Mailboss Quadruple Mail Manager® Locking Mailbox & Post
Mailboss Quadruple Mail Manager® Locking Mailbox & Post
$801.00
$759.94
/
Restock timing is not yet confirmed.
Ships from: Washington State
Usually ships within: 1 to 3 Business Days
Ships from: Washington State
Usually ships within: 1 to 3 Business Days
Estimated restock: around November 11, 2026
Manufacturer estimate as of October 14, 2026. Timing may change.
Restock timing is not yet confirmed.
Ships from: Washington State
Usually ships within: 1 to 3 Business Days
Estimated restock: around November 11, 2026
Manufacturer estimate as of October 14, 2026. Timing may change.
Restock timing is not yet confirmed.
Ships from: Washington State
Usually ships within: 1 to 3 Business Days
Estimated restock: around November 11, 2026
Manufacturer estimate as of October 14, 2026. Timing may change.
Restock timing is not yet confirmed.
Ships from: Washington State
Usually ships within: 1 to 3 Business Days
Estimated restock: around November 11, 2026
Manufacturer estimate as of October 14, 2026. Timing may change.
Ships from: Washington State
Usually ships within: 1 to 3 Business Days
Ships from: Washington State
Usually ships within: 1 to 3 Business Days
Ships from: Washington State
Usually ships within: 1 to 3 Business Days
Ships from: Washington State
Usually ships within: 1 to 3 Business Days
Ships from: Washington State
Usually ships within: 1 to 3 Business Days
Ships from: Washington State
Usually ships within: 1 to 3 Business Days
Restock timing is not yet confirmed.
Restock timing is not yet confirmed.
Restock timing is not yet confirmed.
Ships from: Washington State
Usually ships within: 1 to 3 Business Days
Ships from: Washington State
Usually ships within: 1 to 3 Business Days
Ships from: Washington State
Usually ships within: 1 to 3 Business Days
Ships from: Washington State
Usually ships within: 1 to 3 Business Days
Ships from: Washington State
Usually ships within: 1 to 3 Business Days
Ships from: Washington State
Usually ships within: 1 to 3 Business Days
Ships from: Washington State
Usually ships within: 1 to 3 Business Days
Ships from: Washington State
Usually ships within: 1 to 3 Business Days
Ships from: Washington State
Usually ships within: 1 to 3 Business Days
Ships from: Washington State
Usually ships within: 1 to 3 Business Days
Ships from: Washington State
Usually ships within: 1 to 3 Business Days
Ships from: Washington State
Usually ships within: 1 to 3 Business Days
Ships from: Washington State
Usually ships within: 1 to 3 Business Days
Ships from: Washington State
Usually ships within: 1 to 3 Business Days
Ships from: Washington State
Usually ships within: 1 to 3 Business Days
Ships from: Washington State
Usually ships within: 1 to 3 Business Days
Ships from: Washington State
Usually ships within: 1 to 3 Business Days
Ships from: Washington State
Usually ships within: 1 to 3 Business Days
Ships from: Washington State
Usually ships within: 1 to 3 Business Days
Ships from: Washington State
Usually ships within: 1 to 3 Business Days
Ships from: Washington State
Usually ships within: 1 to 3 Business Days
Ships from: Washington State
Usually ships within: 1 to 3 Business Days
Ships from: Washington State
Usually ships within: 1 to 3 Business Days
Ships from: Washington State
Usually ships within: 1 to 3 Business Days
Ships from: Washington State
Usually ships within: 1 to 3 Business Days
Ships from: Washington State
Usually ships within: 1 to 3 Business Days
Ships from: Washington State
Usually ships within: 1 to 3 Business Days
Ships from: Washington State
Usually ships within: 1 to 3 Business Days
Ships from: Washington State
Usually ships within: 1 to 3 Business Days
Ships from: Washington State
Usually ships within: 1 to 3 Business Days
Ships from: Washington State
Usually ships within: 1 to 3 Business Days
Ships from: Washington State
Usually ships within: 1 to 3 Business Days
Ships from: Washington State
Usually ships within: 1 to 3 Business Days
Restock timing is not yet confirmed.
Ships from: Washington State
Usually ships within: 1 to 3 Business Days
Estimated restock: around November 11, 2026
Manufacturer estimate as of October 14, 2026. Timing may change.
Ships from: Washington State
Usually ships within: 1 to 3 Business Days
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The Mail Boss Quadruple Mail Manager package puts 4 locking curbside mailboxes on one post. It suits duplexes, townhomes, rentals and shared driveways where each household needs its own secure box. Each mailbox takes letters, mail bundles and small packages through a baffle door that stops mail fishing, and only the key holder can open the retrieval door.
