20 Best Basement Alarms [2025]

Are you looking for the best basement alarms? Based on expert reviews, we ranked them. We've listed our top-ranked picks, including the top-selling basement alarms.

We Recommended:

# Preview Product
1 Govee WiFi Water Sensor, 100dB Adjustable Audio Alarm and Smart App Alerts, Leak and Drip Alert with... Govee WiFi Water Sensor, 100dB Adjustable Audio Alarm and Smart App Alerts, Leak and Drip Alert...
2 THE BASEMENT WATCHDOG Model BWD-HWA 110 dB Battery Operated Water Alarm THE BASEMENT WATCHDOG Model BWD-HWA 110 dB Battery Operated Water Alarm
3 Govee WiFi Water Sensor 3 Pack, Water Leak Detector 100dB Adjustable Alarm and App Alerts, Leak and... Govee WiFi Water Sensor 3 Pack, Water Leak Detector 100dB Adjustable Alarm and App Alerts, Leak...
4 Govee Water Leak Detectors 5 Pack, 100dB Adjustable Audio Alarm Sensor, Sensitive Leak and Drip... Govee Water Leak Detectors 5 Pack, 100dB Adjustable Audio Alarm Sensor, Sensitive Leak and Drip...
5 Topvico Water Leak Sensor Detector Flood Alarm for Basement 120dB Work Alone Battery Operated 3... Topvico Water Leak Sensor Detector Flood Alarm for Basement 120dB Work Alone Battery Operated 3...
6 Basement Alarm Basement Alarm
7 WiFi Water Leak Detector 5 Pack, Alexa Water Sensor Alarm, Water Alarm Sensor Leak Detector, Water... WiFi Water Leak Detector 5 Pack, Alexa Water Sensor Alarm, Water Alarm Sensor Leak Detector,...
8 Water Sensor, SECRUI WD121 24 Hour Alarm Reminder Water Leak Detector, 120dB Water Detector Alarm... Water Sensor, SECRUI WD121 24 Hour Alarm Reminder Water Leak Detector, 120dB Water Detector Alarm...
9 Govee Water Detectors 2 Pack, 100dB Adjustable Audio Alarm Sensor, Sensitive Leak and Drip Alert,... Govee Water Detectors 2 Pack, 100dB Adjustable Audio Alarm Sensor, Sensitive Leak and Drip Alert,...
10 THE BASEMENT WATCHDOG Sump Pump Wifi Module Model BW-WIFI THE BASEMENT WATCHDOG Sump Pump Wifi Module Model BW-WIFI
11 Basement Alarm Basement Alarm
12 Govee Water Detectors, 100dB Adjustable Audio Alarm Sensor, Sensitive Leak and Drip Alert, for... Govee Water Detectors, 100dB Adjustable Audio Alarm Sensor, Sensitive Leak and Drip Alert, for...
13 BetterLink Wireless Smart Water Leak Sensor, Wireless Flood Leak Detector, Alarm and App Alert, WiFi... BetterLink Wireless Smart Water Leak Sensor, Wireless Flood Leak Detector, Alarm and App Alert,...
14 Kidde Carbon Monoxide Detector, Plug In Wall with AA Battery Backup, Test-Hush Button Kidde Carbon Monoxide Detector, Plug In Wall with AA Battery Backup, Test-Hush Button
15 Kept Woman Kept Woman
16 The Basement Bugger's Bible : The Professional's Guide to The Basement Bugger's Bible : The Professional's Guide to
17 Clocks Clocks
18 Windows Security Monitoring: Scenarios and Patterns Windows Security Monitoring: Scenarios and Patterns
19 THE BASEMENT WATCHDOG Model BWC1 Universal Replacement Sump Pump Float Switch THE BASEMENT WATCHDOG Model BWC1 Universal Replacement Sump Pump Float Switch
Bestseller No. 1
Govee WiFi Water Sensor, 100dB Adjustable Audio Alarm and Smart App Alerts, Leak and Drip Alert with...
  • Real-time Alerts: Connect the gateway to WiFi, and it will instantly send emails, App notifications & alerts to your phone when water leakage occurs...
  • Loud Alarm with Mute: If WiFi is not temporarily available, our 100dB alarm is loud enough to be heard. Press the Mute button to silence the alarm...
  • Drip and Leak Alerts: Water sensor comes with 2 groups of back water detector probes & 1 group of front probes for pipe dripping detection. Use the...
  • Connects to Multiple Sensors: WiFi connection gateway has a stronger and more stable signal transmission & lets you connect with multiple sensors...
  • IP66 Waterproof : The completely sealed IP66 waterproof design allows for extended use in high moisture areas.
SaleBestseller No. 2
THE BASEMENT WATCHDOG Model BWD-HWA 110 dB Battery Operated Water Alarm
  • Detects as little as 1/32 in. of water to offer an effective early warning system
  • Solid-state circuitry is extremely sensitive and reliable
  • Loud 110 dB alarm can be heard throughout the house
  • Sensor has a 6 ft. wire so it can be extended into a sump pit, or mounted on a wall
  • Accommodates the addition of more than 100 ft. of wire (additional 24-Gauge wire not included)
Bestseller No. 3
Govee WiFi Water Sensor 3 Pack, Water Leak Detector 100dB Adjustable Alarm and App Alerts, Leak and...
  • Real-time Alerts: Connect the gateway to WiFi, and the water leak detector will instantly send emails, App notifications & alerts to your phone when...
  • Loud Alarm with Mute: If WiFi is not temporarily available, our 100dB water alarm is loud enough to be heard. Press the Mute button to silence the...
  • Drip and Leak Alerts: Water sensor comes with 2 groups of back water detector probes & 1 group of front probes for pipe dripping detection. Use the...
