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Crenshaw Lock

Master Key System in Hawthorne · 24/7 mobile

Master Key System in Hawthorne, California

Crenshaw Lock Company designs and installs master key and restricted-key systems in Hawthorne, California, with key control built in. We are fully mobile and available 24/7, coming to your building so we can plan around your doors. Call (323) 997-8867 to talk through your property.

  • Mobile to your Hawthorne 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 is a plan for who can open what. One key opens every door for the building manager, a smaller key opens only a suite or a floor, and a tenant's key opens only their own space. Done well, it cuts down the ring of keys everyone carries and makes it clear who has access to which areas. Done badly, it creates weak spots, so the design matters as much as the hardware.

Hawthorne has a wide mix of properties where this applies. Dense mid-century apartments and dingbats along and off Hawthorne Blvd turn over tenants often. Newer condo and townhome communities like 360 South Bay have shared doors and amenity spaces. Light-industrial and aerospace-adjacent tenants near Hawthorne Municipal Airport (Jack Northrop Field) and the SpaceX Rocket Road corridor often want restricted keyways so keys cannot be copied at a hardware store counter.

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, with no storefront to visit. We come to you, look at the doors, and build a system that fits how your property actually runs.

How it works in Hawthorne

  1. 1

    Walk the property and map the doors

    We visit your building, count and categorize the doors, and note what hardware is already there. Entry doors, suites, utility rooms, garages, gates and shared spaces are listed so we understand every point the system must cover.

  2. 2

    Define access levels together

    We ask who needs access to what: owner, manager, maintenance, tenants, vendors. From that we sketch a hierarchy, such as a grand master, masters for zones, and individual change keys. You approve the plan before we cut anything.

  3. 3

    Choose cylinders and keyway

    We match the system to your needs. Standard keyways work for many residential rentals, while a restricted or patented keyway suits properties that want tighter control over who can duplicate keys, such as an industrial tenant after an attempted entry.

  4. 4

    Install and pin the cylinders

    We replace or rekey cylinders on site, pinning each lock to its place in the hierarchy. Where existing hardware is worn, we tell you honestly whether it is worth keeping or better to replace.

  5. 5

    Test every door and every key

    Each key is tried on every lock it should open, and on those it should not. We fix mismatches before leaving so you are not discovering problems later.

  6. 6

    Set up key control and records

    We document the key schedule and talk through how to issue, track and retrieve keys. When a tenant leaves or an employee departs, you can rekey a single door without redoing the whole building.

Need master key system in Hawthorne?

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 and cylinders included in the system
  • How many access levels the hierarchy needs, from a simple master to multiple zones with a grand master
  • Whether you choose a standard keyway or a restricted keyway with duplication control
  • The condition and type of existing hardware, and whether any needs replacing
  • How many keys of each level you need cut
  • Whether the work is a new system or an expansion of an existing one, and the scheduling needed around occupied units

Why Hawthorne chooses us

  • Fully mobile and available 24/7, so work can be scheduled around tenants and business hours rather than ours
  • In business since 1987, with experience across apartments, offices and light-industrial spaces in the LA area
  • Led by owner David Shar, so the person who plans your system is accountable for it
  • We design the hierarchy with you first and do not push hardware you do not need
  • Honest advice about old hardware, including when original 1950s locks are worth keeping and when they are not
  • Key control guidance included, so the system stays secure after we leave

Master Key System across Hawthorne

Hawthorne's building stock shapes how master key systems get used here. Many apartments built during the aerospace boom are small, dense and rented, so rekeying between tenants is constant. A manager of a mid-century building off Hawthorne Blvd, for example, may need the entry and deadbolt rekeyed before a new lease begins, while keeping a master key for maintenance. In ZIP 90250, where much of this rental housing sits, a master system keeps that routine manageable.

Newer developments bring different needs. In and around 360 South Bay near Holly Glen, shared entries, garages and amenity doors benefit from clear access levels. A Holly Glen homeowner with a 1950s stucco tract house might want smart deadbolts on the front and side doors plus a master-keyed garage service door, so one key serves daily life while another is held back. Neighborhoods like Bodger Park and Ramona have similar older homes where original hardware often deserves a fresh look.

Near the airport and the aerospace corridor, including ZIP 90251 and the roads around Rosecrans Ave, El Segundo Blvd and Imperial Hwy, businesses care more about restricted keys and tight control. A light-industrial tenant who has had an attempted entry may want a high-security lock with a restricted keyway so keys cannot be casually copied. Because we are mobile, we meet you on site, whether you are minutes from the I-105 or the I-405, and plan around your operations.

Locked out or need a locksmith now?

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

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Other Hawthorne locksmith services

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

Master Key System in Hawthorne — FAQs

What is a master key system?
It is a lock plan where different keys open different sets of doors. A master key opens many locks, while individual keys open only specific ones. It reduces key clutter and gives you clear control over access.
Can you add a master key to my existing locks?
Often yes, if the existing cylinders can be re-pinned or are compatible. We inspect them first and tell you honestly if some should be replaced. Call (323) 997-8867 to describe your doors.
What is a restricted keyway and do I need one?
A restricted keyway uses a key blank that is not freely sold, so copies are harder to make without authorization. It suits businesses and properties that want stronger key control, such as light-industrial spaces near the airport.
Is a master key system useful for a Hawthorne apartment building?
Yes. With frequent tenant turnover, you can rekey a single unit without disturbing the rest, while managers and maintenance keep the access they need. It makes same-day turnovers easier to handle.
Can a homeowner use a master key setup?
Yes. A common example is keying a garage service door so it works with a separate key from the house, or combining it with smart deadbolts. We can talk through options for older tract homes in areas like Holly Glen.
What happens if a master key is lost?
Depending on the level of the lost key, we may need to rekey affected locks. A well-planned hierarchy limits how many doors are involved. Call (323) 997-8867 and we will assess the situation.
Do you have a shop I can visit?
No. Crenshaw Lock Company is fully mobile. We come to your property in Hawthorne, and we are available 24/7.
How is the price determined?
It depends on the number of doors, access levels, keyway type, existing hardware condition and how many keys you need. We review these on site so the plan matches 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