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Crenshaw Lock

Master Key System in Fillmore · 24/7 mobile

Master Key System in Fillmore, California

Crenshaw Lock Company designs and installs master key and restricted key systems with key control for Fillmore, California businesses, landlords and agricultural properties. We are fully mobile and available 24/7, and we come to you. Call (323) 997-8867 to start planning your system.

  • Mobile to your Fillmore 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 owner might carry one key that opens every door, a manager might open a floor or a building, and each employee or tenant opens only their own space. Done well, it replaces a tangled ring of keys with a clear hierarchy and a record of who holds what.

In Fillmore, the need shows up in different forms. A Central Avenue storefront owner may have a front door, back door, storage room and office that all use different keys cut years apart. A landlord with several units near A Street may be tired of rekeying after every tenant change. A grower or ranch operator in Bardsdale may have gates, barns, equipment sheds and padlocks that nobody has ever organized. Each situation calls for a different design, and we plan around how your property is actually used.

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 consultation, installation and key-control conversation happens at your property, on your schedule.

How it works in Fillmore

  1. 1

    Walk the property and talk through access

    We come to your site and look at every door, gate and padlock that needs to be included. We ask who needs access to what, who leaves or changes often, and which areas must stay restricted, such as cash rooms, chemical storage or tenant units.

  2. 2

    Design the key hierarchy

    We map out the levels: a grand master if you want one, sub-masters for managers or buildings, and individual change keys for single doors. We explain tradeoffs honestly, including that more levels in a pinned system can slightly reduce security, so we keep the design only as complex as you need.

  3. 3

    Choose hardware and key control level

    We discuss standard keyways versus restricted keyways. A restricted keyway uses key blanks that are not freely sold, so copies generally require authorization. We also consider which existing locks can be reused and which are too old or worn to join the system.

  4. 4

    Install, rekey and test

    We rekey or replace cylinders so they work together, then test every key at every lock. Older doors, such as those in early-1900s brick buildings or vintage bungalows, sometimes need alignment or hardware repair first so the new cylinders operate smoothly.

  5. 5

    Document and hand over keys

    We provide a key schedule showing which keys open which locks, and we tag or organize keys by level. You receive clear guidance on issuing, collecting and tracking keys so the system stays controlled.

  6. 6

    Support changes over time

    When someone leaves, a tenant moves out or you add a building, we can rekey individual cylinders, add keys or expand the system. Call (323) 997-8867 any time, day or night, to discuss changes.

Need master key system in Fillmore?

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What affects the price

  • The number of doors, gates and padlocks that need to be included in the system
  • How many levels the hierarchy has and how many keys of each level you need
  • Whether you choose a standard keyway or a restricted keyway with tighter key control
  • The condition and type of existing hardware, and how many cylinders can be reused versus replaced
  • Whether older or damaged doors and frames need repair before cylinders will work reliably
  • Rural or outdoor hardware needs, such as weather-resistant padlocks and gate locks for ranch properties

Why Fillmore chooses us

  • Fully mobile service: we do the planning and installation at your Fillmore property, not at a shop counter
  • Experience since 1987 with both older buildings and modern commercial hardware
  • Honest design advice, including when a simpler system is the more secure choice
  • Comfortable with mixed properties, from historic storefronts to ranch gates and barn locks
  • Written key schedules so you know exactly what each key opens
  • 24/7 availability, so we can also help if a key is lost and a system must be rekeyed quickly

Master Key System across Fillmore

Fillmore's mix of buildings makes master key planning interesting. Downtown Fillmore along Central Avenue combines early-1900s brick commercial buildings with period-style reconstruction that followed the 1994 Northridge earthquake. A single block can have original doors with old mortise hardware next to newer entries with modern cylinders. We often plan systems that bring both into one consistent key scheme, repairing worn hardware where needed. Businesses near the Fillmore & Western railway and the shops of the historic downtown, in ZIP code 93015, often need a simple hierarchy: owner, manager and staff.

North Fillmore and Cordova Park have rental and multi-unit properties where a landlord benefits from a system that makes unit rekeying fast and keeps a master for maintenance access. Homes range from older Craftsman and Spanish bungalows with vintage hardware to rebuilt houses with modern locks, and we plan around what is actually on each door.

Across the Santa Clara River, Bardsdale and the rural ranch properties in ZIP code 93016 have different needs: gates, barns, equipment sheds and padlocks, often used by family members, workers and seasonal crews. A keyed-alike or master-keyed padlock set can cut down on the key ring while keeping sensitive areas restricted. We reach Fillmore by mobile dispatch along SR-126 and SR-23, and we can meet you wherever on your property the work needs to happen.

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Other Fillmore locksmith services

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

Master Key System in Fillmore — FAQs

What is a master key system?
It is a set of locks designed so each lock has its own key, while higher-level keys open groups of locks or all of them. It reduces key clutter and gives you control over who can enter which areas.
Can you convert my existing Central Avenue storefront locks into a master system?
Often yes. We inspect what you have, reuse cylinders that are in good condition and replace those that are worn or incompatible. Older doors may need hardware repair first. Call (323) 997-8867 to schedule a visit.
What is a restricted key system?
A restricted system uses a keyway whose blanks are not freely available, so duplicates normally require authorization. It adds key control beyond what a standard hardware-store key offers, though no system is a guarantee against all risks.
Can a master key system include ranch gates and barn padlocks in Bardsdale?
Yes. We can include compatible padlocks and gate locks so one key hierarchy covers buildings and outdoor areas. We recommend weather-resistant hardware for exposed locations.
Is a master key system less secure?
A master system has more complexity than a single-key lock, which can slightly affect security in pinned designs. A thoughtful design with limited levels and good key control keeps that tradeoff small. We explain it plainly before you decide.
How much does a master key system cost in Fillmore?
It depends on the number of locks, the hierarchy, the keyway type and existing hardware condition. We discuss these factors on site and explain your options. You can start by calling (323) 997-8867.
Can you add doors or rekey the system later?
Yes. We can add cylinders, cut new keys and rekey individual locks when staff or tenants change, as long as the system was designed with room to grow.
Do I need to visit your shop?
No. We are mobile only and have no storefront. We come to your Fillmore property any time of day, and we are available 24/7.
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