25312-0068404 Link

Secure the mounting plate or cross-arm to the vertical post using the provided hardware. Secure the Post:

Place the post in the hole, ensuring it is level and plumb. Fill the hole with concrete, leaving about 3–5 inches from the surface to backfill with dirt.

Ensure the bottom of the mailbox is between 41 and 45 inches above the road surface, as required by USPS regulations. 25312-0068404

Pro Tips: How To Set Posts & Poles | DIY Post Setting Guide - Sakrete

Once the post is secure and the concrete has set (if applicable), attach your mailbox to the top or cross-arm using the mounting screws. Secure the mounting plate or cross-arm to the

If you are using an in-ground installation, you will typically need to dig a hole approximately 24 inches deep. For surface mounting, ensure you have a flat, stable concrete pad.

The product code is associated with the Coolidge Mailbox Post by Architectural Mailboxes . Ensure the bottom of the mailbox is between

Are you installing this into or onto an existing sidewalk ?