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(323) 997-8867
Crenshaw Lock

Lock Repair in Duarte · 24/7 mobile

Lock Repair in Duarte, California

Crenshaw Lock Company provides 24/7 mobile lock repair in Duarte, California. We come to your home or office to fix sticking, jammed, loose or misaligned locks, deadbolts and latches, often without replacing hardware. Call (323) 997-8867 to describe the problem and get help.

  • Mobile to your Duarte 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 sticks, spins loosely, or only works if you lift the door and jiggle the key is telling you something. In Duarte, where so many homes were built in the 1950s and 1960s, that hardware has often been turned tens of thousands of times. Wear, paint buildup, settled framing and dried-out lubricant all show up as locks that are harder to use than they should be, and they tend to fail at the worst moment, usually when you are carrying groceries or heading out early.

Crenshaw Lock Company has served Greater Los Angeles and Ventura County since 1987, and owner and lead technician David Shar has seen nearly every way a residential lock can go wrong. We are fully mobile, so there is no shop to drive to. We bring tools and common parts to your door, diagnose what is actually failing, and repair what can be repaired. When something is worn past saving, we tell you plainly and explain the replacement options.

Repair is often the better first step. A deadbolt that will not fully extend may only need the strike plate adjusted. A key that sticks may need the cylinder cleaned and serviced. A loose handle may just need the mounting secured. Fixing the real cause costs less than swapping everything, and it keeps hardware you already like. If a lock is also a security concern, we will say so and walk you through the choices.

How it works in Duarte

  1. 1

    Tell us what the lock is doing

    Call (323) 997-8867 and describe the symptom: does the key stick, does the bolt drag, is the handle loose, or is the door not latching? Those details help us bring the right parts to your Duarte address, any hour of the day or night.

  2. 2

    Inspect the lock and the door

    Many lock problems are really door problems. We check the cylinder, latch, bolt and strike plate, and also how the door sits in its frame. In older tract homes, slight settling can pull a bolt out of line with its strike.

  3. 3

    Pinpoint the cause

    We separate wear inside the lock from alignment, loose screws, debris, or a bent part. We explain what we find in plain language so you understand why the lock was misbehaving.

  4. 4

    Repair, adjust or service

    Depending on the cause, we realign the strike, tighten or reset hardware, clean and lubricate the mechanism with a suitable product, replace a worn internal part, or re-pin a cylinder. We favor the least invasive fix that will hold up.

  5. 5

    Test it thoroughly

    We cycle the lock repeatedly with every key, with the door open and closed, to confirm smooth operation and a full bolt throw. Nothing is finished until the door locks and unlocks easily.

  6. 6

    Review options if replacement makes sense

    If a lock is too worn or damaged to repair reliably, we explain the alternatives, such as a new deadbolt or a rekey, and leave the decision to you.

Need lock repair in Duarte?

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 lock involved, since a standard deadbolt, a knob set, a mortise lock and a gate lock each take different work.
  • Whether the fix is an adjustment or requires replacement internal parts or new hardware.
  • The condition of the door and frame, because alignment or damage to the wood may need to be addressed alongside the lock.
  • The time of day and urgency, as after-hours and emergency calls differ from scheduled daytime visits.
  • The number of locks being serviced in one visit, such as front, back, side and garage doors together.
  • Your location within our service area and the access involved, for example hillside properties versus condo buildings.

Why Duarte chooses us

  • Fully mobile service, so we work at your door instead of asking you to bring hardware anywhere. There is no storefront.
  • Serving Greater Los Angeles and Ventura County since 1987, with owner David Shar leading the work.
  • A repair-first approach: we fix what can be fixed before suggesting a replacement.
  • Available 24/7, which matters when a jammed lock leaves a door that will not secure at night.
  • Plain explanations of what failed and why, so you can decide with real information.
  • Experience with older tract-home hardware as well as newer condo and custom-home locks.

Lock Repair across Duarte

Duarte's housing mix shapes the lock repair we do. In the Butler and Cotter areas, many single-story ranch and tract homes date from the 1950s and 1960s. Original or decades-old knobs and deadbolts are common there, and we regularly see worn cylinders, loose mounting and strike plates that no longer line up as the house has shifted. Often a careful repair on a front, back or garage door restores smooth operation, and for some owners it leads to a rekey so all doors work on one key.

Farther up toward Royal Oaks and the Fish Canyon area, custom foothill homes bring different needs: heavier doors, side gates, and sometimes exposure to dust and weather that gums up exterior hardware. After a break-in attempt, a damaged deadbolt or bent strike may look minor but weaken the door, so we inspect carefully and can advise on stronger hardware. Near the A Line, newer condos and apartments typically use more modern hardware, where the issue is often a failing latch or a sticking cylinder.

We serve homes and offices across ZIP codes 91010 and 91009, from Huntington Drive (Route 66) and Mountain Avenue to the streets near Encanto Park and the Duarte Recreational Trail along the San Gabriel River. Many people in the City of Hope area also rely on us for quick repairs when a lock fails around a busy work schedule. Whatever the address, call (323) 997-8867 and we will come to you.

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 Duarte locksmith services

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

Lock Repair in Duarte — FAQs

Can you repair a lock that sticks or is hard to turn in Duarte?
Usually, yes. Sticking is often caused by dirt, worn pins, or a misaligned bolt and strike. We diagnose which it is and fix it on site. Call (323) 997-8867 to describe the problem.
Is it better to repair or replace an old deadbolt?
If the lock is structurally sound, repair is often enough and costs less. If internal parts are badly worn or the lock has been damaged, replacement is the safer choice. We will tell you honestly which applies.
My deadbolt doesn't fully extend into the frame. What's wrong?
This is commonly a strike plate alignment issue caused by door or frame movement, which is typical in older homes. Adjusting or repositioning the strike frequently solves it without replacing the lock.
Do you offer lock repair at night or on weekends?
Yes. We are available 24/7 and fully mobile. If a lock fails after hours, call (323) 997-8867 and we will help you get the door working and secure.
Can you fix a lock after a break-in attempt?
Yes. We inspect the lock, door and frame for damage, repair or replace what is compromised, and can discuss stronger deadbolts or gate hardware, which is common for foothill homes toward Royal Oaks and Fish Canyon.
Do I need to bring the lock to a shop?
No. We are mobile only and have no storefront. We bring tools and common parts to your Duarte home or office and make the repair there.
Will repairing my lock change my keys?
Most repairs keep your existing keys working. If we recommend rekeying so old keys no longer work, we will explain it first and only do it with your approval.
How do I get a repair estimate?
Pricing depends on the lock type, the work needed, door condition and timing rather than a flat rate. Describe the issue when you call and we will explain what affects the cost before we start.
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