---
title: "Double Mailbox Post — $89K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/tools-home-improvement/double-mailbox-post"
last_updated: "2026-08-06T05:01:17.909Z"
locale: en
meta:
description: "Niche score 50/100 · $89K/yr market · 102K searches/yr · $153.40 avg price. Weak search conversion (0.6%) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 50/100 · $89K/yr market · 102K searches/yr · $153.40 avg price. Weak search conversion (0.6%) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Double Mailbox Post — $89K/yr Amazon US Niche (2026) - Flapen"
---
# **double mailbox post**
**Worth a look**
Shows a thin review moat (298 avg reviews), but weak search conversion (0.6%) keeps it on the watch list.
Market size 22Growth 49Conversion 7Competition 69Returns 77Price range 15Avg price 57Brand share 48Review moat 85Quality gap 78
**Review moat**
**Great****297.79**
avg incumbent reviews — the moat a new listing must climb
**Quality gap**
**Great****4.3★**
avg incumbent rating — lower means beatable quality
**Returns**
**Great****1.9%**
return rate — above 5% kills the launch gate
**Competition**
**Good****44%**
top-5 click share — leaders hold, buyers still browse
**Avg price**
**Good****$153.40**
avg listing price — sweet spot $15–$100
**Growth**
**Okay****+19.1%**
90-day search growth — must beat 0% to launch
**Brand share**
**Okay****76%**
top-5 brand share — brands hold most of the demand
**Market size**
**Bad****$89K**
$89K/yr · 102K searches
**Price range**
**Bad****$15.60–$578.72**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Conversion**
**Bad****0.6%**
search→purchase rate — share of searches ending in a sale
**Signals**[** High Price**](https://flapen.com/research/niches?market=us&signal=high_price "Avg price > $50")
According to Flapen's Amazon United States niche tracking, double mailbox post is a $89K/yr Amazon United States market (102K searches/yr). The top 5 brands hold 76% of demand. Demand peaks in May. Verdict: Worth a look — 50/100.
Data updated Jul 27, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **double mailbox post market data**
- **Units sold / yr**
- **500–750**
- avg 0–100/product
- **Revenue / yr**
- **$77K–$115K**
- units × avg price
- **Conversion rate**
- **0.6%**
- **Avg BSR**
- **#70**
- **Page quality**
- **0%**
- **Prime**
- **79%**
- **Sponsored**
- **69%**
- **Out of stock**
- **10.3%**
- **Avg brand age**
- **54 months**
- **Avg seller age**
- **154 days**
## **Competition & brand share**
The top 5 products take 44% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**14 **▲rising
**Sellers**
**49**
**Top-5 brand share**
**76%**
Top 20: 100%
**Top-5 click share**
**44%**
Top 20: 90%
**Open market**
**17%**
- Ilyapa23% - Colingmill17% - Mayne15% - Handy Post14% - OKBA7% - Novabright7% - Open — no brand owns it (8 brands, 17%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +19.1% search growth over the last 90 days.
3K2KSpike '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: May · busiest ÷ quietest = 1.9×
[**Open Trend **](https://flapen.com/research/us/tools-home-improvement/double-mailbox-post/trend)
## **Top double mailbox post search terms**
- **double mailbox post**33K/yr+22.7%0.7% conv. - **double mailbox post with 2 mailboxes**22K/yr+29.4%0.5% conv. - **double mailbox**21K/yr+10.8%0.6% conv. - **dual mailbox post with 2 mailboxes**8K/yr+1.4%0.6% conv. - **dual mailbox post**8K/yr+27.6%1.1% conv. - **dual mailbox**5K/yr+10.9%0.3% conv. - **double mailboxes**5K/yr+20.6%0.1% conv. [**All search terms **](https://flapen.com/research/us/tools-home-improvement/double-mailbox-post/search-terms)
## **Top double mailbox post products on Amazon**
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
0%3%$3K6%$5K9%$8K12%$11K1101001K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)1 product missing review or click data not plotted
All 24 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Ilyapa Double Mailbox Post for Outside - 43x4x4 inch Black Metal Dual Mailboxes Post for Outside with Universal Mounting Bracket Plate**Ilyapa**$160.21**4.3★138 rev](https://www.amazon.com/dp/B0D6SYXGNG) [2**Handy Post Double 54-in x 31-in Heavy Duty White Vinyl Mailbox Post Sleeve**Handy Post**$107.77**4.6★163 rev](https://www.amazon.com/dp/B01LWO4P0E) [3**Colingmill Double Mailbox Post Heavy Duty Iron Mailbox Stand Multifunctional Yard Solution for Duplex Homes Multi Family Homes(Mailboxes Not Included)**Colingmill**$112.70**4.3★6 rev](https://www.amazon.com/dp/B0G42HGSYV) [4**Mayne Rockport Double Arm Mail Post - Black - 18in L x 23in W x 56.5in H - Standard Post 2x Paper Holder Arms (5811-B)**Mayne**$204.95**4.1★297 rev](https://www.amazon.com/dp/B00191PTWS) [5**Novabright 66in Double Mailbox Post for Outside Heavy Duty Galvanized Steel Mailbox Mount Fits Two Standard Mailboxes Weather Resistant Metal Sleeve for 4x4 Wood Post Black**Novabright**$111.01**2.6★4 rev](https://www.amazon.com/dp/B0GL7ZZ8ST)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Double