Top Mailbox Support and Installation Posts

The best Mailbox Posts includes Mail Boss In-Ground Mounting Post [7121], Architectural Mailboxes Newbury™ Mocha Mailbox, Architectural Mailboxes Cedar Wood Mailbox Post and many others as mentioned below.

1

Mail Boss In-Ground Mounting Post [7121]

  • Heavy-duty electrogalvanized steel construction.
  • Durable powder-coated finish for weather resistance.
  • Compatible with Mail Boss locking mailboxes.
  • Includes 4 mounting bolts for easy installation.
  • Can use with wooden post for deep installations.
  • Dimensions: 43 x 4 x 4 inches.
  • Clear instructions for hassle-free setup.
  • Average Rating out of 5:
  • Price Range: $54.15
2

Architectural Mailboxes Newbury™ Mocha Mailbox

  • Seamless mailbox and post design for easy installation.
  • Durable plastic construction resists rust and corrosion.
  • UV inhibitors protect color and finish from fading.
  • Medium size accommodates daily mail and small packages.
  • USPS approved for reliable curbside delivery service.
  • Includes hardware and instructions for straightforward assembly.
  • Embossed area for easy display of house numbers.
  • Average Rating out of 5:
  • Price Range: $32.55
  • Size: ‎Medium
  • Material: Plastic
3

Architectural Mailboxes Cedar Wood Mailbox Post

  • Crafted from durable aromatic cedar wood.
  • Unique, charming rustic look with natural variations.
  • Pre-notched for easy and quick assembly.
  • Supports up to 60 lbs. evenly distributed.
  • Includes steel anchor for direct in-ground installation.
  • Compatible with most standard and large mailboxes.
  • Concrete recommended for loose soil installations.
  • Average Rating out of 5:
  • Price Range: $45.32
4

Architectural Mailboxes Stratford Mailbox & Post Kit

  • Seamless mailbox and post kit for easy installation.
  • Durable plastic construction resists rust and corrosion.
  • UV inhibitors protect color and finish from fading.
  • Medium capacity holds daily mail and small packages.
  • USPS approved for reliable curbside delivery.
  • Comes with all necessary hardware and instructions.
  • Designed and made in the USA with care.
  • Average Rating out of 5:
  • Price Range: $72.20
  • Size: ‎Medium
  • Material: Plastic
5

Mayne Newport Plus Mailbox Post (Standard Arm)

  • Weather-resistant for long-lasting outdoor use.
  • Durable construction ensures years of reliable performance.
  • Supports mailboxes weighing up to 8lbs.
  • Fits standard 4x4 posts for easy installation.
  • Fade-resistant finish maintains elegant appearance.
  • Ships in two boxes for convenient setup.
  • Backed by a 15-year limited warranty.
  • Average Rating out of 5:
  • Price Range: $98.75
  • Color: White
  • Material: Plastic
6

Architectural Mailboxes Whitley Mailbox Post

  • Constructed with premium plastic materials
  • Installs over existing 4×4 wooden post
  • Supports up to 40 lbs. evenly distributed
  • Complementary design for various mailbox styles
  • Compatible with Architectural Mailboxes codes A, B, C
  • Assembly required for installation convenience
  • Mounting hardware included for easy setup
  • Average Rating out of 5:
  • Price Range: $48.06
  • Size: ‎No Size
  • Material: Plastic
7

Architectural Mailboxes Landover Mailbox Post

  • Durable rust-resistant aluminum construction for longevity.
  • Installs easily over existing 4×4 wooden post.
  • Supports up to 60 lbs. evenly distributed weight.
  • Powder-coated finish resists weathering and fading.
  • Compatible with most mailboxes, fits Architectural Mailboxes.
  • Assembly required for installation, hardware included.
  • Easy setup with included mounting and installation hardware.
  • Average Rating out of 5:
  • Price Range: $74.18
  • Color: Black
8

