Best Aluminum Post-Mount Mailboxes of 2025

Harry Stack Avatar
Harry Stack
Last Updated: Jan 6, 2025

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Aluminum post-mount mailboxes are a popular choice for homeowners due to their durability and sleek design. These mailboxes are made from high-quality aluminum material that can withstand harsh weather conditions and resist rust and corrosion. They come in a variety of styles and colors to match any home's exterior décor. Aluminum post-mount mailboxes are also easy to install and maintain, making them a practical choice for busy homeowners. With their sturdy construction and attractive appearance, these mailboxes are a reliable and stylish way to receive and send mail.

At a Glance: Our Top Picks

Architectural Mailboxes Admiral Mailbox Cover #TOP 1
Architectural Mailboxes Admiral Mailbox
ftb score rating icon 9.8
Polar Aurora Barcelona Decorative Post Mailbox Cover #TOP 2
Polar Aurora Barcelona Decorative Post Mailbox
ftb score rating icon 9.7
Whitehall Deluxe Mailbox Package Cover #TOP 3
Whitehall Deluxe Mailbox Package
ftb score rating icon 9.5

Top 10 Aluminum Post-Mount Mailboxes

#TOP 1

Architectural Mailboxes Admiral Mailbox

ADM16BAM
Textured Black
Large
Architectural Mailboxes Admiral Mailbox Cover
Architectural Mailboxes Admiral Aluminum Post Mount Mailbox, Compatibility Code B, ADM16BAM, Textured Black, Large Capacity

The Admiral Mailbox by Architectural is designed for durability and convenience. Made from rust-proof aluminum that is significantly thicker than standard options, it withstands harsh weather conditions. With its large capacity, this mailbox can handle a variety of mail, including padded envelopes and small packages, making it perfect for busy households. The textured black powder-coated finish not only adds a stylish touch but also protects against the elements. Plus, it comes fully assembled with pre-drilled holes, allowing for quick and easy installation.

What We Like
Durable rust-proof aluminum
Large capacity for deliveries
Easy installation with pre-drilled holes
Stylish textured black finish
#TOP 2

Polar Aurora Barcelona Decorative Post Mailbox

Black
Polar Aurora Barcelona Decorative Post Mailbox Cover
Polar Aurora Barcelona Decorative Post Mailbox Combination Stratford Heavy Duty Postal Mail Box Cast Aluminum(Black)

The Polar Aurora Barcelona Decorative Post Mailbox Combination Stratford Heavy Duty Postal Mail Box Cast Aluminum(Black) is a large capacity mailbox with classic design, easy to assemble, and sturdy construction. The cast aluminum mailbox is rust free and has perfect surface treatment. The electrostatic Powder Coating makes it weather resistant and not easy to be powdered. It takes only about fifteen minutes to install and comes with one red flag and all necessary hardware. With its traditional elegant look, it will bring compliments from your neighbors and beautifully complement any décor.

What We Like
Large capacity mailbox for all your daily correspondence and magazines
Classic design compatible with any décor that brings compliments from your neighbors
Easy to assemble in just fifteen minutes with all necessary hardware included
Sturdy construction with cast aluminum material that is rust free and can withstand the test of time
Perfect surface treatment with electrostatic Powder Coating that makes it weather resistant and not easy to be powdered
#TOP 3

Whitehall Deluxe Mailbox Package

16537
French Bronze
Whitehall Deluxe Mailbox Package Cover
Whitehall Products Deluxe Mailbox Package, Aluminum, French Bronze

The Whitehall Deluxe Mailbox offers a stylish and functional solution for your home's exterior. It comes with an order form for two complimentary address plaques, making it easy to personalize your mailbox. Crafted from durable, high-density aluminum alloy, this mailbox is designed to withstand harsh weather conditions, ensuring it stays looking great for years. The Alumi-shield technology adds an extra layer of protection against the elements, enhancing its longevity and performance. With its elegant design, this mailbox can significantly boost your home's curb appeal, leaving a lasting impression on visitors.

