Open 24/7 · Greater Los Angeles & Ventura County

(323) 997-8867
Crenshaw Lock

Lock Replacement in South El Monte · 24/7 mobile

Lock Replacement in South El Monte, California

Crenshaw Lock Company provides 24/7 mobile lock replacement in South El Monte, California. We come to your home, apartment, warehouse or factory and swap worn, damaged or outdated locks for new hardware that fits your needs. Call (323) 997-8867 to talk through your door and get started.

  • Mobile to your South El Monte location
  • Available 24/7
  • Price quoted before we start
Call (323) 997-8867or tap to call — we answer 24/7
New matte black lock set beside an old worn brass lock
Open now(323) 997-8867

Locks do not last forever. Cylinders wear until keys stick, deadbolts loosen in the door, and hardware installed decades ago may no longer hold up. In South El Monte, that applies to post-war single-family homes and small apartment buildings as much as it does to the tilt-up warehouses and small factories that fill much of the city. Replacing a lock is often the most direct way to restore real security.

Crenshaw Lock Company has served Greater Los Angeles and Ventura County since 1987, and owner and lead tech David Shar built the business around being fully mobile. We have no storefront for you to visit. Our work happens at your door, whether that is a front entry off Peck Road, a man-door at a manufacturing yard, or a roll-up door lock on a building near Santa Anita Ave.

Lock replacement is different from rekeying. Rekeying changes the internal pins so old keys stop working while the hardware stays. Replacement means new hardware: a new deadbolt, knob set, lever, commercial cylinder or heavy-duty padlock. We help you decide which makes sense, and we do not push a full replacement when a simpler fix will do the job. We are available around the clock, day or night.

How it works in South El Monte

  1. 1

    You call and describe the problem

    Call (323) 997-8867 and tell us what is going on: a sticking key, a broken latch, a lock that was forced, or hardware you simply want upgraded. Tell us whether it is a house, apartment, shop or industrial building, and what type of door it is.

  2. 2

    We come to you

    Because we are fully mobile, a technician drives to your South El Monte location with a range of residential and commercial hardware. We are 24/7, so a worn-out deadbolt or a damaged door lock at night is not a problem.

  3. 3

    We inspect the door and existing lock

    We look at the lock, the strike plate, the door edge and the frame. Sometimes the lock is fine and the problem is a misaligned door or a loose plate. We tell you honestly what we see before any work starts.

  4. 4

    We agree on the right hardware

    We go over options: grade of deadbolt, keyed-alike sets so one key opens several doors, commercial-grade cylinders, or a shielded padlock and hasp for a yard gate. You choose what fits your budget and level of risk.

  5. 5

    We install and fit the new lock

    The old hardware comes out and the new lock goes in, with the bolt aligned and the strike reinforced where needed. We adjust the door so it latches smoothly without forcing the key.

  6. 6

    We test and hand over the keys

    We operate the lock several times from both sides, confirm every key works, and walk you through the result. For a business, we can discuss who holds keys and whether a master-key arrangement makes sense.

Need lock replacement in South El Monte?

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 residential knob set costs differently than a high-security deadbolt, a commercial cylinder or a hardened padlock.
  • How many locks are being replaced, and whether they can be keyed alike so one key works throughout.
  • The condition of the door and frame, since a damaged strike, bore or jamb may need repair for the new lock to work properly.
  • The kind of door and hardware, such as a standard entry door, a steel man-door, or a roll-up door lock, which each need different parts and labor.
  • Whether the visit is during regular hours or an after-hours, overnight or weekend call.
  • The security grade and features you want, such as anti-drill or anti-pick protection, restricted keyways or reinforced strike plates.

Why South El Monte chooses us

  • Fully mobile service: we come to your door, with no storefront and no need to bring your lock anywhere.
  • In business since 1987, with owner and lead tech David Shar leading the work.
  • Available 24/7, which matters for industrial sites and homes where a damaged lock cannot wait until morning.
  • We handle both residential hardware and commercial-grade cylinders, padlock-and-hasp setups and roll-up door locks.
  • We tell you plainly whether you need a replacement or whether a rekey or door adjustment will solve the problem.

Lock Replacement across South El Monte

South El Monte is an unusual city for a locksmith, because so much of it is industrial. In the Rush Street and Santa Anita industrial district, many buildings are tilt-up warehouses and small factories secured with commercial cylinders, padlocks and hasps, and roll-up door locks. Those parts take real wear from daily use, weather and forced-entry attempts, and a worn man-door lock or padlock on a yard gate is a good candidate for replacement with heavier-duty hardware.

The residential side of the city is quieter and more modest, with post-war single-family homes and small apartment buildings set away from the industrial corridors. In ZIP code 91733, we often see original deadbolts and knob sets that have been in service for decades, along with locks left over from previous tenants or owners. Replacing them gives you fresh keys and hardware you can trust. Neighborhoods near the south edge of Whittier Narrows, close to Whittier Narrows Recreation Area and Legg Lake, include homes where garage and side-door locks also deserve a look.

We work throughout the city, from Rosemead Blvd and Durfee Ave to Peck Rd and Rush St, and along the Interstate 10 corridor. If you are near the San Gabriel River and Whittier Narrows Dam or in one of the industrial parks, 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 South El Monte locksmith services

See all of our South El Monte services, or our citywide lock replacement page.

Lock Replacement in South El Monte — FAQs

What is the difference between lock replacement and rekeying?
Rekeying changes the pins inside your existing lock so old keys no longer work, while keeping the hardware. Replacement installs new hardware. If your lock is worn, broken or low-quality, replacement is usually better. Call (323) 997-8867 and we can help you decide.
Do you offer lock replacement at night in South El Monte?
Yes. We are available 24/7 and fully mobile, so we can come to your home or business at any hour. Call (323) 997-8867 any time.
Can you replace locks on a warehouse or factory?
Yes. We work on commercial cylinders, man-door locks, padlock-and-hasp setups and roll-up door locks, which are common at South El Monte industrial sites near Rush Street and Santa Anita Ave.
Can I have all my locks keyed alike?
In most cases, yes. We can install new locks keyed alike so one key opens your front door, back door and other entries. For businesses, we can also talk about master-key arrangements.
How do I know whether my lock needs replacing?
Common signs include keys that stick or turn roughly, a loose or wobbly deadbolt, visible damage from a break-in attempt, rust or corrosion, or a lock that is simply very old. We will inspect it and tell you honestly whether replacement is worthwhile.
How is the price of lock replacement determined?
Price depends on the type and grade of lock, how many you need, the condition of the door and frame, and whether the call is after hours. We do not quote numbers on this page, but we explain the factors when you call (323) 997-8867.
Do you have a shop I can visit?
No. We are a fully mobile locksmith with no storefront. A technician comes to your South El Monte address with the hardware needed to complete the job.
Can you replace a padlock on a yard gate or roll-up door?
Yes. We can install heavy-duty or shielded padlocks and replace roll-up door locks. These are a practical upgrade for yards and small factories, and we can help you choose the right style.
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