4x4 Post Base Market Report: Sales Volume, Market Share, Leading Brands & Market Trends
4x4 Post Base sales on Amazon US totaled 6,250 units in July 2026 (▼ 25.6% vs. the prior month), generating an estimated $300,112 in revenue across the 50 top-ranked ASINs for this search term. Demand is heavily concentrated at the top of the ranking — the ten best performers capture 52.8% of unit volume and 50.4% of revenue, while a typical listing is priced at $45.24. The keyword itself pulled 24,415 Amazon queries over the same period (▲ 3.3% MoM).
Zooming out to the 12-month window ending July 2026, the 4x4 post base Top 50 moved 53,600 units and $2,656,069 in cumulative sales — an average of 4,467 units and $221,339 per month. Monthly throughput topped out at 8,400 units in June 2026 and dipped to 1,400 in December 2025, leaving the latest reading 6.8% higher than August 2025.
4x4 Post Base Sales Trend (Trailing 12 Months)
Based on the top 50 ASINs by monthly sales for this keyword
2025/08
2025/09
2025/10
2025/11
2025/12
2026/01
2026/02
2026/03
2026/04
2026/05
2026/06
2026/07
Monthly Sales 2026/07
6.3K
▼ 25.6% MoM
Monthly Revenue 2026/07
$300.1K
▼ 26.6% MoM
Top 10 Market Share 2026/07
52.8%
4x4 Post Base Market Share & Sales Concentration on Amazon US — July 2026
The most-sold 4x4 post base listing on Amazon US in July 2026 is ASIN B07L3CBZJK (Brand: MOFEEZ), which sold 500 units at $54.99 apiece — equal to 8.0% of every unit tracked in this report.
The Top 10 ASINs account for 3,300 units and $151,153 in July 2026 — 52.8% of unit volume and 50.4% of revenue among all 50 ranked ASINs in this report.
Sales Volume of Top ASINs for '4x4 Post Base' on Amazon
July 2026









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Top 5 Volume Share breakdown

B07L3CBZJK
Mofeez Outdoor 4x4 Compound Angle Brackets for Deer Stand Hunting Blinds Shooting Shack (Set of 4)
500
▲ 66.7%vs. prior month
$26.1K
latest month
12-month trend

B0CG6GFD1M
33.62" Fence Post Repair Kit, Fix Broken 4x4/6x6 Wood Post 2Pack | Heavy Duty Anchor Ground Stakes, Thickened 11-Gauge, Heavier at 5.47lb, One-Piece, MUSE Award, Easy Install, Powerful Support
500
▼ 16.7%vs. prior month
$29.3K
latest month
12-month trend

B0BGXT52DG
4x4 Post Base 4 Pcs, (Inner Size 3.6x3.6) Post Anchors, 13GA Thick Solid Steel & Black Powder Coated,Deck Post Brackets Support Deck Base Plate Pergola Brackets Fence Kit Mailbox Mount | 13GA Thick Solid Steel & Black Powder Coated|Deck Post Brackets Support Deck Base Plate|Pergola Bracket|Fence|Mailbox Mount
400
▼ 50.0%vs. prior month
$16K
latest month
12-month trend

B0BN9PBPKK
4x4 Post Base 8 Pcs, (Inner Size 3.6x3.6) Post Anchors, 13GA Thick Solid Steel & Black Powder Coated,Deck Post Brackets Support Deck Base Plate Pergola Brackets Fence Kit Mailbox Mount… | 13GA Thick Solid Steel & Black Powder Coated|Deck Post Brackets Support Deck Base Plate|Pergola Bracket|Fence|Mailbox Mount
400
▼ 42.9%vs. prior month
$28K
latest month
12-month trend

B0BGXQXWY6
4"x 4" Post Base 2 Pcs|(Inner Size 3.6x3.6) Post Anchors| | 13GA Thick Solid Steel & Black Powder Coated|Deck Post Brackets Support Deck Base Plate|Pergola brackets|Fences|Mailbox Mount
300
▼ 40.0%vs. prior month
$8.4K
latest month
12-month trend

B0BJNKXSQQ
4 Pcs 4"× 4" Post Base (Inner Size 3.6"x3.6") Post Brackets | Heavy Duty 13-GA Thick Steel Post Anchor Outdoor for Support Deck Base Plate|Pergola Brackets|Fence|Mailbox Mount
300
▼ 40.0%vs. prior month
$10.5K
latest month
12-month trend
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Best 4x4 Post Base Brands on Amazon US — Top 3 Brand Sales Concentration (July 2026)
AXWHYS is the best-performing 4x4 post base brand in July 2026, moving 1,400 units across 4 ASINs for 42.4% of Top 10 volume. MOFEEZ follows with 500 units (15.2%), ahead of arksoldier on 500 units (15.2%).
With 7 brands splitting the Top 10 and 72.7% of volume sitting with three of them, this is a concentrated shelf — the leaders hold multiple listings or one very high-velocity ASIN, so a new entrant competes against established review moats rather than an open field. Average selling prices among the leaders run from $43.24 to $59.90, which frames the price band a competing listing has to justify.
Brand share of Top 10 volume
AXWHYS
4 ASINs in Top 10
42.4%
Units
1.4K
Revenue
$62.9K
Avg. price
$43.24

