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Crenshaw Lock

Master Key System in Santa Clarita · 24/7 mobile

Master Key System in Santa Clarita, California

Crenshaw Lock Company designs and installs master key and restricted key systems with real key control for Santa Clarita properties. We are a fully mobile locksmith available 24/7, and we come to your site. Call (323) 997-8867 to plan a system for your building, campus, or community.

  • Mobile to your Santa Clarita 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 different people open different doors with the right key, while one authorized key can open many. In a city like Santa Clarita, where a single owner or management company may oversee a warehouse in Valencia, an office suite near Valencia Blvd, and a gated community in Canyon Country, that structure is the difference between a drawer full of unlabeled keys and a controlled, documented setup.

A good system is designed before any cylinder is touched. We work out who needs access to what, how many levels of access make sense, and how keys will be tracked as staff, tenants, and vendors change. Crenshaw Lock Company has served Greater Los Angeles and Ventura County since 1987, led by owner and lead tech David Shar, and we bring that experience to the planning stage, not just the installation.

We are mobile only. There is no storefront to visit; we meet you at your property, walk the doors with you, and do the work on site. Whether you are converting an existing building or outfitting a new development, we can also add restricted keyways so keys cannot be casually duplicated at a hardware counter.

How it works in Santa Clarita

  1. 1

    Walk-through and access mapping

    We visit your property and list every door, gate, cabinet, and utility room that needs a lock. Together we decide who needs access to what: owners, managers, maintenance, tenants, vendors, and emergency personnel.

  2. 2

    Designing the key hierarchy

    We build a plan with levels such as individual change keys, area or department masters, and a grand master. We discuss how many levels are practical, since each added level adds complexity and some security trade-offs.

  3. 3

    Choosing hardware and keyways

    We select cylinders that suit your doors and goals. A restricted keyway adds duplication control, so copies require authorization. We also check existing exit devices, gate locks, and door hardware for compatibility.

  4. 4

    Installing and pinning the cylinders

    We install new cylinders or rekey existing ones to the system design, working door by door so your property is never left unsecured. Because we are mobile, the work happens at your site, any hour you need.

  5. 5

    Testing every key and door

    We test each key against each lock to confirm it opens what it should and nothing else. Problems with latches, closers, or panic hardware that we spot get flagged for repair.

  6. 6

    Key control and documentation

    We help you set up a key log, a process for issuing and returning keys, and a record of the system layout so future additions can be made without compromising the design.

Need master key system in Santa Clarita?

24/7 Mobile Locksmith across Greater Los Angeles & Ventura County. We answer 24/7.

Call (323) 997-8867

What affects the price

  • The number of doors, gates, and other locks included in the system.
  • How many levels of access the hierarchy needs, from simple change keys to a full grand master structure.
  • Whether you choose a standard keyway or a restricted keyway with duplication control.
  • The condition and type of existing hardware, including exit devices, gate locks, and older commercial cylinders that may need replacement rather than rekeying.
  • The number of keys to be cut and how they are distributed among staff, tenants, or departments.
  • Whether the work is a planned project or an urgent request outside normal business hours, and whether it is phased over several visits.

Why Santa Clarita chooses us

  • Fully mobile service: we come to your Santa Clarita property and work on site, with no storefront detour.
  • Serving Greater Los Angeles and Ventura County since 1987, with owner David Shar closely involved in the work.
  • Planning comes first. We map your access needs and design the hierarchy before changing hardware.
  • We address the whole door, including panic bars, closers, and gate hardware, because a master key system is only as good as the doors it protects.
  • Available 24/7, so we can coordinate a system around your operating hours or respond when an unexpected rekey is needed.
  • Clear documentation and key-control guidance so the system stays organized after we leave.

Master Key System across Santa Clarita

Santa Clarita is a patchwork of business parks, retail centers, schools, and HOA-governed communities, and each calls for a different approach to key control. In Valencia, warehouses and offices near the Valencia Industrial Center often combine interior office locks, exterior doors, and panic-bar exit devices. A master key system there ties these together, and hardware such as exit devices frequently needs attention at the same visit.

Residential-scale properties have their own needs. Many Saugus and Canyon Country communities were built as master-planned tracts with builder-grade Kwikset and Schlage cylinders, and property managers overseeing multiple townhomes, clubhouses, or pedestrian gates can benefit from a coordinated keying plan. In a gated Canyon Country community, for example, a master system can cover the pedestrian gate, pool equipment room, and maintenance areas while keypad or fob access handles resident entry. Newer areas like Plum Canyon and older ones like Newhall and Old Town Newhall have mixed building types, so we assess each property individually.

We serve ZIP codes across the city, including 91355 in Valencia, 91321 in Newhall, 91350 and 91351 in Saugus and Canyon Country, and 91387 and 91390 further out. Whether you manage a shop near Westfield Valencia Town Center, a facility off Soledad Canyon Rd, or a building with I-5 or CA-14 access, call (323) 997-8867 and we will meet you on site.

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Other Santa Clarita locksmith services

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

Master Key System in Santa Clarita — FAQs

What is a master key system?
It is a locking setup where each lock has its own key, but higher-level master keys can open groups of locks. It allows managers broad access while staff or tenants only open their own doors.
Can you convert my existing locks to a master key system in Santa Clarita?
Often yes. Many commercial cylinders can be rekeyed into a master system, while some older or worn hardware is better replaced. We assess it during a walk-through. Call (323) 997-8867 to schedule.
What is a restricted keyway and do I need one?
A restricted keyway uses a key blank that is not freely sold, so duplicates need authorization. It is useful where you want to prevent unauthorized copies, such as multi-tenant buildings and HOA facilities.
Can a master key system work for an HOA or gated community?
Yes. It can organize keys for pedestrian gates, clubhouses, pool areas, and maintenance rooms. Keypad and fob systems can be handled alongside it for resident access.
What happens if a master key is lost?
Depending on the level of the lost key, we may need to rekey part or all of the system. Good key control and records help limit the scope. Call (323) 997-8867 any time, day or night.
Do you work after hours or on weekends?
Yes, we are available 24/7 and fully mobile, so installation can be scheduled around your operating hours or handled urgently when needed.
Can you add panic-bar or exit-device repair to the project?
Yes. Exit devices on warehouse and commercial doors often need repair or adjustment, and we can address them during the same visit so the doors work with the new system.
Is there a shop I can visit to get started?
No. We are mobile only. We come to your Santa Clarita property for the walk-through and installation. To begin, call (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