Mailbox Spreader Bar Heavy Duty Mailbox Post Mounting Bracket 19 x 7 Inch Universal Mounting Plate Compatible with Curbside Mailboxes Black**Increo**$34.76**1 rev3mo ago](https://www.amazon.com/dp/B0GVHGNWQD) [**Colingmill Double Iron Mailbox Post with Planter Box for Outside 65.35 x 4 x 4 Inch Black Steel Mount for 2 Mailboxes Heavy Duty Architectural Stand with Brackets (Mailbox Not Included)**Colingmill**$146.02**4 rev4mo ago](https://www.amazon.com/dp/B0GSY7S1YP) [**Colingmill Double Mailbox Post for Outside 43 x 3.9 x 3.9 Inch Galvanized Steel Heavy Duty Post for 2 Mailboxes Weather-Resistant and Mountable Black Stand for Homes(Mailbox Not Included)**Colingmill**$117.38**5 rev4mo ago](https://www.amazon.com/dp/B0GSFZ5V97) [**Ilyapa Black Double Mailbox Post Mount Mailboxes for Outside- Two Sided Mail Box for 2 Houses with Standard Single Mounting Door Numbering Kit Outdoor All Weather with Magnetic Doors**Ilyapa**$210.63**164 rev5mo ago](https://www.amazon.com/dp/B0FH5KSP1K) [**Ilyapa Black Double Mailbox Post Mount Mailboxes for Outside- Two Sided Mail Box for 2 Houses with Standard Single Mounting Door Numbering Kit Outdoor All Weather with Magnetic Doors**Ilyapa**$205.55**164 rev5mo ago](https://www.amazon.com/dp/B0FH5LFYWV)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Colingmill Double Mailbox Post for Outside 43 x 3.9 x 3.9 Inch Galvanized Steel Heavy Duty Post for 2 Mailboxes Weather-Resistant and Mountable Black Stand for Homes(Mailbox Not Included)**Colingmill**$117.38**3.8★**▲ 178%**](https://www.amazon.com/dp/B0GSFZ5V97) [**Novabright 66in Double Mailbox Post for Outside Heavy Duty Galvanized Steel Mailbox Mount Fits Two Standard Mailboxes Weather Resistant Metal Sleeve for 4x4 Wood Post Black**Novabright**$111.01**2.6★**▲ 177%**](https://www.amazon.com/dp/B0GL7ZZ8ST) [**Colingmill Double Iron Mailbox Post with Planter Box for Outside 65.35 x 4 x 4 Inch Black Steel Mount for 2 Mailboxes Heavy Duty Architectural Stand with Brackets (Mailbox Not Included)**Colingmill**$146.02**4.2★**▲ 177%**](https://www.amazon.com/dp/B0GSY7S1YP) [**Double Mailbox Spreader Bar Heavy Duty Mailbox Post Mounting Bracket 19 x 7 Inch Universal Mounting Plate Compatible with Curbside Mailboxes Black**Increo**$34.76**5.0★**▲ 174%**](https://www.amazon.com/dp/B0GVHGNWQD) [**Hazelton Two-Sided Mailbox Post Woodland Brown**highwood**$277.65**4.4★**▲ 165%**](https://www.amazon.com/dp/B0G3YHLZJX)
**~~View all trending →~~**
## **What buyers say about double mailbox post**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**15%
*“Good quality for the money and easy install”*
**Strength**14%
*“Sturdy and easy installation”*
**Size-Overall**14%
*“Perfect fit”*
**Value For Money**12%
*“Good value”*
**Assembly/Installation**11%
*“easy to put together”*
**Advertised Vs Actual Product**6%
*“Exactly as advertised”*
**Design-Overall**3%
*“It is really well made and looks great”*
**Durability**3%
*“Looks durable”*
**Ease Of Use**3%
*“Easy to put on”*
**Efficiency**2%
*“Back door mail is great”*
### **What buyers complain about **
**Size-Overall**13%
*“Very large”*
**Quality-Overall**13%
*“slipped through quality control”*
**Value For Money**6%
*“it's crazy to me for the price that it is already broken”*
**Ease Of Use**6%
*“Hard to close”*
**Assembly/Installation**6%
*“Not easy to install”*
**Durability**5%
*“I'm not sure how long that will last”*
**Instructions/User Manual/Troubleshooting**4%
*“It shipped with zero instructions”*
**Strength**4%
*“It looked like one of the sections had been deformed slightly”*
**Material Quality**3%
*“I didn't know it was plastic”*
**Design-Overall**3%
*“It has an odd design that makes it look crooked”*
### **Top return reasons **
**Size-Overall**52%
**Material Quality**7%
**Advertised Vs Actual Product**5%
**Defective Material/Parts**5%
**Functionality-Overall**4%
**Locking Mechanism**3%
**Value For Money**3%
**Mounting**3%
**Compatibility-Overall**2%
**Instructions/User Manual/Troubleshooting**2%
## **Common questions**
- **Is double mailbox post profitable to sell on Amazon United States?**
- The niche generates $89K/yr across 29 tracked products. 3 of 14 products launched in the last 360 days are still selling. 90-day search growth is +19.1%. Flapen's verdict: Worth a look (50/100).
- **How competitive is the double mailbox post niche?**
- 14 brands and 49 sellers compete. The top 5 products take 44% of clicks and top 5 brands hold 76% of demand.
- **What do buyers complain about in double mailbox post?**
- Top complaints mined from reviews: Size-Overall, Quality-Overall, Value For Money. The return rate is 1.9%.
- **When does demand for double mailbox post peak?**
- Demand peaks in May; the busiest month runs 1.9× the quietest.
- **What does it cost to enter the double mailbox post niche?**
- Listings span $15.60–$578.72; the average listing price is $153.40 (sweet spot $15–$100). The average incumbent carries 298 reviews — the moat a new listing must climb.
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