What We Like
Durable aluminum construction
Weather-resistant protection
Free address plaques included
Enhances curb appeal
#TOP 4

Architectural Mailboxes Hamilton Locking Mailbox

HM200BAM
Black
Large
Architectural Mailboxes Hamilton Locking Mailbox Cover
Architectural Mailboxes Hamilton Cast Aluminum, Locking, Post Mount Mailbox, Compatibility Code C, HM200BAM, Black, Large Capacity

The Hamilton Locking Mailbox by Architectural Mailboxes offers a secure way to protect your mail. Its concealed locking compartment ensures that your letters and packages remain safe from theft, giving you peace of mind. With two keys included, you can easily access your mail whenever needed. The mailbox is made from heavy-duty cast aluminum, providing exceptional strength and durability against the elements. Additionally, the delivery slot is generously sized, allowing for larger items like magazines or padded envelopes. The convenient side access door makes retrieving your mail safe and easy, away from any traffic.

What We Like
Secure locking compartment
Durable cast aluminum construction
Large delivery slot
Side access for safe retrieval
#TOP 5

Glenbrook Aluminum Mailbox Post System

4EG24
All White
Glenbrook Aluminum Mailbox Post System Cover
The Glenbrook Aluminum Mailbox Post - Complete System with Steel Mailbox and Aluminum Post Included (All White)

The Glenbrook Mailbox System offers a stylish and sturdy solution for your mailing needs. You can personalize your mailbox with large, easy-to-read address numbers, ensuring your home stands out. The robust construction features rust-free aluminum and a durable steel mailbox, designed to withstand harsh weather conditions. Installation is a breeze with clear instructions and a helpful video guide. This mailbox not only enhances the curb appeal of your property but also provides a long-lasting, attractive addition to your home or business.

What We Like
Customizable address options
Durable, weather-resistant materials
Easy installation process
Enhances curb appeal
#TOP 6

Polar Aurora Cast Aluminum Mailbox

HW45239BK
Black
Polar Aurora Cast Aluminum Mailbox Cover
Polar Aurora Mailbox Cast Aluminum Black Mail Box Postal Box Security Heavy Duty New

The Polar Aurora Cast Aluminum Mailbox is a classic and upscale mailbox made of cast aluminum and cast iron. It features a locking access door with 2 keys for security, and has a historic design. Standing at 46" tall and weighing 18.3 pounds, it is large and heavy duty. The mailbox has an elegant retro appearance, making it a beautiful décor for your garden or home, and is easy to assemble and install.

What We Like
Large and heavy duty
Locking access door for security
Elegant retro appearance
#TOP 7

Architectural Mailboxes Roxbury Post Mount Mailbox

7900-5B-R
Black
Large
Architectural Mailboxes Roxbury Post Mount Mailbox Cover
Architectural Mailboxes Roxbury Galvanized Steel Post Mount Mailbox, Compatibility Code F, 7900-5B-R, Black, Large Capacity

The USPS-approved Roxbury mailbox features galvanized steel construction that is fully powder-coated inside and out to resist corrosion. It has a reinforced door bracket for added rigidity and a front access door that opens wide for easy mail removal. Additionally, it has predrilled mounting holes in the floor allowing for easy installation. Note, hardware and mounting bracket may be required to mount to posts not manufactured by Architectural Mailboxes.

What We Like
Durable galvanized steel construction
Reinforced door bracket for added rigidity
Front access door opens wide for easy mail removal
#TOP 8

Qualarc Westhaven Post Mount Mailbox

WPD-NB-S7-LMC-BL
Black
Qualarc Westhaven Post Mount Mailbox Cover
Qualarc WPD-NB-S7-LMC-BL Westhaven Cast Aluminum Post Mount Mailbox System with Lewiston Mailbox (No Base) Pyramid Finial, Ships in 2 Boxes, Black

The Qualarc Westhaven Mailbox features a sturdy single post design with a Lewiston mailbox and a stylish pyramid finial, enhancing your home's curb appeal. For added security, you can easily install the Lewiston Locking Mailbox Conversion Kit, ensuring your mail stays safe. Its protective black powder-coated finish makes it weather-resistant, helping to maintain its appearance over time. Additionally, you have the flexibility to mount the mailbox on either the side or front of the post, allowing for customization based on your preferences or space constraints.

