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Crenshaw Lock

Door Closer Repair in El Segundo · 24/7 mobile

Door Closer Repair in El Segundo, California

Crenshaw Lock Company provides mobile door closer repair, adjustment and replacement for commercial doors throughout El Segundo, California. We are available 24/7 and come to your building, so there is no shop visit. If a door slams, drifts open or won't latch, call (323) 997-8867.

  • Mobile to your El Segundo 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 shut and latch on its own swings wide, slams hard enough to rattle a frame, or stalls an inch short of the strike. In a commercial building that is more than an annoyance. A door that does not latch is an open door, and a closer that slams can damage the frame, the hardware and the people using the entrance.

El Segundo is an unusual mix of buildings. East of Sepulveda you find large corporate and aerospace campuses, along with the light-industrial and creative suites of Smoky Hollow. Along Main Street in Downtown El Segundo there are storefronts, restaurants and small offices with glass and aluminum doors that open and close all day. Each of these places puts different demands on a closer, from heavy fire-rated interior doors to exterior entrances exposed to coastal air.

Crenshaw Lock Company has served Greater Los Angeles and Ventura County since 1987, led by owner and lead tech David Shar. We are fully mobile. We bring the tools and a selection of hydraulic closers to your door, work out whether the closer needs adjusting, repair or replacement, and leave the door closing and latching the way it should. Because we are available around the clock, we can also work after hours when your staff and customers are gone.

How it works in El Segundo

  1. 1

    Tell us what the door is doing

    When you call (323) 997-8867, describe the symptoms. Does the door slam, close too slowly, hang open, or fail to latch? Is oil leaking from the body? Is it an exterior or interior door? That helps us arrive prepared.

  2. 2

    Inspect the door, frame and closer

    We check the closer body, arm, mounting screws and brackets, then look at the hinges, frame alignment, latch and strike. Many closer complaints start with a sagging door or a worn hinge, and replacing the closer alone will not fix that.

  3. 3

    Adjust the valves and settings

    A hydraulic closer has separate adjustments for sweep speed, latch speed and sometimes backcheck. If the unit is sound, a careful adjustment often restores smooth operation. We set it so the door closes fully without slamming.

  4. 4

    Repair or replace when needed

    If the closer is leaking fluid, has a cracked body, a bent arm or stripped mounting, we replace it with a unit matched to the door's size, weight, traffic and exterior or interior exposure. We also correct loose mounts and worn parts.

  5. 5

    Test the full cycle and check the latch

    We open and close the door repeatedly, confirm it latches positively, and check accessibility and any access-control hardware tied to the door, such as electric strikes or magnetic locks, so the repair does not create a new problem.

  6. 6

    Walk through what we found

    We explain what failed, what we changed and what to watch for. If other doors in the building show the same wear, we tell you plainly so you can plan maintenance rather than wait for the next failure.

Need door closer repair in El Segundo?

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 an adjustment, a repair of its mounting, or a full replacement.
  • The size, weight and type of door, since a heavy exterior or fire-rated door needs a closer rated for it.
  • The brand, grade and features of the replacement closer, such as backcheck, hold-open or delayed action.
  • The condition of the door, hinges, frame and latch, which may need correction for the closer to work properly.
  • How many doors need service in one visit, which can be more efficient for a multi-suite building or campus.
  • The time of day, since we serve 24/7 and after-hours or emergency calls are scheduled differently from routine daytime work.

Why El Segundo chooses us

  • We are fully mobile and come to your door, so you never have to remove hardware or take a door out of service to bring it anywhere.
  • We have served the Los Angeles area since 1987, which means long experience with the hydraulic closers found on offices, shops and industrial buildings.
  • We diagnose the whole door, not just the closer, so a sagging hinge or misaligned strike gets addressed rather than ignored.
  • Because we also handle locks, master-key systems and access control, we understand how a closer interacts with electric strikes, maglocks and exit devices.
  • We work after hours and around the clock, which suits offices and campuses that cannot disrupt daytime operations.
  • We explain what failed in plain language and tell you honestly when an adjustment is enough and a new closer is not needed.

Door Closer Repair across El Segundo

El Segundo splits in two along Sepulveda. East of it, corporate and aerospace campuses, the Smoky Hollow light-industrial and creative district, and industrial perimeters near the Chevron refinery have lots of commercial doors with closers working hard every day. In Smoky Hollow, a multi-suite building may have a mix of old steel entries and newer glass doors, each needing a differently sized closer. We service the 90245 ZIP code, including offices near Aviation Blvd, Rosecrans Ave and Imperial Hwy.

Downtown El Segundo and Main Street have a different feel: storefronts, restaurants and small offices whose entry doors open hundreds of times a day. Constant use wears down closer arms and valves, and salt air from the coast can speed corrosion on exterior hardware. Business owners near Old Town Music Hall or the Main Street shops often call when a door starts to slam or stop latching during business hours, and we can schedule around your opening and closing times.

The West Side residential grid is mostly 1920s to 1940s bungalows, but multi-unit and commercial doors still turn up there, along with side entrances and shared hallways. For campuses and offices near the Los Angeles Air Force Base, the Mattel headquarters or The Point, we can handle after-hours visits that keep sensitive or busy buildings running. Because we are fully mobile, we reach you from I-105, Sepulveda or El Segundo Blvd without any storefront to visit.

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Other El Segundo locksmith services

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

Door Closer Repair in El Segundo — FAQs

What does a door closer do and why does it fail?
A hydraulic door closer uses fluid and a spring to pull a door shut at a controlled speed. Over time seals wear, fluid leaks, arms loosen and temperature swings change its behavior, so the door slams, drifts or stops latching.
Can you adjust a closer instead of replacing it?
Often yes. If the body is not leaking and the arm and mounting are sound, adjusting the sweep and latch valves can restore proper operation. We replace it only when repair will not hold. Call (323) 997-8867 to describe the problem.
Why does my door slam or not latch?
Usually the closer's speed settings are off, the closer has lost fluid, or the door has sagged so the latch misses the strike. We check all three, because fixing only the closer will not help if the hinges or frame are the cause.
Do you service doors with access control or electric strikes?
Yes. A closer must work with the strike, magnetic lock or exit device on the door. We test the full cycle so the door closes and secures reliably, and we can address the access hardware at the same visit.
Can you work after hours at a Smoky Hollow or campus building?
Yes. We are 24/7 and fully mobile, so we can schedule work when your staff has left. Call (323) 997-8867 and we will arrange a time that fits your building.
How do I know what size closer my door needs?
Closers are sized by door width, weight and exposure, and whether the door is interior or exterior. We measure and assess the door and match a unit to it, which is why guessing from a hardware store shelf often fails.
Does coastal air affect door closers in El Segundo?
It can. Salt-laden air speeds corrosion on exterior hardware, including closer arms, screws and brackets, so exterior closers may need attention sooner than interior ones. We check for corrosion during inspection.
Do I have to bring anything to a shop?
No. We are mobile only and there is no storefront to visit. We come to your door in El Segundo with tools and replacement closers, and complete the work on site.
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