double mailbox post
Worth a lookShows a thin review moat (298 avg reviews), but weak search conversion (0.6%) keeps it on the watch list.
Review moat
Great297.79avg incumbent reviews — the moat a new listing must climb
Quality gap
Great4.3★avg incumbent rating — lower means beatable quality
Returns
Great1.9%return rate — above 5% kills the launch gate
Competition
Good44%top-5 click share — leaders hold, buyers still browse
Avg price
Good$153.40avg listing price — sweet spot $15–$100
Growth
Okay+19.1%90-day search growth — must beat 0% to launch
Brand share
Okay76%top-5 brand share — brands hold most of the demand
Market size
Bad$89K$89K/yr · 102K searches
Price range
Bad$15.60–$578.72cheapest to priciest tracked listing — scored on the share inside $15–$100
Conversion
Bad0.6%search→purchase rate — share of searches ending in a sale
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
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.Peak months: May · busiest ÷ quietest = 1.9×
Top double mailbox post search terms
- double mailbox post33K/yr
- double mailbox post with 2 mailboxes22K/yr
- double mailbox21K/yr
- dual mailbox post with 2 mailboxes8K/yr
- dual mailbox post8K/yr
- dual mailbox5K/yr
- double mailboxes5K/yr
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.
All 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Ilyapa Double Mailbox Post for Outside - 43x4x4 inch Black Metal Dual Mailboxes Post for Outside with Universal Mounting Bracket Plate
Ilyapa$160.214.3★138 rev

Handy Post Double 54-in x 31-in Heavy Duty White Vinyl Mailbox Post Sleeve
Handy Post$107.774.6★163 rev

Colingmill Double Mailbox Post Heavy Duty Iron Mailbox Stand Multifunctional Yard Solution for Duplex Homes Multi Family Homes(Mailboxes Not Included)
Colingmill$112.704.3★6 rev

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$204.954.1★297 rev

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$111.012.6★4 rev
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$34.761 rev

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$146.024 rev

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$117.385 rev

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$210.63164 rev

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$205.55164 rev
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$117.383.8★

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$111.012.6★

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$146.024.2★

Double Mailbox Spreader Bar Heavy Duty Mailbox Post Mounting Bracket 19 x 7 Inch Universal Mounting Plate Compatible with Curbside Mailboxes Black
Increo$34.765.0★

Hazelton Two-Sided Mailbox Post Woodland Brown
highwood$277.654.4★
What buyers say about double mailbox post
What buyers praise and complain about, mined from review topics.What buyers love
“Good quality for the money and easy install”
“Sturdy and easy installation”
“Perfect fit”
“Good value”
“easy to put together”
“Exactly as advertised”
“It is really well made and looks great”
“Looks durable”
“Easy to put on”
“Back door mail is great”
What buyers complain about
“Very large”
“slipped through quality control”
“it's crazy to me for the price that it is already broken”
“Hard to close”
“Not easy to install”
“I'm not sure how long that will last”
“It shipped with zero instructions”
“It looked like one of the sections had been deformed slightly”
“I didn't know it was plastic”
“It has an odd design that makes it look crooked”
Top return reasons
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.