B0BGXT52DG
$39.99·★4.6·985 revs4x4 Post Base 4 Pcs, (Inner Size 3.6x3.6) Post Anchors, 13GA Thick Solid Steel & Black Powder Coated,Deck Post Brackets Support Deck Base Plate Pergola Brackets Fence Kit Mailbox Mount | 13GA Thick Solid Steel & Black Powder Coated|Deck Post Brackets Support Deck Base Plate|Pergola Bracket|Fence|Mailbox Mount
Units sold400
B0BN9PBPKK
$69.99·★4.6·983 revs4x4 Post Base 8 Pcs, (Inner Size 3.6x3.6) Post Anchors, 13GA Thick Solid Steel & Black Powder Coated,Deck Post Brackets Support Deck Base Plate Pergola Brackets Fence Kit Mailbox Mount… | 13GA Thick Solid Steel & Black Powder Coated|Deck Post Brackets Support Deck Base Plate|Pergola Bracket|Fence|Mailbox Mount
Units sold400
B0BGXQXWY6
$27.99·★4.6·985 revs4"x 4" Post Base 2 Pcs|(Inner Size 3.6x3.6) Post Anchors| | 13GA Thick Solid Steel & Black Powder Coated|Deck Post Brackets Support Deck Base Plate|Pergola brackets|Fences|Mailbox Mount
Units sold300
B0BJNKXSQQ
$34.99·★4.6·711 revs4 Pcs 4"× 4" Post Base (Inner Size 3.6"x3.6") Post Brackets | Heavy Duty 13-GA Thick Steel Post Anchor Outdoor for Support Deck Base Plate|Pergola Brackets|Fence|Mailbox Mount
Units sold300
MOFEEZ
1 ASIN in Top 10
15.2%
Units
500
Revenue
$26.1K
Avg. price
$54.99

B07L3CBZJK
$54.99·★4.8·1.8K revsMofeez Outdoor 4x4 Compound Angle Brackets for Deer Stand Hunting Blinds Shooting Shack (Set of 4)
Units sold500
arksoldier
1 ASIN in Top 10
15.2%
Units
500
Revenue
$29.3K
Avg. price
$59.90

B0CG6GFD1M
$59.90·★4.4·729 revs33.62" Fence Post Repair Kit, Fix Broken 4x4/6x6 Wood Post 2Pack | Heavy Duty Anchor Ground Stakes, Thickened 11-Gauge, Heavier at 5.47lb, One-Piece, MUSE Award, Easy Install, Powerful Support
Units sold500
Trending 4x4 Post Base Products — Growth Leaders & New Top 10 Entrants
Based on July 2026 data, this shortlist surfaces the two kinds of ASIN worth keeping an eye on — the ones that just broke into the Top 10, and the ones growing fastest month over month. Specifically, 2 ASINs forced its way in: B095S3W9J2 booked 200 units at $27.99, with ▲ 0.0% MoM change. On the growth side, B0D478F9H8 leads positive momentum with ▲ 100.0% MoM growth on 200 units.
The two signals carry different weight. A fresh entrant means share has already changed hands — an incumbent gave up its place to make room, so any competitive set drawn up a month ago is now out of date. A steep growth rate works as the earlier warning: it marks demand that is still compounding, usually a month or two before the ranking catches up to it.

B095S3W9J2
SPACEEUP 4x4 Post Base 2 Pcs, Inner Size 3.6"x3.6" Deck Post Base, Heavy Duty Powder-Coated Post Anchor Black Wood Post Brackets for Decking Porch Railing Support
Price
$27.99
Rating
4.6
Reviews
277
Latest month sales

B0DHRTL3Q8
4x4 Post Base 2PC-Inner Size 3.6x3.6-Metal Post Brackets-Deck Post Anchors-Solid Steel-Powder Coated-Wood Post Holder for Porch Handrail Railing Pergola Fence Pavilion-Support Deck Base
Price
$18.99
Rating
4.4
Reviews
166
Latest month sales

B0D478F9H8
VEVOR Fence Post Anchor, 8 Pack 4 x 4 Inches Outer Diameter (Inner Diameter 3.5 x3.5 Inches) Ground Spike 24", Metal Black Powder Coated Post Stake Ground, for Mailbox Deck Garden Railing
Unlock to view ASIN details and product titles
Price
$71.99
Rating
4.5
Reviews
307
Latest month sales
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