Open 24/7 · Greater Los Angeles & Ventura County

(323) 997-8867
Crenshaw Lock

Mailbox Lock Replacement in Pasadena · 24/7 mobile

Mailbox Lock Replacement in Pasadena, California

Crenshaw Lock Company provides mobile mailbox lock replacement and rekeying in Pasadena, California, available 24/7. We come to your home, apartment court or building and replace or rekey residential, cluster and community mailbox locks. Call (323) 997-8867 to describe your mailbox and get started.

  • Mobile to your Pasadena 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 the key is lost, the cylinder jams, or a tenant moves out and you realize a former resident still holds a working key. In Pasadena, where mail still matters for everything from property tax notices to medical paperwork, a mailbox that will not lock, or will not open, is more than an annoyance. It is a privacy and identity-theft risk that is usually cheap to fix.

Crenshaw Lock Company has served Greater Los Angeles and Ventura County since 1987, and owner and lead tech David Shar's team works entirely mobile. There is no storefront to visit. We bring the tools and parts to your door, whether that is a wall-mounted box on a Craftsman porch, a row of tenant boxes in a mid-century courtyard building, or a cluster unit serving a small community.

We replace and rekey. Sometimes a worn cylinder simply needs a new one that takes a fresh key. Other times the lock, cam or latch is damaged enough that replacement is the honest answer. We will tell you which applies before we do the work, and we will be clear about what is and is not within your control. Note that USPS-owned parts and keys are handled by the Postal Service, so we will help you sort out which situation you have.

How it works in Pasadena

  1. 1

    Tell us what kind of mailbox you have

    When you call (323) 997-8867, describe the box: a private wall or post mount, an apartment bank of tenant boxes, or a cluster or community unit. Photos of the lock face and any brand markings help us bring the right cylinders and cams.

  2. 2

    Confirm who is responsible for the box

    Private boxes at a house are usually yours to service. Some cluster and community units are owned or controlled by the Postal Service or an association. We help you work out who has authority so we only work on what you or your property are entitled to service.

  3. 3

    Inspect the lock and the housing

    We check whether the cylinder is worn, the cam is bent, the door is misaligned, or the box has been pried. This tells us whether a rekey is enough or a full lock replacement makes more sense.

  4. 4

    Replace or rekey the lock

    We remove the old cylinder, fit a replacement or rekey it to a new key, and set the cam so the door latches cleanly. For multi-box setups, we can organize keys so each tenant's lock stays separate.

  5. 5

    Test and hand over keys

    We test the lock repeatedly with the new keys, confirm the old keys no longer work, and make sure the door closes and opens smoothly. You leave with working keys and a box that actually secures your mail.

Need mailbox lock replacement in Pasadena?

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

Call (323) 997-8867

What affects the price

  • Whether the lock can be rekeyed or needs to be replaced entirely because of wear, rust or damage.
  • The type of box: a single private mailbox, a bank of tenant boxes, or a cluster unit with several doors.
  • How many locks are being done in one visit, since multiple units at one building are handled together.
  • Whether the box has been forced open and the door, latch or housing needs additional repair.
  • Whether the lock is a common style or a specialty or older model that takes a harder-to-find cylinder.
  • The time of day, since after-hours and weekend calls differ from scheduled daytime visits.

Why Pasadena chooses us

  • Fully mobile service, so we work at the box itself and there is no shop run or drop-off.
  • Operating since 1987, with experience across older mailboxes, modern cluster units and everything between.
  • We are upfront about what a lock replacement can and cannot do when the Postal Service controls the box or its keys.
  • We can rekey several tenant boxes in one visit, which is useful for landlords after turnover.
  • Available 24/7, so a pried or jammed mailbox does not have to wait for business hours.
  • We pay attention to older homes, matching the look of period mailboxes rather than forcing in mismatched hardware.

Mailbox Lock Replacement across Pasadena

Pasadena's housing makes mailbox work more varied than you might expect. In Bungalow Heaven, many Craftsman homes have porch-mounted or wall-mounted mailboxes that suit the period look, and owners there tend to care about keeping original character. In Madison Heights and Garfield Heights, larger older homes and small multi-unit buildings often have long-used boxes that have simply worn out over decades. In 91104 and 91106, a lost key after a sale or a tenant move is a common reason for a call.

Apartment courts and small multi-unit buildings near Lake Avenue, Caltech and PCC see steady turnover, and that is where rekeying matters most. A student or tenant moves on, and the landlord wants the old key to stop working without replacing the entire bank of boxes. We can rekey or replace individual locks so each unit stays secure. Around Hastings Ranch, single-family homes with curbside or wall boxes usually need a simpler cylinder swap.

We travel Pasadena by I-210, SR-134 and the Arroyo Seco Parkway, and reach areas from Old Pasadena and the Playhouse District to the neighborhoods near the Rose Bowl, Huntington Hospital and the Norton Simon Museum, including ZIP codes 91101, 91103, 91105 and 91107. Wherever your mailbox is, 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 Pasadena locksmith services

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

Mailbox Lock Replacement in Pasadena — FAQs

Can you rekey a mailbox lock instead of replacing it?
Often yes. If the cylinder is in decent shape, rekeying it to a new key is usually the simpler fix. If it is worn, corroded or damaged, replacement is more reliable. Call (323) 997-8867 and we will tell you which fits your box.
Do you handle cluster and community mailboxes in Pasadena?
We can work on them where you or your association have authority to service the locks. Some units are controlled by the Postal Service, so we help you determine who is responsible first.
I lost my mailbox key. What should I do?
If it is a private box at your home, we can open it as needed and replace or rekey the lock so a new key works. Call (323) 997-8867 and we will walk through the steps.
Can you do several tenant mailboxes at once?
Yes. For landlords and property managers in apartment courts near Lake Avenue or PCC, we can rekey or replace multiple locks in one visit, keeping each unit's key separate.
Will a new lock stop a former tenant from opening the box?
Yes. Once the lock is replaced or rekeyed, old keys no longer work. This is a common reason for service after a move-out or a home sale.
Is mailbox lock replacement available at night?
We are 24/7 and fully mobile, so you can call any time. After a break-in or pried box, you can call (323) 997-8867 right away.
My mailbox door was pried open. Can it be fixed?
Often, yes. We look at the door, latch and housing. If the lock is the only damage, we can replace it. If the box itself is bent beyond repair, we will say so honestly.
Do you have a shop I can visit in Pasadena?
No. We are mobile only, with no storefront. We come to your home or building with the parts and tools needed for the job.
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