Vertical Mailboxes | Commercial Recessed & Surface Mount Units

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Learn More About Vertical Mailboxes

Vertical mailboxes mounted on wall

What is a USPS-Approved Vertical Mailbox?

Vertical mailboxes are wall-mounted units designed for condominiums, townhouses, and commercial properties requiring centralized mail delivery. Unlike horizontal cluster boxes, vertical configurations stack compartments in a tall, narrow format to maximize space efficiency while meeting USPS requirements.

These units work best in covered areas like building lobbies, mail rooms, or covered exterior alcoves. Property managers choose vertical mailboxes when floor space is limited but wall space is available, making them ideal for urban multi-unit buildings and commercial properties.

Installation Options

Recessed vertical mailboxes mount flush into the wall cavity, providing a clean, integrated appearance ideal for new construction. Surface mount units attach directly to existing wall surfaces without requiring modifications, perfect for retrofit projects in existing buildings.

Popular Configurations

  • 8-12 compartments for smaller condos

  • 12-16 compartments for townhouse developments

  • 16+ compartments for larger commercial properties

All vertical mailboxes must meet USPS STD-4C specifications including approved locks and proper compartment sizing for centralized mail service.

Frequently Asked Questions

Vertical mailboxes serve condominiums, townhouses, and commercial properties that need centralized mail delivery. They're required when individual door delivery isn't practical or allowed by postal regulations.
Vertical mailboxes mount against walls in a tall, narrow format, while cluster mailboxes are wider, shorter units that typically require more floor space. Vertical units work better in tight spaces like building lobbies.
Yes, all commercial multi-unit mailboxes must meet USPS specifications for lock types, compartment sizes, and accessibility. Property owners should coordinate with their local post office before installation.
Yes, surface mount vertical mailboxes can be retrofitted into existing buildings by mounting directly to the wall surface. Recessed units require wall cavity modifications and work best in new construction.
The number of compartments should match your unit count plus one or two extra for future needs. Consider your building layout, available wall space, and local postal delivery requirements when selecting the configuration.

Customers Who Trusted Us With Their Projects

NBC
Major League Baseball
Harvard University
JP Morgan
Cisco
caterpillar
U.S. Department of Defense
U.S. Department of State
USPS Approved
Balfour Beatty
Oregon Tech
Syracuse University
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