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Crenshaw Lock

Door Closer Repair in Chatsworth · 24/7 mobile

Door Closer Repair in Chatsworth, CA

Crenshaw Lock Company provides mobile door closer repair, adjustment and replacement for commercial doors in Chatsworth, California. We are available 24/7 and come to your building. If a door slams, drifts open or won't latch, call (323) 997-8867 and we will help you sort it out.

  • Mobile to your Chatsworth 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 a door that should pull itself shut and latch stays ajar, or it slams hard enough to rattle the frame. In a business, that is a security gap and a safety and accessibility concern. A door that doesn't latch can't hold a lock, and a door that swings too fast can injure someone or damage the jamb.

Crenshaw Lock Company has served Greater Los Angeles and Ventura County since 1987, and we are fully mobile. There is no storefront to visit. We bring tools and common closer hardware to your door in Chatsworth, whether it is a warehouse personnel door, an office suite entrance, a self-storage office or a shop front. Owner and lead tech David Shar built the company on practical, honest work, and closers are a good example: many that get replaced only needed adjustment.

Hydraulic closers wear in predictable ways. Fluid leaks, arms loosen, mounting screws strip out of aging frames, and seasonal temperature swings change how the fluid behaves. We diagnose first, then repair, adjust or replace based on what the door and the closer actually need.

How it works in Chatsworth

  1. 1

    Call and describe the door

    Call (323) 997-8867 any hour. Tell us the door type (steel, aluminum storefront, wood), whether it is interior or exterior, and what it is doing: slamming, not latching, drifting open or leaking oil. Photos of the closer help if you can send them.

  2. 2

    Inspect the closer, door and frame

    We come to your location and check the closer body for fluid leaks, the arm and brackets for looseness or bending, and the mounting points for stripped holes. We also check hinges, door weight, alignment and the latch, since a sagging door often gets blamed on the closer.

  3. 3

    Adjust sweep, latch and backcheck

    Many problems are solved with the valve adjustments. We set the closing sweep speed, the final latching speed, and backcheck where the closer has it, so the door closes smoothly and latches without a slam.

  4. 4

    Repair or replace when needed

    If the closer is leaking, cracked or can't hold settings, replacement is the honest answer. We match the existing mounting pattern where possible, choose a closer suited to the door's size and traffic, and re-secure or repair stripped mounting areas.

  5. 5

    Test and confirm

    We cycle the door repeatedly, confirm that it latches fully, and check that it opens with reasonable force for the people using it. We walk you through the settings so you know what was changed.

Need door closer repair in Chatsworth?

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

Call (323) 997-8867

What affects the price

  • Whether the job is an adjustment, a repair of arm or brackets, or a full closer replacement.
  • Closer grade and size, since a heavy exterior steel door needs a different unit than a light interior door.
  • Condition of the door and frame, including stripped mounting holes, sagging hinges or misalignment that must be fixed for the closer to work.
  • Number of doors on the visit, as multiple closers at one site can be handled together.
  • Time of service, since after-hours and emergency calls differ from scheduled daytime work.
  • Special mounting needs, such as parallel arm, top jamb or concealed installations on aluminum storefront frames.

Why Chatsworth chooses us

  • Fully mobile: we come to your Chatsworth building, so you are not hauling a door or hardware anywhere.
  • Diagnosis before replacement. We adjust or repair when that's sufficient rather than pushing a new unit.
  • Lock and closer knowledge together. A closer problem often shows up as a latch or deadbolt problem, and we can address both in one visit.
  • Available 24/7, which matters when a door that won't latch leaves a business unsecured overnight.
  • Serving the region since 1987, with owner and lead tech David Shar standing behind the work.

Door Closer Repair across Chatsworth

Chatsworth's commercial core is the industrial and business district around Canoga Avenue, Prairie Street and Lassen Street, with warehouses, light manufacturing, offices and self-storage facilities. Personnel doors on these buildings see constant use from forklifts, carts and deliveries, and the heavy steel doors often outwork their closers. Dust and heat in the northwest Valley are hard on seals and arms too. If you manage a building in ZIP 91311 or 91313, we can come out for one stubborn door or go through all the closers on the property.

We also work with businesses along Topanga Canyon Blvd, Devonshire St, Nordhoff St and Plummer St, where small shops, offices and service businesses depend on doors that close and latch every time. Near the Chatsworth Transportation Center, foot traffic and weather exposure can wear exterior closers faster than people expect.

Out toward the Indian Hills and Santa Susana Pass area, and the equestrian horsekeeping district, some properties have commercial-style doors on workshops, boarding facility offices or event spaces. Those doors face dust and temperature swings, and a closer that is properly adjusted can make a big difference. Wherever you are, call (323) 997-8867.

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 Chatsworth locksmith services

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

Door Closer Repair in Chatsworth — FAQs

Why does my door slam shut in my Chatsworth business?
Usually the sweep or latch speed valve is set too fast, or the closer is losing fluid. Adjusting the valves often fixes it. If the closer is leaking, replacement is the better fix. Call (323) 997-8867 and we can take a look.
My door won't latch all the way. Is it the closer?
Often, yes, but not always. The latch speed may be too slow, or the door may be misaligned or sagging on its hinges. We check the closer, hinges, strike and latch together.
Can a door closer be repaired, or does it need replacing?
Adjustment and loose mounting or arm problems can be repaired. Closers that leak hydraulic fluid or can't hold settings generally need replacement.
Do you offer emergency door closer service?
Yes. We are available 24/7 and mobile. If a door can't latch and your building is unsecured, call (323) 997-8867 and we will help you secure it.
Do you service warehouse and industrial doors?
Yes. We work on steel personnel doors, aluminum storefront doors and interior commercial doors in Chatsworth's industrial areas and elsewhere.
Can you replace several closers in one visit?
Yes. If your building has multiple doors with failing closers, we can inspect and service them in one visit, which is often more convenient.
Do you also handle the lock if the door has been damaged by slamming?
Yes. A slamming door can damage latches, strikes and frames. We can repair or replace the lock hardware and address the closer in the same visit.
Do I need to bring the door or closer to a shop?
No. We are fully mobile and have no storefront, so we come to your door in Chatsworth.
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