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Crenshaw Lock

Door Closer Repair in North Hills · 24/7 mobile

Door Closer Repair in North Hills, California

Crenshaw Lock Company provides mobile door closer repair, adjustment and replacement for commercial doors in North Hills, California. We are available 24/7, and we come to your door with the tools and parts to work on site. Call (323) 997-8867 to describe the door and get started.

  • Mobile to your North Hills 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 enough to rattle the glass, hangs open so the latch never engages, or drifts shut so slowly that it will not catch at all. In a commercial building that is more than an annoyance. A door that will not latch is an unsecured door, and one that slams can pinch fingers, damage the frame and wear out the hardware around it.

Crenshaw Lock Company has served Greater Los Angeles and Ventura County since 1987, led by owner and lead technician David Shar. Our work in North Hills covers hydraulic door closers on the aluminum-storefront glass doors common along Nordhoff Street, Roscoe Boulevard and Sepulveda Boulevard, as well as office doors, stairwell doors and the entry doors on multifamily properties. We repair what can be repaired, adjust what only needs tuning, and replace what is worn out.

We are fully mobile. There is no storefront to visit, and nothing for you to drop off. We come to the building, look at how the door actually hangs and swings, and fix the cause rather than just the symptom. Often a closer that seems broken is really fighting a sagging door, a bent arm or a latch that is not lining up with the strike.

How it works in North Hills

  1. 1

    Tell us about the door

    Call (323) 997-8867 and describe what the door is doing: slamming, not latching, sticking partway, leaking fluid or hanging open. Tell us whether it is an aluminum-frame storefront door, a wood or hollow-metal door, or a stairwell door. That helps us bring suitable parts.

  2. 2

    Inspect the whole door, not just the closer

    We check the closer body, the arm and its mounting, the hinges, the door's alignment in the frame and the latch engagement. A sagging door or misaligned strike often makes a good closer look bad, so we find the true cause first.

  3. 3

    Adjust, repair or replace

    If the closer is sound, we tune the sweep speed, latch speed and backcheck where the model allows. If the arm, bracket or mounting is the issue, we correct it. A closer that leaks hydraulic fluid or has lost its control is replaced with a unit suited to the door's size and use.

  4. 4

    Confirm the latch and lock work together

    A closer is only useful if the door shuts and latches reliably. After the work we cycle the door repeatedly, confirming it closes fully, the latch catches and the lock hardware, such as an Adams Rite-style deadlatch on a storefront, engages cleanly.

  5. 5

    Walk through the result

    We show you or your site contact how the door now behaves and what to watch for, such as new slamming or a door that stops short, so small changes get caught before they turn into a service call.

Need door closer repair in North Hills?

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

Call (323) 997-8867

What affects the price

  • Whether the existing closer can be adjusted or repaired, or must be replaced outright
  • The size, weight and traffic level of the door, which determines the closer type needed
  • How many doors need attention in one visit, such as a row of storefront or stairwell doors
  • Related problems found during inspection, such as worn hinges, a sagging door or a misaligned strike
  • The mounting situation, including aluminum-frame storefront doors versus other door and frame types
  • The time of day or night you need service, since we are available around the clock

Why North Hills chooses us

  • Mobile only: we bring the work to your door, so there is no shop trip and no dropped-off hardware
  • Serving Greater Los Angeles and Ventura County since 1987, with the experience that comes from seeing many door and closer failures
  • We diagnose the door as a system, checking hinges, alignment and latch before blaming the closer
  • Familiarity with the aluminum-storefront hardware common on North Hills commercial strips, including Adams Rite-style deadlatches
  • We can handle the lock side of the door too, so a closer visit does not turn into a second appointment with another company
  • Available 24/7, which matters when a door that will not latch leaves a business unsecured overnight

Door Closer Repair across North Hills

North Hills is a mix of postwar residential neighborhoods and working commercial corridors, and the doors reflect that. Along Nordhoff Street, Roscoe Boulevard and Sepulveda Boulevard, many businesses use aluminum-frame glass storefront doors that depend on a properly set closer to latch every time. In ZIP code 91343, we also see closers on office entries, stairwells and common-area doors at multifamily buildings.

North Hills East is denser, with a lot of 1960s and 1970s garden-apartment and dingbat buildings. Heavy daily use and frequent tenant turnover are hard on gate and entry doors, and a closer that no longer pulls the door fully shut can quietly leave a building open. In North Hills West, the housing is mostly 1950s and 60s tract homes, but nearby institutional and commercial doors still depend on reliable closers.

We work throughout the area, including near the Sepulveda Basin Recreation Area, the VA Sepulveda Ambulatory Care Center and North Hills Community Park, and close to Devonshire Street and the I-405. Whatever the building, we come to you at any hour and fix the door on site. 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.

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Other North Hills locksmith services

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

Door Closer Repair in North Hills — FAQs

Why does my commercial door slam shut?
Usually the closing or latch speed is set too fast, or the closer is losing hydraulic control as it wears. Often it can be adjusted. If it is leaking or will not hold a setting, replacement is the better fix. Call (323) 997-8867 and we can sort out which applies.
My door won't latch unless I push it. Is the closer broken?
Not necessarily. The closer may be set too weak at the end of its swing, or the door may have sagged so the latch misses the strike. We check the closer, hinges and alignment together so we fix the real cause.
Can you repair a closer that is leaking oil?
A closer that is leaking hydraulic fluid has failed internally and generally needs replacement. We remove it, fit a suitable replacement and set the speeds on site.
Do you work on aluminum storefront doors in North Hills?
Yes. Aluminum-frame glass doors along Nordhoff, Roscoe and Sepulveda are common in the area, and we also work on their locks, including Adams Rite-style deadlatches, in the same visit when needed.
Can you service multiple doors in one visit?
Yes. Apartment properties and commercial buildings often have several doors with worn closers. We can inspect and address them together, which is usually more efficient than separate calls.
Are you available at night or on weekends?
Yes, we are available 24/7. A door that will not latch is a security problem, so you can call (323) 997-8867 at any hour.
Do I need to bring the door or closer to a shop?
No. We are fully mobile and have no storefront. We come to your building and do the work at the door.
How is the cost of door closer repair decided?
It depends on whether the closer can be adjusted, repaired or must be replaced, the door's size and traffic, how many doors are involved and any related issues like worn hinges. Call (323) 997-8867 and describe the door so we can talk through the factors.
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