---
title: "Flood Sensor — $16K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/tools-home-improvement/flood-sensor"
last_updated: "2026-08-09T04:00:39.885Z"
locale: en
meta:
description: "Niche score 35/100 · $16K/yr market · 22K searches/yr · $31.15 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 35/100 · $16K/yr market · 22K searches/yr · $31.15 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Flood Sensor — $16K/yr Amazon US Niche (2026) - Flapen"
---
# **flood sensor**
**Skip it**
A small market ($16K/yr) — this niche doesn't clear our bar today.
Market size 4Growth 24Conversion 29Competition 25Returns 63Price range 87Avg price 95Brand share 34Review moat 41Quality gap 37
**Avg price**
**Incredible****$31.15**
avg listing price — sweet spot $15–$100
**Price range**
**Great****$10.15–$58.21**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Returns**
**Good****2.5%**
return rate — above 5% kills the launch gate
**Review moat**
**Okay****2,391.15**
avg incumbent reviews — the moat a new listing must climb
**Quality gap**
**Okay****4.5★**
avg incumbent rating — lower means beatable quality
**Brand share**
**Okay****85%**
top-5 brand share — brands hold most of the demand
**Conversion**
**Okay****2.3%**
search→purchase rate — share of searches ending in a sale
**Competition**
**Bad****70%**
top-5 click share — a locked-up shelf
**Growth**
**Bad****-1.2%**
90-day search growth — must beat 0% to launch
**Market size**
**Bad****$16K**
$16K/yr · 22K searches
According to Flapen's Amazon United States niche tracking, flood sensor is a $16K/yr Amazon United States market (22K searches/yr). The top 5 brands hold 85% of demand. Demand peaks in Jul. Verdict: Skip it — 35/100.
Data updated Jul 30, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **flood sensor market data**
- **Units sold / yr**
- **1K–1K**
- avg 0–100/product
- **Revenue / yr**
- **$31K–$39K**
- units × avg price
- **Conversion rate**
- **2.3%**
- **Avg BSR**
- **#13**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **100%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **65 months**
- **Avg seller age**
- **161 days**
## **Competition & brand share**
The top 5 products capture 70% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**9 **▼falling
**Sellers**
**41**
**Top-5 brand share**
**85%**
Top 20: 100%
**Top-5 click share**
**70%**
Top 20: 100%
**Open market**
**11%**
- GoveeLife46% - METAK19% - BASEMENT WATCHDOG7% - Geevon7% - Flood Buzz5% - RUIKORING5% - Open — no brand owns it (3 brands, 11%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -1.2% search growth over the last 90 days.
1K750Spike '24Black Friday '24Spike '25Prime Day '25Black Friday '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Jul · busiest ÷ quietest = 1.6×
[**Open Trend **](https://flapen.com/research/us/tools-home-improvement/flood-sensor/trend)
## **Top flood sensor search terms**
- **flood sensor**12K/yr+2.8%2.4% conv. - **flood alarm**5K/yr+10.8%4.9% conv. - **flood detector**4K/yr+4.0%1.6% conv. - **flood detector and water leak alarm**2K/yr-80.8%1.6% conv. - **flood alarm for basement**254/yr-16.4%3.3% conv. [**All search terms **](https://flapen.com/research/us/tools-home-improvement/flood-sensor/search-terms)
## **Top flood sensor 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%10%$2K20%$3K30%$5K40%$6K1001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 13 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**GoveeLife**$39.92**4.4★2,327 rev](https://www.amazon.com/dp/B0DQLDBXWF) [2**GoveeLife Upgraded Smart Water Leak Detector 1s with High Alarm 5 Pack**GoveeLife**$58.21**4.4★2,327 rev](https://www.amazon.com/dp/B0DQLFC3Q6) [3**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) [4**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) [5**Geevon 2 Pack Water Leak Detectors 100dB Water Sensor Alarms Flood Detector for Basements Bathrooms Laundry Rooms Kitchens Garages and Attics Water Alarms Battery-Operated (Battery Included)**Geevon**$12.54**4.5★2,977 rev](https://www.amazon.com/dp/B09DCMCB8D)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Shelly Flood Gen4 WiFi Bluetooth Zigbee Matter Smart Flood Sensor with Leak Sensor Cable Alexa SmartThings Google Home Apple HomeKit Compatible Flood and Rain Detection Easy to Use IP44**Shelly**$35.38**209 rev9mo ago](https://www.amazon.com/dp/B0FPG9SGLJ) [**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**GoveeLife**$39.92**2,327 