---
title: "30 Inch Sink — $292K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/tools-home-improvement/30-inch-sink"
last_updated: "2026-08-08T09:37:22.437Z"
locale: en
meta:
description: "Niche score 42/100 · $292K/yr market · 53K searches/yr · $232.90 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 42/100 · $292K/yr market · 53K searches/yr · $232.90 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "30 Inch Sink — $292K/yr Amazon US Niche (2026) - Flapen"
---
# **30 inch sink**
**Skip it**
Prices mostly outside the sweet spot ($78.72–$503.33) — this niche doesn't clear our bar today.
Market size 51Growth 24Conversion 30Competition 74Returns 13Price range 5Avg price 41Brand share 72Review moat 67Quality gap 28
**Competition**
**Good****40%**
top-5 click share — leaders hold, buyers still browse
**Brand share**
**Good****62%**
top-5 brand share — brands hold most of the demand
**Review moat**
**Good****819.38**
avg incumbent reviews — the moat a new listing must climb
**Market size**
**Good****$292K**
$292K/yr · 53K searches
**Avg price**
**Okay****$232.90**
avg listing price — sweet spot $15–$100
**Conversion**
**Okay****2.4%**
search→purchase rate — share of searches ending in a sale
**Quality gap**
**Okay****4.6★**
avg incumbent rating — lower means beatable quality
**Growth**
**Bad****-1.3%**
90-day search growth — must beat 0% to launch
**Returns**
**Bad****8.3%**
return rate — above 5% kills the launch gate
**Price range**
**Bad****$78.72–$503.33**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Signals**[** High Returns**](https://flapen.com/research/niches?market=us&signal=high_returns "Return rate > 5%") [** High Price**](https://flapen.com/research/niches?market=us&signal=high_price "Avg price > $50")
According to Flapen's Amazon United States niche tracking, 30 inch sink is a $292K/yr Amazon United States market (53K searches/yr). The top 5 brands hold 62% of demand. Demand peaks in Oct–Nov. Verdict: Skip it — 42/100.
Data updated Jul 28, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **30 inch sink market data**
- **Units sold / yr**
- **1K–1K**
- avg 0–100/product
- **Revenue / yr**
- **$233K–$291K**
- units × avg price
- **Conversion rate**
- **2.4%**
- **Avg BSR**
- **#129**
- **Page quality**
- **0%**
- **Prime**
- **94%**
- **Sponsored**
- **96%**
- **Out of stock**
- **4.6%**
- **Avg brand age**
- **38 months**
- **Avg seller age**
- **176 days**
## **Competition & brand share**
The top 5 products take 40% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**29 **▲rising
**Sellers**
**44**
**Top-5 brand share**
**62%**
Top 20: 95%
**Top-5 click share**
**40%**
Top 20: 77%
**Open market**
**33%**
- Kraus32% - SANYCASA10% - Couoko7% - Oxwiser7% - Delironexu5% - Ruvati5%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -1.3% search growth over the last 90 days.
2K2KSpike '24Holiday '24Spike '25Prime Day '25Black Friday '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Oct, Nov · busiest ÷ quietest = 1.7×
[**Open Trend **](https://flapen.com/research/us/tools-home-improvement/30-inch-sink/trend)
## **Top 30 inch sink search terms**
- **30 inch undermount kitchen sink**19K/yr+0.3%2.0% conv. - **30 undermount kitchen sink**11K/yr+7.9%2.1% conv. - **undermount kitchen sink 30 inch**5K/yr+1.3%1.3% conv. - **32 inch undermount kitchen sink**5K/yr-3.6%1.0% conv. - **kraus workstation sink**5K/yr-5.5%1.4% conv. - **30 sink undermount**3K/yr-1.0%2.3% conv. - **30 kitchen sink undermount**3K/yr+9.9%2.7% conv. - **kraus 32 inch undermount kitchen sink**2K/yr-75.4%9.5% conv. [**All search terms **](https://flapen.com/research/us/tools-home-improvement/30-inch-sink/search-terms)
## **Top 30 inch sink 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%$9K6%$18K9%$26K12%$35K1101001K10K Reviews — right = deep review moatMarket 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.
