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The 8 Best mailbox post for 4 of 2025

Are you trying to find mailbox post for 4 among various brands on the market but aren’t sure where to begin? To assist you in finding the right one, we’ve put together a list of the 7 best to help you pick the perfect one!

We investigated and evaluated a number of the top-selling mailbox post for 4 on the market in order to create our list of the best. Making a decision among the many options available is never simple. There are an infinite number of models available, each with a distinct price. And as you’ll find out, the best options aren’t usually the ones you imagine! This comparison is rich and relevant because of the numerous factors that were employed. You will find products featured in this ranking not only based on their pricing but also on their features and other customers reviews. To write this review, we completed 24 hours of research and did 15 mailbox post for 4 tests. You won’t need to pick products at random any more. If you’re unsure of what to look for, browse our list and consult the buying guide!

An overview of our top picks

Table of contents

The best mailbox post for 4 you can buy today

No. 1
Handy Post for 4 Mailboxes, 54-in x 54-in, White, Vinyl Sleeve
  • MAILBOXES NOT INCLUDED
  • Maintenance Free and Durable PVC (Vinyl) with Lifetime Warranty
  • Fits over existing or new wood 4x4 (actual 3.5"x3.5") post or many no-dig supports
  • Simple to install and will NEVER lose its white color
  • Each arm extends out 25" from the upright
No. 2
Handy Post 4L 42-in x 45-in White Vinyl Mailbox Post Sleeve
  • MAILBOXES NOT INCLUDED
  • Maintenance Free and Durable PVC (Vinyl) with Lifetime Warranty
  • Fits over existing or new wood 4x4 (actual 3.5"x3.5") post or many no-dig supports 42" high or less
  • Simple to install and will NEVER lose its white color
  • The cross arm is 45" across and will accommodate 4 mailboxes up to 8.7" wide each
SaleNo. 3
Mail Boss 7121, Black In-Ground Mounting Post, 43 x 4 x 4 inches, for Use with Mailbox
  • Post made of heavy-duty 10- and 14-gauge electrogalvanized steel
  • Features durable powder-coated finish
  • Can be used with a wooden post for deep in-ground installations
  • Includes 4 mounting bolts and clear instructions
  • Accepts all Mail Boss brand Locking Security Mailboxes
SaleNo. 4
Architectural Mailboxes Pine Wood Post Anchor Kit, 4x4 Easy Install, APK000AM, Pine
  • Kit includes a wooden post, steel drive-in anchor, installation hardware and instructions for installation
  • Post accessory is not intended for directly mounting a mailbox
  • Wooden post measures 23.5″ tall after placing in ground
  • Designed for use with slip over mailbox posts or all-in-one mailbox and post combos (sold separately)
  • Installs directly in-ground, no digging required
  • Not recommended for applications in loose soil
  • Recommended with slip over posts using a medium size mailbox
SaleNo. 5
Handy Post for 3 S,M Mailboxes, 42-in x 31-in, White, Vinyl Sleeve
  • MAILBOXES NOT INCLUDED
  • Maintenance Free and Durable PVC (Vinyl) with Lifetime Warranty
  • Fits over existing or new wood 4x4 (actual 3.5"x3.5") post or many no-dig supports
  • Simple to install and will NEVER lose its white color
  • The cross-arm is 31" long across the upright. The vertical post and the height of the cross-arm is 42" from the ground
  • Supports (3) S,M,L Mailboxes (mailboxes not included)
No. 6
Adoorn 43" In-Ground Mounting Post for Easy Install Mailbox Use, 43" x 4" x 4", Heavy Duty Mailbox Post, for use with Mailbox
  • Receive What You Buy - Prevent identity, mail and package theft. Stop porch pirates with our locking mail boxes for house outside. This post mounted mailbox features an anti-phishing panel and anti-pry latch. Keep out sticky fingers with Adoorn’s mail box.
  • Receives All Types Of Mail: Easily accessed by mail carriers and delivery drivers, our post mount mailboxes for outside receive small and large envelopes, poly-bag style mailers and packages up to 16” x 10” x 2”. This 43" x 4" x 4" (HxWxD) locking mailbox holds 2-3 days of mail
  • Easy to Mount: Combine Adoorn’s residential mailboxes for outside with our post for mailbox (sold separately) or use your existing post. This package mailbox has five different hole patterns to accommodate most posts. Our outside mailboxes can be installed quickly and easily.
  • Instantly Add Curb Appeal: Adoorn's outdoor mailboxes are designed to compliment home decor. This black mailbox includes a bright red mail flag for added charm. Our modern mailbox comes in a range of eye-catching colors.
