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Crenshaw Lock

Master Key System in Santa Paula · 24/7 mobile

Master Key System in Santa Paula, California

Crenshaw Lock Company designs and installs master key and restricted key systems with key control in Santa Paula, California. We are fully mobile and available 24/7, coming to your property rather than a storefront. Call (323) 997-8867 to plan a system that fits your doors, staff and growth.

  • Mobile to your Santa Paula 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 one key open many doors while each door still keeps its own individual key. It sounds simple, but a good system is really a plan for who can go where, and when. In Santa Paula that plan can look very different from one property to the next: a Main Street storefront with a back office and storage room, a multi-building citrus operation, a property manager with several rentals, or a new home with a mix of smart and mechanical locks.

Crenshaw Lock Company has served Los Angeles and Ventura County since 1987, and David Shar and the team handle master key work as a design job first and an installation job second. We look at how your property is used, decide how many levels of access you need, and lay out a key hierarchy before any cylinder is pinned. That groundwork is what keeps a system manageable five or ten years later.

We are a mobile-only business. There is no shop to visit; we come to you, assess the doors on site, and do the work there, any hour of the day or night. Restricted keyways and key control, which limit who can get copies cut, can be added where you need to prevent unauthorized duplication.

How it works in Santa Paula

  1. 1

    Walk the property and talk through access

    We come to your location and look at every door, gate and cabinet that may be included. We ask who needs access to what: owners, managers, employees, seasonal crews, cleaners, vendors. Existing hardware gets noted so we know what can be rekeyed and what should be replaced.

  2. 2

    Design the key hierarchy

    We map out the levels, such as individual door keys, group keys for a department or building, and a top master. We also talk about whether a grand master or restricted keyway makes sense. You get a clear picture of how the system works before work begins.

  3. 3

    Choose hardware and keyway

    We match cylinders to your doors, whether that is a modern commercial deadbolt, a padlock for a barn or gate, or a more traditional lock in an older building. Where key control matters, we discuss a restricted keyway so copies can only be made with proper authorization.

  4. 4

    Pin, install and test every lock

    Cylinders are combinated to the design and installed on site. We test each key on each lock it should open, and confirm it does not open the ones it should not. Mistakes in a master system show up as keys that cross over, so careful testing matters.

  5. 5

    Document the system and issue keys

    We provide a record of the key schedule so you know which key opens which doors. Keys are issued according to the plan, and we explain how to log them out and handle returns.

  6. 6

    Support changes and expansion

    Staff change and buildings grow. We can add doors, rekey sections, or cut additional authorized keys later, and we call out early whether a new request fits the existing design.

Need master key system in Santa Paula?

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What affects the price

  • The number of doors, gates, padlocks and cabinets to be included in the system.
  • How many access levels you want, from a simple single master to multiple group keys and a grand master.
  • Whether you want a restricted keyway with key control, which limits unauthorized duplication.
  • The type and condition of existing hardware, including older locks that may need replacement rather than rekeying.
  • The quality and grade of cylinders and padlocks, especially for outdoor or agricultural exposure.
  • How many keys you need cut and whether the work happens during regular hours or as an urgent after-hours call.

Why Santa Paula chooses us

  • Fully mobile service: we work at your building, gate or ranch office, so the design reflects the actual doors.
  • Planning comes first. We build a written key hierarchy before pinning cylinders so the system stays orderly as you grow.
  • Experience with mixed properties, from historic downtown buildings to modern smart-lock homes to agricultural facilities.
  • Available 24/7, which matters when a lost master key or terminated employee means locks need attention right away.
  • Honest guidance about when a master key system is not the right tool and a simpler rekey or separate keys would serve you better.
  • Serving the region since 1987 with the owner involved in the work.

Master Key System across Santa Paula

Santa Paula's character shapes how we approach master keying. In the Downtown Historic District, many Main Street storefronts and older buildings, some near landmarks like the California Oil Museum in the former Union Oil building and the Glen Tavern Inn, have a mix of original and updated hardware. A master key system for a shop, office or small hotel-style property there often means working around older doors and frames, and deciding which locks to keep and which to upgrade. Properties near 93060 often fit this pattern.

Out toward the east side, Harvest at Limoneira (East Area 1) is a newer master-planned community with modern construction and smart locks. Property managers, HOAs and owners with several units may want one master key for maintenance access while smart locks handle day-to-day entry. In older areas like McKevett Heights, a landlord with multiple rental units can use a master system so that each tenant has a unique key while the manager holds a single key to all of them. ZIP 93061 covers parts of this broader area.

Santa Paula's agricultural roots matter too. Citrus ranches and packing houses around Limoneira Ranch rely on gates, barn padlocks and office doors that see weather, dust and heavy use. A restricted system with key control can keep crews, supervisors and owners on appropriate access levels. We travel along SR-126, SR-150 and local roads like Telegraph Rd and Peck Rd to reach properties around town, and we can also help with locations near the Santa Paula Airport and the Depot area.

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Other Santa Paula locksmith services

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

Master Key System in Santa Paula — 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 can open several or all of them. It gives managers and owners convenient access without carrying a pile of keys. Call (323) 997-8867 to talk through whether it suits your property.
Can you set up a master key system for a Main Street business in Santa Paula?
Yes. We come to your location, look at the doors you have, and design a system around them. Older storefronts sometimes need hardware updates, which we will point out during the on-site review.
What is a restricted keyway and key control?
A restricted keyway uses a key profile that is not freely available, so copies generally need authorization. Combined with a record of who holds which keys, it helps prevent unauthorized duplication. It is a good fit for ranches, offices and multi-unit properties.
Can a master key system work on gates and padlocks at a ranch?
Yes. We can include padlocks, gate locks, barn doors and office doors in one system, using hardware suited to outdoor conditions. This is common for agricultural properties around Limoneira.
Can you combine master keying with smart locks?
Often, yes. Many properties use smart locks for daily access and keep mechanical master-keyed locks for service areas or as a backup. We can talk through options for a newer home or community like Harvest at Limoneira.
Can you add doors to an existing system later?
In many cases, yes, depending on how the original system was designed. We will check the existing key schedule and tell you honestly whether new locks can be integrated or whether part of the system should be redone.
What happens if a master key is lost?
Treat it seriously. Depending on the system, we may rekey affected locks or redesign access levels. Because we are available 24/7, you can call (323) 997-8867 any time to discuss next steps.
Do I need to come to a shop to get this done?
No. We are fully mobile and have no storefront. We do the assessment, installation and testing at your property.
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