so there is no storefront trip and the walk-through happens at the actual doors.
  • Serving the region since 1987, with the owner, David Shar, personally involved in how systems are planned.
  • Comfort with vintage hardware: for period-revival homes we aim to preserve and re-pin original mortise locks where it is practical rather than default to replacement.
  • Plain-language advice on hierarchy size, so you do not end up with a system more complicated than your property needs.
  • Full testing of every key against every lock before we leave, and written documentation of the final key plan.
  • 24/7 availability for lockouts or urgent re-keying, which matters for businesses that cannot wait until Monday.

Master Key System across Beverly Hills

Beverly Hills properties tend to fall into a few distinct patterns. In the Golden Triangle, boutiques and offices near Rodeo Drive and Canon Dr often have aluminum storefront doors with mortise cylinders. A master system there might let a manager, a stockroom lead and a cleaning crew each hold the right key, while a restricted keyway keeps copies from being cut casually. Most of this area sits in ZIP code 90210, and we regularly plan around the hours retailers actually keep.

In The Flats, many homes are 1920s and 1930s Spanish, Tudor and Georgian estates with original mortise hardware. Owners usually want to keep that character. A master key plan can often be built on the existing locks by re-pinning them, so the main house, guest house and service entrances share a clear hierarchy without losing the original look. In Trousdale Estates, mid-century homes often combine interior locks with a keypad driveway gate, so we think about how the mechanical keys and the gate code fit together for family, staff and vendors.

Up in Benedict Canyon and the BHPO area, gated hillside estates may have several structures spread across a large lot. A tiered key plan keeps a property manager, a gardener and a family member from carrying the same key. Whether the job is in 90210, 90211 or 90212, we work off Santa Monica Blvd, Wilshire Blvd, Sunset Blvd or the canyon roads, and we are reachable day or night at (323) 997-8867.

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Other Beverly Hills locksmith services

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

Master Key System in Beverly Hills — FAQs

What is a master key system?
It is a set of locks keyed so that each lock has its own key, while one or more higher-level keys open groups of locks or all of them. It lets you give people exactly the access they need and no more.
Can you build a master key system on my existing locks?
Often yes. Many quality cylinders, including mortise cylinders found in older Beverly Hills homes and storefronts, can be re-pinned into a system. We check each lock on site and tell you which can stay and which should be replaced.
What is a restricted keyway and do I need one?
A restricted keyway uses a key blank that is not freely sold, so duplicates are harder to make without authorization. It is worth considering for offices, multi-tenant buildings and estates with many staff. Call (323) 997-8867 and we can talk through whether it fits your situation.
Will a master system work with my keypad gate or smart locks?
The mechanical keys and the electronic access are separate, but we plan them together. For example, we can coordinate which doors use keys and which use codes, so family, staff and vendors each have a sensible access path.
Can I keep the original hardware on my period-revival home?
In many cases we can preserve original mortise hardware and re-pin it into a master plan. We evaluate wear and condition first, and we will tell you honestly if a particular lock is better replaced.
What happens if a master key is lost?
Because a master key opens many doors, a lost one is serious. Depending on the system, we may re-key affected locks or part of the hierarchy. Call (323) 997-8867 any time, since we are available 24/7.
Do you offer service for businesses after hours?
Yes. We are mobile and available around the clock, so installation, re-keying and lockout help can be scheduled outside normal business hours when that suits a retailer or office better.
Do I need to visit a shop to set this up?
No. Crenshaw Lock Company is mobile only. We come to your property, review the doors with you, and complete the work 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