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Crenshaw Lock

Access Control in Monrovia · 24/7 mobile

Access Control Installation in Monrovia, CA

Crenshaw Lock Company installs keypad, card and fob access control systems for business entrances in Monrovia, California. We are fully mobile and available 24/7, so we come to your door. Call (323) 997-8867 to talk through your entrance and get a plan for the right system.

  • Mobile to your Monrovia location
  • Available 24/7
  • Price quoted before we start
Call (323) 997-8867or tap to call — we answer 24/7
Keycard held to an access control reader beside an office door
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Monrovia businesses work in a mix of buildings that few cities can match. Along Myrtle Avenue in Old Town, small shops and restaurants sit in storefronts of different ages, each with its own door, frame and lock history. Out toward Huntington Drive and Foothill Boulevard you find offices, clinics and light commercial spaces with a very different set of doors. An access control system has to fit the actual door in front of it, and that is where we start.

Access control replaces or supplements a traditional key with a keypad code, a proximity card or a key fob. For a business, the appeal is practical. You can give an employee entry without handing over a copy of a metal key, remove someone's access without rekeying the whole building, and stop worrying about a lost key forcing a lock change. For a restaurant with staff turnover or a shop with several keyholders, that control is worth a lot.

Crenshaw Lock Company has served Greater Los Angeles and Ventura County since 1987 under owner and lead technician David Shar. We are mobile only, with no storefront to visit. We come to your Monrovia location, look at the door, talk through how your people actually use the entrance, and install a system that suits it. Because we are available around the clock, we can also work around your business hours when a daytime install would get in the way.

How it works in Monrovia

  1. 1

    Talk through how the entrance is used

    We begin with a conversation. Who comes and goes, how many people need access, whether staff work odd hours, and whether the door is a front customer entrance, a back-of-house door or a shared building entry. Those answers shape which kind of reader and lock make sense.

  2. 2

    Inspect the door, frame and hardware on site

    Because we are mobile, we look at the door where it stands. We check the material, the frame, the existing lockset, how the door closes and where power or wiring can reasonably run. Older Old Town storefronts often need more care than a newer office suite.

  3. 3

    Recommend a keypad, card or fob approach

    We explain the options in plain terms. A keypad suits a small team that shares a code, while cards and fobs suit businesses that want to issue and cancel access individually. We tell you what fits your door and your budget rather than pushing the most complicated option.

  4. 4

    Install and secure the hardware

    We mount the reader or keypad, fit the electronic lock or strike, and make sure the door still latches and releases properly. We keep the work neat so the entrance looks tidy for customers and still meets your need for safe exit.

  5. 5

    Program users and test everything

    We set up codes, cards or fobs, then test each one along with the door's normal operation. We check that the door locks behind people and that you can add or remove users.

  6. 6

    Walk you through day-to-day use

    Before we leave, we show you or your manager how to manage access, what to do if a card is lost, and who to call if something stops working. You can reach us at (323) 997-8867 any time.

Need access control in Monrovia?

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What affects the price

  • The number of doors being converted, since each entrance needs its own reader, lock and testing.
  • The type of system chosen: a basic keypad is a simpler job than a card or fob system with multiple users.
  • The condition and material of the existing door and frame, which can call for added prep or different lock hardware.
  • How power and wiring reach the door, especially in older storefronts where running a cable takes more work.
  • The number of users and credentials to be set up, such as cards or fobs for a larger team.
  • Whether the work happens during normal hours or needs to be scheduled around your business, including nights or weekends.

Why Monrovia chooses us

  • Fully mobile service: we come to your Monrovia business instead of asking you to bring anything to a shop, because we have no storefront.
  • Experience since 1987 working on commercial doors across Greater Los Angeles and Ventura County, led by owner David Shar.
  • Available 24/7, so installs can be scheduled around your hours instead of interrupting your customers.
  • Honest recommendations: we match the system to your door and your team rather than overselling features you will not use.
  • Comfort with older buildings, including storefront doors that have been modified over the decades and do not match modern standard sizes.
  • We also handle the basics around the system, like rekeying, lockouts and repairs, so one call covers your entrance.

Access Control across Monrovia

Monrovia's commercial life is centered on Old Town, where Myrtle Avenue runs past the Aztec Hotel, a Route 66 landmark, and a walkable strip of shops and restaurants. Many of those storefronts have doors and frames of very different ages, so an access control install here usually starts with careful attention to what the door can handle. A restaurant near Library Park with a back kitchen entrance has different needs than a boutique with one front door. Businesses in ZIP code 91016 often fall into this Old Town pattern.

Further along Huntington Drive, Foothill Boulevard and Mountain Avenue, you find offices, clinics and small commercial buildings that serve the wider community, including people commuting by the I-210 or the Metro A Line station. These spaces often want controlled entry for staff areas, supply rooms or after-hours access. Mayflower Village has its own cluster of local businesses, and ZIP code 91017 covers parts of the city where we also work.

North Monrovia in the foothills and the area toward Monrovia Canyon Park is quieter and more residential, but home offices, small practices and larger properties with gated entries sometimes call for controlled access too. Wherever your door is in Monrovia, we come to you, 24/7, and plan the install around the actual building.

Locked out or need a locksmith now?

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Other Monrovia locksmith services

See all of our Monrovia services, or our citywide access control page.

Access Control in Monrovia — FAQs

What is the difference between keypad, card and fob access control?
A keypad uses a code you type in, a card is tapped or swiped at a reader, and a fob is a small tag that works the same way. Keypads are simple for small teams. Cards and fobs let you issue and cancel access for each person. Call (323) 997-8867 and we can help you pick.
Can you install access control on an older Old Town Monrovia storefront?
Yes. Older storefronts often have doors and frames that have been changed over the years, so we inspect the door first and choose hardware that fits it. We take care with the existing door and frame.
Do I need to visit your shop to set this up?
No. Crenshaw Lock Company is fully mobile with no storefront. We come to your Monrovia business, look at the door, and do the installation on site.
Can the install be done outside normal business hours?
Yes, we are available 24/7, so we can schedule around your hours. That is useful for restaurants and shops that do not want an install during service. Call (323) 997-8867 to arrange a time.
What happens if an employee leaves or loses a card?
With a card or fob system, you can remove that credential without rekeying the whole door. With a keypad, you can change the code. We show you how to do this during setup.
Will the door still be safe to exit in an emergency?
The system should never trap people inside. We set up the lock so the door can still be exited properly, and we test it before we finish. Local fire and building requirements still apply to your space.
How is the cost of an access control installation decided?
It depends on the number of doors, the type of system, the condition of the door and frame, how wiring reaches the entrance, the number of users, and timing. We explain these factors and talk through your door before work begins.
Can you also rekey or repair the locks on the same door?
Yes. Besides installing access control, we handle commercial rekeying, lockouts and lock repair. If you are not sure what your entrance needs, call (323) 997-8867 and we will talk it through.
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