Highlights
- 4 Mail Manager locking mailboxes, a 4-box spreader bar and a steel post in one package
- USPS approved for curbside delivery (Standard 7C). Check with your local postmaster before installing.
- Commercial grade 12 disc high-security wafer lock with a patented anti-pry latch
- Baffle door accepts mail bundles and small packages up to 3.5" H x 10.2" W but prevents fishing
- 14 and 16 gauge electro-galvanized welded steel with stainless steel hinges
- 3 keys and a vandal resistant flag with each mailbox
- Choose front access, rear access (Street Safe), front and rear access (Street Safe Latitude) or the Pro model with Fast-Trak mounting, mail tray and reflective house numbers
Specifications
| Mailboxes | 4 x Mail Boss Mail Manager |
|---|---|
| Mailbox size | 11.25" H x 10.75" W x 21" D (each) |
| Material | 14 and 16 gauge electro-galvanized welded steel |
| Lock | Commercial grade 12 disc high-security wafer lock, patented anti-pry latch |
| Keys | 3 per mailbox |
| Incoming mail opening | Up to 3.5" H x 10.2" W (mail bundles, prescriptions, magazines) |
| Mail storage | About 3 to 7 days of mail |
| Hinges | Stainless steel |
| Mounting | Universal hole pattern (Pro model: Fast-Trak mounting plate) |
| Access options | Front (Mail Manager), Rear (Street Safe), Front and Rear (Street Safe Latitude), Pro (front access, Fast-Trak plate, mail tray, house numbers) |
| Colors | Black, Bronze, Granite, Alpine White, Wood Grain |
| In-ground post | 43" tall, 4" x 4" |
| Surface mount post | Tall or short post on a steel base plate (see post options), 4" x 4" |
| 4-box spreader bar | 2" H x 47.5" W x 5" D |
| USPS | Approved, Standard 7C |
What's included
- 4 x Mail Boss Mail Manager locking mailbox (view), each with 3 keys and a vandal resistant flag
- 1 x 4-box spreader bar (view)
- 1 x Mail Boss steel post: in-ground or surface mount with base plate, based on your selection
- Hardware to attach the mailboxes and spreader bar to the post
Installation
Pick the post that fits your site. The 43" in-ground post is set in a hole and fixed with concrete. The surface mount post bolts to an existing concrete pad or sidewalk with its steel base plate. The spreader bar bolts to the top of the post and each mailbox bolts to the bar. Read our curbside mailbox installation guide for placement and height tips. Check with your local postmaster before installing.
Shipping and returns
- Free shipping.
- Ships direct from the manufacturer in Washington State, usually within 1 to 3 business days. Tracking is emailed when it ships.
- Returns accepted within 30 days of delivery. Request a return first to get an RGA number.
- Items must be unused, not assembled, installed or modified, and in all original packaging. You pay return shipping.
- Restocking fee: 20% residential, 25% commercial or bulk orders (5+ items).
- Report shipping damage or missing parts within 48 hours of delivery.
- Full details: Shipping and returns policy.
Warranty
Mail Boss limited lifetime warranty for the original owner on residential installations. It covers manufacturing defects and moving parts. See our warranty page for details.
Frequently asked questions
Will packages fit in the mailboxes?
Each Mail Manager takes mail bundles and small packages up to 3.5" high and 10.2" wide, such as prescriptions and magazines. For bigger parcels, look at the Package Master version.
Is it USPS approved?
Yes. The Mail Manager is USPS approved for curbside delivery (Standard 7C). Check with your local postmaster before installing.
How many keys come with it?
Each mailbox comes with 3 keys.
Which post should I choose?
Choose the 43" in-ground post if you will set the post in a hole with concrete. Choose a surface mount post if you are bolting to an existing concrete pad or sidewalk. Not sure which height you need? Email us at customercare@mailboxempire.com before you order.
What is the difference between Front, Rear, Front & Rear and Pro?
Front Access opens from the street side. Rear Access (Street Safe) lets you collect mail from the back, away from the road. Front & Rear Access (Street Safe Latitude) opens from both sides. Pro adds the Fast-Trak mounting plate, a mail tray and reflective house numbers. Rear, Front & Rear and Pro come in black only.
How fast will it ship?
It ships from Washington State, usually within 1 to 3 business days, with free shipping. You get a tracking number by email when it ships.
Product specifications
| Material | Galvanized Steel (14/16 gauge) |
|---|---|
| Dimensions | |
| Weight | — |
| Mailbox features | Locking, Font Access, Rear Access, USPS Approved Std 7C, |
| Included in box | |
| Estimated shipping |
