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Crenshaw Lock

Master Key System in Lake View Terrace · 24/7 mobile

Master Key System Installation in Lake View Terrace, California

Crenshaw Lock Company designs and installs master key systems with key control in Lake View Terrace, California. We are fully mobile and available 24/7, coming to your property wherever it sits in the foothills. Call (323) 997-8867 to talk through your gates, barns, and buildings.

  • Mobile to your Lake View Terrace 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 locks while each person still carries only the key they need. In Lake View Terrace that matters more than people expect. Many properties here are not one building behind one front door. A large-lot horse property near Hansen Dam Horse Park may have a driveway gate, a house, a barn, a tack room, a trailer, and several detached outbuildings, each with its own lock and its own bunch of keys.

A well-planned system replaces that pile of keys with a clear structure. The owner holds a master key, a ranch hand or boarder holds a key that opens only the barn and tack room, and a contractor or house sitter gets a key for one door. If one key goes missing, you deal with that level of the system instead of rekeying everything. Restricted keyways add key control, so copies cannot be cut at a hardware-store kiosk without authorization.

Crenshaw Lock Company has served Greater Los Angeles and Ventura County since 1987, and David Shar leads the work. We are mobile only, with no storefront, so planning and installation happen at your property. That suits this community, where the layout of the land is the first thing we need to understand.

How it works in Lake View Terrace

  1. 1

    Walk the property and list every lock

    We start by going through your property with you: gate, house, barn, tack room, trailer, outbuildings, and any commercial or rental spaces. We note what exists, what is worn or weather-damaged, and who needs access to what.

  2. 2

    Map out who needs which key

    Together we sketch the key hierarchy: a top master, group masters if useful, and individual keys. We talk through owners, family, ranch staff, boarders, trainers, and vendors, and decide how much access each really needs.

  3. 3

    Choose hardware for the conditions

    Foothill dust, wind, sun, and moisture are hard on exterior locks. We recommend weather-resistant, shrouded, or hardened hardware for barns, gates, and outbuildings, and compatible cylinders where a master system applies. Not every padlock suits a master system, and we say so plainly.

  4. 4

    Pin, install, and test the cylinders

    We combinate the cylinders to the agreed hierarchy, install them on site, and test every key against every lock. Each key should open exactly what it is meant to and nothing else.

  5. 5

    Set up key control and records

    We can use a restricted keyway so duplication needs authorization, and we give you a clear record of the system. That makes it easier to add locks, issue keys, or respond when one is lost.

  6. 6

    Support for changes later

    Staff turns over, boarders come and go, and properties get new outbuildings. We can expand the system, rekey a level, or add locks later without starting from scratch, day or night.

Need master key system in Lake View Terrace?

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What affects the price

  • The number of locks and doors to be included, since each cylinder has to be combinated and tested.
  • The complexity of the hierarchy, such as a single master versus several group masters and many individual keys.
  • Hardware grade and keyway type, including restricted keyways and hardened or shrouded weather-resistant locks.
  • Whether existing locks can be converted or must be replaced, which depends on their condition and compatibility.
  • How spread out the property is, since long driveways and distant outbuildings add to the installation work.
  • Whether the work is scheduled in advance or needed urgently outside normal hours.

Why Lake View Terrace chooses us

  • We are fully mobile and work on site, so the system is designed around your actual gates, barns, and outbuildings.
  • David Shar and the team have been working in Greater Los Angeles and Ventura County since 1987.
  • We tell you honestly when a master system fits and when separate locks are simpler, especially for padlocks exposed to weather.
  • We plan for rural and equestrian realities such as dust, wind, long driveways, and tamper-conscious owners.
  • Availability is 24/7, so a lost master key or after-evacuation security problem can be handled when it happens.
  • We document the key hierarchy so you can see who has access to what and make changes later.

Master Key System across Lake View Terrace

Lake View Terrace sits at the foot of the San Gabriel Mountains, with Hansen Dam as its anchor. In the Equestrian district around Hansen Dam Horse Park, properties often have long driveways with keypad or locked gates, barns, corrals, and detached outbuildings. Those are the places where a master key system pays off, because one owner may manage a dozen locks that all take a beating from weather.

We also work around the Hansen Dam district and out toward the Kagel Canyon border, where ranch-style homes and larger lots mean more distance between the house and the outbuildings. Whether you live off Foothill Boulevard, near Osborne Street or Wheatland Avenue, or close to the I-210 and I-5 corridors, we come to you. In ZIP code 91342, that can mean anything from a ranch home to a small commercial or recreation-related space.

Foothill communities also deal with Santa Ana winds and wildfire season. After an evacuation, people often want to rekey and re-establish who has access. A master key system makes that easier because you can change a level of access instead of every lock. Call (323) 997-8867 any time to plan one.

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Other Lake View Terrace locksmith services

See all of our Lake View Terrace services, or our citywide master key system page.

Master Key System in Lake View Terrace — FAQs

What is a master key system?
It is a setup where each lock has its own key, and higher-level master keys open groups of locks or all of them. It lets you give people only the access they need while you keep full control.
Is a master key system useful for a horse property?
Often, yes. A property with a gate, house, barn, tack room, and outbuildings can have a lot of keys. A system can let ranch help use one key for the barn and tack room while you keep a master. Call (323) 997-8867 and we can talk through your layout.
Can padlocks be part of a master key system?
Some padlocks can be combinated to a system and some cannot. For barns and outbuildings, we look at weather-resistant and hardened options and tell you which ones will work with your hierarchy.
What does restricted-key control mean?
A restricted keyway uses key blanks that are not freely available, so copies generally require authorization. It helps prevent unauthorized duplication of keys.
Can you convert my existing locks?
Sometimes. It depends on the brand, condition, and compatibility of the existing cylinders. We inspect on site and tell you what can stay and what should be replaced.
Do you come to properties off Foothill Boulevard and near Hansen Dam?
Yes. We are fully mobile and serve Lake View Terrace, including the Hansen Dam and Equestrian districts and the Kagel Canyon border. Call (323) 997-8867.
What if a master key is lost?
Contact us right away. Depending on the system, we may rekey the affected level or replace cylinders so the lost key no longer works. We are available 24/7.
Can the system be expanded later?
Usually yes. A good design leaves room for new locks, new staff, or new buildings, so you can grow without replacing everything.
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