FREE SHIPPING on ALL USPS-Approved Cluster Mailboxes For all 4Cs, 4B, and Vertical Mailboxes, we offer FREE SHIPPING for Orders Over $6,500.
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Request a Quote April SALE & FREE SHIPPING on all USPS Approved Cluster Mailboxes*

Standard USPS Approved Cluster Mailboxes

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Brand
  1. Florence Mailboxes 12items
  2. Salsbury Industries 6items
  3. Budget Select 4items
CBU Mailbox Type
  1. Parcel Locker 8items
  2. Standard 14items
Number of Mailbox Doors
  1. 4 Mailbox Doors 1item
  2. 8 Mailbox Doors 4items
  3. 12 Mailbox Doors 3items
  4. 13 Mailbox Doors 3items
  5. 16 Mailbox Doors 3items
Number of Parcel Lockers
  1. 1 Parcel Locker 6items
  2. 2 Parcel Lockers 14items
  3. 4 Parcel Lockers 5items
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  1. Vital 12 Door CBU Cluster Mailbox
    As low as $2,310.00

    Free Shipping in April!

    Additional Discounts for 2+ units!

    Usually ships in 3-5 days!

  2. Vital 13 Door CBU Cluster Mailbox
    As low as $2,375.00

    Free Shipping in April!

    Additional Discounts for 2+ units!

    Usually ships in 3-5 days!

  3. Vital 16 Door CBU Cluster Mailbox
    As low as $2,395.00

    Free Shipping in April!

    Additional Discounts for 2+ units!

    Usually ships in 3-5 days!

  4. 4 Door CBU Cluster Mailbox with Extra Large Tenant Doors - USPS Approved - Pedestal Included
    As low as $2,310.00

    Free Shipping in April!

    Additional Discounts for 2+ units!

    Usually ships in 3-5 days!

  5. Vital 8 Door CBU Cluster Mailbox
    As low as $2,275.00

    Free Shipping in April!

    Additional Discounts for 2+ units!

    Usually ships in 3-5 days!

  6. 8 Door Cluster Mailbox with 4 Parcel Lockers - USPS Approved - Pedestal Included
    As low as $2,505.00

    Free Shipping in April!

    Additional Discounts for 2+ units!

    Usually ships in 3-5 days!

  7. 12 Door USPS Approved Cluster Mailbox
    As low as $2,310.00

    Free Shipping in April!

    Additional Discounts for 2+ units!

    Usually ships in 3-5 days!

  8. 13 Door USPS Approved Cluster Mailbox
    As low as $2,375.00

    Free Shipping in April!

    Additional Discounts for 2+ units!

    Usually ships in 3-5 days!

  9. 16 Door USPS Approved Cluster Mailbox
    As low as $2,395.00

    Free Shipping in April!

    Additional Discounts for 2+ units!

    Usually ships in 3-5 days!

  10. Salsbury Cluster Box Unit with 13 Doors and 1 Parcel Locker with USPS Access – Type IV
    As low as $2,517.97

    Free Shipping in April!

    Additional Discounts for 2+ units!

    Usually ships within 1-2 days!

  11. 8 Door USPS Approved Cluster Mailbox
    As low as $2,275.00

    Free Shipping in April!

    Additional Discounts for 2+ units!

    Usually ships in 3-5 days!

  12. 4 Door Parcel Locker Cluster Mailbox
    As low as $3,030.00

    Free Shipping in April!

    Additional Discounts for 2+ units!

    Usually ships in 3-5 days!

  13. Outdoor Parcel Locker with Pedestal Stand - 2 Parcel Lockers
    As low as $2,020.00

    Free Shipping in April!

    Additional Discounts for 2+ units!

    Usually ships in 3-5 days!

  14. Florence CBU Cluster Mailbox – Vogue Traditional Kit, 4 Parcel Lockers
    As low as $3,895.00

    Free Shipping in April!

    Additional Discounts for 2+ units!

    Usually ships in 3-5 days!

  15. Florence CBU Cluster Mailbox – Vogue Classic Kit, 4 Parcel Lockers
    As low as $3,895.00

    Free Shipping in April!

    Additional Discounts for 2+ units!

    Usually ships in 3-5 days!

  16. Florence CBU Cluster Mailbox – Vogue Traditional Kit, 2 Parcel Lockers
    As low as $2,875.00

    Free Shipping in April!

    Additional Discounts for 2+ units!

    Usually ships in 3-5 days!

  17. Florence CBU Cluster Mailbox – Vogue Classic Kit, 2 Parcel Lockers
    As low as $2,875.00

    Free Shipping in April!

    Additional Discounts for 2+ units!

    Usually ships in 3-5 days!

  18. Salsbury Outdoor Parcel Locker with 2 Compartments with USPS Access – Type I
    As low as $2,138.97

    Free Shipping in April!

    Additional Discounts for 2+ units!

    Usually ships within 1-2 days!

  19. Salsbury Cluster Box Unit with 8 Doors and 2 Parcel Lockers with USPS Access – Type I
    As low as $2,405.97

    Free Shipping in April!

    Additional Discounts for 2+ units!

    Usually ships within 1-2 days!

  20. Salsbury Cluster Box Unit with 12 Doors and 1 Parcel Locker with USPS Access – Type II
    As low as $2,450.97

    Free Shipping in April!

    Additional Discounts for 2+ units!

    Usually ships within 1-2 days!

  21. Salsbury Outdoor Parcel Locker with 4 Compartments with USPS Access – Type II
    As low as $3,207.97

    Free Shipping in April!

    Additional Discounts for 2+ units!

    Usually ships within 1-2 days!

  22. Salsbury Cluster Box Unit with 16 Doors and 2 Parcel Lockers with USPS Access – Type III
    As low as $2,539.97

    Free Shipping in April!

    Additional Discounts for 2+ units!

    Usually ships within 1-2 days!

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What Is a USPS-Approved Cluster Mailbox?

Cluster Mailbox

Standard cluster mailboxes are USPS-approved, pedestal-mounted mail systems designed for centralized outdoor delivery. Each unit features multiple tenant doors, integrated parcel lockers, and outgoing mail slots, serving apartments, HOAs, and commercial properties.

Key Specifications

Frequently Asked Questions

Yes. All cluster mailboxes listed on this page meet USPS STD-4C compliance standards and include a master Arrow Lock housing for postal access.
Absolutely. These mailboxes are modular and ideal for scaling. We can help configure matching units across multi-building sites.
Yes. Most 12-, 13-, and 16-door units come with one or two integrated parcel lockers to support package deliveries.
Standard cluster mailboxes are designed for curbside or centralized outdoor locations with concrete slab mounting.
Lead times vary by model, but most in-stock CBUs ship within 1–3 business days. Call us if you need rush handling.

Customers Who Trusted Us With Their Projects

NBC
Major League Baseball
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Harvard University
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