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(323) 997-8867
Crenshaw Lock

Mailbox Lock Replacement in Westmont · 24/7 mobile

Mailbox Lock Replacement in Westmont, California

Crenshaw Lock Company provides mobile mailbox lock replacement and rekeying in Westmont, California, available 24/7. We come to your home, duplex or apartment building and service residential, cluster and community mailbox locks on site. Call (323) 997-8867 to talk through your mailbox situation.

  • Mobile to your Westmont location
  • Available 24/7
  • Price quoted before we start
Call (323) 997-8867or tap to call — we answer 24/7
Cluster mailboxes with a key in one mailbox lock
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A mailbox lock is easy to ignore until it fails. The key snaps, the cylinder spins without catching, the door will not latch, or a former tenant still has a copy and you are not sure who else does. In Westmont, where so many households live in older bungalows, duplexes and small apartment buildings, mail theft and worn hardware are real concerns, and a lock that no longer protects your mail is worth fixing quickly.

Crenshaw Lock Company has served Greater Los Angeles and Ventura County since 1987, and owner and lead technician David Shar built the business on mobile service. We have no storefront for you to visit. We travel to the mailbox, whether it is mounted beside a front door on a 1940s stucco home, bolted to a post at the curb, or part of a cluster unit serving several units in a small complex.

Our work covers replacing a damaged or worn lock, rekeying so old keys stop working, and replacing keys when they are lost. Some mailboxes, particularly postal-controlled units and arrow-lock cluster boxes, are handled by the Postal Service rather than by a locksmith. We will tell you honestly which situation you are in so you do not pay for work that is not yours to authorize.

How it works in Westmont

  1. 1

    Tell us about the mailbox

    When you call (323) 997-8867, we ask what kind of box it is: a wall-mounted or post-mounted residential box, a cluster unit for a duplex or apartment building, or a community box. We also ask what is wrong, such as a lost key, a jammed cylinder, a broken door or a rekey after tenant turnover.

  2. 2

    Confirm who controls the lock

    Some boxes are owner-controlled and some are managed by the Postal Service. On arrival we look at the unit and confirm what we can service. If the lock belongs to the USPS, we point you to the right process instead of working on something we should not touch.

  3. 3

    Inspect the lock and housing

    We check the cylinder, the latch, the door alignment and the condition of the housing. Older boxes on Westmont bungalows are often rusted or bent, and sometimes the lock is fine but the door or mounting is what is failing.

  4. 4

    Replace or rekey on site

    Where the cylinder is sound, we can rekey it so previous keys no longer work. Where it is worn, corroded or damaged, we replace it with a suitable lock. We bring tools and common parts in the vehicle, so most work is done at your address.

  5. 5

    Test and hand over keys

    We cycle the lock several times with the new keys, make sure the door closes and latches properly, and hand over the keys. For multi-unit properties, we can discuss how many keys each unit needs and how to track them.

Need mailbox lock replacement in Westmont?

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 mailbox: a standard residential box, a cluster unit or a community box each involve different hardware and effort.
  • Whether the lock can be rekeyed or has to be fully replaced because of wear, corrosion or damage.
  • The number of locks involved, such as one box versus several units in a duplex or small apartment building.
  • Whether the door, hinge or housing also needs repair for the new lock to work properly.
  • Whether the work is routine daytime service or an after-hours call, since we are available 24/7.
  • Whether the lock is owner-serviceable or controlled by the Postal Service, which determines what work we can do.

Why Westmont chooses us

  • Fully mobile service: we come to the mailbox, so there is no shop trip and no storefront to find.
  • Operating since 1987, with owner David Shar leading the technical work.
  • Honest about limits: we tell you when a lock is Postal Service property and not ours to change.
  • Familiar with older Westmont housing, where worn hardware, rusted housings and shared mailboxes are common.
  • Able to handle related work in the same visit, such as rekeying front door locks after tenant turnover.
  • Available 24/7, so a broken or compromised mailbox does not have to wait for business hours.

Mailbox Lock Replacement across Westmont

Westmont is mostly dense, older single-family housing from the 1920s through the 1950s, with small stucco homes and California bungalows on modest lots, plus duplexes and small apartment buildings. Many of those properties still have original or long-worn mailbox hardware. Along the Western Avenue corridor and the Vermont Avenue corridor, we see a mix of homes, small multi-unit buildings and commercial strips, and each calls for a slightly different approach to mailbox security.

Rental turnover is one of the most common reasons for a call. When a tenant leaves a duplex or small apartment unit near Vermont Knolls or West Athens, rekeying the mailbox along with the door locks is a simple way to make sure former occupants no longer have access. In the 90047 and 90044 ZIP codes, we can service individual boxes or several units at the same property in one visit.

Whether you are near Jesse Owens Community Regional Park, close to Washington Preparatory High School, or off Imperial Highway, Manchester Avenue or Florence Avenue, we come to you at any hour. Call (323) 997-8867 and we will help figure out whether you need a rekey, a new lock or a different fix altogether.

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 Westmont locksmith services

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

Mailbox Lock Replacement in Westmont — FAQs

Do you really come to my home in Westmont?
Yes. Crenshaw Lock Company is fully mobile with no storefront. We travel to your mailbox, and you can reach us 24/7 at (323) 997-8867.
Can you rekey a mailbox so my old keys stop working?
In many cases, yes. If the cylinder is in good shape, rekeying makes previous keys useless. If it is worn or damaged, we will recommend replacing it.
What if I lost my mailbox key?
We can replace the lock or rekey it and provide new keys. If your box is a Postal Service-controlled unit, we will explain what to do instead. Call (323) 997-8867 to describe your box.
Do you handle cluster mailboxes at duplexes and small apartment buildings?
Yes, for owner-serviceable units. Westmont has many duplexes and small apartment buildings, and we can rekey or replace locks for multiple units in one visit.
Can you work on mailboxes controlled by the Postal Service?
No. Some cluster and community boxes are controlled by USPS, and we will not tamper with those. We will help you identify who to contact.
Should I rekey the mailbox after a tenant moves out?
It is a good idea. Rekeying the mailbox along with the door locks means former tenants no longer have access to the new occupant's mail.
How is the price determined?
It depends on the type of box, whether the lock can be rekeyed or must be replaced, how many locks are involved, and whether the door or housing needs repair. We can talk through these when you call.
Do you offer after-hours service?
Yes. We are available 24/7, including nights, weekends and holidays. Call (323) 997-8867 any time.
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