Is water leak detector profitable to sell on Amazon United States?

The niche generates $6.1M/yr across 25 tracked products. 4 of 4 products launched in the last 360 days are still selling. 90-day search growth is +0.7%. Flapen's verdict: Worth a look (52/100).

How competitive is the water leak detector niche?

14 brands and 46 sellers compete. The top 5 products take 58% of clicks and top 5 brands hold 85% of demand.

What do buyers complain about in water leak detector?

Top complaints mined from reviews: Leak-Proof, Connectivity-Overall, Noise Level. The return rate is 2.7%.

When does demand for water leak detector peak?

Demand is steady year-round — the busiest month runs 1.3× the quietest.

What does it cost to enter the water leak detector niche?

Listings span $10.15–$631.74; the average listing price is $75.34 (sweet spot $15–$100). The average incumbent carries 2,359 reviews — the moat a new listing must climb.

water leak detector

Worth a look

Shows a $6.1M/yr market, but prices mostly outside the sweet spot ($10.15–$631.74) keeps it on the watch list.

Market size

Incredible$6.1M

$6.1M/yr · 1.7M searches

Avg price

Great$75.34

avg listing price — sweet spot $15–$100

Returns

Good2.7%

return rate — above 5% kills the launch gate

Conversion

Good4.9%

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

Competition

Okay58%

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

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Review moat

Okay2,359.24

avg incumbent reviews — the moat a new listing must climb

Brand share

Okay85%

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

Growth

Okay+0.7%

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

Price range

Bad$10.15–$631.74

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

Signals High Price

According to Flapen's Amazon United States niche tracking, water leak detector is a $6.1M/yr Amazon United States market (1.7M searches/yr). The top 5 brands hold 85% of demand. Verdict: Worth a look — 52/100.

Data updated Jul 30, 2026 · scored weekly · How we score niches

water leak detector market data

Units sold / yr: 80K–100K; avg 4,000–5,000/product
Revenue / yr: $6.0M–$7.5M; units × avg price
Conversion rate: 4.9%
Avg BSR: #19
Page quality: 0%
Prime: 100%
Sponsored: 100%
Out of stock: 4.8%
Avg brand age: 51 months
Avg seller age: 154 days

Competition & brand share

The top 5 products take 58% of clicks — established leaders, but buyers still shop beyond them.

Brands

14 falling

Sellers

Top-5 brand share

85%

Top 20: 100%

Top-5 click share

58%

Top 20: 94%

Open market

12%

GoveeLife50%
METAK19%
YoLink7%
RUIKORING5%
BASEMENT WATCHDOG4%
STECHRO3%
Open — no brand owns it (8 brands, 12%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +0.7% search growth over the last 90 days.

No pronounced peak months · busiest ÷ quietest = 1.3×

Open Trend

Top water leak detector search terms

water leak detector252K/yr +0.6%2.7% conv.
leak detector173K/yr +9.2%2.5% conv.
water leak detectors for home198K/yr -11.9%3.7% conv.
water sensor alarm leak detector149K/yr -5.0%5.1% conv.
govee water leak detector95K/yr +16.3%6.4% conv.
water detector sensor97K/yr +2.4%4.3% conv.
water sensor93K/yr +7.8%3.0% conv.
water alarm89K/yr -4.9%6.3% conv.
water alarm leak detector89K/yr +0.9%6.4% conv.
water leak sensor68K/yr +4.5%2.6% conv.

All search terms

Top water leak detector 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.

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

GoveeLife Upgraded Smart Water Leak Detector 1s with High Alarm 3 Pack

GoveeLife$39.924.4★2,327 rev

GoveeLife Upgraded Smart Water Leak Detector 1s with High Alarm 5 Pack

GoveeLife$58.214.4★2,327 rev

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$37.024.6★1,064 rev

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$10.154.6★1,397 rev

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$29.804.6★437 rev

Newest

by launch date

GoveeLife Upgraded Smart Water Leak Detector 1s with 4.92 ft Cable 3 Pack

GoveeLife$51.8260 rev

4mo ago

GoveeLife Upgraded Smart Water Leak Detector 1s with High Alarm 4 Pack

GoveeLife$50.312,327 rev

9mo ago

GoveeLife Upgraded Smart Water Leak Detector 1s with High Alarm 6 Pack

GoveeLife$82.422,327 rev

9mo ago

PQWT Underground Water Leak Detectors for Home PQ125A Wall Pipe Water Leakage Detection with Touchscreen Earphone and Carrying Case Multi Sensor Acoustic Pipeline Sound Intensifier

PQWT$631.7415 rev

11mo ago

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$29.80437 rev

1y ago

What buyers say about water leak detector

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

What buyers love

Assembly/Installation15%

“Easy install”

Quality-Overall9%

“Great product and excellent seller”

Value For Money8%

“Amazing value”

Advertised Vs Actual Product8%

“As advertised”

Leak-Proof8%

“Haven't had any leaks”

Sensor6%

“Awesome sensors that are easy to set up”

Ease Of Use5%

“Ease of use”

Water Resistance4%

“Great for all water areas”

Efficiency4%

“Works well as intended”

Connectivity-Overall4%

“Easy to connect”

What buyers complain about

Leak-Proof13%

“Water leak”

Connectivity-Overall13%

“Doesnt connect”

Noise Level11%

“I got a loud”

Battery Life5%

“don't let the batteries get low”

Assembly/Installation4%

“Impossible to program”

Alarm/Timer Accuracy4%

“Alarm not as loud as others”

Instructions/User Manual/Troubleshooting3%

“very poor instructions”

Water Resistance3%

“A signal water is detected”

Functionality-Overall3%

“Turns out the alarm won't stay off”

Compatibility-Overall2%

“Non compatible”

Top return reasons

Connectivity-Overall38%

Compatibility-Overall13%

Leak-Proof9%

Functionality-Overall6%

Alarm/Timer Accuracy6%

Value For Money5%

Advertised Vs Actual Product5%