Salsbury Industries Maximum Height Recessed Mounted 4C Horizontal Mailbox, 9 Doors with Parcel Locker, Front-Loading, Aluminum, 17"W x 57.125"H x 16.5"D
Regular price $1,294.02Maximum Height 4C Recessed Mailbox, 9 Doors + Parcel Locker
USPS-approved 4C recessed horizontal mailbox designed for maximum-height installations. Built from heavy-duty aluminum with stainless steel hardware and a durable powder-coated finish, it includes nine tenant doors, an outgoing mail slot, and an integrated parcel locker for secure package delivery.
Key Features:
- USPS 4C Compliant: Front-loading unit meets USPS-STD-4C and maximum height requirements for new builds and major renovations
- Durable Construction: Heavy-duty aluminum body with stainless steel hardware and powder-coated finish for indoor/outdoor use
- Secure Access: Each door includes a heavy-duty cam lock with dust/rain shield and 3 keys; anti-fish plate on outgoing slot
- Integrated Parcel Locker: Built-in PL4.5 (15-1/2" H) parcel locker supports required 1:5 ratio
- Easy Integration: Factory-installed trim, solid rear cover, and connector kit simplify multi-unit installations
Please check the Product Data Sheet Here
Specifications Table:
| Specification | Details |
|---|---|
| Series | Salsbury 3700 Series 4C Horizontal Mailboxes |
| Mounting Type | Recessed mounted |
| Loading Type | Front loading (USPS access) |
| Overall Dimensions | 17" W x 57.125" H x 16.5" D |
| Unit Configuration | 9 tenant doors + 1 integrated parcel locker + outgoing mail compartment |
| Parcel Locker Size | PL4.5 (15-1/2" H) |
| 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 |
| Construction | Heavy-duty aluminum with stainless steel hardware |
| Finish | Durable powder-coated (aluminum color shown; other finishes available) |
| Security | Heavy-duty cam locks with dust/rain shield; anti-fish plate on outgoing slot |
| Compliance | USPS-STD-4C compliant; ADA height compliant units available |
| Included Components | Factory-installed trim (3/4" W x 1/4" D), solid rear cover, 4C connector kit |
| Applications | Apartments, commercial buildings, residential developments |
| Weight | 85 lbs |
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 front-loading access.
Q: How many tenant compartments does it include?
A: Nine individually numbered mail doors plus one integrated parcel locker and an outgoing mail compartment.
Q: Can it be used outdoors?
A: Yes. The heavy-duty aluminum construction and powder-coated finish support indoor or outdoor installations.
Q: What are the dimensions and weight?
A: Approx. 17" W x 57.125" H x 16.5" D; about 85 lb.
Q: Does it include locks and keys?
A: Each tenant door includes a heavy-duty cam lock with a dust/rain shield and three keys; USPS installs the master arrow lock for carrier access.
Streamlined Mail Management with Architectural Poise
This 4C mailbox brings a refined, utilitarian elegance to lobby walls, creating an orderly rhythm of compartments that feels tailored and modern. I love the softly sheened aluminum finish and crisp numbering—details that whisper sophistication. Pair it with textured stone or warm wood paneling to balance its industrial clarity. It’s a quiet statement piece that elevates everyday function into luxurious convenience.
Upgrade your building’s mail center with this USPS-approved 4C unit for secure, efficient delivery—order now.
All third party trademarks, including logos and icons, referenced on our website and product pages remain the property of their respective owners. Unless specifically identified as such, Arbor's use of third party trademarks does not indicate any relationship, affiliation, sponsorship, or endorsement between Arbor Home and the owners of these trademarks. Any references by Arbor Home to third party trademarks are to identify the corresponding third party goods.
