SKU: 44154478619

Salsbury 4C Horizontal Mailbox, Front-Loading, Aluminum, 56-3/4 in H x 31-1/8 in W, 20 MB1 Doors with 2 Parcel Lockers

Sale price$1184.89 Regular price$1316.55
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Description

Salsbury 4C Horizontal Mailbox, Front-Loading, Aluminum, 56-3/4 in H x 31-1/8 in W, 20 MB1 Doors with 2 Parcel LockersSalsbury Front Loading 4C Horizontal Mailbox, 20 Doors 2 Parcel Lockers USPS STD 4C approved recessed 4C horizontal mailbox built from heavy duty aluminum with stainless hardware. This double column, front loading unit provides 20 tenant compartments plus two integrated parcel lockers and an outgoing mail slot, ideal for apartments and commercial buildings. Key Features: USPS Approved 4C Design: Complies with USPS STD 4C for new construction and

Salsbury Front-Loading 4C Horizontal Mailbox, 20 Doors/2 Parcel Lockers

USPS-STD-4C approved recessed 4C horizontal mailbox built from heavy-duty aluminum with stainless hardware. This double-column, front-loading unit provides 20 tenant compartments plus two integrated parcel lockers and an outgoing mail slot, ideal for apartments and commercial buildings.


Key Features:

  • USPS Approved 4C Design: Complies with USPS-STD-4C for new construction and renovations
  • Durable Construction: Heavy-duty aluminum body with stainless steel hardware and powder-coated finish
  • Secure Access: Heavy-duty cam locks with dust/rain shields and 3 keys per door; carrier access door for USPS arrow lock
  • Integrated Parcel Lockers: Two built-in parcel lockers meet the 1:5 parcel-to-tenant ratio
  • Flexible Installation: Recessed mount with factory-installed trim; indoor/outdoor use

Please check the Product Data Sheet Here


Specifications Table:

Specification Details
Series Salsbury 3700 Series 4C Horizontal Mailboxes
Mounting Type Recessed mount
Access Type Front loading (USPS access)
Overall Dimensions 31.125 in W x 57.125 in H x 16.5 in D
Unit Height Class Maximum height unit (56-3/4 in nominal)
Tenant Compartments 20 MB1 doors
Parcel Lockers 2 integrated parcel lockers (meet 1:5 ratio)
Outgoing Mail Outgoing mail compartment with 10-3/4 in W x 3/4 in H slot and weather hood
Door Sizes MB1 doors: 3-1/4 in H x 13-1/4 in W
Construction Heavy-duty aluminum with stainless steel hardware
Finish Durable powder coat (aluminum, bronze, gold, sandstone options)
Locks Heavy-duty cam locks; 3 keys per tenant door; carrier access door accepts USPS master arrow lock
Compliance Manufactured to USPS-STD-4C; ADA height compliant units available
Included Factory-installed 3/4 in W x 1/4 in D trim; solid rear cover; connector kit to join multiple units
Use Indoor or outdoor

Frequently Asked Questions (FAQ):

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


Q: How is it installed?
A: It is a recessed-mounted unit with factory-installed trim; follow the included installation instructions and technical drawings.


Q: Can it be used outdoors?
A: Yes, it is designed for indoor or outdoor use with a durable powder-coated finish.


Q: What are the compartment sizes?
A: MB1 tenant doors are 3-1/4 in H x 13-1/4 in W; unit includes two parcel lockers meeting USPS 4C requirements.


Q: Does it include an outgoing mail slot?
A: Yes, it has a labeled outgoing mail compartment with a 10-3/4 in W x 3/4 in H slot and weather hood.


Streamlined Mail Organization with Architectural Presence

This 4C mailbox reads as a refined architectural element—sleek aluminum planes and crisp geometry that tidy a lobby with conviction. The hand-finished, powder-coated surface offers a subtle sheen, while the rhythm of numbered doors creates an elegant, ordered façade. Pair it with warm wood cladding or honed concrete to strike a modern, hospitality-grade moment. It’s a polished essential that elevates daily routines into a gesture of considered luxury.


Outfit your building with USPS-approved, secure mail delivery—add this Salsbury 4C mailbox to your project today.

Installation

Shipping Notes
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
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SKU: 44154478619

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4.2 ★★★★★
Based on 17 reviews
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Mrs. H.
Bozeman, US
★★★★★ 3
Came apart.
Color: Cherries
We were playing with it and the green part pulled off of the red part. I'm pretty sure that is not supposed to happen. I took the green part away from the dog because that part is too small for my pup to play with. But we continue to play with the red part. My dog likes the texture and the bounciness.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 26, 2026
N
Verified Purchase
Navigator65
Battle Creek, US
★★★★★ 1
Caution - handle comes off!
Color: Cherries
I really liked this toy when I opened package--our dog liked as well! Until a short time ago when I saw her chewing on the green "stem"! The stem had come apart from the main cherries. This is a small enough part that I think she or any bigger dog could choke on. Our dog is a small lab. Would not recommend buying.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 23, 2026
A
Verified Purchase
Amazon Customer
Bozeman, US
★★★★★ 5
Sturdy
Color: Bear
Good for dogs that like to chew. Smells like blue raspberry and I was not expecting that
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 5, 2026
S
Verified Purchase
Sara Knickmeier
Massapequa, US
★★★★★ 5
Must buy!
Color: Grape
My dogs love this and so do I. It really smells like “fun grape” like a fun smelling marker. It’s gentle for their teeth and durable! They are both interested in it and take turns using it, pretty awesome!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 6, 2026
S
Verified Purchase
Staci M. L.
Dallas, US
★★★★★ 5
Great for SuperChewers. Keeps my Golden busy.
Color: Bear, Color: Bear
My dog loves it and it keeps her busy for a while. She actually pulls it out of her toy basket and brings it to me when she wants it filled. I break her treats into some pieces that are easy to get and some a little harder. This way she doesn’t get them too fast or loose interest if they’re harder to get. Also, she’s had it for 3 months and there’s barely a mark on it and she’s still a puppy that chews her toys to pieces.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 5, 2026

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