Recessed 4C Horizontal Mailbox with 5 Mail Compartments and 1 Parcel Locker

USPS-approved 4C recessed mailbox by Salsbury Industries engineered for multi-tenant buildings. Heavy-duty aluminum construction with stainless hardware, integrated parcel locker, and secure cam locks makes it ideal for indoor or outdoor installations.

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Key Features:

• USPS-STD-4C Compliant: Approved for new construction and major renovations with carrier master access door
• Durable Build: Heavy-duty aluminum body with stainless steel hardware and powder-coated finish for indoor/outdoor use
• Integrated Parcel Locker: Includes 1 parcel locker meeting 1:5 USPS ratio for secure package delivery
• Security Features: Heavy-duty cam locks, anti-fish plate on mail slot, and individually numbered doors
• Convenience: Outgoing mail slot with weather hood and factory-installed trim for clean recessed installation

Please check the Product Data Sheet Here

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Specifications Table:

Specification	Details
Series	Salsbury 3700 Series 4C Horizontal Mailboxes
Mount Type	Recessed mount, double column
Configuration	5 tenant mail compartments + 1 parcel locker (PL5)
Loading/Access	Front loading; USPS access with master lock (installed by USPS)
Overall Dimensions	31.125 in W x 23.875 in H x 16.5 in D (approximate)
Construction	Heavy-duty aluminum with stainless steel hardware
Finish	Durable powder-coated (colors available: aluminum, bronze, gold, sandstone)
Security	Heavy-duty cam locks; anti-fish plate on outgoing mail slot; individually numbered doors
Outgoing Mail	10-3/4 in W x 3/4 in H slot with weather protection hood; labeled Outgoing Mail
Compliance	USPS-STD-4C approved; ADA height compliant units available
Included	Factory-installed trim (3/4 in W x 1/4 in D) and solid rear cover; connector kit for linking units
Door Sizes	MB1 doors 3-1/4 in H x 13-1/4 in W; parcel locker PL5 17-1/4 in H minimum

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Frequently Asked Questions (FAQ):

Q: Is this unit USPS approved?
A: Yes, it is manufactured to USPS-STD-4C and includes a carrier access door for the USPS-provided master lock.

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Q: Can it be used outdoors?
A: Yes. Its heavy-duty aluminum construction, stainless hardware, and powder-coated finish support indoor or outdoor installations.

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Q: How many tenant doors and parcel lockers are included?
A: This configuration includes 5 tenant mail compartments and 1 integrated parcel locker.

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Q: What are the overall dimensions?
A: Approximately 31.125 in W x 23.875 in H x 16.5 in D for this 6-door-high, double-column recessed unit.

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Q: Does it include outgoing mail collection?
A: Most units, including this configuration, provide an outgoing mail slot with a weather protection hood.

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Streamlined Mail Management, Beautifully Built

This recessed 4C mailbox brings a tailored, architectural order to shared entryways. Its powder-coated aluminum face and crisply numbered doors create a clean, modern grid. Pair it with neutral stone or textured plaster to let the metallic sheen punctuate the wall. A refined essential that elevates daily routines with secure, elegant efficiency.

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Upgrade your building’s mailroom with a secure, USPS-approved recessed 4C unit designed for lasting performance and easy tenant use.

Installation