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Crenshaw Lock

Door Closer Repair in Mission Hills · 24/7 mobile

Door Closer Repair in Mission Hills, California

Crenshaw Lock Company provides mobile door closer repair, adjustment and replacement in Mission Hills, California, 24 hours a day, 7 days a week. We come to your commercial door, whether it slams, hangs open or leaks fluid. Call (323) 997-8867 to talk with a real locksmith.

  • Mobile to your Mission 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 stops doing its job. A door that slams can pinch fingers and rattle a whole office. One that drifts open will not latch, which leaves a business unsecured overnight. A closer that leaks hydraulic fluid stains floors and soon fails altogether. In Mission Hills these problems show up on the commercial frontage along Sepulveda Boulevard, in small professional suites, and in the medical offices clustered near Providence Holy Cross Medical Center.

Crenshaw Lock Company has served Greater Los Angeles and Ventura County since 1987, and owner and lead technician David Shar has handled commercial hardware of every age. We are fully mobile. There is no storefront to visit, so we bring tools and common closer parts to your door, whatever the hour. Many closer problems turn out to be simple adjustments to speed, latch or backcheck that restore smooth operation without buying anything new.

When a closer is worn out, cracked, bent at the arm or leaking, we replace it with a unit suited to the door's size, weight, traffic and use. We also check the things that make a closer look guilty when it is not: a sagging hinge, a sticking latch, a warped frame or a misaligned strike. Fixing the real cause keeps the repair from coming back in a few months.

How it works in Mission Hills

  1. 1

    Tell us what the door is doing

    Call (323) 997-8867 and describe the problem: slamming, not latching, closing too slowly, leaking fluid or a loose arm. Tell us the door type and whether it is an entry, an office or a stockroom door, and we will plan what to bring.

  2. 2

    Inspect the door, not just the closer

    On arrival we watch the door through several full cycles. We check hinges, the latch and strike, the frame, floor or threshold interference and any wind or HVAC pressure. A closer often gets blamed for trouble that starts elsewhere.

  3. 3

    Adjust before replacing

    Closers have separate valves for sweep speed, latch speed and sometimes backcheck. If the unit is sound, a careful adjustment often fixes it. We also tighten the arm, bracket and mounting screws that have worked loose.

  4. 4

    Replace when repair no longer makes sense

    If the closer leaks, will not hold adjustment, or has a cracked body or bent arm, we recommend a replacement sized for the door's width, weight and traffic. We explain the options before we install anything.

  5. 5

    Mount, align and fine-tune

    We mount the new closer with the right arm configuration for the door, such as regular, parallel or top jamb, then set the speeds so the door closes fully and latches without a slam.

  6. 6

    Final test and walkthrough

    We test the door several times, including the latch, and confirm it behaves properly with the lock engaged. We then show you the adjustment screws so you know what is safe to change later.

Need door closer repair in Mission 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 closer only needs adjustment and tightening or has to be replaced entirely
  • The size, weight and material of the door, and how many people use it each day, which determine the closer grade needed
  • Whether the door is an exterior, fire-rated or accessibility-related opening, which can limit your hardware choices
  • Other problems found during inspection, such as worn hinges, a misaligned strike or a warped frame
  • Whether you need several doors serviced in one visit, such as a suite of offices
  • The time of day or night of the visit, since we are available around the clock

Why Mission Hills chooses us

  • We are fully mobile and work at your door instead of asking you to bring hardware anywhere, since there is no storefront.
  • We have served the area since 1987 and know how closers behave on older commercial doors as well as newer ones.
  • We diagnose the whole door, including hinges, latch and frame, rather than swapping a closer that was not the real problem.
  • We try adjustment first when the unit is still sound, so you do not pay for a replacement you do not need.
  • Owner David Shar leads the work, so you deal with an experienced locksmith instead of a call center script.
  • Because we also handle rekeying and master-key setups, we can take care of a door's closer and its lock in the same visit.

Door Closer Repair across Mission Hills

Mission Hills has a mix of commercial settings that put real wear on door closers. Along the Sepulveda Boulevard corridor, small shops and service businesses open and close their doors all day, and the constant cycling wears out arms and seals. Near Providence Holy Cross Medical Center, professional and medical offices in the 91345 area need doors that close quietly, latch reliably and protect patient privacy. Brand Boulevard and San Fernando Mission Boulevard also bring in steady foot traffic, and ready access from CA-118 (Ronald Reagan Fwy) helps us reach businesses across the area.

The Historic Mission district around Mission San Fernando Rey de Espana and the Andres Pico Adobe has its own considerations. Older and historic-adjacent buildings often have doors that are not perfectly square, with frames that have settled over the decades. A closer on such a door needs careful setup so it neither fights the door nor damages old wood. We favor mounting that respects the building, and we will tell you plainly when a door's condition is the real issue.

Quieter residential areas like Dennis Park, with its historic tract homes, are mostly houses, but home offices, small practices and detached commercial-style doors sometimes need a closer too. Whether you are a business near the cemetery and the Mission or an office off Sepulveda, call (323) 997-8867 any hour, and we will come to you.

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Other Mission Hills locksmith services

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

Door Closer Repair in Mission Hills — FAQs

Why does my door closer slam the door in Mission Hills?
Usually the sweep or latch speed valve is set too fast, or the closer is wearing out. Many times a small adjustment fixes it. If it will not hold the setting, replacement is the better choice. Call (323) 997-8867 and we can help.
Can you repair a door closer that is leaking oil?
A leaking closer has lost hydraulic fluid, and the seals have failed. This is generally not a lasting repair, so we usually replace the unit. A leak also stains floors, so it is worth addressing soon.
My door will not latch. Is the closer the problem?
Possibly, but it can also be a misaligned strike, sagging hinges or a weak closing force. We check all of these so we fix the actual cause instead of replacing a good closer.
Do you offer door closer service at night or on weekends?
Yes. We are available 24/7 and fully mobile, so a door that will not close or secure can be handled outside business hours. Call (323) 997-8867.
Can you work on doors in older or historic-adjacent buildings near the Mission?
Yes. We take care with older doors and frames, choosing mounting that suits the door and avoiding unnecessary damage. If the door itself is the issue, we will tell you honestly.
Do you service medical and professional offices near Providence Holy Cross?
Yes. We handle closers for office and medical suites, and we can also rekey locks or set up simple master-key systems in the same visit if staff changes call for it.
How do I know what size closer my door needs?
It depends on the door's width, weight, location and traffic, and on any code requirements. We assess the opening and choose a suitable unit instead of guessing.
Is there a shop I can visit to buy a closer?
No. Crenshaw Lock Company is mobile only, with no storefront. We bring our work to your door anywhere in Mission Hills, and you can reach us at (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