New Construction Mailboxes

Cluster Box Units (CBU’s) or USPS STD-4C horizontal mailboxes are USPS approved products for centralized mail delivery. They are required for new construction and major renovations.

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If your mailbox is USPS approved, it will have markings that say, “Approved by the U.S. Postal Service” or “Approved by the Postmaster General”.

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If the USPS is delivering your mail, the post office must approve mailboxes for new construction. You should verify with them which kind of mailbox is approved for your location. Click here to view information in selecting the right mailbox for your project.

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You will have to notify your local post office that you purchased a new mailbox so they can deliver the mail. They will then set an appointment to install a USPS supplied arrow lock for future USPS mail delivery.

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The USPS mail carrier may refuse to deliver the mail until a mailbox is installed. If you don’t have a mailbox and aren’t receiving your mail, you should contact your local post office.

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A parcel locker is a lockable compartment designed to hold packages that will not fit in a standard mailbox. Parcel Lockers are integrated into Cluster Box Units and 4C horizontal mailboxes. They are also available as independent units to compliment a mailbox installation.

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