What We Like
Stylish design with pyramid finial
Weather-resistant finish
Flexible mounting options
Optional locking kit for security
#TOP 9

Better Box Mailboxes Cast Aluminum Mailbox

Better Box Mailboxes Cast Aluminum Mailbox Cover
Better Box Mailboxes Decorative Residential Curbside Cast Aluminum Mailbox Black Authentic * Original * Exclusive

The Better Box Mailbox is a stylish and durable choice for your home. Made from rust-proof cast aluminum, it ensures long-lasting use, even in harsh weather conditions. With stainless steel hardware, you can trust that all components are built to last. The sleek black finish, achieved through an electrostatic powder coating, not only enhances its aesthetic appeal but also protects it from wear and tear. This mailbox comes fully equipped with everything you need, including a post, number plate, scroll, two flags, and all necessary assembly hardware, making installation a breeze.

What We Like
Rust-proof construction
Durable stainless steel hardware
Stylish black finish
All assembly hardware included
#TOP 10

The Glenbrook Deluxe Mailbox System

4EGD24
All Black
The Glenbrook Deluxe Mailbox System Cover
The Glenbrook Deluxe Mailbox and Post - Personalized Complete System with Custom Street Address Plate, Steel Mailbox, and Aluminum Post Included (All Black)

The 4Ever Glenbrook Mailbox is designed for both style and durability. You can easily customize the address plate with large, reflective numbers, making it easy for visitors to find your home. Its sturdy construction, made from rust-free aluminum and steel, ensures it withstands harsh weather conditions, providing long-lasting service. This mailbox system not only enhances your home's curb appeal but also includes everything you need for quick assembly, allowing you to set it up with ease. With a variety of included components, this mailbox system is a beautiful addition to any property.

What We Like
Customizable address plate
Durable materials
Easy assembly
Enhances curb appeal
Buying Guide Image

Frequently Asked Questions (FAQs)

1. Are mailboxes aluminum?

Imperial Mailboxes has been manufacturing the finest cast aluminum mailboxes, street signs, and lamp posts since 1989 and is an industry leader for many other reasons including the following: Manufactured from rust-free, maintenance-free, high-grade cast aluminum.

2. Can you put a lock on your Mailbox?

Locking mailbox slots must be large enough to hold the resident's normal daily volume of mail. Slots must also be large enough to accommodate unfolded US Priority Envelopes. Locks cannot be used on contemporary or traditional mailbox designs.

3. What are metal mailboxes made of?

Aluminum isn't the only metal of which mailboxes are made. Steel is another common metal used for this application. It's stronger and heavier than aluminum, steel mailboxes are also prone to rust – a problem not found in aluminum mailboxes.

Editor's Notes

During our aluminum post-mount mailboxes research, we found 24 aluminum post-mount mailboxes products and shortlisted 10 quality products. We collected and analyzed 19,984 customer reviews through our big data system to write the aluminum post-mount mailboxes list. We found that most customers choose aluminum post-mount mailboxes with an average price of $199.85.

The aluminum post-mount mailboxes are available for purchase. We have researched hundreds of brands and picked the top brands of aluminum post-mount mailboxes, including ARCHITECTURAL MAILBOXES, Polar Aurora, Whitehall, 4Ever Products, Qualarc. The seller of top 1 product has received honest feedback from 385 consumers with an average rating of 4.7.

Written by
Harry Stack Avatar

Harry Stack owns a small hardware store, his career landed him a depth of knowledge in categories such as tools, equipment, machinery and hardware. In his spare time, he usually repairs furniture, safes and appliances, and he knows how to make simple repairs to plumbing or electrical fixtures. His hobbies also include woodworking and fishing.