4-Compartment Recessed 4C Horizontal Mailbox

Durable 4C recessed-mounted mailbox unit by Salsbury Industries featuring four tenant compartments and an integrated parcel locker. Constructed of heavy-duty aluminum with stainless hardware, it meets USPS-STD-4C for indoor or outdoor installations.

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Key Features:

• USPS-Approved 4C Design: Complies with USPS-STD-4C for new construction and major remodels
• Rugged All-Metal Build: Heavy-duty aluminum body with stainless steel hardware and powder-coated finish
• Secure Access: Heavy-duty cam locks with dust/rain shields; includes outgoing mail slot with anti-fish plate
• Rear-Loading Configuration: One column unit with rear access door(s) for mail delivery and maintenance
• Flexible Placement: Recessed mount installation suitable for apartments, commercial buildings, and residential communities

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Specifications Table:

Specification	Details
Series	3700 4C Horizontal Mailboxes
Mounting Type	Recessed mount
Loading	Rear loading (USPS access)
Configuration	Single column; 4 tenant doors + 1 parcel locker + outgoing mail compartment
USPS Compliance	USPS-STD-4C; USPS approved
Material	Heavy-duty aluminum with stainless steel hardware
Finish	Durable powder-coated (colors available: aluminum, bronze, sandstone, black)
Dimensions	17 in W x 37.875 in H x 16.5 in D
Door Sizes	MB1: 3.25 in H x 12.75 in W; MB2: 6.75 in H x 12.75 in W; MB3: 10.25 in H x 12.75 in W; MB4: 13.75 in H x 12.75 in W (varies by configuration)
Outgoing Mail Slot	11.75 in W x 0.75 in H with weather hood and anti-fish plate
Locks	Heavy-duty cam locks with dust/rain shields; includes 3 keys per door
Included	Factory-installed 1 in W x 0.25 in D trim; connector kit for linking multiple units
ADA Compliance	ADA height compliant units available

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Frequently Asked Questions (FAQ):

Q: Is this mailbox USPS approved?
A: Yes, it is manufactured to USPS-STD-4C specifications and is USPS approved for delivery.

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Q: Can this be installed outdoors?
A: Yes. It is designed for indoor or outdoor recessed installations.

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Q: How many compartments are included?
A: The unit includes four tenant mail compartments plus an integrated parcel locker and an outgoing mail slot.

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Q: How is the unit loaded?
A: This is a rear-loading unit with rear access door(s) for the carrier.

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Q: What are the overall dimensions?
A: Approx. 17" W x 37.875" H x 16.5" D.

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Streamlined Mail Management with Architectural Poise

This recessed 4C mailbox whispers precision—its clean aluminum face brings a modern, purposeful rhythm to corridors and lobbies. I adore the orderly grid of numbered compartments punctuated by a generous parcel locker, a study in function made beautiful. Pair it with cool concrete, graphite paint, and linear sconces to create a refined mail alcove. It’s a quiet luxury essential that elevates everyday routines with impeccable design.

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Upgrade your building’s mail system with this USPS-approved recessed 4C unit for secure, streamlined delivery—order today.