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If you are a property owner or manager, which mailboxes you need to purchase for your apartment building depends on whether you are replacing outdated mailboxes or in need of mailboxes for new residential development.
For new apartment complexes
If you need to purchase community or apartment mailboxes for new development, then you have two primary options to choose from depending on whether you plan to install the mailboxes outside on the property or inside one or more buildings themselves.
USPS Approved Pedestal Cluster Mailboxes for outdoor centralized delivery
Cluster Box Units (often referred to as CBUs) are the most common choice for apartment complexes and multi-tenant residences where there is no lobby.
These units come in six different tenant-number configurations and six architectural colors to match the aesthetic of your property.
These are also popular choices because they are pre-approved by the USPS as long as they are mounted and installed according to USPS specifications.
USPS Approved 4C Horizontal Recessed Units for Indoor or Outdoor (mounted) applications
Like Cluster Mailboxes, the majority of 4C Horizontal Mailboxes meet USPS regulations and are pre-approved as long as they are installed according to USPS specifications.
These mailboxes are common in lobbies and indoor mail delivery centers. If your apartment complex was designed for indoor mail delivery and retrieval, then it is likely that you will want to configure and purchase 4C horizontal mailboxes. We can help with that, so give us a call or create a support ticket.
For replacing old mailbox systems
Depending on your replacement needs, you may not have to upgrade to a cluster or 4C horizontal mailbox system. According to USPS regulations, buildings that need to replace outdated 4B horizontal or Vertical mailbox systems can do so as long certain requirements are met. To ensure you meet those requirements, we recommend contacting your local post office prior to purchasing replacement 4B or Vertical mailboxes.
4B+ Horizontal Mailboxes
4B+ Horizontal Mailboxes are the previous version of recessed units and, like their more modern counterparts, are often used for indoor delivery and retrieval, though they can also be installed in walls beneath a protective awning as well (and similar outdoor setups).
If you have questions about purchasing 4B+ mailbox systems, please reach out to us.
Vertical Mailboxes
Common in smaller apartment complexes with fewer tenants, vertical mailboxes can be either surface or recessed mounted both indoors and outdoors.
Please contact your local post office for approval before replacing existing worn-out mailboxes, or reach out to our product experts.
