





Recessed Mounted 4C Horizontal Mailbox – Maximum Height, Double Column, Custom Color, Front Loading, USPS Access
Salsbury 4C Recessed Double-Column Mailbox, Front-Loading, USPS Access
USPS-approved 4C recessed horizontal mailbox designed for apartments and commercial buildings. Maximum-height, double-column unit with heavy-duty aluminum construction, integrated parcel lockers, and outgoing mail compartment. Front-loading with carrier master access for secure, efficient mail delivery.
Key Features:
- USPS-STD-4C Compliant: Approved for new construction and major renovations with carrier master access door.
- Durable Construction: Heavy-duty aluminum with stainless steel hardware and powder-coated finish for indoor/outdoor use.
- Secure Access: Heavy-duty cam locks with dust/rain shields and anti-fish plate behind outgoing mail slot.
- Efficient Configuration: Double-column, maximum-height unit with individually numbered tenant compartments and integrated parcel lockers.
- Custom Options: Available in multiple colors and configurations; includes trim and solid rear cover for clean recessed install.
Please check the Product Data Sheet Here
Specifications Table:
| Specification | Details |
|---|---|
| Mounting Type | Recessed-mounted |
| Configuration | Double column; maximum height unit |
| Loading | Front loading; USPS access |
| Overall Size | 31.125" W x 57.125" H x 16.5" D |
| Construction | Heavy-duty aluminum with stainless steel hardware |
| Finish | Durable powder-coated (custom colors available) |
| Compliance | USPS-STD-4C approved; ADA height compliant units available |
| Security | Heavy-duty cam locks with dust/rain shield; anti-fish plate on rear of mail slot |
| Outgoing Mail | Compartment includes 11-3/4" W x 3/4" H mail slot with weather hood; labeled "Outgoing Mail" |
| Parcel Lockers | Fully integrated; meets USPS requirement of minimum 1 parcel locker per 5 tenant compartments |
| Included Components | Factory-installed 1" W x 1/4" D trim; solid rear cover; 4C horizontal mailbox connector kit |
| Door Sizes | MB1: 3-1/4" H x 12-3/4" W; MB2: 6-3/4" H x 12-3/4" W; MB3: 10-1/4" H x 12-3/4" W; MB4: 13-3/4" H x 12-3/4" W |
Frequently Asked Questions (FAQ):
Q: Is this unit USPS approved?
A: Yes. It is manufactured to USPS-STD-4C specifications and includes the USPS master access door for carrier use.
Q: Can it be installed outdoors?
A: Yes. The heavy-duty aluminum construction and powder-coated finish support indoor or outdoor installations.
Q: What loading type does it use?
A: Front-loading for USPS access and mail distribution.
Q: Does it include parcel lockers?
A: Yes. Fully integrated parcel lockers are included to meet USPS 4C requirements.
Q: Are custom colors available?
A: Yes. Custom colors and configurations are available upon request.
A Sleek, Architectural Mail Center for Modern Communities
This recessed 4C mailbox delivers a refined, built-in look that streamlines lobbies and corridors. Clean lines and a powder-coated aluminum finish create a crisp, contemporary façade, while the double-column layout maximizes function without visual clutter. Pair it with neutral wall panels and minimalist signage for a polished, hospitality-grade mail zone. It’s a sophisticated, security-forward essential for luxe multi-family living.
Outfit your building with USPS-approved, secure mail delivery—choose this Salsbury 4C recessed unit today.
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
Salsbury 4C Recessed Double-Column Mailbox, Front-Loading, USPS Access
USPS-approved 4C recessed horizontal mailbox designed for apartments and commercial buildings. Maximum-height, double-column unit with heavy-duty aluminum construction, integrated parcel lockers, and outgoing mail compartment. Front-loading with carrier master access for secure, efficient mail delivery.
Key Features:
- USPS-STD-4C Compliant: Approved for new construction and major renovations with carrier master access door.
- Durable Construction: Heavy-duty aluminum with stainless steel hardware and powder-coated finish for indoor/outdoor use.
- Secure Access: Heavy-duty cam locks with dust/rain shields and anti-fish plate behind outgoing mail slot.
- Efficient Configuration: Double-column, maximum-height unit with individually numbered tenant compartments and integrated parcel lockers.
- Custom Options: Available in multiple colors and configurations; includes trim and solid rear cover for clean recessed install.
Please check the Product Data Sheet Here
Specifications Table:
| Specification | Details |
|---|---|
| Mounting Type | Recessed-mounted |
| Configuration | Double column; maximum height unit |
| Loading | Front loading; USPS access |
| Overall Size | 31.125" W x 57.125" H x 16.5" D |
| Construction | Heavy-duty aluminum with stainless steel hardware |
| Finish | Durable powder-coated (custom colors available) |
| Compliance | USPS-STD-4C approved; ADA height compliant units available |
| Security | Heavy-duty cam locks with dust/rain shield; anti-fish plate on rear of mail slot |
| Outgoing Mail | Compartment includes 11-3/4" W x 3/4" H mail slot with weather hood; labeled "Outgoing Mail" |
| Parcel Lockers | Fully integrated; meets USPS requirement of minimum 1 parcel locker per 5 tenant compartments |
| Included Components | Factory-installed 1" W x 1/4" D trim; solid rear cover; 4C horizontal mailbox connector kit |
| Door Sizes | MB1: 3-1/4" H x 12-3/4" W; MB2: 6-3/4" H x 12-3/4" W; MB3: 10-1/4" H x 12-3/4" W; MB4: 13-3/4" H x 12-3/4" W |
Frequently Asked Questions (FAQ):
Q: Is this unit USPS approved?
A: Yes. It is manufactured to USPS-STD-4C specifications and includes the USPS master access door for carrier use.
Q: Can it be installed outdoors?
A: Yes. The heavy-duty aluminum construction and powder-coated finish support indoor or outdoor installations.
Q: What loading type does it use?
A: Front-loading for USPS access and mail distribution.
Q: Does it include parcel lockers?
A: Yes. Fully integrated parcel lockers are included to meet USPS 4C requirements.
Q: Are custom colors available?
A: Yes. Custom colors and configurations are available upon request.
A Sleek, Architectural Mail Center for Modern Communities
This recessed 4C mailbox delivers a refined, built-in look that streamlines lobbies and corridors. Clean lines and a powder-coated aluminum finish create a crisp, contemporary façade, while the double-column layout maximizes function without visual clutter. Pair it with neutral wall panels and minimalist signage for a polished, hospitality-grade mail zone. It’s a sophisticated, security-forward essential for luxe multi-family living.
Outfit your building with USPS-approved, secure mail delivery—choose this Salsbury 4C recessed unit today.




















