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Crenshaw Lock

Mailbox Lock Replacement in Tarzana · 24/7 mobile

Mailbox Lock Replacement in Tarzana, California

Crenshaw Lock Company provides mailbox lock replacement and rekeying in Tarzana, California, for residential, cluster and community mailboxes. We are fully mobile and available 24/7, so we come to your door or mailbox location. Call (323) 997-8867 to describe your mailbox and get started.

  • Mobile to your Tarzana 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 goes missing, the cylinder starts to stick, or you move into a home and have no idea who else holds a copy. In Tarzana, where mail often holds bank statements, medical paperwork and packages, a failing or unknown-key mailbox lock is worth fixing promptly. Replacement or rekeying is usually a small job, but it has to be matched to the right box.

Crenshaw Lock Company has served Greater Los Angeles and Ventura County since 1987, and David Shar leads our work. We are mobile only, with no storefront to visit. We bring tools and a range of replacement mailbox cylinders to your property, whether that is a wall-mounted box on a ranch home, a freestanding box at a gated estate, or a cluster unit at an apartment complex.

We work on residential boxes, cluster boxes and community mailbox locks, and we can replace a worn lock, rekey it to a new key, or advise you when the box itself is the real problem. Some mailbox types, such as official USPS-controlled units, have rules about who may service them, and we will tell you plainly what we can and cannot do before any work begins.

How it works in Tarzana

  1. 1

    Tell us about the box

    When you call (323) 997-8867, describe the mailbox: wall-mounted, post-mounted, cluster, or community. Tell us what is wrong, such as a lost key, a jammed cylinder, a broken latch, or a recent move. That lets us bring suitable parts.

  2. 2

    Confirm who controls the box

    We check whether the box belongs to you, your HOA, a property manager, or the postal service. Owner-controlled boxes we can service directly. For units controlled by the postal service, we explain the proper channel rather than tampering with them.

  3. 3

    Identify the lock type

    We inspect the cylinder and housing to see its style, size and condition. Many mailbox locks are small cam locks, and fit matters, because a cylinder that is the wrong length or has the wrong cam will not latch or turn properly.

  4. 4

    Replace or rekey

    If the lock is worn, corroded or damaged, we install a new cylinder. If it still works but you do not know who has keys, rekeying may be enough. Either way, the old keys stop working and you receive new ones.

  5. 5

    Test and hand over keys

    We test the new lock repeatedly, check that the door closes and latches cleanly, and make sure each key works smoothly. If the door, hinge or housing is bent or rusted, we point it out so you can decide on a repair.

Need mailbox lock replacement in Tarzana?

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

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What affects the price

  • Whether the lock needs full replacement or can simply be rekeyed, since a new cylinder involves parts and rekeying involves labor and pins.
  • The mailbox type, because standard residential boxes, cluster units and community boxes use different cylinders and may take different effort to access.
  • The number of locks involved, such as a single house box versus several units in an apartment or townhome cluster.
  • How many keys you need cut, and whether multiple tenants or family members each need their own set.
  • Condition of the surrounding box, since rust, bent doors or damaged latches may add repair time beyond the lock itself.
  • Time and location of the visit, including after-hours calls, which affect scheduling and travel to the property.

Why Tarzana chooses us

  • We are fully mobile, so we repair the lock on-site at your mailbox instead of asking you to bring anything anywhere.
  • Serving the LA area since 1987 means long experience with the older builder-grade hardware often found on mid-century homes.
  • We are upfront about which mailboxes we can service, especially postal-controlled units, instead of promising work we should not do.
  • We can handle many boxes in one visit, which suits property managers and HOAs with several units to rekey.
  • We tell you if the box, not the lock, is the real issue, and we do not push replacement when a simple rekey would solve the problem.
  • Calls are answered around the clock, so a lost key at night does not have to wait for business hours.

Mailbox Lock Replacement across Tarzana

Tarzana covers a wide range of properties, and mailbox needs vary with them. On the flats north of Ventura Boulevard, many 1950s ranch homes still have original wall-mounted or post-mounted boxes with aging cam locks that stick, corrode or simply wear out. Streets off Reseda Boulevard, Tampa Avenue and Lindley Avenue have plenty of these older residences, along with apartment buildings that rely on shared or cluster-style mail boxes in ZIP code 91356.

South of the Boulevard, in the Santa Monica Mountains hillside, and around the El Caballero area, estates often have more decorative or freestanding mailboxes near a gate or driveway entrance. Those boxes may sit next to a gate intercom or smart-lock setup, so when household staff changes or a property sells, it makes sense to rekey the mailbox along with other locks. Homes served by ZIP code 91357 and the winding routes toward Mulholland Drive are well within our service area.

Along the Ventura Boulevard corridor, near Providence Cedars-Sinai Tarzana Medical Center, professional offices and suites may have their own mail slots or boxes that need rekeying after staff turnover. Since we are mobile, we can reach properties from Wilbur Avenue to Corbin Avenue, off the 101 or Ventura Boulevard, at any hour. Call (323) 997-8867 and we will plan the visit around your property.

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Other Tarzana locksmith services

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

Mailbox Lock Replacement in Tarzana — FAQs

Can you replace a mailbox lock if I lost the key?
Yes, for boxes you own or manage. We can open the lock if needed and fit a new cylinder with new keys. Call (323) 997-8867 and tell us the type of box so we can bring the right parts.
Do you service USPS cluster boxes in Tarzana?
It depends on who controls the unit. Postal-controlled boxes have their own procedures and we will not tamper with them. For HOA, building or privately owned boxes, we can usually help. Describe your setup when you call (323) 997-8867.
Is rekeying a mailbox lock better than replacing it?
If the lock is in good shape and you only need to cancel old keys, rekeying often does the job. If it is corroded, sticking or damaged, replacement is the better choice. We assess it on-site and tell you honestly.
Do you offer mailbox lock service at night or on weekends?
Yes. We are available 24/7 and fully mobile, so you can call any time. There is no storefront, because we come to your Tarzana address.
Can you rekey several mailboxes in an apartment building?
Yes. Property managers often have us rekey multiple units in one visit, which is useful after tenant turnover. Cost depends on the number of locks and the box type, so give us a count when you call.
What if my mailbox door is bent or rusted, not just the lock?
We will point it out during the inspection. Sometimes a new lock still works fine in a worn door, but if the door will not latch securely, you may want the box repaired or replaced. The decision is yours.
Can you rekey my mailbox when I move into a new house?
Yes, and it is a smart step since you do not know who holds old copies. We can rekey the mailbox alongside the front door and other locks. Call (323) 997-8867 to schedule it.
How do I know the replacement lock will fit my box?
We inspect your existing cylinder and housing first and match the size, style and cam. We carry a range of options, and we test the lock before leaving to make sure it turns and latches properly.
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