Best Plastic Mailbox Posts of 2025

The Architectural Mailboxes Whitley Post is a durable and weather-resistant mailbox post that is compatible with all M and L capacity Gibraltar Post-Mount Mailboxes. With its heavy-duty plastic construction, this post offers long-lasting protection against the elements. The Whitley Post comes with all the necessary mounting hardware for easy installation. It can be easily installed over the Gibraltar 4x4 Easy-Install Anchor Post Kit, making it a convenient choice for homeowners. Made in the USA, this mailbox post ensures both quality and reliability for your mailbox needs.

The ARCHITECTURAL Classic Mailbox is a medium capacity mailbox and post kit that is perfect for storing small boxes, magazines, and padded envelopes. Its sleek design and durable construction make it a great addition to any home. The medium capacity allows you to receive and store various types of mail, including small packages and magazines, without the need for frequent emptying. The all-in-one design of the mailbox and post kit provides convenience and saves you the trouble of purchasing separate components. The ARCHITECTURAL Classic Mailbox is a reliable and stylish solution for all your mailbox needs.

The Architectural Mailboxes Stratford Mailbox is a medium capacity, all-in-one mailbox and post kit designed for durability. Made from rust-proof plastic, this mailbox is built to last and withstand the elements. Its sturdy construction ensures that your mail stays safe and secure. The Stratford Mailbox is not only functional but also aesthetically pleasing with its sleek black design. With its medium capacity, it can hold a decent amount of mail without being too bulky. The all-in-one design makes installation a breeze, saving you time and effort. Say goodbye to rust and hello to convenience with the Architectural Mailboxes Stratford Mailbox.

The Architectural Mailboxes Mailbox Kit is a complete set that includes a mailbox, post, anchor, and installation hardware. Made of durable polycarbonate plastic, it won't rust and has a smooth, powder-coated finish with UV protection. The medium capacity mailbox fits small packages and magazines and has space for address numbers. Quick and easy to install directly into the ground, it's recommended to use concrete for loose soil. Proudly made in the USA, this kit is convenient and long-lasting.

Introducing the Architectural Mailboxes Grand Haven Kit - the perfect solution for all your mailbox needs. This extra-large mailbox provides ample space for all your packages, ensuring that you never miss a delivery again. The impressive craftsman design and textured finish add a touch of distinction to your home's exterior. Made from heavy-duty, rust-proof plastic, this mailbox is built to last and ensures maximum durability. The magnetic door latch keeps your mail secure and protected. With the post sleeve that installs over a 4x4 wooden post (sold separately), installation is quick and easy. Upgrade your mailbox experience with the Architectural Mailboxes Grand Haven Kit.

The Architectural Mailboxes Mailbox Kit is a convenient all-in-one solution including a durable polycarbonate plastic mailbox and post. The medium capacity mailbox can hold small boxes, magazines, and padded envelopes. Its smooth, powder-coated finish with UV inhibitor prevents color fading, ensuring long-lasting durability. The mailbox door features space for easy alignment of address numbers. Easily install the kit directly in-ground, with concrete recommended for loose soil. Proudly made in the USA, this kit offers a practical and stylish solution for your mailing needs.

The Step2 Lakewood Mailbox and Mailbox Post Kit is a stylish and easy-to-install mailbox solution for your home. With its decorative design, including recessed panels and crown and cove molding, it adds curb appeal to any residence. This mailbox is large enough to accommodate letters, magazines, and small packages, keeping them clean and dry. The secure magnetic closure ensures that your mail and small packages are protected. The mailbox also features a convenient newspaper chute. Made from durable materials, this mailbox and post combo kit is rust-free and chip-free, saving you the hassle of painting, sanding, or staining. Upgrade your home's mailbox with the Step2 Lakewood Mailbox and Mailbox Post Kit.

The Step2 Large Mailbox is designed for convenience and durability. Its extra-large interior can hold multiple days' worth of mail and packages, making it perfect for busy households. The secure door features a magnetic closure, ensuring your items stay protected and safe. You can easily raise the flag to signal postal workers, enhancing your mail collection process. Built to withstand various weather conditions, this mailbox won’t falter in rain, sleet, or snow, thanks to its reinforced structure. Assembly is a breeze, as it simply slides over a standard 4x4 wooden post, providing a hassle-free setup.

The Architectural Mailboxes Post is built from heavy-duty, rust-resistant plastic, ensuring it stands up to the elements for years to come. Its craftsman design and textured finish add a touch of elegance to your outdoor space. You can easily install this post over an existing 4×4 wooden post, making setup simple and convenient. With the ability to support up to 50 lbs. evenly distributed, you can confidently mount your mailbox without worry. This post also features a textured, powder-coated finish that protects against color fading, ensuring it looks great in any season.

The American Home No-Dig Mailbox Post is an easy-to-install, sturdy and adjustable post that can hold most traditional USPS approved post-mount mailboxes. The base is filled with 70 lbs DRY sand, so it requires no digging to install. The double wall plastic construction is durable and weatherproof, and it won't peel, fade or require much maintenance. All necessary hardware and a molded-in mounting plate are included, making for quick and easy installation. Made in the USA and backed by Ohio-based customer service.