Composite Post Mailbox (NEW)
Composite Post Mailbox (NEW)
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- Weather-Treated
🌟 Introducing the Composite Post Mailbox — modern strength with endless style! 🌟
This premium mailbox features a 4.5” x 4.5” composite "wood look"post that can be stained in a variety of rich, modern colors to match your home’s aesthetic. Built with both form and function in mind, the post includes a retractable 4x4 insert for secure in-ground installation, ensuring long-lasting durability.
Choose from either a locking or non-locking mailbox on top, and personalize your curb with 5” house numbers on both sides. For even more impact, upgrade to LED backlit numbers that shine day or night.
What’s Included:
• Composite Post Base (42” tall, 4.5” x 4.5”) — stainable in multiple color options
• Retractable 4x4 inner post for secure installation
• Modern Mailbox: choice of locking or non-locking
• 5” House Numbers (both sides)
• Optional Upgrade: LED Backlit Numbers
Key Features:
• Customizable Composite Post: Stainable in multiple stylish finishes.
• Secure Design: Retractable 4x4 inner post anchors solidly into the ground. Metal plate available for concrete / sidewalk install
• Mailbox Options: Choose locking or non-locking for your needs.
• Personalized Numbers: Included on both sides, with optional LED backlighting.
• Durable & Modern: Weather-resistant composite built for long-lasting curb appeal.
The Composite Post Mailbox delivers strength, security, and style — perfect for individual homeowners or HOA communities. Message us for bulk pricing.





Frequently asked questions
How long is production?
We currently have a 2-3 week turnaround time. For LED orders, it is 3-4 Weeks. Please contact us if you need it sooner :)
How much is shipping?
We offer free Ground shipping!
How do I install?
Your mailbox is already assembled. You will just need to insert into the ground and secure with the provided screws.
Install Video: https://www.instagram.com/p/DDujU43Png8/
Permit Notice
In most areas, installing a mailbox does not require a permit. However, local requirements can vary based on your city, county, or homeowners’ association (HOA).
It is the homeowner’s responsibility to confirm whether any permits, approvals, or setback requirements apply before installation.
Dream Mailboxes is not responsible for permit compliance or any issues resulting from local regulations.
When in doubt, we recommend reaching out to your local building department or HOA before moving forward with installation.