  • Durable and Weatherproof: Our locking mailboxes are constructed from heavy-duty galvanized steel, stainless steel hinges and rust proof finish. This metal mailbox protects from rain and snow.
SaleNo. 7
Architectural Mailboxes Landover Aluminum Mailbox Post, Black
  • Constructed from rust-resistant aluminum for durability and strength
  • Conveniently installs over an existing 4×4 wooden post (sold separately)
  • Supports up to 60 lbs. evenly distributed
  • Powder-coated finish protects against weathering
  • Compatible with most mailboxes - perfectly fits Architectural Mailboxes with Match codes A, B, or C
  • Assembly required prior to installation
  • Mounting and installation hardware included for easy setup
  • Mailbox and 4×4 wooden post are sold separately
  • Wide steel cross arm coupled with decorative finial adds curb appeal to any residence
  • Conveniently installs over an existing 4x4 wooden post (sold separately)
SaleNo. 8
Mayne Newport Plus Mailbox Post with Standard Arm – Weather-Resistant, Durable Classic Design – Easy-to-Install Outdoor Mailbox Post
  • Fade resistant for lasting elegance and durability
  • Supports mailboxes up to 8lbs; fits standard 4x4 post.
  • Ships in 2 boxes (post/support arm)
  • 4x4 post, mailbox and mailbox mount not included
  • Made in the USA – 15-year limited warranty
No. 9
LADECH 4x4 Fence Post Anchor Ground Spike 24” Length Metal Black Powder Coated – Mailbox Post Anchors – Fit 3.5x3.5 Wood Post
  • Easy Installation : Total length: 24”, fit 3.5” x 3.5” wood posts without digging holes or pouring concrete. Take a scrap piece of wood to hammer the post anchor in the ground by using a mallet or a sledge hammer and it will drive the post anchor all the way in the ground.
  • Sturdy And High Quality : The Post Anchors are Powder Coated Strong Street to last many decades to come and protect your decking wood from rotting.
  • Multiple Uses: Screw In 3.5 inch x 3.5 inch Post Anchors are Ideal for Mailbox installations, Fencing, Decks, Street Lamps, etc. The No-Dig Ground Anchor offers a faster, cleaner, and easier way to install your post. It's an ideal way to avoid digging a hole and mixing concrete, it truly is a time saver.
  • Screw In Cluded
SaleNo. 10
Architectural Mailboxes Drive-in Post Kit Galvanized Steel Mailbox Post, Compatibility Code A, B, SDPK00AM, Black
  • Constructed from rust-resistant galvanized steel for additional strength and stability
  • Designed for in-ground installation and recommended to be set up in concrete
  • Capable of supporting up to 50 lbs. evenly distributed
  • Black powder-coated finish preserves appearance and helps resist rust
  • Compatible with most standard size mailboxes - perfectly fits Architectural Mailboxes with Match codes A or B
  • Post assembly required before installing in ground
  • Mounting and installation hardware included for easy setup
  • Clean, modern design matches virtually any mailbox
  • Adjustable height cross arm offers additional support
  • Clean, modern design matches virtually any mailbox (mailbox sold separately)
SaleNo. 11
Architectural Mailboxes 950020RZ Centennial Post Mount Mailbox, XL, Rubbed Bronze
  • Larger inner compartment can accept a USPS priority mail large flat rate box 12 in. x 12 in. x 5.5 in. and still has room for additional mail and parcels
  • Heavy gauge galvanized steel body equipped with stainless steel door pins then fully powder coated for corrosion resistance
  • Sleek magnetic door closure provides reliability all while keeping door firmly closed
  • Predrilled 4 in. x 10 in. hole pattern in floor allows for mounting to existing post (installation hardware not included)
  • Embossed side panels provides space to apply numbers or letters
  • Overall dimensions: 14 in. W x 12 in. H x 18.3 in. D
  • Approved by the US postmaster general
  • Works with Architectural Mailboxes post models 5526, 5525, 7516, 7510 and 7507
No. 12
4x4 Post Cap 3.5"x3.5" Most Common Size Black Pyramid Style Square Top for Outdoor Fences, Mailboxes & Decks, by Atlanta Post Caps…
  • MEASURE POST Before ordering We carry the perfect fit. These post tops are designed to fit standard 4x4 fence posts, these post caps fit 3.5"x 3.5" up to 3.75" x 3.75" posts and are perfect for any outdoor fence or deck project. They slide down the post 1.5 inches; their widest outside dimension is 5.5 inches. They will install on wood, composite, metal, and vinyl posts
  • Made in the USA: Our SNAP-Cap post caps are proudly made in the USA, ensuring top-quality manufacturing and materials. Satisfaction Guarantee: We are confident that you will be completely satisfied with your purchase. If for any reason, you are not, we offer a satisfaction guarantee for your peace of mind.
