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Crenshaw Lock

Smart Lock Installation in Walnut · 24/7 mobile

Smart Lock Installation in Walnut, California

Crenshaw Lock Company installs, sets up and troubleshoots smart, keyless and keypad locks across Walnut, California. We are fully mobile and available 24/7, so we come to your door. Call (323) 997-8867 to talk through your door, your lock and what you want it to do.

  • Mobile to your Walnut location
  • Available 24/7
  • Price quoted before we start
Call (323) 997-8867or tap to call — we answer 24/7
Smart lock with a lit keypad on a front door at night
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Walnut is a city where smart locks make real sense. Many homes here are 1970s and 1980s tract houses on generous lots, along with newer custom builds, and a good share of them already have some form of electronic entry, gated driveways or both. Families want to hand out codes instead of keys, let a contractor in while they are at work, or stop worrying about a spare key hidden under a planter.

A smart lock is only as good as its installation. The door has to be bored correctly, the deadbolt has to throw smoothly into the strike, and the lock has to be paired with your phone, Wi-Fi or hub in a way you can actually live with. We have been working on locks in Greater Los Angeles and Ventura County since 1987, and owner and lead tech David Shar has watched keypads go from novelty to everyday hardware.

We are mobile only. There is no storefront to visit; we bring tools, hardware knowledge and setup experience to your home, and we can also troubleshoot a smart lock you already own that has stopped behaving, whether it will not connect, will not retract, or keeps eating batteries.

How it works in Walnut

  1. 1

    Talk through your door and your goals

    When you call (323) 997-8867, we ask what kind of door you have, what lock is on it now, and how you want to enter: code, phone, fingerprint, key fob or a mix. We also ask whether you use a smart-home system so the lock you choose fits it.

  2. 2

    Check the door, bore and strike

    At the property we look at door thickness, the existing bore holes, the backset, and the condition of the strike plate and frame. A smart lock adds weight and relies on clean alignment, so a sagging door or loose frame is better found now than after installation.

  3. 3

    Install the hardware

    We remove the old deadbolt or handleset, fit the new lock, and align the bolt so it extends fully without force. Where practical we reinforce the strike so the lock is physically solid, not just electronically clever.

  4. 4

    Pair, program and test

    We connect the lock to your phone, app, Wi-Fi bridge or hub, then create user codes, set the master code and adjust options like auto-lock. We run the lock repeatedly from inside, outside and by app so you see it work.

  5. 5

    Walk you through everyday use

    We show you how to add and delete codes, what the low-battery warnings look like, and how to use the backup key or emergency power option. Everyone in the household should know how to get in if the phone dies.

  6. 6

    Troubleshoot existing smart locks

    If you already own a smart lock, we diagnose connection drops, jammed bolts, misaligned doors, keypad faults and battery drain, then repair, re-pair or recommend a replacement.

Need smart lock installation 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 type of lock: a basic keypad deadbolt, a Wi-Fi enabled model and a multi-method lock with fingerprint or fob each involve different hardware and setup time.
  • Whether the door is ready: a clean standard bore is simpler than a door needing drilling changes, a new strike, or frame reinforcement.
  • How many locks are involved, such as a front door only versus front, back and side doors keyed or coded to work together.
  • Integration work, like linking to a smart-home hub, voice assistant or existing app accounts, which adds configuration time.
  • Whether you supply the lock or want us to supply one, and whether we are installing new or repairing an existing unit.
  • Time and conditions of the visit, since we are available 24/7 and after-hours or urgent calls are scheduled differently than planned daytime work.

Why Walnut chooses us

  • Fully mobile service: we do the work at your door, with no need to take the lock or door anywhere.
  • In business since 1987, with the owner, David Shar, leading the work rather than handing it off to unknown subcontractors.
  • We treat the door as part of the system, checking alignment, strike and frame so the lock operates reliably.
  • We install, set up and troubleshoot, so you have one number to call whether you are starting fresh or fixing a lock another installer left half-working.
  • We explain the backup plan for every lock, including keys and emergency power, so you are not stranded when a battery dies.
  • Available 24/7, so a lock failure at night does not have to wait until morning.

Smart Lock Installation across Walnut

Walnut sits between the San Jose Hills and Puente Hills, and its housing reflects that: tract homes on larger lots, newer custom houses, and gated communities such as Snow Creek. At a Snow Creek home, a smart lock often works alongside community gate access, so we pay attention to how guests, deliveries and family members will actually enter and keep your front door code system simple to manage. Homes in Walnut Heights and other hillside streets often have long driveways and side gates, which makes keyless entry for more than one door especially handy.

We work throughout ZIP codes 91789 and 91788, from the neighborhoods near Suzanne Park and Creekside Park to the streets around Mt. San Antonio College. Near Mt. SAC, rental homes and shared households benefit from codes that can be changed when a tenant or roommate moves out, instead of rekeying every time. Getting around is easy via SR-60, SR-57, Grand Ave, Valley Blvd, Lemon Ave, Nogales St, Amar Rd and Pierre Rd.

Some Walnut properties in the hills are equestrian, with barns and driveway gates that take real weather and dust. If you are wondering whether a keypad or smart lock suits that kind of hardware, call (323) 997-8867 and describe the setup. We will tell you honestly what works and what does not.

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 smart lock installation page.

Smart Lock Installation in Walnut — FAQs

Can you install a smart lock on my existing door in Walnut?
In most cases, yes. Most standard doors accept a smart deadbolt. We check door thickness, bore size and alignment first. Call (323) 997-8867 and describe your door, and we will tell you what to expect.
Do I need Wi-Fi for a smart lock to work?
Not always. Many keypad locks work without any network, and Wi-Fi or a hub is only needed for remote control and notifications. We help you choose based on how you want to use the lock.
Will a smart lock work at my Snow Creek home with the community gate?
Generally yes, since the gate and your front door are separate systems. We set up your door lock so codes are easy to share with family and visitors, in addition to whatever the community requires for gate access.
What happens if the batteries die or my phone is dead?
Most smart locks give low-battery warnings well ahead of time, and many have a backup key or a way to power the lock temporarily. We show you the option on your model. If you are already locked out, call (323) 997-8867 any time.
Can you fix a smart lock I already bought?
Yes. We troubleshoot connection problems, keypads that do not respond, bolts that jam and doors that no longer align, and we can re-pair or reprogram the lock. Sometimes the cause is the door rather than the lock.
Is a smart lock secure?
A quality smart lock on a well-aligned door with a solid strike can be a strong upgrade. Security depends on the hardware, the installation and good habits like unique codes and keeping the app updated. We talk through all three.
Can you handle a barn or driveway gate lock on an equestrian property?
Yes, we work on gate and outbuilding hardware as well as house doors. Because of outdoor exposure, we help match the lock to the conditions. Call (323) 997-8867 to describe the gate.
Do you come out at night or on weekends?
We are a 24/7 mobile locksmith, so you can call any time. We do not have a storefront; we come to you in Walnut and surrounding areas.
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