---
title: "Water Alarm — $945K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/tools-home-improvement/water-alarm"
last_updated: "2026-08-08T10:19:45.467Z"
locale: en
meta:
  description: "Niche score 55/100 · $945K/yr market · 386K searches/yr · $30.86 avg price. Soft demand (-6.1% this quarter) keeps it on the watch list. Data updated Jul 2026."
  "og:description": "Niche score 55/100 · $945K/yr market · 386K searches/yr · $30.86 avg price. Soft demand (-6.1% this quarter) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "Water Alarm — $945K/yr Amazon US Niche (2026) - Flapen"
---

# **water alarm**

**Worth a look**

Shows a sweet-spot price point ($30.86 avg), but soft demand (-6.1% this quarter) keeps it on the watch list.

Market size 77Growth 22Conversion 79Competition 40Returns 63Price range 87Avg price 95Brand share 46Review moat 47Quality gap 37

**Avg price**

**Incredible****$30.86**

avg listing price — sweet spot $15–$100

**Price range**

**Great****$10.15–$59.48**

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

**Conversion**

**Great****7.9%**

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

**Market size**

**Great****$945K**

$945K/yr · 386K searches

**Returns**

**Good****2.5%**

return rate — above 5% kills the launch gate

**Review moat**

**Okay****1,780.29**

avg incumbent reviews — the moat a new listing must climb

**Brand share**

**Okay****77%**

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

**Competition**

**Okay****61%**

top-5 click share — leaders hold, buyers still browse

**Quality gap**

**Okay****4.5★**

avg incumbent rating — lower means beatable quality

**Growth**

**Bad****-6.1%**

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

According to Flapen's Amazon United States niche tracking, water alarm is a $945K/yr Amazon United States market (386K searches/yr). The top 5 brands hold 77% of demand. Verdict: Worth a look — 55/100.

Data updated Jul 30, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)

## **water alarm market data**

<dl>

<dt>**Units sold / yr**</dt><dd>**30K–40K**</dd><dd>avg 1,500–2,000/product</dd>

<dt>**Revenue / yr**</dt><dd>**$926K–$1.2M**</dd><dd>units × avg price</dd>

<dt>**Conversion rate**</dt><dd>**7.9%**</dd>

<dt>**Avg BSR**</dt><dd>**#21**</dd>

<dt>**Page quality**</dt><dd>**0%**</dd>

<dt>**Prime**</dt><dd>**100%**</dd>

<dt>**Sponsored**</dt><dd>**100%**</dd>

<dt>**Out of stock**</dt><dd>**5.3%**</dd>

<dt>**Avg brand age**</dt><dd>**60 months**</dd>

<dt>**Avg seller age**</dt><dd>**147 days**</dd>

</dl>

## **Competition & brand share**

The top 5 products take 61% of clicks — established leaders, but buyers still shop beyond them.

**Brands**

**13 **▼falling

**Sellers**

**47**

**Top-5 brand share**

**77%**

Top 20: 100%

**Top-5 click share**

**61%**

Top 20: 99%

**Open market**

**18%**

- METAK31% - GoveeLife25% - BASEMENT WATCHDOG12% - STECHRO5% - Flood Buzz5% - Geevon4%

## **Demand & seasonality**

Weekly Amazon search volume, last 103 weeks — -6.1% search growth over the last 90 days.

18K13KSpike '25Prime Day '25Spike '26 seasonSepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.4×

[**Open Trend **](https://flapen.com/research/us/tools-home-improvement/water-alarm/trend)

## **Top water alarm search terms**

- **water alarm**89K/yr-4.9%6.5% conv. - **water alarm leak detector**89K/yr+0.9%6.7% conv. - **water sensor alarm**42K/yr-11.5%4.2% conv. - **water leak alarm**36K/yr-7.1%5.1% conv. - **water alarms for basements**32K/yr-22.3%6.6% conv. - **water alarms**13K/yr+10.9%6.5% conv. - **moisture alarm**12K/yr+16.9%6.5% conv. - **basement water alarm**12K/yr-27.4%5.7% conv. - **water alarm sensor**13K/yr-16.7%4.6% conv. - **water alarms for under sink**7K/yr+19.0%7.9% conv. [**All search terms **](https://flapen.com/research/us/tools-home-improvement/water-alarm/search-terms)

