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Crenshaw Lock

Door Closer Repair in La Puente · 24/7 mobile

Door Closer Repair in La Puente, California

Crenshaw Lock Company provides mobile door closer repair, adjustment and replacement for commercial doors in La Puente, California. We are available 24/7 and come to your business with tools and parts on board. Call (323) 997-8867 to describe the door and get help.

  • Mobile to your La Puente location
  • Available 24/7
  • Price quoted before we start
Call (323) 997-8867or tap to call — we answer 24/7
Hydraulic door closer mounted at the top of a commercial door
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A door closer is easy to ignore until it fails. Then the door slams hard, hangs open, drifts shut too slowly, or never latches. A door that does not latch is a security problem, and a door that slams can hurt people and damage the frame. For shop owners and property managers in La Puente, a failing closer is more than a nuisance. It affects whether your business is actually locked at night.

Crenshaw Lock Company has served Greater Los Angeles and Ventura County since 1987, under owner and lead technician David Shar. We are fully mobile. There is no storefront to visit, so we come to the door that needs attention. For door closers, that matters, because the problem is often a mix of the closer, the hinges, the frame and the latch, and it is best diagnosed with the door in front of us.

We repair, adjust and replace hydraulic closers on commercial doors. Sometimes a closer only needs its speed and latch settings tuned. Sometimes it is leaking fluid, has a bent arm, or is mounted on a door that has dropped out of square, and replacement is the honest answer. We tell you which situation you have before any work begins.

How it works in La Puente

  1. 1

    Tell us about the door

    Call (323) 997-8867 and describe what the door is doing: slamming, not latching, closing too slowly, or hanging open. Tell us whether it is an aluminum storefront door, a hollow metal back door, or a wood door. That helps us arrive with suitable parts.

  2. 2

    Inspect the whole door, not just the closer

    We check the closer body for leaking fluid, the arm and bracket for looseness or bending, the hinges for wear, and the frame for alignment. A closer is often blamed for a problem caused by a sagging door or a worn latch.

  3. 3

    Adjust before replacing

    Hydraulic closers have separate valves for sweep speed, latch speed and sometimes backcheck. If the unit is sound, we tune those settings and tighten the mounting hardware so the door closes smoothly and latches every time.

  4. 4

    Replace when repair will not hold

    If the closer is leaking, the internal seals have failed, or the unit is the wrong size for the door, we install a properly sized replacement. We match the mounting style to the door and frame, whether that is regular arm, parallel arm or top jamb.

  5. 5

    Test and confirm security

    We cycle the door repeatedly, confirm it closes fully from a wide-open position, and check that the lock engages. If the latch or strike needs attention too, we tell you before doing anything extra.

Need door closer repair in La Puente?

24/7 Mobile Locksmith across Greater Los Angeles & Ventura County. We answer 24/7.

Call (323) 997-8867

What affects the price

  • Whether the closer needs only adjustment and tightening or a full replacement unit.
  • The size and grade of the closer required, which depends on door width, weight and how heavily the door is used.
  • The door and frame type, since aluminum storefront, hollow metal and wood doors take different mounting hardware.
  • Related problems such as worn hinges, a misaligned frame or a damaged latch that must be fixed for the closer to work.
  • The time of day or night of the call, because we are available 24/7 and after-hours service is priced differently.
  • The number of doors being serviced at one location, which can make a visit more efficient.

Why La Puente chooses us

  • We are fully mobile, so the repair happens at your door with the problem right in front of us.
  • Operating since 1987, we have seen most of the ways commercial closers fail and wear out.
  • We look at hinges, frame and latch rather than assuming the closer is always the culprit.
  • We adjust a sound closer instead of selling a new one, and we explain when replacement is truly needed.
  • Because we are also locksmiths, we can fix a closer and the lock or cylinder on the same door in one visit.
  • We answer around the clock, which matters when a door will not latch and your business cannot be secured.

Door Closer Repair across La Puente

La Puente's commercial life runs along Valley Boulevard and Hacienda Boulevard, where aluminum-storefront retail and small strip malls fill block after block. Those storefront doors take constant use, and a closer that is set too fast or has started leaking can wear out a pivot or loosen the frame. We work with business owners in the 91744 ZIP code and across 91746 and 91747, from shops near the Donut Hole to retail spaces close to La Puente Park.

We also serve the neighboring communities that share La Puente's streets and customers, including Valinda and Bassett, as well as the Hudson and Sunset areas. Many businesses there are small and owner-run, so a door that will not latch at closing time is an immediate worry. A mobile visit means you do not have to leave the shop unattended to find help.

With I-10, SR-60, Valley Blvd, Hacienda Blvd and Amar Rd all close by, we can reach commercial doors across the area at any hour. Whether it is a retail front door, a rear service door in a strip mall, or an office entry, call (323) 997-8867 and we will talk through the problem and the next step.

Locked out or need a locksmith now?

24/7 Mobile Locksmith across Greater Los Angeles & Ventura County. We answer 24/7.

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Other La Puente locksmith services

See all of our La Puente services, or our citywide door closer repair page.

Door Closer Repair in La Puente — FAQs

What does a door closer actually do?
A hydraulic door closer uses fluid and a spring to pull the door shut at a controlled speed and help it latch. Without a working closer, doors can slam, stay open or fail to engage the lock.
Can you repair a closer that is leaking oil?
A closer that leaks fluid has failed seals and usually cannot be repaired reliably. We typically recommend replacement. Call (323) 997-8867 and we can help confirm what the unit needs.
My storefront door slams or closes too slowly. Is that fixable?
Often yes. Most closers have valves for sweep and latch speed, and adjusting them solves many complaints. If the unit does not respond to adjustment, it may be worn out or the wrong size.
Do you service aluminum storefront doors on Valley Boulevard?
Yes. We work on aluminum storefront doors as well as hollow metal and wood doors, and we match the closer and mounting style to the door.
Do you offer emergency service if my door will not latch at night?
Yes, we are available 24/7 and fully mobile. If your business cannot be secured, call (323) 997-8867 and tell us what the door is doing.
Can you fix the lock and the closer in the same visit?
In most cases, yes. We are locksmiths, so we can address the closer, latch, strike and cylinder together when they are all part of the problem.
Do I need a new closer or just an adjustment?
It depends on the unit's condition. If it is not leaking, is mounted solidly and is the right size, adjustment may be enough. We inspect first and tell you honestly.
Do you have a shop I can visit?
No. We are a mobile-only business, and we come to your location anywhere in La Puente and the surrounding area.
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