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Crenshaw Lock

Lock Repair in San Dimas · 24/7 mobile

Lock Repair in San Dimas, California

Crenshaw Lock Company provides 24/7 mobile lock repair in San Dimas, California. We come to your home, barn, gate or business to fix sticking, jammed, loose or misaligned locks, deadbolts and latches. Call (323) 997-8867 to describe the problem and get a technician headed your way.

  • Mobile to your San Dimas location
  • Available 24/7
  • Price quoted before we start
Call (323) 997-8867or tap to call — we answer 24/7
Disassembled door lock mechanism being repaired
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A lock that has started to stick is rarely a lock that is about to fix itself. The key gets harder to turn, the deadbolt needs a shoulder against the door to throw, or the latch only catches if you lift the handle just so. In San Dimas, where so many homes are ranch-style houses built in the 1960s and 70s, that kind of wear is common. Decades of daily use, seasonal door movement and a few coats of paint can leave hardware that still looks fine but no longer works the way it should.

Crenshaw Lock Company has been serving Greater Los Angeles and Ventura County since 1987, and owner and lead technician David Shar built the business on a simple idea: repair what can be repaired, and replace only what truly cannot be saved. Many sticking locks need cleaning, adjustment of the strike plate, tightening of a loose cylinder or a worn part swapped out, not an entirely new lockset. We are fully mobile, so we bring the tools and parts to you rather than asking you to haul a door or a lock anywhere. We do not operate a storefront.

Whether it is the front door of a house near Via Verde, a side door on a business along Bonita Ave, or a gate and padlock on a horse property out toward San Dimas Canyon, we start by working out why the lock is failing. A jammed deadbolt, a loose knob and a misaligned latch can look alike from the outside but have very different causes, and the right fix depends on getting that diagnosis correct.

How it works in San Dimas

  1. 1

    Call and describe the symptom

    Phone (323) 997-8867 any hour. Tell us what the lock is doing: does the key stick, does the bolt only extend halfway, is the handle loose, or does the door need to be pulled or lifted before it latches? Those details help us bring the right parts to your San Dimas address.

  2. 2

    On-site diagnosis

    We examine the lock, the door and the frame together. Many problems that seem to be the lock are really a door that has shifted, a strike plate that no longer lines up, or hinges that have sagged. Checking all three prevents repeat visits.

  3. 3

    Explain the options before work begins

    We tell you what we found and whether repair or replacement makes more sense. If a cleaning, realignment or small part will do the job, we say so. If the hardware is too worn or damaged to trust, we explain why.

  4. 4

    Repair, adjust or replace components

    Depending on the issue, we may lubricate and clean a cylinder, tighten mounting screws, reposition a strike plate, replace worn springs or latch parts, or install a new cylinder or lockset. Deadbolts, knobs, levers and padlocked gate hardware are all within scope.

  5. 5

    Test thoroughly with your keys

    We operate the repaired lock repeatedly, with the door open and closed, using every key you have. If the key was part of the problem, we check for worn cuts and can discuss a fresh copy so a damaged key does not wear the new parts.

  6. 6

    Leave it working and secure

    Before we go, we confirm the door closes and locks smoothly and that you are comfortable with how it feels. If something else nearby, such as a loose hinge, is worth attention, we mention it.

Need lock repair in San Dimas?

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

Call (323) 997-8867

What affects the price

  • The type of hardware: a standard residential deadbolt differs from a high-security cylinder, a gate lock or a commercial-grade latch in parts and labor.
  • Whether the fix is an adjustment or a part replacement: realigning a strike plate is a different job than replacing a worn cylinder or latch mechanism.
  • The condition of the door and frame: a sagging door, swollen wood or damaged jamb may need correction for the lock to work reliably.
  • The number of locks involved: fixing one front-door deadbolt is different from servicing several doors, a barn latch and a gate padlock on one property.
  • Time of day and urgency: after-hours and emergency calls are handled differently than scheduled daytime repair, even though we are available around the clock.
  • Whether a repair is still sensible: when hardware is too worn to trust, replacement may cost less over time than repeated repairs.

