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(323) 997-8867
Crenshaw Lock

Mailbox Lock Replacement in City of Industry · 24/7 mobile

Mailbox Lock Replacement in City of Industry, CA

Crenshaw Lock Company provides mobile mailbox lock replacement and rekeying in City of Industry, California, available 24/7. We come to your warehouse, office park or business address and swap or rekey the lock on site. Call (323) 997-8867 to talk through your mailbox situation with a real locksmith.

  • Mobile to your City of Industry 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
Open now(323) 997-8867

City of Industry is not a typical mailbox town. With only a few hundred residents and a landscape of warehouses, distribution centers, cold-storage buildings, import/export operations and flex office units, the mailboxes here look different from those in a neighborhood of single-family homes. You are more likely dealing with a wall-mounted tenant mailbox bank in an office building, a keyed business mail slot, a cluster unit serving a multi-tenant flex complex, or a lockable box at a gate house than a curbside box on a residential street.

When a mailbox lock fails, goes missing with a departed employee, or needs to be changed after a tenant turnover, mail security matters. Business mail often includes checks, tax notices, vendor statements, customs paperwork and account correspondence. A lock that has been shared among too many people, or a key that left with someone who no longer works for you, is a real exposure. Replacing or rekeying the lock is a small job that closes a large gap.

Crenshaw Lock Company has served Greater Los Angeles and Ventura County since 1987, and owner and lead technician David Shar built the business as fully mobile. There is no storefront to visit. We bring the tools and cylinder stock to you, whether you are off Valley Blvd, near Azusa Ave, or tucked into a complex close to the SR-60. We can also coordinate mailbox work with the rest of your building hardware, such as office deadbolts, dock-door padlocks and master-key systems, so you handle it all in one visit.

How it works in City of Industry

  1. 1

    Call and describe the mailbox

    Call (323) 997-8867 any time. Tell us what kind of mailbox you have: a single wall box, a tenant bank in an office building, a cluster unit, or a gate-side box. Let us know whether the key is lost, the lock is jammed, or you simply want the locks changed after a staffing or tenant change.

  2. 2

    We come to your location

    We are fully mobile, so a technician drives to your building, yard or complex. Since many City of Industry sites are large and multi-building, it helps to tell us the street address, the unit or suite, and where the mailbox sits on the property.

  3. 3

    Identify the lock and who controls it

    We look at the lock type and confirm what you are allowed to change. Private tenant boxes and boxes owned by a property are usually ours to service with permission. Postal-owned collection or arrow-lock hardware is controlled by the carrier, and we will tell you plainly when a job belongs to the post office rather than a locksmith.

  4. 4

    Remove, rekey or replace

    Depending on the condition of the lock, we either rekey the existing cylinder to new keys or replace the lock entirely. A seized, corroded or damaged cylinder is typically swapped. A working lock with a compromised key can often be rekeyed, which makes the old keys useless.

  5. 5

    Test and hand over keys

    We test every new key several times, check that the door latches and opens smoothly, and confirm the lock fits properly in the box. You get working keys and, if you manage a multi-tenant property, we can discuss how to track who holds what.

  6. 6

    Look at the bigger picture if you want

    If the mailbox is one piece of a wider security question, such as a departed employee, a tenant turnover or an aging key system, we can talk through options for related doors and gates while we are on site. There is no obligation to expand the job.

Need mailbox lock replacement in City of Industry?

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 lock involved: a standard cam lock, a tenant bank cylinder or a more specialized cluster unit lock all differ in parts and labor.
  • Whether the lock can be rekeyed or has to be fully replaced because of corrosion, damage or a broken cylinder.
  • How many locks you need done in one visit, since a bank of tenant boxes is handled differently than a single box.
  • Time of day and urgency, because after-hours and emergency calls are handled differently than scheduled daytime work.
  • Access to the site, including gated yards, large multi-building properties and the distance our technician travels to reach you.
  • Whether the job involves parts that must be sourced or matched to an unusual or older mailbox model.

Why City of Industry chooses us

  • Fully mobile and available 24/7, so mailbox work can be done around your business hours, including at night or on a weekend.
  • In business since 1987, with David Shar as owner and lead technician, so you are dealing with experience rather than a call center.
  • Comfortable with commercial settings. Most of City of Industry is warehouses and offices, and we regularly work with the commercial hardware around the mailbox.
  • Honest about limits. We tell you when a mailbox is postal-owned or controlled by a property manager and what you can and cannot change.
  • Able to combine the job with related work such as office deadbolts, padlocks and master-key questions in a single visit, saving you a second call.

Mailbox Lock Replacement across City of Industry

City of Industry has a unique profile in Los Angeles County. Its few hundred residents are surrounded by industrial and commercial property, and many of the ZIP codes tied to the area, including 91744, 91745, 91746 and 91748, reflect that mix of business-focused addresses. In practice, mailbox lock work here often means tenant mail banks in flex and office units, locked boxes at a business entrance, or mail drops tied to a distribution operation.

We work across the city, from the Bassett-adjacent industrial district to the area around Grand Crossing and up toward Industry Hills, where the Industry Hills Golf Club with its Eisenhower and Zaharias courses and the Pacific Palms Resort sit nearby. Whether you are off Valley Blvd, along Azusa Ave, or close to the SR-60 and I-605 corridors, our mobile service means we drive to your door instead of you coming to us. Businesses with ZIP 91789 or 91716 addresses are welcome to call as well.

Because so many sites here are large, secured and multi-tenant, access can take some coordination. If your property has a gate, a guard shack or an after-hours entry procedure, give us the details when you call (323) 997-8867 and we will plan the visit around it. The area around the former Puente Hills Mall and the rail yards is a reminder of how much this city is about logistics and commerce, and keeping mail and paperwork secure is part of running those operations safely.

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 City of Industry locksmith services

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

Mailbox Lock Replacement in City of Industry — FAQs

Do you replace mailbox locks at businesses in City of Industry?
Yes. Most of our City of Industry work is at commercial sites, including warehouses, office suites and flex units. Call (323) 997-8867 and we will come to your location.
Can you rekey a mailbox lock instead of replacing it?
Often, yes. If the cylinder is in good working order, we can rekey it so old keys no longer work. If it is corroded, broken or damaged, replacement is usually the better route.
I lost the key to my tenant mailbox. What should I do?
Call us at (323) 997-8867. We can open the box if you are authorized to access it, then rekey or replace the lock and give you new keys. We will confirm that you have the right to the box first.
Can you work on postal service collection boxes or arrow locks?
No. Those are controlled by the postal service, and we cannot change them. If you are not sure who owns a mailbox, tell us what it looks like and we will help you figure out whether it is something we can service.
Do you offer mailbox lock service at night or on weekends?
Yes. We are available 24/7 and fully mobile. We do not promise specific arrival times, but you can call (323) 997-8867 at any hour to get started.
Can you change the locks on several mailboxes at once?
Yes. If you manage a multi-tenant building or a bank of boxes, we can rekey or replace multiple locks in a single visit. Tell us roughly how many when you call so we can bring the right parts.
Do I need to bring the mailbox to you?
No. We have no storefront. Our technician comes to your property and does the work on site.
Can you also help with other locks at my property?
Yes. Many City of Industry customers also need work on office deadbolts, dock-door padlocks, exit devices or master-key systems. We are happy to look at those during the same visit, with no obligation.
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