Check local postal regulations and HOA rules for mailbox placement and height
Choose a mailbox and post that meet postal requirements
Gather tools and materials: shovel, level, tape measure, concrete, gravel, screws, drill, and post
Mark the installation spot at the approved distance from the curb or road
Dig the post hole to the required depth
Add a layer of gravel for drainage
Place the post in the hole and check that it is plumb
Fill the hole with concrete or compacted soil as required
Let the concrete cure if used
Attach the mailbox to the post at the correct height and angle
Secure all fasteners tightly
Verify the mailbox door opens freely and the mailbox is stable
Confirm the final height and placement meet local requirements