Commercial Mailboxes - Multi-Tenant Style
USPS Approved & Private Delivery Options Available 
For over 25 years, National Mailboxes has been a trusted source for high-security, multi-tenant commercial mailboxes. We manufacture and distribute a wide range of USPS-approved and private-use mailboxes to businesses, schools, and government facilities across North America.
Choose from pedestal-mounted, wall-mounted, and freestanding mailbox systems—built from durable materials and designed for long-lasting performance. Learn more about commercial mailboxes » For product assistance, call our Customer Support Center at 1-800-676-5161.
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Cluster Box Unit Mailboxes (CBUs) (75)
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4C Series Horizontal Wall Mount Mailboxes (184)
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4C Series Horizontal Wall Mount Mailboxes - Depot Enclosure (57)
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Standard Horizontal Wall Mount Mailboxes (76)
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Standard Vertical Wall Mount Mailboxes (24)
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Freestanding Mail Stand Enclosures with 4C Series Horizontal Mailboxes (High Security Type) Local Postal Approval Required (49)
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Vario Express 4C Outdoor Mail Stations (12)
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Parcel Lockers (39)
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Private Distribution Wall Mount Horizontal Mailboxes (42)
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Apartment Mailboxes | USPS Approved (32)
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Horizontal Wall Mount Mailboxes for Private Use/Access Only (24)
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D-Vault High Security Collection Mailboxes (5)
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Letter Locker Collection Mailboxes (High Security Type) (11)
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Economy Series Wall Mount Rear Loading Horizontal Mailboxes – For Private Use/Access Only (16)
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Rack Ladder Wall Mount Rear Loading Horizontal Mailboxes – For Private Use/Access Only (24)
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Guardian Horizontal Wall Mount Mailboxes (14)
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Outdoor Express Freestanding Mail Stations - USPS Approved (12)
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Mail Package Drop Locking Mailbox (High Security Type) USPS Approved (8)
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Freestanding Commercial Mailboxes (Rotary Style) (9)
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Mail Drops & Mail Collection Receptacles (Wall Mount Type) (3)
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Mail Chest Locking Mailbox (USPS Approved) (10)
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NDCBU Pedestal Mailboxes (5)
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Freestanding Portable Mailbox Enclosures (7)
Commercial Mailboxes Built for Every Property
National Mailboxes offers a wide range of USPS-approved and private-use commercial mailboxes for apartments, businesses, universities, and government buildings. Choose from outdoor pedestal CBUs, indoor wall-mounted 4C mailboxes, freestanding enclosures, and more. Our products are built from heavy-duty aluminum and stainless steel for maximum durability and security.
Available Styles
- Cluster Box Units (CBUs): Outdoor pedestal style for multi-tenant properties
- 4C Horizontal Mailboxes: Wall-mounted or recessed, USPS-compliant
- Freestanding Depot Enclosures: Surface-mounted with 4C units inside
Key Features
- Weather- and corrosion-resistant
- ADA-compliant options
- Tenant locks and keys included
- Parcel lockers on most models
- Durable powder-coated finishes
- Installation support + warranties
Durability & Materials
Our mailboxes are made from powder-coated aluminum or galvanized steel for long-lasting performance in any environment.
Security Features
High-security cam locks, anti-pry doors, and optional parcel lockers keep your mail safe from theft and weather damage.
Sizing & Capacity
Choose models based on your tenant or office count. Parcel locker options available to accommodate package deliveries.
Installation & Support
We provide installation manuals and optional professional setup assistance. All units ship with manufacturer warranties.
From single-unit upgrades to full-campus installations, we provide secure, high-quality mailbox solutions for every type of property.
- Office Buildings & Strip Malls
- Apartment Complexes & HOAs
- College Dorms & University Mail Centers
- Government & Military Facilities
- Multi-Family Properties & Condos