  • Durable and long-lasting: Made with ASA resin, these post caps are designed to withstand harsh weather conditions, ensuring they last for years to come. We guarantee these fence post caps for 10 years.
  • Featuring a patented snap on design, these post caps can be quickly and easily installed with the included rust-free screws in less than a minute
  • Screws are hidden after installation!
No. 13
Post Shields Post Protector 4x4 (3.5"x3.5") - 6" H – Protects Your Mailbox, Deck & Fence Posts from Damage by Lawn Maintenance Equipment – Fits Wood & Metal Posts – No Tools, Screws or Nails Needed
  • CHOOSE YOUR SIZE & COLOR – Please MEASURE your post before purchase. This 4x4 post sleeve fits 3.5 x 3.5” dimensional posts, described as standard 4 x 4” posts. The device is available in 4 or 6” height options. Available in white, black & bronze. 6 x 6” Post Shields are also available
  • INCREASE YOUR CURB APPEAL – A string trimmer damages your posts over time, causing paint chips, scrapes, cracking and erosion. This fence post guard / mailbox post sleeve protects your new or existing posts from yard maintenance tools
  • FAST, EASY INSTALL – POST SHIELD’S simple design means NO tools, screws or nails are needed. The device assembles, installs and removes in seconds – our installation video shows how simple it is to put in place
  • WHY YOU NEED POST SHIELDS – This mailbox protector / fence post protector fits around the base of your wood or metal posts, to protect them from landscaping / yard maintenance equipment damage. Save money and time and keep your posts looking great
  • FAMILY OWNED & OPERATED – Brother and sister duo, Kane and Jennifer created this mailbox post protector guard to protect their own family and friend’s posts. Made from high-impact, UV protected rigid PVC, POST SHIELDS offers a straightforward and cost-effective solution to help you put your property ahead of the rest
No. 14
1 Pcs 4x4 Fence Post Anchor Ground Spike 16"(Inner Size 3.6"x3.6") Black Powder Coated–Mailbox Post Anchors, for Deck,Fence,Railing,Mailbox..
  • Fence Post Anchor Ground Spike: Constructed of high quality carbon steel for strength and durability, with a durable black powder coated finish that effectively prevents the wood from coming into direct contact with wet ground, ensuring long term use and corrosion resistance.
  • 4x4 Post Anchor Features: The fence post anchor are designed with one-piece construction for easy hammering into the soil. It can be quickly installed in normal soil without digging and can also be used on wet concrete surfaces for a strong and durable finish.
  • Dimensions: 4x4 post spike is one-piece, Overall Length: 16 inches, Lower Length: 12.5 inches, Upper Length: 4 inches, I.D.: 3.6 inches x 3.6 inches.
  • Versatile Uses: Fence post anchor can be used in soil or wet concrete, great for securing fences, mailbox posts, planters, light posts, gazebos, pergolas, address posts, railings, road signs, bird feeders and more.
  • Package Includes: 1 x fence post anchor and 8 x flat head screws. If you have any installation problems, please feel free to contact us, we will try our best to help you.
No. 15
Davinci Lighting Classic Solar Outdoor Post Cap Lights - 4x4 5x5 6x6 - Bright LED Light for Fence Deck Garden or Patio Posts - Slate Black (1 Pack)
  • SOLAR POWERED - Save energy, save money, save the planet. Caps charge during the day and turn on automatically at night. 6-8 hours of battery life each night.
  • BRIGHT - Make your home shine by turning your posts into lights! Industry leading bright 15 lumen warm white LED provides more than just accent lighting.
  • CORDLESS - Avoid the cost and headache of hiring an electrician or contractor to run dangerous wires outside. Each lamp is cordless and completely self-contained.
  • INCLUDES DIFFERENT BASES - Fits square 4x4 vinyl/plastic posts (4x4"), 4x4 wooden posts (3.5x3.5"), 5x5 wooden posts (4.5x4.5"), and 6x6 wooden posts (5.5x5.5"). See product images.
  • QUALITY - IP44 waterproof. Next-generation nickel-metal hydride (NiMH) battery. UV fade protected plastic. Lifelong LED. And, of course, our amazing customer service.
No. 17
4Ever Products Vinyl Mailbox Post System - Includes Black Steel Mailbox and Custom Address Plate (White)
  • CUSTOM REFLECTIVE ADDRESS PLATE: The included metal address plate is made from commercial grade aluminum and is completely weatherproof. The plate can be personalized with one, two, or three lines of customization. The first line displays the family's name up to twenty characters. The second line displays the address numbers up to five digits. The third line displays the street name up to twenty characters.