## **Top water alarm 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%5%$47K10%$94K15%$142K20%$189K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 21 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![GoveeLife Upgraded Smart Water Leak Detector 1s with High Alarm 3 Pack](https://m.media-amazon.com/images/I/415gzUlU8eL.jpg)**GoveeLife Upgraded Smart Water Leak Detector 1s with High Alarm 3 Pack**GoveeLife**$39.92**4.4★2,327 rev](https://www.amazon.com/dp/B0DQLDBXWF) [2![5 Pack Water Leak Detectors for Home 100dB Water Sensor Alarm for Basement Flood Leakage Detection Devices for Pipe/Drain/Sink/Faucet Drip Alert Floor Flooding in Bathroom/Kitchen/Toilet/Laundry Room](https://m.media-amazon.com/images/I/31jZgEaLhFL.jpg)**5 Pack Water Leak Detectors for Home 100dB Water Sensor Alarm for Basement Flood Leakage Detection Devices for Pipe/Drain/Sink/Faucet Drip Alert Floor Flooding in Bathroom/Kitchen/Toilet/Laundry Room**METAK**$37.02**4.6★1,064 rev](https://www.amazon.com/dp/B0CKYTP2DM) [3![Water Leak Detector Sensor Alarm: Home Water Flooding Monitor Smart Sink Overflow Monitoring Adjustable Wet Moisture Alert Pipe Leakage Drip Detection Warning for Basement Floor](https://m.media-amazon.com/images/I/31hyYK7AuYL.jpg)**Water Leak Detector Sensor Alarm: Home Water Flooding Monitor Smart Sink Overflow Monitoring Adjustable Wet Moisture Alert Pipe Leakage Drip Detection Warning for Basement Floor**METAK**$10.15**4.6★1,397 rev](https://www.amazon.com/dp/B0B639K2HL) [4![The Basement Watchdog 110 dB Water Alarm w/Detachable Sensor for Hard-to-Reach Areas (BWD-HWA)](https://m.media-amazon.com/images/I/41t01lUSOYL.jpg)**The Basement Watchdog 110 dB Water Alarm w/Detachable Sensor for Hard-to-Reach Areas (BWD-HWA)**BASEMENT WATCHDOG**$12.95**4.7★8,643 rev](https://www.amazon.com/dp/B000JOK11K) [5![5 Pack Water Leak Detectors for Home Stechro 4 Levels Adjustable Audio 0-120dB Water Sensor Alarm Leak Detector with Leak and Drip Alert IP66 Water Leak Sensor for Basements Kitchen Sink Laundry](https://m.media-amazon.com/images/I/315e6Q+-+LL.jpg)**5 Pack Water Leak Detectors for Home Stechro 4 Levels Adjustable Audio 0-120dB Water Sensor Alarm Leak Detector with Leak and Drip Alert IP66 Water Leak Sensor for Basements Kitchen Sink Laundry**STECHRO**$28.11**4.6★433 rev](https://www.amazon.com/dp/B0DR1JB7FF)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![BLIZONTE Water Leak Detector 3 Pack 5-Year Battery Life Water Alarm with Low Battery Warning 100dB Loud Sound and Self-Test Function IP66 Waterproof for Home Basement Kitchen(Not Support Wi-Fi)](https://m.media-amazon.com/images/I/41ZU82Nu-FL.jpg)**BLIZONTE Water Leak Detector 3 Pack 5-Year Battery Life Water Alarm with Low Battery Warning 100dB Loud Sound and Self-Test Function IP66 Waterproof for Home Basement Kitchen(Not Support Wi-Fi)**Blizonte**$18.04**64 rev6mo ago](https://www.amazon.com/dp/B0GGMNQXDB) [![GoveeLife Upgraded Smart Water Leak Detector 1s with High Alarm 4 Pack](https://m.media-amazon.com/images/I/41IIVijRM3L.jpg)**GoveeLife Upgraded Smart Water Leak Detector 1s with High Alarm 4 Pack**GoveeLife**$50.31**2,327 rev9mo ago](https://www.amazon.com/dp/B0FPQY1HYS) [![TECKNET WiFi Water Leak Detectors Leak & Drip Alert with APP Push and Sound Alarm Smart Water Sensor with 120dB Adjustable Alarm for Home Kitchen Bathroom Basement (2 Pack Battery Included)](https://m.media-amazon.com/images/I/41KWFtsyQwL.jpg)**TECKNET WiFi Water Leak Detectors Leak & Drip Alert with APP Push and Sound Alarm Smart Water Sensor with 120dB Adjustable Alarm for Home Kitchen Bathroom Basement (2 Pack Battery Included)**TECKNET**$21.62**394 rev1y ago](https://www.amazon.com/dp/B0F947BJVQ) [![5 Pack Water Leak Alarm Detector 120dB Loud Alert Water Sensor IP66 Waterproof Sensitive Leak and Drip Alert Easy Installation for Home Basement Flood Prevention Bathroom Sink Laundry](https://m.media-amazon.com/images/I/31LOugYe96L.jpg)**5 Pack Water Leak Alarm Detector 120dB Loud Alert Water Sensor IP66 Waterproof Sensitive Leak and Drip Alert Easy Installation for Home Basement Flood Prevention Bathroom Sink Laundry**RUIKORING**$29.80**437 rev1y ago](https://www.amazon.com/dp/B0DZ2LJR7M) [![GoveeLife Upgraded Smart Water Leak Detector 1s with High Alarm 3 Pack](https://m.media-amazon.com/images/I/415gzUlU8eL.jpg)**GoveeLife Upgraded Smart Water Leak Detector 1s with High Alarm 3 Pack**GoveeLife**$39.92**2,327 rev1y ago](https://www.amazon.com/dp/B0DQLDBXWF)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![BLIZONTE Water Leak Detector 3 Pack 5-Year Battery Life Water Alarm with Low Battery Warning 100dB Loud Sound and Self-Test Function IP66 Waterproof for Home Basement Kitchen(Not Support Wi-Fi)](https://m.media-amazon.com/images/I/41ZU82Nu-FL.jpg)**BLIZONTE Water Leak Detector 3 Pack 5-Year Battery Life Water Alarm with Low Battery Warning 100dB Loud Sound and Self-Test Function IP66 Waterproof for Home Basement Kitchen(Not Support Wi-Fi)**Blizonte**$18.04**4.8★**▲ 294%**](https://www.amazon.com/dp/B0GGMNQXDB) [![Zircon Leak Alert Electronic Water Leak Detector & Flood Sensor Alarm with 90dB Audio Dual Leak Alarms 1 Pack White](https://m.media-amazon.com/images/I/31Mkya42rRL.jpg)**Zircon Leak Alert Electronic Water Leak Detector & Flood Sensor Alarm with 90dB Audio Dual Leak Alarms 1 Pack White**Zircon**$16.69**4.7★**▲ 231%**](https://www.amazon.com/dp/B09DDG57X8) [![GoveeLife Upgraded Smart Water Leak Detector 1s with High Alarm 4 Pack](https://m.media-amazon.com/images/I/41IIVijRM3L.jpg)**GoveeLife Upgraded Smart Water Leak Detector 1s with High Alarm 4 Pack**GoveeLife**$50.31**4.4★**▲ 171%**](https://www.amazon.com/dp/B0FPQY1HYS) [![GoveeLife Upgraded Water Leak Detector with 105dB Adjustable Alarm 5 Pack](https://m.media-amazon.com/images/I/31tIFzqpNLL.jpg)**GoveeLife Upgraded Water Leak Detector with 105dB Adjustable Alarm 5 Pack**GoveeLife**$42.33**4.6★**▲ 68%**](https://www.amazon.com/dp/B0DQLCLFP5) [![Flood Buzz Small Water Leak Detectors for Homes & Businesses - 6-Pack](https://m.media-amazon.com/images/I/31PoXJ-xahL.jpg)**Flood Buzz Small Water Leak Detectors for Homes & Businesses - 6-Pack**Flood Buzz**$42.77**4.5★**▲ 60%**](https://www.amazon.com/dp/B005OQY5KG)