Architectural Mailboxes 23" Wooden Post Insert

  • 23.5″ tall post after ground installation.
  • No digging required for easy installation.
  • Includes steel drive-in anchor for stability.
  • Made from durable wooden pine material.
  • Designed for slip over mailbox posts.
  • Compatible with medium size mailboxes.
  • Hardware and instructions included for setup.
  • Average Rating out of 5:
  • Price Range: $26.00
  • Size: ‎No Size
9

Ilyapa Modern Black Mailbox Post [43 inch]

  • Durable steel construction resists rust and corrosion.
  • 43-inch height fits standard residential mailboxes.
  • Includes two universal mounting plate brackets.
  • Compatible with new or existing 4x4 wood posts.
  • Comes with all necessary installation hardware.
  • User-friendly design for quick and easy setup.
  • Guaranteed satisfaction with quality assurance promise.
  • Average Rating out of 5:
  • Price Range: $109.99
  • Color: Black Single
10

Adoorn Heavy Duty In-Ground Mailbox Post

  • Heavy-duty in-ground mailbox post for durability.
  • Locks to prevent mail and package theft.
  • Accommodates various mail types and sizes.
  • Quick and easy installation process.
  • Enhances curb appeal with stylish design.
  • Weatherproof construction for all climates.
  • Compatible with most existing mailbox posts.
  • Average Rating out of 5:
  • Price Range: $114.99
  • Color: Black Post
  • Material: Alloy Steel
11

Architectural Mailboxes Classic Dual Access Mailbox

  • Seamless mailbox and post design for easy setup.
  • Durable double-walled plastic construction prevents rusting.
  • UV inhibitors protect color and finish from fading.
  • Medium capacity fits daily mail and small packages.
  • USPS approved for reliable curbside delivery service.
  • Includes hardware and instructions for simple assembly.
  • Effortless installation on standard 4x4 wooden posts.
  • Average Rating out of 5:
  • Price Range: $67.02
  • Color: Black
  • Material: Polycarbonate
12

Step2 Lakewood Mailbox & Post (Black/Brown)

  • LARGE INTERIOR for mail, magazines, and small packages.
  • SECURE DOOR with magnetic closure for protection.
  • WEATHER-RESISTANT design withstands all weather conditions.
  • EASY TO ASSEMBLE with simple post slide installation.
  • DURABLE double-walled plastic for long-lasting use.
  • STYLISH Black/Brown color complements any outdoor décor.
  • FLAG included for outgoing mail visibility.
  • Average Rating out of 5:
  • Price Range: $78.76
  • Color: Brown, Black
  • Material: Plastic
13

Architectural Mailboxes Coolidge Mailbox Post [7511B-10]

  • Sleek and modern in-ground mailbox post design.
  • Fluted mailbox plate enhances aesthetic appeal.
  • Durable two-part steel post for added stability.
  • Constructed with long-lasting steel and ABS materials.
  • Installation instructions and hardware included for convenience.
  • Supports mailboxes up to 13 lbs. easily.
  • Multiple mounting hole options for versatile installation.
  • Average Rating out of 5:
  • Price Range: $24.93
  • Size: ‎--
14

Architectural Mailboxes Brighton Mailbox Post (Code A)

  • Durable aluminum construction for long-lasting use.
  • Steel mounting plate for stable in-ground installation.
  • Supports mailboxes up to 100 lbs. evenly distributed.
  • Weather-resistant black powder-coated finish.
  • Compatible with Architectural Mailboxes codes A, B, C, D.
  • Easy assembly with included mounting hardware.
  • Mailbox sold separately for customizable options.
  • Average Rating out of 5:
  • Price Range: $62.53
15

Mayne White Polymer Mailbox Post [VA85753]

  • Fade resistant for long-lasting beauty.
  • Supports mailboxes weighing up to 8lbs.
  • Compatible with standard 4x4 post size.
  • Includes post, support, and planter arm.
  • Mailbox and mount not included with purchase.
  • Manufactured in the USA for quality assurance.
  • 15-year limited warranty for peace of mind.
  • Average Rating out of 5:
  • Price Range: $138.77
  • Size: ‎56.5in Tall
  • Material: Polyethylene
16