### **Top sellers**
by 90-day click share
[1**KRAUS Standart Pro 30 -inch Undermount Single Bowl 16 Gauge Stainless Steel Kitchen Sink KHU100-30**Kraus**$297.88**4.6★6,662 rev](https://www.amazon.com/dp/B0032BYM4Y) [2**SANYCASA 30 Inch Undermount Kitchen Sink Superior Drain Kitchen Sinks 11 Gauge (3mm) Stainless Steel Single Bowl Integrated Ledge Multifunctional Workstation Set -**SANYCASA**$186.20**4.4★332 rev](https://www.amazon.com/dp/B0CC1B8FNF) [3**KRAUS Kore 32-Inch Undermount Workstation 16 Gauge Single Bowl Stainless Steel Kitchen Sink with Accessories KWU110-32**Kraus**$378.67**4.6★3,651 rev](https://www.amazon.com/dp/B07S2DX7J9) [4**KRAUS Kore Workstation 30-inch Undermount 16 Gauge Stainless Steel Kitchen Sink Single Bowl Kitchen Sink with Accessories KWU110-30**Kraus**$396.70**4.6★3,651 rev](https://www.amazon.com/dp/B07RZ9KJM9) [5**Couoko 30 Inch Undermount Stainless Steel Kitchen Sink**Couoko**$166.90**4.6★69 rev](https://www.amazon.com/dp/B0F42HGLCF)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**32 Inch Undermount Kitchen Sink Banaapp 32x18 Kitchen Sink Undermount Single Bowl Undermount Sink 18 Gauge 304 Stainless Steel Kitchen Sink with Accessories**banaapp**$116.57**26 rev2mo ago](https://www.amazon.com/dp/B0GR8HKH44) [**30 Inch Undermount Kitchen Sink Stainless Steel Single Bowl Flush Rim 2.0cm Edge & 1.0mm Wall Brushed Finish with Bottom Grid and Drain Included**MilleLoom**$78.72**2 rev3mo ago](https://www.amazon.com/dp/B0GX95BDPS) [**30 Inch Undermount Kitchen Sink 16 Gauge Stainless Steel Ledge Workstation Sink Round Corners Deep Single Bowl Kitchen Sinks with Accessories 30x19x10**Oxwiser**$187.57**88 rev10mo ago](https://www.amazon.com/dp/B0FHVDP5F3) [**30 Inch Drop In Kitchen Sink Stainless Steel Single Bowl Undermount Kitchen Sinks with Faucet Large Single Bowl Farmhouse Workstation Sinks (Black 3018) (Black 30 * 18in)**QuietBoy**$156.65**35 rev10mo ago](https://www.amazon.com/dp/B0FPR73YDF) [**Suncano 30 Inch Undermount Kitchen Sink Workstation Stainless Steel Handmade 10Deep Large Single Bowl Undermount Sink 30x19 with Accessories (Brushed)**suncano**$240.56**85 rev1y ago](https://www.amazon.com/dp/B0F8ND1F55)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**32 Inch Undermount Kitchen Sink Banaapp 32x18 Kitchen Sink Undermount Single Bowl Undermount Sink 18 Gauge 304 Stainless Steel Kitchen Sink with Accessories**banaapp**$116.57**5.0★**▲ 300%**](https://www.amazon.com/dp/B0GR8HKH44) [**30 Inch Undermount Kitchen Sink Stainless Steel Single Bowl Flush Rim 2.0cm Edge & 1.0mm Wall Brushed Finish with Bottom Grid and Drain Included**MilleLoom**$78.72**5.0★**▲ 288%**](https://www.amazon.com/dp/B0GX95BDPS) [**30 Inch Undermount Sink Stainless Steel Undermount Kitchen Sink Workstation**Frsmvati**$192.63**4.4★**▲ 118%**](https://www.amazon.com/dp/B0F2THP59S) [**30 Inch Drop In Kitchen Sink Stainless Steel Single Bowl Undermount Kitchen Sinks with Faucet Large Single Bowl Farmhouse Workstation Sinks (Black 3018) (Black 30 * 18in)**QuietBoy**$156.65**3.7★**▲ 70%**](https://www.amazon.com/dp/B0FPR73YDF) [**Couoko 30 Inch Undermount Stainless Steel Kitchen Sink**Couoko**$166.90**4.6★**▲ 56%**](https://www.amazon.com/dp/B0F42HGLCF)
**~~View all trending →~~**
## **What buyers say about 30 inch sink**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**25%
*“Excellent quality”*
**Value For Money**9%
*“Amazing value”*
**Size-Overall**7%
*“Perfect fit”*
**Design-Overall**6%
*“It looks nice”*
**Assembly/Installation**6%
*“had no problem installing”*
**Ease Of Cleaning**5%
*“Easy to clean”*
**Durability**4%
*“Its very durable”*
**Weight Heavy**3%
*“Heavy duty”*
**Strength**3%
*“Very sturdy”*
**Add-Ons/Attachments**3%
*“Accessories are wonderful”*
### **What buyers complain about **
**Rusts/Corrodes**16%
*“Small rust spots after a year”*
**Ease Of Cleaning**13%
*“Impossible to clean”*
**Drainage**11%
*“Slow to drain”*
**Quality-Overall**6%
*“Quality is poor”*
**Ease Of Use**5%
*“however I am having difficulty with it”*
**Assembly/Installation**4%
*“within 3.5 seconds he vetoed the installation”*
**Material Quality**4%
*“feels like cheap plastic”*
**Size-Overall**3%
*“The accessories do not fit”*
**Value For Money**3%
*“the faucet you get is cheap”*
**Defective Material/Parts**2%
*“Useful product, defective accessories”*
### **Top return reasons **
**Size-Overall**66%
**Value For Money**7%
**Advertised Vs Actual Product**5%
**Defective Material/Parts**4%
**Drainage**3%
**Color**3%
**Material Quality**2%
**Assembly/Installation**2%
**Quality-Overall**1%
**Product Condition**1%
## **Common questions**
- **Is 30 inch sink profitable to sell on Amazon United States?**
- The niche generates $292K/yr across 52 tracked products. 5 of 8 products launched in the last 360 days are still selling. 90-day search growth is -1.3%. Flapen's verdict: Skip it (42/100).
- **How competitive is the 30 inch sink niche?**
- 29 brands and 44 sellers compete. The top 5 products take 40% of clicks and top 5 brands hold 62% of demand.
- **What do buyers complain about in 30 inch sink?**
- Top complaints mined from reviews: Rusts/Corrodes, Ease Of Cleaning, Drainage. The return rate is 8.3% — above our launch gate.
- **When does demand for 30 inch sink peak?**
- Demand peaks in Oct–Nov; the busiest month runs 1.7× the quietest.
- **What does it cost to enter the 30 inch sink niche?**
- Listings span $78.72–$503.33; the average listing price is $232.90 (sweet spot $15–$100). The average incumbent carries 819 reviews — the moat a new listing must climb.
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