  • CURB APPEAL: Adorned with tasteful decorative features, this stylish system will add curb appeal and aesthetic value to your home’s exterior.
  • MAILBOX INCLUDED: Included with the post is a standard size black mailbox constructed from rust-resistant galvanized steel and postmaster approved.
  • EASY INSTALLATION: Our robust mailbox posts can be directly buried in concrete for easy do-it-yourself assembly. All of the screws and hardware necessary for installation are included.
  • STURDY AND DURABLE POST: Made with heavy duty commercial grade vinyl, this highly visible white mailbox post is built to last, requires no paint or maintenance, and will not yellow over time.
SaleNo. 18
ARCHITECTURAL MAILBOXES Grand Haven Plastic, Mailbox and Post Kit, Black Extra Large
  • Convenient combination includes mailbox, slip-over post sleeve, mounting and installation hardware
  • Proudly made in the USA
  • Constructed from heavy-duty, rust-proof plastic for maximum durability
  • Extra-large capacity mailbox is perfect for online shoppers, holding multiple packages alongside mail, magazines, and padded envelopes
  • Textured, powder-coated finish enhances durability and includes a UV inhibitor to prevent color fading
  • Magnetic latch ensures door stays firmly closed in between pickups
  • Post sleeve installs easily over 4x4 wooden post (sold separately)
  • Assembly required
  • Embossed spaces on front and sides accommodate address numbers up to 2-in high
  • Full, wide grip handle makes opening and closing the mailbox a breeze
No. 19
American Ground Screw U-Model - Easy-Install No-Dig Ground Anchor for Standard 4x4 Posts (Actual 3.5"x3.5") - Durable 27" Screw-in Stake for Mounting Wooden Posts
  • Effortlessly transform your outdoor space with our Easy-to-Install DIY Ground Anchoring System, designed for a wide array of projects. Whether you're setting up a new mailbox, constructing a deck, or securing garden features, our ground screws provide a reliable and straightforward solution without the need for professional help. Dive into your next outdoor project with confidence, knowing you have the ideal foundation.
  • Revolutionize your outdoor installations with our Concrete-Free Ground Anchors. Say goodbye to the time-consuming tasks of digging holes and mixing concrete. Our innovative U-Model anchors are designed for immediate use, offering a steadfast and reliable foundation for your 4x4 posts right after installation.
  • Reliably Supports 4x4 Posts: Comes with Five Lag Bolts for a Secure, Hassle-Free Setup
  • Flexible Design: Easily Remove and Relocate to Suit Your Changing Needs. The U-Model is 27" from end to end and can be installed without the need of any special tools.
  • Eco-Friendly Solution: Our ground screw eliminates the need for concrete, reducing your project's carbon footprint and supporting a greener planet
  • Durable Construction: Crafted from Hot-Dipped Galvanized Steel for Unmatched Longevity and Structural Integrity
SaleNo. 20
Weatherables 4x4 Post Caps – Weatherproof Premium Outdoor Vinyl Post Cover for Lasting Durability and Easy Installation on Vinyl Decks, Patios, Porches, or Mailbox Posts (Ball)
  • PREMIUM VINYL POST CAPS: Upgrade your mailbox, deck, or fence posts with Weatherables' 4x4 post cap. Made from high-quality PVC vinyl, it withstands outdoor conditions while adding a sleek and clean look to your outdoor space.
  • DURABLE & LONG-LASTING: Our vinyl fence post caps are moisture and UV-resistant, eliminating concerns about fading, discoloration, or warping. With this reliable outdoor post cap, you can be confident that the top of your fence post won't dry out the wood, crack, or suffer from post rot.
  • EASY TO INSTALL: The external post cap effortlessly slides onto your vinyl post without the need for nails, screws, or glue. For added security, you can apply a small amount of clear silicone (not included) to firmly hold the cap in place.
  • SIZING & COMPATIBLITY: This post cap is compatible with true 4x4 vinyl posts, sleeves, or wraps commonly found in traditional outdoor decks, mailboxes, and fencing. It accommodates maximum post dimensions of 4.025 in. x 4.025 in., while the installed cap has an overall outside dimension of 4.705 in. x 4.705 in.
  • MADE IN THE USA: Weatherables is committed to premium products and a superior customer experience. Proudly based in Ohio, all our vinyl products are reliably made in the U.S.A. and come with a limited lifetime warranty.