Architectural Mailboxes Drive-in Post (DPK000AM)

  • Made from durable aromatic cedar wood.
  • Unique natural wood grain variations.
  • Pre-notched pieces for quick assembly.
  • Supports up to 120 lbs. weight.
  • Includes steel anchor for easy installation.
  • Compatible with most mailboxes available.
  • Concrete recommended for loose soil installation.
  • Average Rating out of 5:
  • Price Range: $57.82
  • Size: ‎No Size
17

Architectural Mailboxes Grand Haven Mailbox Kit

  • Seamless mailbox and post kit assembly.
  • Durable double-walled plastic construction.
  • Rust-proof design for all weather conditions.
  • UV inhibitors maintain color and finish.
  • Extra large capacity for multiple deliveries.
  • USPS approved for curbside delivery.
  • Easy installation with included hardware and instructions.
  • Average Rating out of 5:
  • Price Range: $79.86
  • Color: Mocha
  • Material: Plastic
18

4Ever Products Vinyl Mailbox Post System

  • Customizable reflective address plate included.
  • Weatherproof aluminum ensures long-lasting quality.
  • Elegant design enhances your home's curb appeal.
  • Comes with a rust-resistant black mailbox.
  • Easy DIY installation with included hardware.
  • Durable vinyl post requires no maintenance.
  • Postmaster approved for reliable mailbox standards.
  • Average Rating out of 5:
  • Price Range: $219.95
  • Color: Blue
  • Material: Steel
19

Architectural Mailboxes Callaway Aluminum Post

  • Durable rust-resistant aluminum construction.
  • Supports up to 120 lbs. evenly distributed.
  • Adjustable height from 33 to 41 inches.
  • Compatible with Architectural Mailboxes codes A, B, C, D.
  • Can be installed over a 4x4 post.
  • Hardware included for easy installation.
  • Mailbox sold separately; post only included.
  • Average Rating out of 5:
  • Price Range: $110.60
  • Color: White
20

Simplay3 No-Dig Mailbox Post (Black)

  • No digging required for easy installation.
  • Supports standard mailboxes up to 10 lbs.
  • Durable, weatherproof plastic withstands harsh elements.
  • Fills with 70 lbs of dry sand for stability.
  • Adjustable height for customized mailbox placement.
  • Includes molded-in mounting plate and hardware.
  • Made in the USA with reliable customer support.
  • Average Rating out of 5:
  • Price Range: $64.99
  • Color: Black
  • Material: Plastic, Metal
21

Zippity Classica Mailbox Post [ZP19013]

  • Includes mailbox post and newspaper holder.
  • No-dig pipe anchor for easy installation.
  • Mailbox sold separately for customization.
  • Beautifully molded post cap enhances aesthetics.
  • Crafted from durable, weather-resistant vinyl.
  • Assembly required; cordless drill needed.
  • Adds curb appeal to outdoor spaces.
  • Average Rating out of 5:
  • Price Range: $125.89
  • Color: White
  • Material: Vinyl
22

Architectural Mailboxes Harrison™ Bronze Mailbox

  • Seamless mailbox and post combination for easy installation.
  • Durable plastic construction resists rust and corrosion.
  • UV inhibitors protect color and finish from fading.
  • Medium size accommodates mail, magazines, and small packages.
  • USPS approved for reliable residential mail delivery.
  • Includes hardware and instructions for simple assembly.
  • Embossed area for stylish and easy address display.
  • Average Rating out of 5:
  • Price Range: $37.21
  • Color: Venetian Bronze
  • Material: Plastic
23

Step2 Atherton Grand XL Mailbox Kit

  • Enhances curb appeal with elegant styling.
  • Crafted wood look with premium detailing.
  • Magnetic closure keeps mailbox securely closed.
  • Includes a newspaper box for convenience.
  • Easy installation over standard 4 x 4 post.
  • Extra-large interior for ample mail storage.
  • Durable resin construction withstands harsh weather.
  • Average Rating out of 5:
  • Price Range: $249.99
  • Color: Onyx Black Mail Post and Onyx Black Xl Mailbox
  • Material: Plastic
24

