Vertical Mailboxes for Sale

Are you interested in replacing the mailboxes at your apartments or multi-tenant properties? If so, you may want to consider USPS-approved vertical mailboxes. At Mailbox Depot USA, we offer a wide range of centralized mail solutions, including vertical mailboxes, for residential and commercial property owners.

What Are Vertical Mailboxes?

Vertical mailboxes are surface-mounted units typically designed for indoor use. The systems contain multiple boxes for individual residents to receive mail. Each unit may contain three to seven parcel lockers for tenants, depending on your property’s needs.


Your local postmaster can install and maintain the master lock on USPS-approved units for secure USPS access. All unit options on our website come from Florence Manufacturing or Salsbury Mailboxes. Both manufacturing providers source top-tier materials, ready for installation and access by your carrier.

Vertical Mailbox Specifications

You can purchase indoor-use vertical mailboxes with surface mount or recess installation on a property wall. The three to seven mailbox units align next to each other and may include either name or address tags for easy recognition.


A standard vertical mailbox door is 16 inches tall by 5.5 inches wide. The interior compartment typically measures 16.5” x 5” x 6”.

USPS-approved Vertical Mailbox Applications

For USPS-approved applications, you must meet certain specifications. You may only choose vertical mailboxes when replacing an existing unit. If you’re constructing a new property or conducting major renovations, select one of the most up-to-date USPS-approved mailbox options, like a 4C horizontal unit.


If you’re unsure about your property’s requirements, we recommend contacting your local USPS prior to installation.

Vertical Mailbox Features

Vertical mailboxes offer various security, convenience, and stylistic features. Review more information about the approved security features and finish options below.

Security Features

Vertical mailboxes with USPS-approved 4B compliance offer security features for reducing theft and vandalism risks. The required features across all units include the following:

  • Reinforced master doors with covered hinges
  • Five-pin cylinder cam locks
  • Heavy-duty aluminum doors
  • Scratch-resistant aluminum finishes
  • A minimum compartment depth of six inches


The above items can secure your residents’ private mail while offering convenient carrier access. Our mailboxes comply with all security requirements for mail theft risk reduction.

Finish Options

Vertical mail units offer some of the most excellent finish options for matching your property’s style. With various colors to choose from, you can blend the units into the wall or create a stylish accent.


Aside from the basic aluminum finish, you may choose powdered coatings like bronze, copper, gray, black, and more. If you need help picking the right size or style for your property, our experts at Mailbox Depot USA can help.

Shop Vertical Mailboxes From Mailbox Depot USA

If you’re interested in replacing your existing centralized mail system, you’ve come to the right place. At Mailbox Depot USA, we offer mail solutions ranging from replacement multi-tenant residential applications to modern commercial construction projects. Shop online for a vertical mailbox for your property from Mailbox Depot USA, or contact us to learn more about our products. 

 

Vertical Mailboxes

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Apartment MailboxesBrands

Salsbury 3503SU 3 Door Vertical Mailbox Surface Mounted USPS Access

Model#: 3503ASU
Product Details Salsbury 3 door vertical-style commercial mailboxes are ideal for apartments, condominiums, and office buildings and are designed for replacement and retrofit installations. Made entirely of aluminum, Salsbury 3500...
$392.00 $313.97

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Apartment MailboxesBrands

Salsbury 3506SU 6 Door Vertical Mailbox Surface Mounted USPS Access

Model#: 3506ASU
Product Details Salsbury 6 door vertical-style commercial mailboxes are ideal for apartments, condominiums, and office buildings and are designed for replacement and retrofit installations. Made entirely of aluminum, Salsbury 3500...
$786.00 $628.97

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Apartment MailboxesBrands

Salsbury 3505SU 5 Door Vertical Mailbox Surface Mounted USPS Access

Model#: 3505ASU
Product Details Salsbury 5 door vertical-style commercial mailboxes are ideal for apartments, condominiums, and office buildings and are designed for replacement and retrofit installations. Made entirely of aluminum, Salsbury 3500...
$655.00 $523.97

