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Crenshaw Lock

Access Control in Walnut · 24/7 mobile

Access Control Installation in Walnut, California

Crenshaw Lock Company installs keypad, card and fob access-control systems for business entrances in Walnut, California. We are a fully mobile locksmith available 24/7, and we come to your door. To talk through your entrance and get started, call (323) 997-8867.

  • Mobile to your Walnut 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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Walnut is a quieter, newer suburban city than many of its neighbors along SR-60, but its businesses still have the same problem every owner knows: keys get copied, lost, or handed to someone who no longer works for you. Access control replaces that guessing game with entrances that open for the right people and leave a clear picture of who has permission. For a small office on Valley Blvd, a medical suite near Lemon Ave, or a workshop off Pierre Rd, a keypad, card or fob reader is often the most practical upgrade you can make.

Crenshaw Lock Company has served Greater Los Angeles and Ventura County since 1987, and owner and lead tech David Shar has seen how access systems succeed or fail in the field. Most failures are not about the technology. They come from a reader mounted on a door that does not close properly, a lock that does not match the door, or a system nobody on staff knows how to manage. We try to get those basics right before anything gets wired or programmed.

We are fully mobile. There is no storefront to visit. We evaluate your entrance on site, explain the realistic options in plain language, and install the system at your door. Because we operate 24/7, we can also help when a business needs to secure an entrance quickly after a break-in attempt, a staff change, or a lost credential.

How it works in Walnut

  1. 1

    Walk the entrance and talk through who needs access

    We start at your door. We look at the type of door and frame, how it closes, what lock is on it now, and how people actually come and go. We also ask who needs entry, whether that is a handful of employees or rotating contractors, and whether you need different rules for different people.

  2. 2

    Choose the right credential type

    Keypads suit small teams and shared entrances where codes can be changed easily. Cards and fobs make it simple to cancel one lost credential without affecting anyone else. In some cases a mix works best. We explain the tradeoffs honestly so you are not paying for features you will never use.

  3. 3

    Match the hardware to the door

    The reader is only part of the system. The lock or electric strike, power supply, and door hardware all have to work together. If a door sags, scrapes, or does not latch reliably, we tell you before installing, because an access system on a bad door will frustrate everyone.

  4. 4

    Install and wire the system

    We mount the reader, install the locking hardware, and connect power and control components neatly. We aim to keep the entrance looking clean and to make sure you can still exit freely and safely, which matters for the people in your building.

  5. 5

    Program credentials and test thoroughly

    We set up your codes, cards or fobs, then test the system repeatedly, including how it behaves after a power interruption. We confirm that the door latches properly every time and that the settings match the access rules we discussed.

  6. 6

    Show you how to manage it

    Before we leave, we walk you or your designated manager through adding and removing users, changing codes, and what to do if something stops working. You should never feel locked out of your own system.

Need access control in Walnut?

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 entrances being secured, since each door needs its own reader and locking hardware.
  • The type of door and frame, such as glass storefront, metal, or wood, which affects what hardware can be used and how it is installed.
  • The kind of credentials you choose, whether keypad, card, fob, or a combination, and how many users need them.
  • Whether existing wiring and power are usable or new cabling is needed to reach the door.
  • The locking method selected, such as an electric strike or a different electrified lock, and any door repairs needed to make it work reliably.
  • Timing of the visit, including after-hours or urgent work, and any extra features such as multiple user levels.

Why Walnut chooses us

  • Fully mobile service, so we assess and install right at your entrance instead of asking you to bring anything to a shop.
  • In business since 1987, with owner and lead tech David Shar bringing long hands-on experience with commercial doors and locks.
  • We look at the whole door, not just the reader, and we will tell you plainly if a door needs attention before an access system makes sense.
  • Available 24/7, which helps when an entrance needs securing outside normal business hours.
  • We teach you to manage your own system so you are not dependent on us for simple changes like adding or removing a user.
  • Recommendations based on how your people actually use the door, not a one-size-fits-all package.

Access Control across Walnut

Walnut sits between the San Jose Hills and the Puente Hills, and its commercial life is spread along corridors like Valley Blvd, Lemon Ave, Grand Ave, Amar Rd, Nogales St and Pierre Rd, with quick links to SR-60 and SR-57. Businesses in ZIP 91789 and ZIP 91788 range from small professional offices and service shops to storefronts that serve the surrounding residential neighborhoods. Many of these entrances still depend on traditional keys, which is where an upgrade to keypad or fob access often pays off in simpler day-to-day management.

The Mt. San Antonio College area anchors the north side of the city, and the steady flow of students and commuters shapes how nearby businesses operate. Shops and offices around Grand Ave often have varied schedules, part-time staff, and turnover, which makes credentials you can cancel individually especially useful. Walnut also has a strong residential character, including gated communities like Snow Creek and the neighborhood of Walnut Heights, so we understand that many local owners are used to electronic access at home and expect something similarly smooth at work.

With parks such as Suzanne Park and Creekside Park nearby and semi-rural pockets running into the hills, some Walnut properties blend business and equestrian or home-based uses, with outbuildings and gates that need different hardware than a standard office door. If your property has more than one entry point, we can talk through which ones deserve full access control and which are better served by a quality conventional lock. Call (323) 997-8867 and we will come to you.

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 Walnut locksmith services

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

Access Control in Walnut — FAQs

Do you install access control for businesses in Walnut?
Yes. We install keypad, card and fob access-control systems for business entrances throughout Walnut. We are fully mobile and available 24/7, so call (323) 997-8867 to discuss your door.
Should I choose keypads, cards or fobs?
It depends on your team. Keypads are simple for small groups. Cards and fobs let you cancel one lost item without changing anything for everyone else. We will help you pick based on how your staff uses the entrance.
Can you add access control to my existing door?
Often yes, but it depends on the door and frame. We check how the door closes and what hardware is there. If repairs are needed for reliable operation, we will tell you before installing.
How much does installation cost?
It depends on the number of doors, the door type, the credentials you choose, wiring needs, and the locking hardware. We do not quote prices without seeing the entrance, but we explain what affects the total. Call (323) 997-8867 to get started.
Will the door still be safe to exit during a power outage?
Safe exit is a priority in how we design and install systems. We discuss how the lock behaves during a power interruption and test it so you know what to expect.
Can I remove a former employee's access easily?
Yes. With codes you can change the code, and with cards or fobs you can deactivate a specific credential. We show you how to manage users before we finish.
Do you have a shop I can visit in Walnut?
No. We are a mobile-only locksmith. We come to your business, assess the entrance, and install on site.
Can you help with gates or outbuildings on my property too?
We can discuss them during the visit. Some entrances suit full access control and others are better with a high-quality conventional lock. Reach us at (323) 997-8867 to 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