How to choose a good mailbox post for 4

Does the idea of finding a fantastic mailbox post for 4 make you anxious? When it comes to purchasing this product, specifically when deciding which model to select, has your head been spinning between options? You are not alone if that is the case. We are aware of the pressure involved in the purchasing process!

Your presence here indicates that you are interested in mailbox post for 4. Before choosing which product would be the best for your needs after being inundated with information, locate a reliable source with genuine selections. You can get that information from a variety of sources, including buying guides and rating websites, word-of-mouth recommendations from friends and family, online discussion forums where users can share their own experiences, product reviews that can be found all over the internet, and YouTube channels. You can only get the right product through exhaustive analysis. But you realize that’s not always simple. In order to ease your concerns, we have taken the time to develop a list of the top mailbox post for 4 products available right now. You might be wondering how we came up with the list. How was this buying guide developed?

First, we used our algorithms to gather as much reliable data as we could about these products. To verify all the data gathered, we used both artificial intelligence and a lot of algorithms.
Then, our experts used criteria that are recognized in the business to evaluate them according to their quality to price ratio, allowing us to choose the top mailbox post for 4 on the market right now!

The selection of the goods is not arbitrary. Before creating a list, we take into account a number of factors. Below are some of the criteria discussed:

Brand Value: What happens if you choose a dubious brand just because it appears to be a good deal? So the likelihood of receiving a product with a short shelf life increases. That is due to the fact that well-known brands have a reputation to uphold, while others do not. Top mailbox post for 4 brands strive to provide some distinctive traits that set them apart from the competition. So, hopefully one or more of the items on our list will be perfect for you.

Features: Useful features are all you need, not tons of them. We consider the important aspects and select the top mailbox post for 4 based on those.

Specifications: Numbers always help you measure the quality of a product in a quantitative way. We try to find products with higher specifications, but with the right balance.

Quality: A product’s quality may always be quantified with the aid of numbers. We look for goods with better standards that strike the proper balance. The best quality product that gets highly appreciated and recommended by experienced users.

Customer ratings:  Would it be accurate to suggest that the mailbox post for 4 were used by hundreds of customers before you? Superior ratings indicate that many customers had better service.

Customer Reviews: Like ratings,  provide you with accurate and reliable information about the product from genuine customers. Customer ratings are very important to all of us because they contain accurate and reliable information about the customer service we received from several hundred customers.

Seller Rank: This is very intriguing! Not only do you need a good mailbox post for 4, you also need a product with rising sales that is trendy. It accomplishes two goals. First, the expanding user base proves the quality of the product. Second, given that number, producers must be able to offer greater quality and after-sales support.

Value: You get what you pay for, they say, so consider the value. Cheap isn’t always good and expensive isn’t always bad. However, that does not imply that spending a lot of money on a product that is flashy but underwhelming is a good idea. Before adding them to the list, we make an effort to evaluate how much value you can get for your money from your mailbox post for 4.

Durability: Durability and reliability are closely related concepts. You will benefit from a strong and long-lasting mailbox post for 4 for months and years to come.

Product availability: Products come and go, and new ones replace the old ones. Most likely, a few new features and required changes were made. What use is it to use a supposedly good product if the maker no longer supports it? We make an effort to highlight products that are current and offered by one or more trustworthy sellers, if not more.

Negative Reviews: Yes, we do take that into account as well! The goods with the majority of bad reviews are filtered out and disregarded when we choose the best-rated one on the market.

These are the standards by which we selected our mailbox post for 4. Do we end our process there? Hell no. The most crucial fact about us that you should be aware of is that we regularly update our website with current and pertinent information. We have one more layer of filtration since we place the greatest importance on reader satisfaction. Please let us know if any product included here is incorrect, irrelevant, subpar, or simply out of date. We always value your opinions, and we’ll work hard to make any necessary corrections to our list in response to them.

Why should you believe us?

There are now thousands of possibilities for these products on Amazon, but choosing the best one can be difficult and time-consuming. And what mailbox post for 4 should you purchase in 2022?

This guide is the result of more than 10 years of experience in researching, testing and writing about many topics. Each member of our team is an authority in their area. We read every article we could find online and every consumer review on every retail website for seven hours. Additionally, we discovered a ton of websites that offered helpful resources, including buying tips and thorough information on mailbox post for 4.