In-Ground Post
Our most common option, the Adoorn In-Ground Post installs into soil or over a 4x4. It’s sturdy, weatherproof, and built to keep your mailbox secure year after year.
Overview
Features
Specifications
Designed To Deliver
FREE SHIPPING
No fees. Just fast delivery.
LARGE CAPACITY
Handles more than just mail.
WEATHERPROOF
Built to outlast the elements.
Designed To Deliver
LARGE CAPACITY
Handles more than just mail.
WEATHERPROOF
Built to outlast the elements.
FREE SHIPPING
No fees. Just fast delivery.
LARGE CAPACITY
Handles more than just mail.
WEATHERPROOF
Built to outlast the elements.
FREE SHIPPING
No fees. Just fast delivery.
Stakes Directly into Dirt.
Built from heavy-duty galvanized steel with a weatherproof powder-coated finish, the Adoorn In-Ground Post installs directly into the ground or over a 4×4 for extra stability.
Mounting Surface Provides Stability
Included Surface Mounting Plate provides stability to mailbox which lessons shaking while used.
10" x 4" Hole Pattern
Fits all Adoorn mailboxes and most other mailboxes which utilize standard 10" x 4" hole pattern.
Heavy Duty & Built To Last
Heavy-duty galvanized steel construction & scratch-resistant powder coat finish keep from rusting due to rain and snow.
Made To Do More
In-Ground Installation
Easily install into the ground / dirt only.
Includes a Surface Mount Plate
Surface Mounting Plate w/ 10" x 4" spread lessens shaking
Weatherproof + Built to Last
Heavy-duty galvanized steel construction & scratch-resistant powder coat finish keep from rusting due to rain and snow.
Hardware, Instructions Included
Made to Do More
Hardware, Instructions Included
Includes all hardware needed plus Installation Instructions following all USPS requirements.
Includes a Surface Mount Plate
Surface Mounting Plate w/ 10" x 4" spread lessens shaking
Weatherproof + Built to Last
Heavy-duty galvanized steel construction & scratch-resistant powder coat finish keep from rusting due to rain and snow.
In-Ground Installation
Easily install into the ground / dirt only.
Allows for Extended Depth
Can be mounted over a 4×4 wooden post (not included) to add more stability in cold or wet weather areas.
FEATURED IN
Approved & Easy to Assemble
Built for Ground Installation
Installs in-ground only. 43"H x 4"W x 4"D. Includes 12" x 6" plate with 10" x 4" hole spread. Fits over 4x4 post (not included). USPS instructions included.
USPS Approved
Meets USPS installation standards for curbside mailboxes. Includes step-by-step instructions to help you set it up the approved way.
Approved & Easy to Assemble
Built for Ground Installation
Included Surface Mounting Plate provides stability to mailbox which lessons shaking while used.
USPS Approved
Meets USPS installation standards for curbside mailboxes. Includes step-by-step instructions to help you set it up the approved way.
Do I need an In-Ground Post or Surface Mount Post?
First check where you intend to install your post mount mailbox. If you are going to dig into the ground then you need the In-Ground Mounting Post, which is the most common post. If you are going to build a concrete slab or attach to existing solid surface (driveway/concrete/etc) then the Surface Mounting Post is for you.
What are the dimensions of the In-Ground Mounting Post?
The product is 43”H x 4”L x 4”D.
Does this post fit with any size adoorn post mount mailbox?
Yes! This product works universally across our post mount mailbox product line. Additionally, our posts will work for mounting most other standard size post mount mailboxes.
How do I install the In-Ground Mounting Post?
Choose options