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Apartment MailboxesBrands

Salsbury 3504SU 4 Door Vertical Mailbox Surface Mounted USPS Access

Model#: 3504ASU
Product Details Salsbury 4 door vertical-style commercial mailboxes are ideal for apartments, condominiums, and office buildings and are designed for replacement and retrofit installations. Made entirely of aluminum, Salsbury 3500...
$524.00 $418.97

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12503HA-Vertical Apartment Mailbox-Satin Nickel
Apartment MailboxesBrands

3 Compartment Fully Recessed Vertical Replacement Mailboxes - Anodized Aluminum

Model#: 12503HA
The Anodized Aluminum Florence 3 Door Vertical Mailbox satisfies the demand for an apartment mailbox, an office mailbox, and a commercial mailbox for multiple tenant buildings The door and trim...
$374.00 $299.00

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3 Compartment Surface Mount Vertical Mailboxes - Anodized Aluminum
Apartment MailboxesBrands

3 Compartment Surface Mount Vertical Mailboxes - Anodized Aluminum

Model#: 12503SMSHA
1250 Vertical Mailboxes for Postal Delivery Vertical mailboxes can be used for Postal Delivery when they replace older vertical mailboxes. Over the years, postal regulations have changed and these mailboxes...
$374.00 $299.00

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12504HA-Vertical Apartment Mailbox-Aluminum
Apartment MailboxesBrands

4 Compartment Fully Recessed Vertical Replacement Mailboxes- Anodized Aluminum

Model#: 12504HA
The Anodized Aluminum Florence 3 Door Vertical Mailbox satisfies the demand for an apartment mailbox, an office mailbox, and a commercial mailbox for multiple tenant buildings The door and trim...
$511.00 $409.00

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Usually ships 1-2 weeks
4 Compartment Surface Mount Vertical Mailboxes - Anodized Aluminum
Apartment MailboxesBrands

4 Compartment Surface Mount Vertical Mailboxes - Anodized Aluminum

Model#: 12504SMSHA
Product Details The Anodized Aluminum Florence 3 Door Vertical Mailbox satisfies the demand for an apartment mailbox, an office mailbox, and a commercial mailbox for multiple tenant buildings The door...
$511.00 $409.00

Free Shipping in June!

Usually ships 1-2 weeks
12505HA-Vertical Apartment Mailbox-Aluminum
Apartment MailboxesBrands

5 Compartment Fully Recessed Vertical Replacement Mailboxes- Anodized Aluminum

Model#: 12505HA
The Anodized Aluminum Florence 5 Door Vertical Mailbox satisfies the demand for an apartment mailbox, an office mailbox, and a commercial mailbox for multiple tenant buildings The door and trim...
$611.00 $489.00

Free Shipping in June!

Usually ships 1-2 weeks
12505SMSHA-Vertical Apartment Mailbox-Aluminum
Apartment MailboxesBrands

5 Compartment Surface Mount Vertical Mailboxes - Anodized Aluminum

Model#: 12505SMSHA
Product Details The Anodized Aluminum Florence 5 Door Vertical Mailbox satisfies the demand for an apartment mailbox, an office mailbox, and a commercial mailbox for multiple tenant buildings The door...
$611.00 $489.00

Free Shipping in June!

Usually ships 1-2 weeks
12506HA-Vertical Apartment Mailbox-Aluminum
Apartment MailboxesBrands

6 Compartment Fully Recessed Vertical Replacement Mailboxes- Anodized Aluminum

Model#: 12506HA
The Anodized Aluminum Florence 6 Door Vertical Mailbox satisfies the demand for an apartment mailbox, an office mailbox, and a commercial mailbox for multiple-tenant buildings. The door and trim on...
$711.00 $569.00

Free Shipping in June!

Usually ships 1-2 weeks
12506SMSHA-Vertical Apartment Mailbox-Anodized Aluminum
Apartment MailboxesBrands

6 Compartment Surface Mount Vertical Mailboxes - Anodized Aluminum

Model#: 12506SMSHA
Product Details The Anodized Aluminum Florence 6 Door Vertical Mailbox satisfies the demand for an apartment mailbox, an office mailbox, and a commercial mailbox for multiple-tenant buildings. The door and...
$711.00 $569.00

Free Shipping in June!

Usually ships 1-2 weeks
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