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CBU Cluster Box Unit Commercial Mailboxes
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CBU Commercial Cluster Mailboxes USPS Approved

Auth Florence CBU mailboxes are the most durable, highest quality USPS approved outdoor cluster mailboxes on the market and continually meet or exceed USPS standards. Auth Florence Manufacturing is the sole supplier of CBU commercial mailboxes to USPS and their F-series cluster box units have been officially licensed by USPS as the "design standard" that all other commercial mailbox manufacturers must follow.

Florence CBU Mailboxes - Commercial Applications

The Mailboxworks’ Florence CBU mailboxes for sale are highly secure, locking commercial mailboxes designed for installation in any apartment or office complex that utilizes either an indoor or outdoor centralized mail delivery system. With a Florence CBU mailbox installation you get the same level of security and dependability demanded by the United States Postal Service.

You can order secure CBU commercial mailboxes for any number of USPS and private mail delivery applications including as:

• Single and Multi-family mailboxes for subdivisions and communities

• Multi-unit apartment mailboxes

• University or college centralized mail delivery

• Business mailboxes

• Industrial, government, or military centralized mail delivery

Choosing the right CBU Cluster Mailbox

The Mailboxworks can help you choose the right CBU mailbox and accessories for your needs including 2 door and 4 door parcel delivery lockers. Click on the "Chat with Us" button to the right (or in the top navigation) or call our mailbox experts toll free at 1-800-824-9985. The most popular standard CBU mailbox units we carry are all USPS approved and include:

8 Door CBU mailbox

12 Door CBU mailbox

13 Door CBU mailbox

16 Door CBU mailbox

You can also order the 8, 12, 13, and 16 door CBU mailboxes with various mailbox accessory kits, all available in 4 different finishes, including:

a. Vogue Traditional Accessory Kit

b. Vogue Classic Accessory Kit

c. Decorative Stucco Column

The Vogue Traditional and Vogue Classic mailbox accessory kits come with roof caps and ball finials, plus decorative post columns post base, and your choice of 4 door-numbering options. These CBU mailbox hardware accessories are made from 100% die cast aluminum, come in all standard Auth Florence Manufacturing finishes, and do not require modifications for installation.

Other Florence CBU Mailbox Features

Finished in a durable powder coat finish, all Florence cluster box CBU mailboxes are designed with reinforced steel, overlapping interlock seams and aircraft grade aluminum construction, ensuring your mail remains secure and adequately protected from would-be mail thieves. For private mail distribution or any application that does not use US Postal Service, our CBU commercial mailboxes can be ordered with a private master lock and outgoing mail slot.

Other unique CBU mailbox features include:

• Sloped mailbox top for water drainage

• Tight seam clearances to prevent prying

• Adhesive (or engraved) door numbering

• Outgoing mail slot with weather protection hood

• Parcel lockers with key trapping lock

• Outgoing mail collection compartment (prepped for USPS Arrow Lock)

• Heavy duty tenant cam locks with three keys per mailbox

• Matching aluminum mailbox pedestal (included)

• Aluminum comb to prevent mail fishing in outgoing mail collection compartment

• Heavy duty cam latched through the frame for added security

Ask us about USPS approved, vandal proof, secure CBU mailboxes with reinforced metal and pry-resistant master doors. These are ideal for use as government or military centralized mail distribution centers.

4C and Bommer Pedestal NDCBU Mailboxes

The Mailboxworks also carries 4C pedestal mailboxes, which are very similar to the Florence CBU cluster mailboxes, as well as Bommer cluster mailboxes. Bommer mailboxes are outdoor pedestal mailboxes available in the following configurations:

8 Door Type 1 NDCBU mailbox

12 Door Type 2 NDCBU mailbox

16 Door Type 3 NDCBU mailbox

Although no longer USPS approved for new buildings, Bommer NDCBU mailboxes can still be used for mailbox replacement purposes, once approved by your local postmaster. Bommer NDCBU mailboxes are also ideal for custom uses including for private mail distribution.

Quantity Discounts on CBU Commercial Mailboxes

MailboxWorks specializes in all things related to mailboxes for sale. We offer bulk discounts when you order two or more of these CBU mailboxes at one time. Please fill out our CBU commercial mailbox quote request form or contact our mailbox experts directly.

Call The MailboxWorks Toll Free at 1-800-824-9985

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CBU Mailbox Features

8 Door CBU Mailboxes
Retail Price: $1,229.00
Our Sale Price: $1,061.78
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12 Door CBU Mailboxes
Retail Price: $1,259.00
Our Sale Price: $1,082.78
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13 Door CBU Mailboxes
Retail Price: $1,289.00
Our Sale Price: $1,111.78
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16 Door CBU Mailboxes
Retail Price: $1,309.00
Our Sale Price: $1,131.78
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8 Door CBU Mailboxes with
Vogue Traditional Accessories

Retail Price: $1,689.00
Sale Price: $1,464.28
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12 Door CBU Mailboxes with
Vogue Traditional Accessories

Retail Price: $1,719.00
Sale Price: $1,493.28
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13 Door CBU Mailboxes with
Vogue Traditional Accessories

Retail Price: $1,749.00
Sale Price: $1,520.28
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16 Door CBU Mailboxes with
Vogue Traditional Accessories

Retail Price: $1,779.00
Sale Price: $1,543.28
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8 Door CBU Mailboxes with
Vogue Classic Accessories

Retail Price: $1,689.00
Sale Price: $1,464.28
Free Shipping
12 Door CBU Mailboxes with
Vogue Classic Accessories

Retail Price: $1,719.00
Sale Price: $1,493.28
Free Shipping
13 Door CBU Mailboxes with
Vogue Classic Accessories

Retail Price: $1,749.00
Sale Price: $1,520.28
Free Shipping
16 Door CBU Mailboxes with
Vogue Classic Accessories

Retail Price: $1,779.00
Sale Price: $1,543.28
Free Shipping


8 Door CBU Mailboxes
with Decorative Stucco Column

Retail Price: $3,479.00
Sale Price: $3,023.88
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12 Door CBU Mailboxes
with Decorative Stucco Column

Retail Price: $3,529.00
Sale Price: $3,067.75
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13 Door CBU Mailboxes
with Decorative Stucco Column

Retail Price: $3,579.00
Sale Price: $3,111.63
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16 Door CBU Mailboxes
with Decorative Stucco Column

Retail Price: $3,609.00
Sale Price: $3,133.57
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4 Door CBU Mailboxes
With Extra Large Tenant Doors

Retail Price: $1,389.00
Sale Price: $1,204.78
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8 Door CBU Mailboxes
With Extra Parcel Lockers

Retail Price: $1,589.00
Sale Price: $1,379.78
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2 Door Outdoor Parcel Locker

Retail Price: $1,099.00
Sale Price: $951.78
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4 Door Outdoor Parcel Locker

Retail Price: $1,619.00
Sale Price: $1,403.78
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8 Doors Type 1 NDCBU
Outdoor Pedestal Mailbox

Retail Price: $1,039.00
Our Sale Price: $897.64
Free Shipping
12 Doors Type 2 NDCBU
Outdoor Pedestal Mailbox

Retail Price: $1,139.00
Our Sale Price: $987.47
Free Shipping
16 Doors Type 3 NDCBU
Outdoor Pedestal Mailbox

Retail Price: $1,299.00
Our Sale Price: $1,124.54
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CBU Cluster Mailboxes Mounting Hardware Kit
Mounting Hardware Kit
For CBU & Pedestal Mailboxes

Retail Price: $49.00
Sale Price: $37.10
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