SKU: 26712032241

Salsbury Sandstone Recessed-Mounted USPS Access Vertical Mailbox, 3-Door

Sale price$138.20 Regular price$153.56
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Ships within 48 hours · Estimated delivery Jul 16 - Jul 21

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Description

Salsbury Sandstone Recessed-Mounted USPS Access Vertical Mailbox, 3-DoorSandstone Recessed USPS Vertical Mailbox, 3 Doors USPS approved 4B vertical mailbox by Salsbury Industries, designed for recessed wall installation in multi tenant buildings. Made entirely of aluminum with a durable sandstone powder coat finish and three tenant compartments secured by cam locks. Key Features: USPS Approved 4B Design: Compliant for replacement retrofit installations in apartments, condos, and commercial buildings All Aluminum

Sandstone Recessed USPS Vertical Mailbox, 3 Doors

USPS-approved 4B vertical mailbox by Salsbury Industries, designed for recessed wall installation in multi-tenant buildings. Made entirely of aluminum with a durable sandstone powder-coat finish and three tenant compartments secured by cam locks.


Key Features:

  • USPS Approved 4B Design: Compliant for replacement/retrofit installations in apartments, condos, and commercial buildings
  • All-Aluminum Construction: Lightweight, corrosion-resistant body with durable sandstone powder-coated finish
  • Secure Tenant Access: Each door includes a 5-pin cylinder cam lock with two keys; center door accepts USPS master arrow lock
  • Recessed Mounting: Integrated flanged collar fits rough opening; secure through back or side panels (hardware not included)
  • Compact Footprint: Unit size 18.75 in W x 19 in H x 7.5 in D with striated doors to resist scratching

Please check the Product Data Sheet Here


Specifications Table:

Specification Details
Series Salsbury 3500 Series 4B Vertical Mailboxes
Mounting Type Recessed-mounted with integrated flanged collar
USPS Access USPS-approved; center door for USPS master arrow lock
Number of Doors 3 compartments
Overall Dimensions 18.75" W x 19" H x 7.5" D
Individual Compartment Size 5.5" W x 16.25" H x 6.75" D
Material All aluminum construction
Finish Durable powder-coated; color: sandstone
Door Features Striated doors and trim to resist scratching
Locks 5-pin cylinder cam locks with two keys per door
Ideal Applications Apartments, condominiums, commercial buildings
Rough Opening Guidance Width 1.5" less than unit, height 1.25" less than unit, depth equal to unit depth
Mounting Hardware Not included; secure through back or side panels
Optional Accessories Custom engraved placards; outgoing mail slot; replacement locks; additional keys; key blanks

Frequently Asked Questions (FAQ):

Q: Is this mailbox approved by the USPS?
A: Yes. It meets USPS-STD-4B for replacement/retrofit installations and includes a carrier access door for a USPS-provided master arrow lock.


Q: What are the overall dimensions and rough opening?
A: Overall: 18.75" W x 19" H x 7.5" D. Rough opening is 1-1/2" less in width, 1-1/4" less in height, and equal to the unit depth.


Q: What materials is it made of?
A: The unit is made entirely of aluminum with a durable powder-coated finish.


Q: How many compartments and how are they secured?
A: Three tenant compartments. Each door has a 5-pin cylinder cam lock with two keys; the center door accepts the USPS arrow lock for mail loading.


Q: Is mounting hardware included?
A: No. Mounting hardware is not included and should be sourced based on the wall construction.


Streamlined Sandstone Utility with Architectural Poise

This recessed vertical mailbox delivers a clean, tailored presence that quietly elevates a corridor or lobby. The striated sandstone doors bring subtle texture and light play, while the framed collar reads crisp and architectural. Pair it with warm wood paneling or brushed nickel hardware for a cohesive, modern entry. It’s a refined essential that marries everyday function with polished, enduring style.


Upgrade your building’s mail center with this secure, USPS-approved recessed mailbox and enjoy durable, space-saving performance.

Installation

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
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]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 26712032241

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4.9 ★★★★★
Based on 26 reviews
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Verified Purchase
Jennifer Houben
Pawtucket, US
★★★★★ 5
Very satisfied!
Color: Brown, Size: 3Tier48in, Color: Brown, Size: 3Tier48in
Quality product, very sturdy, real wood shelves, easy to put together and mount. Not too heavy and the size is nice.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 12, 2026
H
Verified Purchase
Hayley C
Louisville, US
★★★★★ 5
AWESOME Look and Quality
Color: Brown, Size: 2Tier60in
I love these shelves and have bought additional for other areas in the house. I love the look of the industrial pipes, the color of the shelves is perfect, they are sturdy and hold a lot of weight. They are somewhat difficult to assemble, but it's expected as hanging shelves are never fun to hang. I love them. If you are on the fence, just do it :)
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 10, 2025
D
Verified Purchase
Dustin O
Port Orchard, US
★★★★★ 4
Nice, but a bear to install
Color: Black, Size: 3Tier48in
Quality product that looks good on our shiplap wall of the wet bar space. The install was a real trip and extremely difficult. You definitely need 2 or more people to install as the direction tell you to put the entire item together, then hang on the wall. This makes it impossible to do yourself.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 20, 2026
S
Verified Purchase
Stevie St. Onge
Whiting, US
★★★★★ 5
Exactly what I was looking for
Color: Brown, Size: 3Tier48in, Color: Brown, Size: 3Tier48in
Very sturdy shelves and super easy to put together. I would put the shelves together starting with the bottoms then after it’s put together tighten everything up also starting from the bottom.
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Reviewed in the United States on March 16, 2026
L
Verified Purchase
Laurie
San Leandro, US
★★★★★ 5
Love it!
Color: White, Size: 2Tier48in, Color: White, Size: 2Tier48in
Love how this looks like genuine pipes but a little lighter in weight. Sturdy and easier than DIY project!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 26, 2026

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