The 5 Best large mailbox mounting plates (2023 reviews)

It is important to have the well suited large mailbox mounting plate. In the following post, we will help you to select the best large mailbox mounting plates.

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Our Top Picks:

Architectural mailboxes adapter plate Buy: READ REVIEW

mail Boss large mailbox mounting plate Buy: READ REVIEW

Gibraltar mailboxes large mailbox mounting plate Buy: READ REVIEW

Architectural mailboxes large mailbox mounting plate Buy: READ REVIEW

Dunzy large mailbox mounting plate Buy: READ REVIEW

Architectural mailboxes adapter plate

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The architectural mailboxes adapter plate is the best suitable plate on the market today. This 4x4 adapter plate is designed for wooden 4x4 posts, so you would not be able to use this mounting plate. Not only does it come with the hardware to install, it fits perfectly over a 4x4 post. It is constructed of heavy gauge galvanized steel and finished with a durable powder coat. It may be top mounted, sided mounted or cantilevered.

This is the perfect stabilizer for a wooden post mount of larger mail boxes. The adapter plate is flexible in that you can mount multiple ways which makes it easy. It's solid and does the job. It is good for multiple applications.

• Easy to install, fit perfectly with 4x4 post
• Very sturdy, endless mounting options, highly recommended bracket
• Came with bolts and was pretty easy to install
• Versatile configuration for wood and steel posts

mail Boss large mailbox mounting plate

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We know from years of feedback from readers, customers and amazon sellers, what most people want in a convenient and appropriate plate. The mail boss large mailbox mounting plate is exactly that - it's a simple plate that hits all the right notes. This base plate is intended to connect to a surface mount mailbox post for mounting mailboxes into existing concrete, or sidewalks. It protects your packages like a boss. You can mount to a concrete slab or dig and place it in the ground, on the porch wherever you want this base will do it and hold. It needs to be trimmed but will support heavy, hard. It provides the advantage of replacing a damaged post in the future.

This part is intended to connect to a surface mount mailbox post for mounting mailboxes into existing concrete, or sidewalks. It provides a secure base to add to that makes a great paper weight though.

• Stout base for a stable and level mailbox
• Very very sturdy but rusts quickly
• Makes mailbox very rigid and strong

Gibraltar mailboxes large mailbox mounting plate

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The gibraltar mailboxes large mailbox mounting plate's high-end materials makes sure that it ages well with use. It comes with a metal post and it is aligned and relatively easy to install. It is sturdy and rust-proof additionally it is compatible with any gibraltar 4x4 wood or plastic post. It comes with all the mounting hardware required for installation. It has several ways to attach to it. It is allows for various options, which makes it very handy.

It is made from durable polypropylene plastic that will never rust, and the mounting board has an ultraviolet inhibitor to extend its service life. This support has some neat tricks to accommodate large mail boxes.

• Attractive, nice construction and magnetic latch
• Makes mounting the box clean and easy
• Definitely gets the job done with no hassle required

Architectural mailboxes large mailbox mounting plate

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Compared with other plate in this category, the architectural mailboxes large mailbox mounting plate has a convenient design. The Architectural Mailboxes Tri Spreader Plate is made of weather-resistant steel. It is constructed of 14 gauge steel for unparalleled resistance to the elements. It is great with the architectural mailbox oasis version and the architectural post.

• Has a false bottom, additional hardware is required
• Gauge steel and supports 3 mailboxes or drop boxes on 1 post
• Compatible with oasis, coronado, bellevue and avalon mailboxes

Dunzy large mailbox mounting plate

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Dunzy is known for creating pragmatic and minimalist plate for people on the go, and its line of dunzy large mailbox mounting plate definitely falls in line with that reputation. The mailbox bracket for wood post is mainly made of stainless steel material, strong and sturdy, not easy to rust or break, thick and long lasting, serving you for a long time. The mailbox replacement parts are compact and portable, which can be stored in your bag when you go outside to place a mailbox.

Due to the reliable stainless steel material adopted, the mailbox mounting brackets are weather proof and long lasting. There are pre drilled holes at the place where the mailbox mounting plate is connected to the pillar, but there is no hole where the plate is connected to the mailbox. It is suitable for an 8'' wide mailbox.

• Good brand reputation
• Lot of satisfied buyers