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Crenshaw Lock

Master Key System in Lakewood · 24/7 mobile

Master Key System in Lakewood, California

Crenshaw Lock Company designs and installs master key and restricted key systems with key control for Lakewood, California businesses and property owners. We are fully mobile and available 24/7, and we come to your site. Call (323) 997-8867 to plan a system that fits your doors and your people.

  • Mobile to your Lakewood 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 higher-level key opens many or all of them. A retail owner may want staff to open only the stockroom and front door while a manager opens everything. A landlord may want each tenant to open only their own space while maintenance reaches shared areas. Done well, it cuts the ring of keys people carry and makes it clear who can go where.

Lakewood has a big commercial side that people sometimes overlook next to its rows of 1950s ranch houses. Lakewood Center anchors a large retail core, and The Centre at Sycamore Plaza and the stretches along Lakewood Blvd, Del Amo Blvd and Carson St hold shops, offices, and small multi-tenant buildings. Those properties change staff and tenants regularly, which is exactly when a plain pile of identical keys becomes a problem.

Crenshaw Lock Company has served Greater Los Angeles and Ventura County since 1987, led by owner and lead tech David Shar. We are mobile only, so there is no storefront to visit. We meet you at the property, look at the doors and hardware you actually have, and design the system around them rather than selling a one-size package.

How it works in Lakewood

  1. 1

    Walk the property and list the doors

    We come to your location and go through every door that needs a key: front entries, back doors, stockrooms, offices, utility rooms, gates. We note the existing locks, brands, and condition, because some hardware can be converted and some should be replaced.

  2. 2

    Decide who needs access to what

    We talk through the people involved, such as owner, managers, staff, tenants, cleaners, and maintenance. From that we map out access levels so each key opens only what its holder should reach, with a master level above them.

  3. 3

    Design the key hierarchy

    We lay out the structure on paper: change keys for individual doors, sub-master keys for groups, and a top master. We explain tradeoffs plainly, including that more levels in a system add complexity and can affect how many unique key combinations remain.

  4. 4

    Choose key control and restriction

    If you want to prevent copying, we discuss restricted keyways, where duplicates are only made with authorization. We also talk about how you will record who holds which key so control does not fade over time.

  5. 5

    Install, rekey, and test every door

    We pin or replace cylinders to match the design, cut the keys, and test each key on each door, including confirming that keys do not open doors they shouldn't. We then hand over a clear key schedule.

  6. 6

    Plan for staff changes and expansion

    Systems should grow with the business. We explain how to add doors, replace a lost key, or rekey after an employee leaves without rebuilding everything, and you can call us any hour for help.

Need master key system in Lakewood?

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What affects the price

  • The number of doors and cylinders included in the system, since each one must be pinned or replaced.
  • How many access levels you want, from a simple master and change keys to multiple sub-master groups.
  • Whether existing hardware can be converted or needs to be replaced with cylinders that support master keying.
  • Whether you choose a restricted keyway with controlled duplication rather than a standard open keyway.
  • The number of keys to be cut for each level and holder.
  • Timing and location, such as an after-hours visit or a job that spans several buildings or suites.

Why Lakewood chooses us

  • Mobile only: we work on your doors at your site, so we see the real hardware before recommending anything.
  • Serving this region since 1987, with owner and lead tech David Shar involved in the business.
  • We explain the tradeoffs of master keying honestly, including added complexity, rather than overselling layers you do not need.
  • We design around your people and workflow, not a generic template, and give you a written key schedule when finished.
  • Available 24/7, so a lost master key or sudden staff departure can be dealt with when it happens.
  • We handle the whole job in one team: design, cylinder work, key cutting, and testing.

Master Key System across Lakewood

Lakewood's commercial life centers on Lakewood Center, the large regional mall that opened in the early 1950s, along with The Centre at Sycamore Plaza and the business frontage on Lakewood Blvd, Del Amo Blvd and Carson St. A retail tenant bringing on new staff, for example, often needs a storefront rekey and a master key setup so employees open what they must and managers open everything. We work in ZIP codes across the city, including 90712 and 90713, and reach businesses from the I-605 and SR-91 corridors into the neighborhood side streets.

The city is also famous for its housing: a mass-produced early-1950s tract suburb sometimes called the Levittown of the West, with tens of thousands of near-identical single-story stucco ranch houses, most still on original builder-grade Kwikset locksets. That matters for master keying in a few ways. Small landlords with several rental homes in Lakewood Village, Lakewood Park, or Carson Park sometimes want one key for maintenance across the properties while each tenant keeps their own. Because the hardware is so uniform, planning is often straightforward, though older deadbolts can be worn and may need replacement first.

Whether you manage shops near the mall, a small office, or rental homes near Rynerson Park or Mayfair Park, we come to you. Call (323) 997-8867 and we will talk through what you have, what you want to control, and what a sensible system looks like for your Lakewood property.

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Other Lakewood locksmith services

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

Master Key System in Lakewood — FAQs

What is a master key system?
It is a lock setup where each door has its own key, and a higher-level master key opens many or all of them. It lets you give people only the access they need while keeping one key for management. Call (323) 997-8867 to talk through your doors.
Can you convert my existing locks to a master key system?
Often yes, if the cylinders can be rekeyed or pinned for master keying. Some older or worn hardware is better replaced. We inspect on site and tell you what can be reused and what cannot.
Do you offer restricted keys that cannot be copied at a hardware store?
Yes. Restricted keyways limit duplication to authorized requests. This helps businesses and landlords in Lakewood keep control of who holds keys. We explain how the controls work and what you will need to do to order extras.
Is master keying a good fit for a small Lakewood retail shop?
It can be, especially if you have staff turnover or separate stockrooms and offices. A very small shop with one or two doors may not need it. We will say so honestly rather than add layers you won't use.
Can I use a master key system for rental homes in Lakewood?
Yes. A landlord with several tract homes can have each tenant's key work only their house while a master key serves maintenance. Older deadbolts may need replacing first, and we check this during the visit.
What happens if a master key is lost?
We assess which doors it opened and recommend a response, which may be rekeying some or all cylinders. We are available 24/7, so call (323) 997-8867 as soon as you know it is missing.
Do you have a shop I can visit to plan the system?
No. We are a fully mobile service and come to your property. That lets us see your actual doors and hardware before we design anything.
How do I add a new door or employee later?
A well-planned system leaves room to grow. We can add cylinders to the existing hierarchy, cut new keys at the right level, or rekey a single door after a staff change without rebuilding the whole system.
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