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Top rated multi-family and cluster box mailboxes

AI-generated summary · updated August 22, 2026 · verify details before purchase.

  1. Architectural Mailboxes Model 6200B-3
    Best overall ARCHITECTURAL MAILBOXES

    Architectural Mailboxes Model 6200B-3

    4.5/5 $124.99

    Durable aluminum construction with weather-resistant finish, 3 large compartments, and a sleek design that fits most neighborhood standards.

    • Durable aluminum
    • Large capacity
    • Easy installation
    • Slightly pricey
  2. Salsbury Industries 3CR100
    Premium choice Salsbury Industries

    Salsbury Industries 3CR100

    4.6/5 $351.99 Only 10 left

    Commercial-grade aluminum with stainless steel continuous hinge, 3 compartments, and USPS-approved for cluster box units.

    • Commercial-grade
    • Stainless hinge
    • USPS-approved
    • Expensive
  3. Budget pick

    American Building Supply 3CB

    4.3/5 $90-$120

    Economical steel mailbox with baked enamel finish, 3 compartments, and includes mounting hardware and lock.

    • Affordable
    • Easy to mount
    • Lock included
    • Less weather resistant than aluminum
  4. Mail Boss 7200
    Best for security Mail Boss

    Mail Boss 7200

    4.4/5 $245.94

    Heavy-gauge steel with a patented lock design to prevent theft, holds up to 700 pieces, and features a newspaper slot.

    • Anti-theft lock
    • Large capacity
    • Newspaper slot
    • Bulky design
  5. Whitehall Products SC3-1
    Best design Whitehall

    Whitehall Products SC3-1

    4.2/5 $113.73

    Cast aluminum with decorative fluting and a bronze finish, 3 compartments, and a hand-painted appearance.

    • Attractive design
    • Durable cast aluminum
    • Large compartments
    • Heavier
    • Pricey
  6. Step2 MailMaster 3-Compartment
    Budget multi-family Step2

    Step2 MailMaster 3-Compartment

    4.1/5 $96.99

    Plastic construction with UV protection, 3 compartments, and a lightweight design that is easy to install.

    • Lightweight
    • UV-resistant
    • Very affordable
    • Less durable than metal
    • Not USPS-approved for some areas
  7. Gibraltar Mailboxes 5108-3
    Best value Gibraltar Mailboxes

    Gibraltar Mailboxes 5108-3

    4.4/5 $83.95 Currently unavailable

    Steel construction with powder coating, holds up to 6 newspapers, and includes a newspaper slot and master lock.

    • Good value
    • Newspaper slot
    • Secure master lock
    • Heavier than aluminum

Buying advice

Consider the material (aluminum is lightweight and rust-resistant, steel is strong but heavier), the number of compartments needed, USPS approval for cluster box units, and security features like locks. Higher-rated options like Architectural Mailboxes offer durability and design, while Gibraltar provides great value. Check your local postal regulations before purchasing.

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