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Crenshaw Lock

Door Closer Repair in Lomita · 24/7 mobile

Door Closer Repair in Lomita, California

Crenshaw Lock Company provides mobile door closer repair, adjustment and replacement in Lomita, California, available 24/7. We come to your commercial door, whether it slams, drifts open or leaks fluid. Call (323) 997-8867 and describe what the door is doing.

  • Mobile to your Lomita 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 on a customer, hangs open and defeats the latch, or drags so slowly that your lock never engages at the end of the day. In a small, busy city like Lomita, where shops, offices, clinics and apartment common doors sit close to the street, a misbehaving closer shows up quickly as a security gap, an accessibility complaint or a draft that wastes air conditioning.

Crenshaw Lock Company has served Greater Los Angeles and Ventura County since 1987, and door hardware like this is part of that work. We repair, adjust and replace hydraulic door closers on commercial doors. Many closer problems are not a dead unit at all. A door that slams may only need the sweep and latch speed valves turned. A door that will not latch may need the backcheck or the arm geometry corrected. We diagnose first, so you replace a closer only when it is truly finished.

We are fully mobile. There is no storefront to visit, because we bring the tools and common closer hardware to your location. Owner and lead technician David Shar built the business on straightforward diagnosis and honest recommendations, and that approach applies equally to a single glass-front office door or a row of suites along a corridor.

How it works in Lomita

  1. 1

    You call and describe the door

    Call (323) 997-8867 any hour. Tell us whether the door slams, closes too slowly, stops short of the latch, or has oil on the arm or floor. Mention the door type, such as aluminum storefront, hollow metal or wood, and whether it is an exterior or interior door.

  2. 2

    We inspect the whole door, not just the closer

    We check the closer body, arm, mounting screws, brackets and hinges. A sagging hinge or a warped, rubbing door often looks like a closer failure but is not, and fixing the wrong part wastes your money.

  3. 3

    Adjustment where it will solve the problem

    If the unit is sound, we adjust the sweep speed, latch speed and backcheck, and tighten or re-seat the mounting. Many doors recover with careful tuning, and the door closes smoothly and latches firmly again.

  4. 4

    Repair or replacement when the closer is worn

    Leaking fluid, a cracked body, a bent arm or a unit that cannot hold an adjustment means replacement. We match the closer to the door's size, weight, swing and traffic, and to whether the opening must meet accessibility needs.

  5. 5

    Test and confirm the lock still works

    After the work we cycle the door repeatedly, check that the latch and lock engage fully, and confirm the door opens with reasonable effort. A closer and a lock work together, so we check both.

Need door closer repair in Lomita?

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 only needs adjustment or needs full replacement, since labor and parts differ considerably.
  • The size, weight and exposure of the door, because heavier or exterior doors call for a more robust closer.
  • Door type and frame material, such as aluminum storefront versus hollow metal or wood, which affects mounting and brackets.
  • Hidden problems like worn hinges, a sagging door or damaged frame that must be corrected for the closer to work.
  • The number of doors being serviced during one visit, which can make a multi-door job more efficient.
  • Whether the visit is during normal hours or an after-hours emergency, such as a door that will not latch overnight.

Why Lomita chooses us

  • Diagnosis comes before replacement, so you do not pay for a new closer when an adjustment fixes the door.
  • We are a lock company first, so we check how the closer affects latching, strikes and security rather than treating it as a standalone part.
  • Fully mobile and available 24/7, which matters when a door cannot secure a business overnight.
  • Operating since 1987 under owner David Shar, with long experience across commercial and residential hardware.
  • We explain what failed and why in plain language, and we tell you when the problem is the hinges or frame instead.
  • One call can cover the closer plus related lock, rekey or latch issues on the same door.

Door Closer Repair across Lomita

Lomita is a compact city of roughly 1.9 square miles, and its commercial life is concentrated along a few streets. Businesses along the Lomita Boulevard and City Center area, and along the Narbonne Avenue corridor, tend to be small storefronts, offices and service businesses whose street-facing doors open and close all day. Constant use wears closers, and traffic and coastal air near Pacific Coast Hwy can shorten their life. If your door sits in ZIP code 90717, we can come to you.

The building mix matters too. Lomita has many 1960s to 1980s apartment buildings and condos, and their common doors, laundry rooms and entry vestibules rely on closers to keep the building secure. A door that stays ajar invites trouble, and a manager preparing for a tenant turnover on Lomita Blvd can have us fix the closer while handling any rekeying. Near Harbor Hills, shared and gate-adjacent doors face similar wear.

Because Lomita is a gateway to the Palos Verdes Peninsula, many people pass through on Western Ave, Narbonne Ave and Pacific Coast Hwy. Whether your business is near Lomita Park, the Lomita Railroad Museum or the edge of the Narbonne commercial strip, we come to you, since we have no storefront.

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 Lomita locksmith services

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

Door Closer Repair in Lomita — FAQs

Why does my door slam shut?
Usually the sweep or latch speed valve is set too fast, or the closer is too strong for the door. Adjustment often fixes it. If fluid is leaking, the unit may need replacing. Call (323) 997-8867 and we can sort out which it is.
My door will not latch at the end of its swing. What is wrong?
The latch speed may be too slow, the arm may be misaligned, or the door may be rubbing due to a sagging hinge. We check all of these, then confirm the lock engages. This is a common issue on busy Lomita Blvd storefronts.
Can a door closer be repaired, or must it be replaced?
Many can be adjusted or re-mounted. A closer that leaks oil, has a cracked body or will not hold its settings generally needs replacement. We inspect first and tell you which applies.
Do you come to businesses at night or on weekends?
Yes. We are 24/7 and fully mobile. If a door will not close or latch and you cannot secure your building, call (323) 997-8867.
Can you fix closers on apartment common doors?
Yes. We service entry, laundry-room and corridor doors in apartment complexes and condos, and can also rekey units or replace padlocks during the same visit.
Do you have a shop I can bring the closer to?
No. We are fully mobile only, with no storefront. We come to your door in Lomita with tools and common hardware.
Will a new closer affect accessibility?
It can. Closing speed and opening force matter for accessible doors, so we choose and adjust the closer with that in mind, and we recommend asking your property or code professional about specific requirements.
What should I tell you when I call?
Describe the door type, whether it is exterior or interior, and the symptom, such as slamming, drifting, leaking or not latching. Photos of the closer help if you can send them. Our number is (323) 997-8867.
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