Skip to content
71

gutter downspout extensions

Launch it

A $2.0M/yr market growing +54.9% this quarter with returns at 2.3% — clears our launch bar.

Market size 95Growth 72Conversion 41Competition 75Returns 69Price range 76Avg price 94Brand share 52Review moat 50Quality gap 76

Market size

Incredible$2.0M

$2.0M/yr · 2.8M searches

Avg price

Great$22.46

avg listing price — sweet spot $15–$100

Quality gap

Great4.3★

avg incumbent rating — lower means beatable quality

Price range

Great$9.44–$33.27

cheapest to priciest tracked listing — scored on the share inside $15–$100

Competition

Great40%

top-5 click share — an open shelf

Growth

Good+54.9%

90-day search growth — must beat 0% to launch

Returns

Good2.3%

return rate — above 5% kills the launch gate

Brand share

Good74%

top-5 brand share — brands hold most of the demand

Review moat

Okay1,501.23

avg incumbent reviews — the moat a new listing must climb

Conversion

Okay3.2%

search→purchase rate — share of searches ending in a sale

According to Flapen's Amazon United States niche tracking, gutter downspout extensions is a $2.0M/yr Amazon United States market (2.8M searches/yr). The top 5 brands hold 74% of demand. Demand peaks in Apr–May–Jun–Jul. Verdict: Launch it — 71/100.

Data updated Jul 27, 2026 · scored weekly · How we score niches

gutter downspout extensions market data

Units sold / yr
80K–100K
avg 1,500–2,000/product
Revenue / yr
$1.8M–$2.2M
units × avg price
Conversion rate
3.2%
Avg BSR
#77
Page quality
0%
Prime
100%
Sponsored
98%
Out of stock
0.0%
Avg brand age
41 months
Avg seller age
156 days

Competition & brand share

Clicks spread well past the top 5 (40% combined) — an open shelf where new products get seen.

Brands

16 falling

Sellers

62

Top-5 brand share

74%

Top 20: 100%

Top-5 click share

40%

Top 20: 80%

Open market

22%

  • plusgutter35%
  • FEILAYDUN15%
  • Prestantious13%
  • YOTODY6%
  • Rodnsurw5%
  • Suncast4%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +54.9% search growth over the last 90 days.
80K60KSpike '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Apr, May, Jun, Jul · busiest ÷ quietest = 3.5×

Top gutter downspout extensions search terms

  • gutter downspout extensions731K/yr
  • downspout extension371K/yr
  • downspout diverter172K/yr
  • gutter208K/yr
  • gutter extension118K/yr
  • gutter downspout108K/yr
  • gutters108K/yr
  • down spout drain extension93K/yr
  • downspout84K/yr
  • rain gutter downspout extension84K/yr
All search terms

Top gutter downspout extensions 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%4%$81K8%$161K12%$242K16%$322K1001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 24 tracked products in this niche — three views at once, no toggling.

What buyers say about gutter downspout extensions

What buyers praise and complain about, mined from review topics.

What buyers love

Advertised Vs Actual Product16%

“As Advertised”

Quality-Overall15%

“Good quality, easy to install”

Assembly/Installation15%

“Easy enough to install”

Size-Overall8%

“Fit great”

Value For Money6%

“Great Value”

Design-Overall4%

“Good Design”

Strength3%

“Seems sturdy”

Efficiency3%

“Gets the job done”

Durability3%

“It was durable”

Ease Of Use3%

“Ease of use”

What buyers complain about

Durability22%

“Cracks easily”

Quality-Overall11%

“Not very well made”

Size-Overall7%

“Did not fit”

Functionality-Overall5%

“Works just ducky”

Strength4%

“not strong”

Add-Ons/Attachments4%

“It's difficult to keep the hose attached”

Assembly/Installation4%

“Impossible for me to assemble”

Material Quality3%

“Cheap material”

Leak-Proof3%

“These are leaking everywhere”

Connectivity-Overall3%

“Very hard to connect”

Top return reasons

Size-Overall40%
Add-Ons/Attachments13%
Color6%
Functionality-Overall5%
Defective Material/Parts5%
Material Quality4%
Advertised Vs Actual Product4%
Compatibility-Overall4%
Value For Money4%
Connectivity-Overall2%

Common questions

Is gutter downspout extensions profitable to sell on Amazon United States?
The niche generates $2.0M/yr across 40 tracked products. 3 of 3 products launched in the last 360 days are still selling. 90-day search growth is +54.9%. Flapen's verdict: Launch it (71/100).
How competitive is the gutter downspout extensions niche?
16 brands and 62 sellers compete. The top 5 products take 40% of clicks and top 5 brands hold 74% of demand.
What do buyers complain about in gutter downspout extensions?
Top complaints mined from reviews: Durability, Quality-Overall, Size-Overall. The return rate is 2.3%.
When does demand for gutter downspout extensions peak?
Demand peaks in Apr–May–Jun–Jul; the busiest month runs 3.5× the quietest.
What does it cost to enter the gutter downspout extensions niche?
Listings span $9.44–$33.27; the average listing price is $22.46 (sweet spot $15–$100). The average incumbent carries 1,501 reviews — the moat a new listing must climb.