rev1y ago](https://www.amazon.com/dp/B0DQLDBXWF) [**GoveeLife Upgraded Smart Water Leak Detector 1s with High Alarm 5 Pack**GoveeLife**$58.21**2,327 rev1y ago](https://www.amazon.com/dp/B0DQLFC3Q6) [**GoveeLife Upgraded Water Leak Detector with 105dB Adjustable Alarm 5 Pack**GoveeLife**$42.33**362 rev1y ago](https://www.amazon.com/dp/B0DQLCLFP5)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Shelly Flood Gen4 WiFi Bluetooth Zigbee Matter Smart Flood Sensor with Leak Sensor Cable Alexa SmartThings Google Home Apple HomeKit Compatible Flood and Rain Detection Easy to Use IP44**Shelly**$35.38**4.3★**▲ 189%**](https://www.amazon.com/dp/B0FPG9SGLJ) [**GoveeLife Upgraded Smart Water Leak Detector 1s with High Alarm 5 Pack**GoveeLife**$58.21**4.4★**▲ 59%**](https://www.amazon.com/dp/B0DQLFC3Q6) [**Topvico Water Leak Sensor Detector Flood Alarm for Basement RV Moisture 120dB Work Alone Battery Operated 3 Packs**Topvico**$14.95**4.4★**▲ 32%**](https://www.amazon.com/dp/B07311Z536) [**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★**▲ 26%**](https://www.amazon.com/dp/B0B639K2HL) [**GoveeLife Upgraded Water Leak Detector with 105dB Adjustable Alarm 5 Pack**GoveeLife**$42.33**4.6★**▲ 25%**](https://www.amazon.com/dp/B0DQLCLFP5)
**~~View all trending →~~**
## **What buyers say about flood sensor**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Assembly/Installation**11%
*“Easy to assemble and install”*
**Quality-Overall**10%
*“Reliable Product”*
**Value For Money**9%
*“Amazing value”*
**Advertised Vs Actual Product**8%
*“As advertised”*
**Leak-Proof**7%
*“Though I haven't had any leaks”*
**Ease Of Use**5%
*“Ease of use”*
**Water Resistance**5%
*“Protect yourself and your home from water damage”*
**Connectivity-Overall**4%
*“connect to WiFi”*
**Efficiency**4%
*“Works Great”*
**Sensor**4%
*“These sensors are incredibly reliable”*
### **What buyers complain about **
**Noise Level**12%
*“Emits a constant high-pitched noise”*
**Leak-Proof**12%
*“water started leaking”*
**Connectivity-Overall**11%
*“Very hard to connect”*
**Battery Life**5%
*“Poor Battery Life”*
**Alarm/Timer Accuracy**5%
*“alarm not loud enough”*
**Assembly/Installation**4%
*“Not easy to set up”*
**Water Resistance**4%
*“A signal water is detected”*
**Compatibility-Overall**3%
*“Non compatible”*
**Functionality-Overall**3%
*“Turns out the alarm won't stay off”*
**Quality-Overall**3%
*“Complete garbage”*
### **Top return reasons **
**Connectivity-Overall**35%
**Compatibility-Overall**15%
**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**
- **Is flood sensor profitable to sell on Amazon United States?**
- The niche generates $16K/yr across 13 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is -1.2%. Flapen's verdict: Skip it (35/100).
- **How competitive is the flood sensor niche?**
- 9 brands and 41 sellers compete. The top 5 products take 70% of clicks and top 5 brands hold 85% of demand.
- **What do buyers complain about in flood sensor?**
- Top complaints mined from reviews: Noise Level, Leak-Proof, Connectivity-Overall. The return rate is 2.5%.
- **When does demand for flood sensor peak?**
- Demand peaks in Jul; the busiest month runs 1.6× the quietest.
- **What does it cost to enter the flood sensor niche?**
- Listings span $10.15–$58.21; the average listing price is $31.15 (sweet spot $15–$100). The average incumbent carries 2,391 reviews — the moat a new listing must climb.
## **Related niches in Tools & Home Improvement**
- 73 [**solar outdoor lights**](https://flapen.com/research/us/tools-home-improvement/solar-outdoor-lights)$30.2M/yr+39.8%**Launch it**- 73 [**shower lamp**](https://flapen.com/research/us/tools-home-improvement/shower-lamp)$2.8M/yr+30.2%**Launch it**- 73 [**solar flowers**](https://flapen.com/research/us/tools-home-improvement/solar-flowers)$607K/yr+52.0%**Worth a look**- 73 [**american flag lights**](https://flapen.com/research/us/tools-home-improvement/american-flag-lights)$465K/yr+736.5%**Worth a look**- 73 [**solar fairy lights**](https://flapen.com/research/us/tools-home-improvement/solar-fairy-lights)$3.5M/yr+64.6%**Launch it**- 73 [**solar watering can with cascading lights**](https://flapen.com/research/us/tools-home-improvement/solar-watering-can-with-cascading-lights)$304K/yr+124.3%**Worth a look**[**All Tools & Home Improvement niches **](https://flapen.com/research/us/tools-home-improvement)