SKU: 1021425893

Salsbury 3700 Horizontal Series 4-Compartment Recessed Mount Mailbox

Sale price$444.11 Regular price$493.45
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Ships within 48 hours · Estimated delivery Sep 20 - Sep 25

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Description

Salsbury 3700 Horizontal Series 4-Compartment Recessed Mount Mailbox4 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. 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

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.


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

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

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.


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


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


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


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


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.


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

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: 1021425893

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4.1 ★★★★★
Based on 30 reviews
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M
Verified Purchase
Michelle Tucker
Pawtucket, US
★★★★★ 5
Perfect for the aggressive chewer
Color: Purple
I purchased these because I have a 1-year-old black lab redbone coonhound mix who destroys every toy and Bone. I have gotten him in a short amount of time... These things have outstanded this little guy and he is still enjoying them! Keeps him occupied and satisfies his chewing for hours! And he leaves my shoes alone haha
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 10, 2026
R
Verified Purchase
Riley Lee
Louisville, US
★★★★★ 5
Best for all chewers!
Color: Purple, Color: Purple
I purchased in February and waited until ive had them long enough to make a justified review. I have a very VERY aggressive chewer. He destroys every toy he gets within minutes or a hour. We didnt expect much out of these but why not. Let me tell you... they only have small teeth dents. No cracks, no breaks, no chunks missing, none in the trash, no bleeding gums... nothing. My chewer loves them. First day he just stared at them like they were alien objects but after we played fetch a few times it was on!! Now all three dogs chewer on them. I would say im purchasing again but I dont know when that will be lol I highly recommend to anyone!! Photo is taken today 6/4/26
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 4, 2026
D
Verified Purchase
Daniel
Draper, US
★★★★★ 4
My pit bull loves them.
Color: Purple
I picked up the Frienhund Tough Dog Toys 3-pack for my large, heavy chewer, and overall I’m pretty impressed. Right out of the box, the toys feel solid and well-made—definitely more durable than your average chew toy. My dog usually destroys new toys within a day or two, but these have held up significantly longer, which is a big win. They also do a great job of keeping him occupied. The shapes and textures seem to keep his interest, and I’ve noticed less destructive chewing on furniture since introducing these. That alone makes them worth it. The only reason I’m giving 4 instead of 5 stars is that while they’re very tough, they’re not completely “indestructible” (despite the claim). After a couple of weeks of heavy use, there are some visible wear marks. Still, compared to most other toys we’ve tried, these last much longer. Overall, a great option for medium to large dogs that are aggressive chewers—durable, engaging, and a solid value for a 3-pack.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 17, 2026
A
Verified Purchase
Ashleigh
Birmingham, US
★★★★★ 5
Great Toys for Chewers
Color: Purple
Love these dog toys, they are so well-made and keep my Golden Retriever busy for hours. The variety of sizes is nice too, they aren’t heavy at all, but they sure hold their shapes , even with the constant chewing. The price was very reasonable, too.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 7, 2026
D
Verified Purchase
Danielle
Houston, US
★★★★★ 5
Grateful for chewers!
Color: Purple
Very tough very durable. I have two dogs and they are still not into pieces so really good quality good value for your money.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 10, 2026

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