Open 24/7 · Greater Los Angeles & Ventura County

(323) 997-8867
Crenshaw Lock

Master Key System in Malibu · 24/7 mobile

Master Key System in Malibu, California

Crenshaw Lock Company designs and installs master key and restricted key systems with key control for Malibu homes, rentals, and businesses. We are fully mobile and available 24/7, and we come to you. Call (323) 997-8867 to plan a system for your property.

  • Mobile to your Malibu location
  • Available 24/7
  • Price quoted before we start
Call (323) 997-8867or tap to call — we answer 24/7
Large ring of master system keys with colored key caps
Open now(323) 997-8867

A master key system lets one key open many locks while each person carries only what they need. A property manager can open every unit, a housekeeper can open only the guest house and pool gate, and a contractor can open one door. Done well, it cuts the ring of keys on your belt and gives you a clear record of who can open what. Done badly, it leaves weak points in the pinning or a key you can no longer account for.

Malibu has some of the most varied access needs in Los Angeles County. A single property may have a gated drive, a main house, a guest cottage, a pool house, a garage, and a beach-side storage room. Vacation rentals near Point Dume change hands often, and commercial spaces around the Malibu Country Mart and the Civic Center need staff, vendors, and owners to have different levels of access. A master key system with real key control fits these situations far better than a drawer of duplicates.

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, so there is no storefront to visit. We meet you at your property, look at the doors and hardware you have, and build a system around how your people really move through the space.

How it works in Malibu

  1. 1

    Walk the property and map the doors

    We come to your Malibu location and list every door, gate, cabinet, and outbuilding that needs a lock. We note who uses each one: owner, family, staff, guests, vendors, or emergency contacts. We also check the condition of existing hardware, since salt air often leaves coastal locks stiff or corroded.

  2. 2

    Design the key hierarchy

    We sketch the structure on paper: a grand master, master keys for groups of doors, and individual change keys. You decide who sits at each level. We explain the tradeoffs, because more levels mean more flexibility but also more complexity in the pinning.

  3. 3

    Choose the right cylinders and key control level

    We recommend cylinders that fit your doors and your risk. A restricted keyway means copies can only be made through an authorized channel, which helps when you have many keyholders. For exterior doors near the water, we discuss marine-grade or stainless hardware that holds up better.

  4. 4

    Install and pin the system on site

    We install or rekey the cylinders at your property and pin them to the hierarchy. Because we are mobile, the work happens where the doors are, and we can test every key against every lock before we leave.

  5. 5

    Issue keys and document the system

    We cut and label keys, and give you a clear record of which key opens which doors. We suggest a simple sign-out habit for master keys so you always know who holds them.

  6. 6

    Plan for changes and growth

    Staff leave, rentals turn over, and buildings expand. We explain how to rekey a single level, add doors, or retire a lost key without redoing everything, so the system keeps working for years.

Need master key system in Malibu?

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 cabinets that will be part of the system
  • How many levels the key hierarchy has, such as grand master, master, and change keys
  • The type of cylinders chosen, including restricted keyways and marine-grade or stainless hardware
  • Whether existing locks can be reused and rekeyed or must be replaced
  • How many keys need to be cut and how many different keyholders you have
  • The condition of current hardware, especially corroded exterior locks near the coast
  • Whether the job involves multiple buildings or a spread-out property that takes more time to cover

Why Malibu chooses us

  • Fully mobile and available 24/7, so design visits and urgent changes happen at your property with no storefront trip
  • Operating since 1987, with owner David Shar leading the work
  • Systems designed around how your people use the property, not a one-size template
  • Honest advice on keeping a system simple when fewer levels will serve you better
  • Familiarity with Malibu conditions, including salt-air corrosion and the hardware that tends to survive it
  • Clear written key records so you can see who can open what

Master Key System across Malibu

Malibu properties rarely fit a standard layout. In Point Dume, a vacation rental may need a system where the owner and property manager hold masters, cleaners hold a limited key, and guests get access only to the main house and garage. We can pair a master key structure with a lockbox or smart lock between guest stays, so a lost guest key never forces a full rekey. Around ZIP 90265, which covers Point Dume and much of central and western Malibu, we see many homes with a main house, a guest unit, and a separate garage or studio, which is the kind of layout where a master key system pays off.

In gate-guarded areas like Malibu Colony, access also involves the guard gate, residents, staff, and sometimes emergency override. A system there has to account for the mechanical backup if a smart lock fails. On the beachfront stretches along Carbon and Broad Beach, salt air can seize exterior locks, so we often steer owners toward marine-grade or stainless cylinders when building a system that will stay reliable. Big Rock homes on the hillside above Pacific Coast Highway (SR-1) bring their own mix of gates, terraces, and garages.

Commercial spots near the Malibu Country Mart, the Civic Center, and along PCH have different needs: front-of-house staff, back storage, offices, and vendor access. Whether you are in ZIP 90265, 90263 near Pepperdine University, or 90264 toward Zuma Beach, we come to you by way of PCH, Malibu Canyon Rd, Kanan Dume Rd, or Topanga Canyon Blvd (SR-27), and we are available around the clock.

Locked out or need a locksmith now?

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

Call (323) 997-8867

Other Malibu locksmith services

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

Master Key System in Malibu — FAQs

What is a master key system?
It is a lock setup where each lock has its own key, and higher-level master keys also open groups of locks. This lets you give each person only the access they need while a few keys open everything.
Can you convert my existing Malibu locks into a master key system?
Often yes. If your current cylinders can be rekeyed, we can pin them into a system. Corroded or worn hardware, which is common near the coast, may need replacement. Call (323) 997-8867 and we can look at what you have.
What is a restricted key system, and do I need one?
A restricted keyway limits key duplication to authorized channels, so copies cannot be cut at any hardware store. It suits rentals, offices, and properties with many keyholders. We help you decide if the added control is worth it.
Will salt air affect a master key system on a beachfront property?
Salt air can corrode exterior locks and gate hardware, which can make keys stick regardless of the system. For exposed doors, we discuss marine-grade or stainless options so the system keeps working.
Can a master key system work for a vacation rental near Point Dume?
Yes. We can set up different access for owners, managers, and cleaners, and combine it with a lockbox or smart lock for guests. Call (323) 997-8867 to talk through your setup.
What happens if a master key is lost?
It depends on the level. A lost change key may only require rekeying one lock, while a lost master may require rekeying a group. A good hierarchy limits the damage, and we explain this during design.
Do you have a shop I can visit in Malibu?
No. We are fully mobile and come to your property, any time of day or night. Just call (323) 997-8867.
Can you add doors to the system later?
Usually yes, as long as the system was documented and the keyway allows expansion. We keep clear records so adding doors or keyholders later is straightforward.
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