ARCHITECTURAL MAILBOXES Redondo Mailbox Post [7509RZ-10]

  • Corrosion-resistant galvanized steel and ABS construction.
  • Durable powder-coated rubbed bronze finish.
  • Includes all necessary mounting hardware.
  • 4 in. x 10 in. mounting hole pattern.
  • Stands 53 inches tall for visibility.
  • 3-inch diameter for sturdy support.
  • Elegant design complements various home styles.
  • Average Rating out of 5:
  • Price Range: $33.95
  • Color: Rubbed Bronze
  • Material: Alloy Steel
25

Creative Co-Op Black Tin Letter Box

  • Elegant black tin design enhances your porch decor.
  • Perfect for secure daily mail deliveries and notes.
  • Vintage style with a distressed finish adds charm.
  • Lockable larger opening ensures your items' security.
  • Small opening allows easy insertion of paper items.
  • Durable tin construction for indoor and outdoor use.
  • Compact size fits in various locations easily.
  • Average Rating out of 5:
  • Price Range: $20.81
  • Color: Black
  • Material: Tin
26

highwood Hazelton Two-Sided Mailbox Post

  • Classic double mailbox post design for curb appeal.
  • Sturdy construction for long-lasting performance.
  • Easy ground installation with included support shelf.
  • 100% made in the USA with a warranty.
  • Weather-resistant, fade-proof for durability.
  • Low maintenance; no sanding or painting needed.
  • Realistic woodgrain texture enhances visual appeal.
  • Average Rating out of 5:
  • Price Range: $197.20
  • Color: Black
  • Material: Wood
27

Architectural Mailboxes Landover Mailbox Post

  • Durable rust-resistant aluminum construction.
  • Heavy-duty galvanized steel for long-lasting strength.
  • Installs easily over existing 4x4 wooden posts.
  • Accommodates high volume mail deliveries.
  • Supports up to 60 lbs evenly distributed.
  • Glossy black powder-coated finish resists rust.
  • Compatible with Architectural Mailboxes Match codes A, B, C.
  • Average Rating out of 5:
  • Price Range: $162.04
  • Color: Black, Brushed Nickel
  • Material: Aluminum, Steel
28

Architectural Mailboxes Drive-in Post Kit

  • Constructed from durable galvanized steel for longevity.
  • Designed for easy in-ground installation in concrete.
  • Supports up to 50 lbs. evenly distributed weight.
  • Black powder-coated finish resists rust and wear.
  • Compatible with most standard size mailboxes.
  • Assembly required before in-ground installation.
  • Includes mounting and installation hardware for convenience.
  • Average Rating out of 5:
  • Price Range: $35.16
  • Size: ‎No Size
  • Material: Metal
29

Step2 Atherton Large Mailbox & Post

  • Extra large USPS T4 mail and package capacity.
  • Secure magnetic closure for added protection.
  • Weather-resistant design for all conditions.
  • Easy installation over standard 4x4 wooden post.
  • Durable double-walled plastic construction lasts years.
  • Color won’t chip, fade, crack, or peel.
  • Flag included for outgoing mail notifications.
  • Average Rating out of 5:
  • Price Range: $199.99
  • Color: Onyx Black Mail Post and Onyx Black Xl Mailbox
  • Material: Plastic
30

Architectural Mailboxes In-Ground Steel Post

  • Durable galvanized steel construction for longevity.
  • Compatible with mailboxes H & K series.
  • Designed for in-ground installation for stability.
  • Includes mounting hardware and clear instructions.
  • Commercial grade, powder-coated finish in satin black.
  • 4 in. square cross-section for added strength.
  • Accommodates standard mailbox mounting bolt patterns.
  • Average Rating out of 5:
  • Price Range: $63.65
  • Size: ‎--