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home > Salsbury 3700 Horizontal Series Recessed Mount Mailbox, 3 Parcel Lockers, Front-Loading, Aluminum > Salsbury 3700 Horizontal Series Recessed Mount Mailbox, 3 Parcel Lockers, Front-Loading, Aluminum

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Salsbury 3700 Horizontal Series Recessed Mount Mailbox, 3 Parcel Lockers, Front-Loading, Aluminum3700 Series Recessed 4C Mailbox with 3 Parcel Lockers USPS approved Salsbury 3700 Series recessed 4C horizontal mailbox built from heavy duty aluminum with stainless steel hardware for indoor or outdoor use. This double column, front loading unit includes 15 tenant doors, an outgoing mail slot, and three integrated parcel lockers for secure package delivery. Key Features: USPS STD 4C Compliant: Approved recessed, front loading unit for new

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3700 Series Recessed 4C Mailbox with 3 Parcel Lockers

Name: Salsbury 3700 Horizontal Series Recessed Mount Mailbox, 3 Parcel Lockers, Front-Loading, Aluminum
Brand: www.midwoodautocraft.com
SKU: 86638523091
Price: 1208.03 USD
Availability: InStock
Rating: 4.0297 (2139 reviews)

USPS-approved Salsbury 3700 Series recessed 4C horizontal mailbox built from heavy-duty aluminum with stainless steel hardware for indoor or outdoor use. This double-column, front-loading unit includes 15 tenant doors, an outgoing mail slot, and three integrated parcel lockers for secure package delivery.

Key Features:

USPS-STD-4C Compliant: Approved recessed, front-loading unit for new construction and major renovations.
Durable Construction: Heavy-duty aluminum body with stainless steel hardware and powder-coated finish.
Secure Access: Heavy-duty cam locks, carrier access master door, and anti-fish outgoing mail slot.
Integrated Parcel Lockers: Three parcel lockers included to meet 1:5 USPS parcel ratio.
Ready to Configure: Includes trim, solid rear cover, and connector kit for joining multiple units.

Please check the Product Data Sheet Here

Specifications Table:

Specification	Details
Series	Salsbury 3700 Series 4C Horizontal Mailbox
Mount Type	Recessed mount, front loading
USPS Approval	Manufactured to USPS-STD-4C; USPS approved
Overall Dimensions	31.125" W x 57.125" H x 16.5" D
Weight	165 lbs
Columns / Width	Double-column (2 doors wide)
Tenant Compartments	15 MB1-equivalent doors
Parcel Lockers	3 integrated (meets 1:5 USPS ratio)
Outgoing Mail	10-3/4" W x 3/4" H mail slot with weather hood; anti-fish plate
Construction	Heavy-duty aluminum with stainless steel hardware
Finish Options	Powder-coated finishes available: aluminum, bronze, gold, sandstone
Locks	Heavy-duty cam locks with dust/rain shields and 3 keys each; USPS master arrow lock installed by USPS
Included Components	Factory-installed trim (3/4" W x 1/4" D), solid rear cover, 4C connector kit
Use Locations	Indoor or outdoor
Compliance	ADA height compliant units available
Door Sizes	MB1 3-1/4" H x 13-1/4" W; MB2 6-3/4" H x 13-1/4" W; MB3 10-1/4" H x 13-1/4" W; MB4 13-3/4" H x 13-1/4" W
Brand	Salsbury Industries

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 mail delivery.

Q: What are the overall dimensions?
A: 31.125 in W x 57.125 in H x 16.5 in D.

Q: How many tenant compartments and parcel lockers are included?
A: 15 tenant doors plus 3 integrated parcel lockers, with an outgoing mail slot.

Q: Can it be installed outdoors?
A: Yes, it’s designed for indoor or outdoor recessed installations.

Q: Does it include locks and keys?
A: Tenant doors include heavy-duty cam locks with dust/rain shields and 3 keys each; USPS installs the master arrow lock for the carrier door.

Streamlined Mailroom Luxury, Engineered to Last

This recessed 4C mailbox brings architectural order to multifamily lobbies and modern commercial corridors. The clean aluminum face and precise grid of doors create a polished, graphic statement while concealing robust, industrial hardware. Style it within a monochrome wall panel or contrast with warm wood cladding to elevate the mail zone into a refined destination. It’s a sleek essential that marries security, function, and timeless design.

Upgrade your building’s mailroom with this USPS-approved, secure 4C unit—order now for dependable delivery and a clean, professional look.

Installation