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Mailboss® Quadruple High-Security Locking Mailbox & Post

$967.94   $967.94

The USPS approved Mail Boss Quad / Quadruple Multi-Mailbox Package delivers unrivaled security and protection against mail theft, identity theft, and vandalism, and is the most affordable security mailbox available.

Virtually impenetrable, it features a commercial grade 12 disc wafer lock and a patented anti-pry latch locking mechanism to prevent leveraged entry. Everything is included for your convenience - 3 keys, reflective house numbers, drill bit and mounting hardware.

Included in the Box:

QTY Item
Link
4 Mail boss Ultimate High-Security Locking Mailbox
- Includes Vandal Resistant Flag
- 3 keys per mailbox
- Reflective House Numbers (3 of each number 0-9)
- Fast-Trak Mounting Bracket

1 4-Box Spreader Bar
1 In-Ground / Optional Surface Mount Post
Optional Newspaper Holder

  *All Hardware Required for Installation

 

Features:

  • U.S. Post Master Approved for curbside delivery
  • Commercial Grade 12 disc wafer lock with 3 keys
  • Full service, large capacity curbside locking security mailbox
  • 12 & 14 Gauge electro-galvanized welded steel
  • Incoming mail slot accepts a box of checks Ð 1.9_ H x 10.25_ W
  • Stainless steel hinges for ease of use
  • Patented anti-pry latch locking mechanism to prevent leveraged entry
  • Locking access door with commercial grade high-security wafer lock
  • Patented Fast-Trak Mounting Plate for quick installation
  • Durable powder-coated finish

Includes: vandal resistant flag, 3 keys, reflective house numbers & installation hardware

Mail Boss Curbside Overview

Dimensions:

Mailbox

Height

(inches)

Width

(inches)

Depth

(inches)

Mailbox 13.75" 11.25" 21"
In-Ground Post 43" 4" 4"
Surface Mount Post 27" 4" 4"
Spreader Bar 2" 47.5" 5"

Mail Boss Curbside Mailbox Specifications and Dimensions

Installation:

Mail Boss Post Installation Graphic
Spreader Bar Installation and Mounting Schematic

In stock
SKU:
Goodwear USA - An Authentic American Brand Since 1983
Goodwear USA - An Authentic American Brand Since 1983
For all orders over $200
1 & 1 Returns
1 & 1 Returns
Cancellation after 1 day
Secure Payment
Secure Payment
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Hotline Order:

Mon - Fri: 07AM - 06PM

720-924-6529

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The USPS approved Mail Boss Quad / Quadruple Multi-Mailbox Package delivers unrivaled security and protection against mail theft, identity theft, and vandalism, and is the most affordable security mailbox available.

Virtually impenetrable, it features a commercial grade 12 disc wafer lock and a patented anti-pry latch locking mechanism to prevent leveraged entry. Everything is included for your convenience - 3 keys, reflective house numbers, drill bit and mounting hardware.

Included in the Box:

QTY Item
Link
4 Mail boss Ultimate High-Security Locking Mailbox
- Includes Vandal Resistant Flag
- 3 keys per mailbox
- Reflective House Numbers (3 of each number 0-9)
- Fast-Trak Mounting Bracket

1 4-Box Spreader Bar
1 In-Ground / Optional Surface Mount Post
Optional Newspaper Holder

  *All Hardware Required for Installation

 

Features:

  • U.S. Post Master Approved for curbside delivery
  • Commercial Grade 12 disc wafer lock with 3 keys
  • Full service, large capacity curbside locking security mailbox
  • 12 & 14 Gauge electro-galvanized welded steel
  • Incoming mail slot accepts a box of checks Ð 1.9_ H x 10.25_ W
  • Stainless steel hinges for ease of use
  • Patented anti-pry latch locking mechanism to prevent leveraged entry
  • Locking access door with commercial grade high-security wafer lock
  • Patented Fast-Trak Mounting Plate for quick installation
  • Durable powder-coated finish

Includes: vandal resistant flag, 3 keys, reflective house numbers & installation hardware

Mail Boss Curbside Overview

Dimensions:

Mailbox

Height

(inches)

Width

(inches)

Depth

(inches)

Mailbox 13.75" 11.25" 21"
In-Ground Post 43" 4" 4"
Surface Mount Post 27" 4" 4"
Spreader Bar 2" 47.5" 5"

Mail Boss Curbside Mailbox Specifications and Dimensions

Installation:

Mail Boss Post Installation Graphic
Spreader Bar Installation and Mounting Schematic

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MailboxEmpire

 18585 Coastal Highway, Unit 10 #393, Rehoboth Beach, 19971, US, Rehoboth Beach, US
  • Started from: Nov 07, 2025
Mailbox Empire offers a wide selection of mailboxes for sale that work in both residential and commercial buildings. Visit the website today!
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