  • Connects to Multiple Sensors: WiFi connection gateway has a stronger and more stable signal transmission & lets you connect with multiple sensors...
  • IP66 Waterproof : The completely sealed IP66 waterproof design allows for extended use in high moisture areas. Note: The water leak detector only...
SaleBestseller No. 4
Govee Water Leak Detectors 5 Pack, 100dB Adjustable Audio Alarm Sensor, Sensitive Leak and Drip...
  • Dripping and Leaking Alarm: Besides 2 groups of backwater detector sensor probes, each detector also has 1 group of front probes for pipe...
  • Wireless and Easy to Use: No wire or setup required, the mini size allows you to put it on any place where the water leak may be happening. With kit...
  • Adjustable Alarm Audio: Each water leak detector features an 0-100 dB adjustable alarm audio. Loud enough to be heard even if leak happens in...
  • Low Battery Alert: The water sensor alarm will beep and flash a red light when a battery is low, or press the button on it to test the battery level.
  • IP66 Waterproof: The completely sealed waterproof design allows for extended use in high moisture areas.
Bestseller No. 5
Topvico Water Leak Sensor Detector Flood Alarm for Basement 120dB Work Alone Battery Operated 3...
  • 120dB loud alarm voice, keep alarm to notice you or neighbors until the water dry or sensor turn off, low cost and effective water leak alarm to...
  • High sensitive 24k plating detect board, repeated use after dry the board
  • 3M double side paster (included) for easy install anywhere
  • 37.8 inches cable, easy extend more than 150 ft. of wire by user (normal electric wire available, not include), detect water anywhere corner, suit for...
  • Supply by 9V battery (not include, suggest use brand Alkaline battery), battery life will be about 12 months for normal use (low quality battery about...
Bestseller No. 7
WiFi Water Leak Detector 5 Pack, Alexa Water Sensor Alarm, Water Alarm Sensor Leak Detector, Water...
  • 【WiFi based, APP alert wherever you are】SmaInHand water sensor alarm is WiFi based, no hub required, 7×24 hours detecting and send wifi water...
  • 【5 Areas Protection】With 5 leak detector, offer full water alarm protection to your house. Water leak sensor can be easily put to any place for...
  • 【Alexa & Google Home Voice Control】These water sensor water alarms for basements can be voice control water leak alarm on/off by Alexa & Google...
  • 【Built-in Sounders, Local Alert】Every water sensors for leaks wifi has a built-in sounder to notice elders and children who have no smartphone the...
  • 【All wireless. DIY. Easy to use.】Water leak detector wifi are all wireless with battery power. DIY and easy to install and use the water sensors....
Bestseller No. 8
Water Sensor, SECRUI WD121 24 Hour Alarm Reminder Water Leak Detector, 120dB Water Detector Alarm...
  • 【120dB Loud Alarm】The volume of the water sensor alarm is up to 120 dB. The sound is loud and clear enough to be heard even if leakage happens in...
  • 【Protect Your Home From Water Damage】Can be placed in the home wherever there is a risk for potential water damage, such as a flooding basement,...
  • 【Low Battery Warning】The water leak alarm is powered by 2 AAA batteries(Not included). When the water detector is low in power, the alarm time...
  • 【Easy to Use & Install】Use the included double-sided tape to stick the water leak sensor where there is a potential for water damage and flooding,...
  • 【Warranty & Support】We provide an 18-month warranty, plus lifetime technical support. Our standard for responding to email quests is less than 24...
Bestseller No. 9
Govee Water Detectors 2 Pack, 100dB Adjustable Audio Alarm Sensor, Sensitive Leak and Drip Alert,...
  • Dripping and Leaking Alarm: Besides 2 groups of backwater detector probes, each detector also has 1 group of front probes for pipe dripping.(Note:...
  • Wireless and Easy to Use: No wire or setup required, the mini size allows you to put it on any place where the water leak may be happening. With kit...
  • Adjustable Alarm Audio: Each water leak detector features 0-100 dB adjustable alarm audio. Loud enough to be heard even if a leak happens in the...
  • Low Battery Alert: The water sensor alarm will beep and flash a red light when a battery is low, or press the button on it to test the battery level.
  • IP66 Waterproof: The completely sealed waterproof design allows for extended use in high moisture areas.
Bestseller No. 10
THE BASEMENT WATCHDOG Sump Pump Wifi Module Model BW-WIFI
  • Receive notifications via email, text or app about the status of your battery backup sump pump system while away from home
  • Easily connect using your home Wi-Fi network
  • Connect using either the dry remote terminal contacts or USB data port