Why San Dimas chooses us

  • Fully mobile, so repair happens at your door, gate or barn instead of requiring you to remove hardware and bring it somewhere.
  • In business since 1987, with owner David Shar leading the work, which means decades of experience with older ranch-style hardware.
  • A repair-first approach: we try to save a good lock before recommending a new one.
  • We diagnose the door and frame as well as the lock, since misalignment is a frequent hidden cause of sticking.
  • Comfortable with rural-style setups like outbuilding doors, gated drives and padlocks, as well as standard house and small-business hardware.
  • Available 24/7, so a lock that fails at night does not have to leave your property unsecured until morning.

Lock Repair across San Dimas

San Dimas has a character all its own, and the hardware here reflects it. Much of the housing is ranch-style single-family homes from the 1960s and 70s, and doors and locks that have been in service that long often develop sticking latches, loose knobs and worn cylinders. Homes in the 91773 ZIP code along streets feeding off San Dimas Ave and Arrow Hwy frequently have original or early replacement hardware that is ready for attention, and sometimes a simple adjustment gets it working again.

In the southern hills, Via Verde is a planned community with HOA-standard hardware. New owners often call after a purchase wanting locks rekeyed, and while we are there, it is common to find a deadbolt that binds or a handle that has loosened. We can address both in the same visit. Out toward San Dimas Canyon and the larger lots near Frank G. Bonelli Regional Park, properties are more rural in feel, with horse-keeping, barns, outbuildings and gated drives. Padlocks and gate latches live outdoors there, so dust, moisture and constant use take a toll, and we repair or replace them on site.

Downtown, the western-facade buildings along Bonita Ave are home to small shops and civic spaces whose doors get heavy daily use. A sticking front-door lock at a business there is more than an annoyance, so we can come out whenever it happens. Whether you are near Puddingstone Reservoir, close to San Dimas Canyon Park, or just off the 210, the 57 or Foothill Blvd, call (323) 997-8867 and we will come to you.

Locked out or need a locksmith now?

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Other San Dimas locksmith services

See all of our San Dimas services, or our citywide lock repair page.

Lock Repair in San Dimas — FAQs

Can a sticking lock in San Dimas usually be repaired instead of replaced?
Often, yes. Many sticking locks need cleaning, a tightened screw, a realigned strike plate or a worn part replaced. We diagnose first and recommend replacement only when the hardware is too worn to rely on. Call (323) 997-8867 to describe what yours is doing.
Why does my deadbolt only work if I lift or push the door?
That usually points to misalignment between the bolt and the strike plate, often because the door has shifted or the hinges have sagged. It is common in older ranch-style homes. We can adjust the strike or correct the door so the bolt throws freely.
Do you repair barn, gate and padlock hardware?
Yes. Properties near San Dimas Canyon and Bonelli Park often have barns, outbuildings and gated drives. We service latches and padlocks on site, and can replace weather-worn hardware with something more suitable for outdoor use.
Is lock repair available at night or on weekends?
Yes, we are available 24/7 and fully mobile. If a lock fails and you cannot secure your home or business, call (323) 997-8867 at any hour.
My key is hard to turn. Is the lock or the key the problem?
It can be either. A worn key can damage a good cylinder, and a dirty or worn cylinder can make a good key stick. We test both, and if the key is worn we can discuss making a fresh copy.
Can you fix a loose door handle or knob?
Usually. Loose handles are often caused by backed-out screws or worn internal parts. We tighten or replace what is needed, and check that the latch still operates smoothly afterward.
Will you also rekey a lock after repairing it?
We can. Many Via Verde homeowners combine a rekey after purchase with repair of any binding hardware. Let us know when you call so we bring the right tools and parts.
Do you have a shop I can visit?
No. Crenshaw Lock Company is mobile only, with no storefront. We come to your San Dimas location, so there is nothing to carry in. Call (323) 997-8867 to get started.
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