**~~View all trending →~~**

## **What buyers say about water alarm**

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

### **What buyers love **

**Assembly/Installation**11%

*“Easy set up”*

**Quality-Overall**10%

*“Great product and excellent seller”*

**Value For Money**9%

*“Amazing value”*

**Advertised Vs Actual Product**8%

*“As advertised”*

**Leak-Proof**8%

*“Though I haven't had any leaks”*

**Ease Of Use**5%

*“Ease of use”*

**Water Resistance**5%

*“Great protection against water leaks in various places in my home”*

**Sensor**5%

*“The water sensors themselves work really well”*

**Efficiency**4%

*“Worked well for my project”*

**Connectivity-Overall**4%

*“Easy to connect”*

### **What buyers complain about **

**Noise Level**13%

*“LOUD”*

**Leak-Proof**12%

*“Water leak”*

**Connectivity-Overall**10%

*“doesnt stay connected all the time”*

**Battery Life**5%

*“Poor Battery Life”*

**Assembly/Installation**4%

*“Not easy to set up”*

**Alarm/Timer Accuracy**4%

*“alarm not loud enough”*

**Water Resistance**4%

*“A signal water is detected”*

**Instructions/User Manual/Troubleshooting**3%

*“Poor instructions”*

**Functionality-Overall**3%

*“Turns out the alarm won't stay off”*

**Compatibility-Overall**2%

*“Non compatible”*

### **Top return reasons **

**Connectivity-Overall**36%

**Compatibility-Overall**14%

**Leak-Proof**9%

**Alarm/Timer Accuracy**8%

**Functionality-Overall**6%

**Value For Money**5%

**Advertised Vs Actual Product**5%

**Assembly/Installation**4%

**Size-Overall**3%

**Defective Material/Parts**2%

## **Common questions**

<dl>

<dt>**Is water alarm profitable to sell on Amazon United States?**</dt><dd>The niche generates $945K/yr across 21 tracked products. 2 of 2 products launched in the last 360 days are still selling. 90-day search growth is -6.1%. Flapen's verdict: Worth a look (55/100).</dd>

<dt>**How competitive is the water alarm niche?**</dt><dd>13 brands and 47 sellers compete. The top 5 products take 61% of clicks and top 5 brands hold 77% of demand.</dd>

<dt>**What do buyers complain about in water alarm?**</dt><dd>Top complaints mined from reviews: Noise Level, Leak-Proof, Connectivity-Overall. The return rate is 2.5%.</dd>

<dt>**When does demand for water alarm peak?**</dt><dd>Demand is steady year-round — the busiest month runs 1.4× the quietest.</dd>

<dt>**What does it cost to enter the water alarm niche?**</dt><dd>Listings span $10.15–$59.48; the average listing price is $30.86 (sweet spot $15–$100). The average incumbent carries 1,780 reviews — the moat a new listing must climb.</dd>

</dl>

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