Salsbury Surface Mounted 4C Horizontal Mailbox Unit, 11-Door High, Bronze, Front Loading, USPS Access
Regular price $2,293.20Surface-Mounted 4C Horizontal Mailbox, 11-Door High, Bronze
Heavy-duty 4C horizontal mailbox system designed for surface mounting where recessing isn’t possible. Front-loading USPS access, durable powder-coated bronze finish, and aluminum construction make it ideal for apartments, commercial buildings, and mixed-use properties.
Key Features:
- Surface-Mounted Convenience: Install where wall depth won’t allow recessing—includes matching enclosure
- USPS Front Access: Carrier door with USPS master lock access for secure, compliant delivery
- Durable Build: Heavy-duty aluminum with stainless steel hardware and powder-coated bronze finish for indoor/outdoor use
- Secure Compartments: Individually numbered tenant doors with heavy-duty cam locks and anti-fish outgoing mail slot
- Parcel-Ready: Integrated parcel lockers meet 4C requirements; outgoing mail compartment with weather hood
Please check the Product Data Sheet Here
Specifications Table:
| Specification | Details |
|---|---|
| Series | Salsbury 3800 Series 4C Horizontal Mailboxes |
| Mounting Type | Surface mounted (includes matching enclosure) |
| Access Type | Front loading; USPS access with carrier door |
| Overall Dimensions | 31.75 in. W x 42 in. H x 17 in. D |
| Finish/Color | Bronze, powder coated |
| Construction | Heavy-duty aluminum with stainless steel hardware |
| Use | Indoor or outdoor |
| Door Sizes | MB1: 3-1/4 in. H x 12-3/4 in. W; MB2: 6-3/4 in. H x 12-3/4 in. W; MB3: 10-1/4 in. H x 12-3/4 in. W; MB4: 13-3/4 in. H x 12-3/4 in. W |
| Outgoing Mail | Compartment with 11-3/4 in. W x 3/4 in. H slot, weather protection hood, anti-fish plate |
| Locks | Heavy-duty cam locks; includes dust/rain shield and 3 keys per tenant door |
| Parcel Lockers | Integrated parcel lockers; 4C requires min. 1 parcel locker per 5 tenant compartments |
| Compliance | USPS 4C standard; ADA height compliant units available |
| Configuration Widths | Available in single or double column configurations |
| Included | 4C mailbox unit and surface-mounted enclosure (minor assembly) |
Frequently Asked Questions (FAQ):
Q: What are the overall dimensions?
A: Approximately 31.75 in. W x 42 in. H x 17 in. D.
Q: Is this unit USPS approved and front-loading?
A: Yes, it is a USPS-approved 4C mailbox with front-loading carrier access.
Q: Can it be installed outdoors?
A: Yes, it’s built for indoor or outdoor use with a durable powder-coated finish.
Q: What materials are used?
A: Constructed of heavy-duty aluminum with stainless steel hardware.
Q: Does it include parcel lockers and outgoing mail?
A: Yes, it includes integrated parcel lockers and an outgoing mail slot with weather protection hood.
A Cohesive Mail Center with Architectural Presence
This bronze mailbox ensemble anchors common areas with a rich, refined tone that complements both industrial concrete and warm wood palettes. Its crisp grid of doors creates a disciplined rhythm, while integrated parcel lockers keep the frontage visually clean. Pair it with matte black signage and linear sconces to heighten the architectural feel. It’s a polished, practical essential that elevates everyday living.
Create a secure, USPS-compliant mail hub—add this surface-mounted 4C unit to your project today.
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.



