Open 24/7 · Greater Los Angeles & Ventura County

(323) 997-8867
Crenshaw Lock

Lock Replacement in Glendora · 24/7 mobile

Lock Replacement in Glendora, California

Crenshaw Lock Company provides 24/7 mobile lock replacement in Glendora, California. We come to your home, storefront or office and swap worn, damaged or outdated locks for new hardware matched to your door. Call (323) 997-8867 to talk through your situation and get started.

  • Mobile to your Glendora location
  • Available 24/7
  • Price quoted before we start
Call (323) 997-8867or tap to call — we answer 24/7
New matte black lock set beside an old worn brass lock
Open now(323) 997-8867

Locks don't last forever. Springs weaken, finishes wear through, keys get copied too many times, and a cylinder that once turned smoothly starts to bind on cold mornings. In Glendora, where homes range from custom foothill properties to post-war tract houses and historic downtown buildings, the right replacement depends heavily on the door in front of us. A lock that suits a 1950s ranch house in south Glendora is not necessarily right for a hillside home with multipoint patio doors.

Lock replacement is different from rekeying. Rekeying changes the internal pins so old keys stop working while the hardware stays. Replacement means taking the old lock off and installing a new one, which makes sense when the hardware is damaged, broken into, outdated, loose, or simply no longer matches the security level or look you want. Sometimes a customer calls expecting a full replacement and we find a rekey is all that is needed, and we will tell you so honestly.

Crenshaw Lock Company has served Greater Los Angeles and Ventura County since 1987, led by owner and lead technician David Shar. We are fully mobile, so there is no shop to visit. We work at your door, with the hardware and tools needed to finish the job there, any hour of the day or night.

How it works in Glendora

  1. 1

    Tell us what is happening

    Call (323) 997-8867 and describe the door, the lock you have now, and why you want it replaced. A break-in, a stuck cylinder, a lost key, a move-in, or simply tired hardware each point toward a slightly different solution.

  2. 2

    We come to you

    We are 24/7 and fully mobile, so we travel to your Glendora address with a range of hardware. Whether the job is in the Village, on a hillside drive, or on a tract street, the work happens on site.

  3. 3

    Inspect the door and existing hardware

    Before removing anything, we look at the door, strike plate, frame, and the lock itself. A loose, splintered or poorly aligned door can undermine even a great lock, so we check those details and explain what we find.

  4. 4

    Choose the right replacement

    We go over options such as deadbolts, knob and lever sets, smart-ready hardware, higher-end finishes, or multipoint systems. We match grade, finish, and keying to how you actually use the door.

  5. 5

    Install, align and test

    We remove the old lock, fit the new hardware, reinforce the strike area where appropriate, and confirm the bolt throws smoothly. We test every key and the latch repeatedly before we leave.

  6. 6

    Hand over keys and advice

    You receive working keys and a clear explanation of what was done. If other doors on the property have similar wear, we point that out without pressure.

Need lock replacement in Glendora?

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

Call (323) 997-8867

What affects the price

  • The type and grade of lock chosen, from basic residential hardware to high-security or designer finishes
  • The number of doors or locks being replaced in one visit
  • Door and frame condition, since repairs or reinforcement may be needed for a proper fit
  • Specialty hardware such as multipoint patio systems, mortise locks, or commercial storefront cylinders
  • Whether you need matched keying across several locks, or restricted keys for added control
  • The time of day and how urgent the request is, since we operate around the clock

Why Glendora chooses us

  • Fully mobile service: we bring the work to your door rather than asking you to visit a shop
  • In business since 1987, with owner David Shar leading the work
  • Familiarity with the range of Glendora properties, from foothill custom homes to historic downtown storefronts
  • Honest recommendations, including telling you when a rekey or repair will do instead of a full replacement
  • 24/7 availability for urgent situations like break-ins or damaged locks
  • We test every lock and key before leaving rather than assuming it works

Lock Replacement across Glendora

Glendora is a city with distinct personalities, and locks reflect that. In North Glendora, the foothill estates and custom hillside homes often feature higher-end hardware from makers like Baldwin and Emtek, along with multipoint patio doors and gated or long private drives. Replacing or upgrading those locks usually means matching finish and style carefully, and the door sets can be heavier and more complex than a standard tract-home deadbolt. Homes near Big Dalton Canyon and the foothill trailheads also deal with Santa Ana wind season, which can leave locks gritty and worn, sometimes pushing a rekey into a full replacement.

In Glendora Village, the historic early-1900s buildings and boutique storefronts bring their own challenges. Older doors and frames may not suit modern off-the-shelf hardware, and a business owner needs the work done cleanly without lengthy downtime. If a cylinder fails or a lockout damages a lock near the downtown core, we can replace it on site. Residents in ZIP code 91740 and 91741 will also find many post-war single-family homes in south Glendora, where original knobs and deadbolts are often decades old and ready for an upgrade.

Whether you live near Citrus College, along Grand Ave, Glendora Ave, or Lone Hill Ave, or just off the Foothill Freeway (Interstate 210) and historic Route 66, we serve the city around the clock. 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 Glendora locksmith services

See all of our Glendora services, or our citywide lock replacement page.

Lock Replacement in Glendora — FAQs

What is the difference between lock replacement and rekeying in Glendora?
Rekeying changes the internal pins so old keys no longer work, keeping the same lock body. Replacement installs entirely new hardware. We recommend replacement when locks are damaged, worn, loose, or no longer match your security or style needs. Call (323) 997-8867 and we will help you decide.
Do you offer lock replacement at night or on weekends?
Yes. Crenshaw Lock Company is available 24/7 and fully mobile, so we can come to your Glendora home or business whenever you need us, including after a break-in or when a lock suddenly fails.
Can you replace high-end locks on North Glendora hillside homes?
Yes. Many North Glendora homes have higher-end hardware and multipoint patio doors. We can service or replace those systems on site, including homes behind gates or at the end of long private drives. Let us know access details when you call (323) 997-8867.
Can you replace a lock at a Glendora Village storefront?
Yes. We replace cylinders and storefront hardware on site for boutique and historic downtown businesses. Older doors may need hardware chosen with care, and we will inspect the door before recommending anything.
How much does lock replacement cost?
It depends on the lock type and grade, how many doors are involved, the condition of the door and frame, any specialty hardware, and the time of day. We do not quote numbers on this page, but we will explain your options clearly before starting work.
Will my old keys work with the new lock?
Usually the new lock comes with new keys, and old keys will not work. If you prefer, we can discuss keying several locks alike so one key operates multiple doors.
My locks feel gritty after wind season. Do I need replacement?
Not always. Dust and grit from foothill wind can sometimes be cleaned or addressed with a rekey or service. If the hardware is worn or damaged, replacement makes more sense. We will tell you honestly which applies.
Do I need to come to a shop for new locks?
No. We are mobile only, with no storefront to visit. We bring hardware to your door and install it on site. 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