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Crenshaw Lock

Master Key System in Oxnard · 24/7 mobile

Master Key System in Oxnard, California

Crenshaw Lock Company designs and installs master key and restricted key systems with real key control for Oxnard businesses, landlords and property managers. We are fully mobile and available 24/7, and we come to your site. Call (323) 997-8867 to plan a system around your building.

  • Mobile to your Oxnard 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 the right people open the right doors with as few keys as possible. A property manager may carry one key that opens every unit, a tenant carries one that opens only their own, and a maintenance crew carries one that covers shared spaces. Done well, it cuts down on key rings the size of a fist, lost-key panic and the quiet risk of unknown copies floating around. Done badly, it can weaken security, so the design matters as much as the hardware.

Oxnard calls for a wide range of these systems. The city is the most populous in Ventura County, and its building stock runs from rental-heavy multifamily buildings near downtown and La Colonia, to mixed-use space at RiverPark, to aluminum-storefront retail, harbor businesses, and the packing houses and warehouses in the agricultural and industrial zones. Each of those places has a different answer to the question of who needs access to what.

Crenshaw Lock Company has served Greater Los Angeles and Ventura County since 1987, led by owner and lead tech David Shar. We are a mobile service with no storefront. We meet you at the property, walk the doors with you, and build the system on site, so the plan is based on your actual layout and not a catalog guess.

How it works in Oxnard

  1. 1

    Walk the property and map your access needs

    We start by walking the building or buildings with you. We note every door, gate, padlock position and cabinet that needs to be keyed, and ask who currently holds keys. In a multifamily building this usually means units, laundry rooms, mailrooms and utility closets. At a warehouse it may mean offices, loading doors, yards and storage.

  2. 2

    Design the key hierarchy

    Next we lay out the levels of access: individual keys, group masters for a floor or department, and a grand master where it makes sense. We talk through how many levels you truly need, because every added level adds some complexity and some security tradeoff. You get a written plan before anything is installed.

  3. 3

    Choose the right hardware and key control level

    We match cylinders and locks to the setting. Salt air near the harbor and beach calls for corrosion-conscious choices, while packing houses and warehouses often need heavy-duty padlocks and high-security cylinders. If you want restricted keyways, we explain how keys are controlled and how copies are limited.

  4. 4

    Install and pin the cylinders on site

    Because we are mobile, we rekey existing cylinders where they are suitable and replace the ones that are worn, seized or mismatched. Each cylinder is pinned to the plan and tested with its own key, the group master and the grand master, so there are no surprises on move-in day.

  5. 5

    Hand over keys with a record

    We deliver keys labeled by level and give you a clear record of how the system is organized. We also go over simple habits for key control, such as who signs keys out and what to do when someone leaves, so the system stays secure over time.

  6. 6

    Support changes as you grow

    Tenants turn over, staff change and buildings expand. We can rekey a single lock, add doors to the system or re-pin sections when a key goes missing, without starting from scratch, provided the original design left room to grow.

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What affects the price

  • The number of doors, cylinders and padlocks that need to be included in the system.
  • How many levels of access you want, from a simple master to a multi-tier grand master setup.
  • Whether existing locks can be rekeyed or hardware needs to be replaced because of age, wear or salt corrosion.
  • The level of key control, such as standard keyways versus restricted keyways with limited duplication.
  • The grade and type of hardware, including heavy-duty padlocks and high-security cylinders for industrial or agricultural sites.
  • Site conditions like multiple buildings, gated areas, or after-hours scheduling that affect the time on site.

Why Oxnard chooses us

  • We have worked in Greater Los Angeles and Ventura County since 1987, so we have seen how master key systems age in real buildings.
  • We are fully mobile and available 24/7, and we do the design walk-through at your property instead of from a catalog.
  • We explain the tradeoffs honestly, including when a simpler system is safer than an elaborate one.
  • We handle both residential-style multifamily rekeys and commercial and industrial hardware, so one provider can cover a mixed portfolio.
  • You receive a plain written plan of the key hierarchy so you are never dependent on one person's memory of who opens what.
  • We think about the environment, including salt air near the coast, when recommending hardware.

Master Key System across Oxnard

Oxnard is spread out, and the right system depends on where your property sits. Along Oxnard Shores and Hollywood Beach, beach cottages from the 1950s to 70s sit beside newer multi-story coastal homes, and salt air seizes and corrodes deadbolts, hinges and keyways. For a vacation rental or a small coastal property in 93035, a master key plan often begins with replacing hardware that has given up, then pinning everything to one system so owners, cleaners and managers each carry only what they need.

In La Colonia and the older neighborhoods around downtown, in ZIP codes like 93030 and 93033, dense rental-heavy multifamily buildings see frequent tenant turnover. A master key system lets a landlord rekey a unit between tenants without handing out a ring of keys to every contractor. Over in RiverPark, with its 2000s mixed-use buildings near The Collection at RiverPark, the mix of apartments, shared amenities and commercial suites suits a layered design with group masters.

Out toward the agricultural and industrial areas, packing houses and warehouses near routes like Rice Ave, Rose Ave and Wooley Rd, and harbor businesses around Channel Islands Harbor, tend to need commercial master keying and heavy-duty padlocks that stand up to weather and rough use. We reach all of these areas from US-101, SR-1 and SR-232, and we can be reached any time at (323) 997-8867.

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Other Oxnard locksmith services

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

Master Key System in Oxnard — FAQs

What is a master key system?
It is a lock arrangement where each lock has its own key, but higher-level keys can open groups of locks or all of them. It reduces the number of keys people carry while keeping control over who can open which doors.
Can you add a master key system to the locks I already have in Oxnard?
Often yes. Many existing cylinders can be rekeyed into a system, while worn or mismatched ones are replaced. We check on site and tell you what can stay. Call (323) 997-8867 to schedule a walk-through.
Is a master key system a good fit for a downtown or La Colonia apartment building?
It can be very useful, since a landlord or manager can have one key for all units and common areas while each tenant has only their own. It also makes rekeying between tenants simpler and more organized.
What is a restricted key system?
A restricted system uses keyways with limited distribution so keys are harder to copy without authorization. It adds key control on top of the master key structure, which is helpful for businesses, warehouses and multi-tenant properties.
Does salt air near Oxnard Shores affect a master key system?
It can. Corrosion can seize deadbolts, pit hinges and gum up keyways, which makes any system unreliable. For coastal properties we discuss corrosion-conscious hardware and replace parts that are failing before pinning them into the system.
Can you handle padlocks at an agricultural or warehouse site?
Yes. We can replace or rekey heavy-duty padlocks and include them in a master key plan so yards, gates and storage areas follow the same access structure as your buildings.
Do you have a shop I can visit?
No. We are fully mobile and come to your property in Oxnard and around Ventura County, which lets us design the system around your actual doors. Call (323) 997-8867 any time, since we are available 24/7.
What happens if a master key is lost?
Tell us right away. Depending on how the system was designed, we can re-pin affected locks or rekey sections to cut off the lost key. A good written plan and key log make this much quicker to sort out.
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