  • No monthly or yearly subscription fees
Bestseller No. 12
Govee Water Detectors, 100dB Adjustable Audio Alarm Sensor, Sensitive Leak and Drip Alert, for...
  • Dripping and Leaking Alarm: Besides 2 groups of backwater detector probes, each detector also has 1 group of front probes for pipe dripping.(Note:...
  • Wireless and Easy to Use: No wire or setup required, the mini size allows you to put it on any place where the water leak may be happening. With kit...
  • Adjustable Alarm Audio: Each water leak detector features 0-100 dB adjustable alarm audio. Loud enough to be heard even if a leak happens in the...
  • Low Battery Alert: The water sensor alarm will beep and flash a red light when a battery is low, or press the button on it to test the battery level.
  • IP66 Waterproof: The completely sealed waterproof design allows for extended use in high moisture areas.
Bestseller No. 13
BetterLink Wireless Smart Water Leak Sensor, Wireless Flood Leak Detector, Alarm and App Alert, WiFi...
  • BetterLink started with the sole purpose of making the world safer. Our vision is to continuously innovate and improve our products based on customer...
  • Easy To Use: No installation required, place it flat where you need to be waterproof, such as basement,kitchen,laundry,bathroom and aquarium. The...
  • App Real-time Alarms Remotely: The smart water sensor does not require a hub or subscription service. Just connect to your home 2.4G Wi-Fi...
  • Low Power Warning: The smart water leak sensor has a built-in CR123A battery and low power consumption design, the battery life can last 24 months...
  • Note: This is a water detector only, it will provide early warning.It can not shut off the water flow.
SaleBestseller No. 14
Kidde Carbon Monoxide Detector, Plug In Wall with AA Battery Backup, Test-Hush Button
  • Easy Installation - simply plug-in to a standard, 120V outlet in your home
  • 2-AA battery backup provides protection during a power outage
  • 85-decibel alarm announces when carbon monoxide is detected
  • Peak Level Memory records the last time carbon monoxide was detected or when the unit was last tested
  • Test-Hush Button makes testing the detector or silencing false alarms easy
Bestseller No. 15
Kept Woman
  • Amazon Prime Video (Video on Demand)
  • Courtney Ford, Shaun Benson, Andrew W. Walker (Actors)
  • Michel Poulette (Director) - Doug Barber (Writer) - Jean Bureau (Producer)
  • English (Playback Language)
  • English (Subtitle)
Bestseller No. 16
The Basement Bugger's Bible : The Professional's Guide to
  • Used Book in Good Condition
  • Bugman, Shifty (Author)
  • English (Publication Language)
  • 320 Pages - 03/01/1999 (Publication Date) - Paladin Press (Publisher)
Bestseller No. 17
Clocks
  • Digital clocks.
  • Analogue clocks.
  • Grandfather clock.
  • Antique clock.
  • Change styles and adjust colors.
Bestseller No. 18
Windows Security Monitoring: Scenarios and Patterns
  • Amazon Kindle Edition
  • Miroshnikov, Andrei (Author)
  • English (Publication Language)
  • 649 Pages - 03/13/2018 (Publication Date) - Wiley (Publisher)
Bestseller No. 19
THE BASEMENT WATCHDOG Model BWC1 Universal Replacement Sump Pump Float Switch
  • Compatible with most sump pumps
  • Large floats detect 1/4 in. water level rises, automatically activating the sump pump
  • Second float provides additional protection to ensure automatic pump activation
  • Protective float switch cage helps keep debris and wires from interfering with float movement; vented, curved bottom reduces debris build-up under the...
  • Allows the sump pump to run for an additional 10 seconds to drain excess water from the sump pit

Having trouble finding a great basement alarms?

This problem is well understood by us because we have gone through the entire basement alarms research process ourselves, which is why we have put together a comprehensive list of the best basement alarmss available in the market today.

After hours of searching and using all the models on the market, we have found the best basement alarms for 2023. See our ranking below!

How Do You Buy The Best Basement Alarms?

Do you get stressed out thinking about shopping for a great basement alarms? Do doubts keep creeping into your mind?

We understand, because we’ve already gone through the whole process of researching basement alarms, which is why we have assembled a comprehensive list of the greatest basement alarms available in the current market. We’ve also come up with a list of questions that you probably have yourself.

John Harvards has done the best we can with our thoughts and recommendations, but it’s still crucial that you do thorough research on your own for basement alarms that you consider buying. Your questions might include the following:

  • Is it worth buying an basement alarms?
  • What benefits are there with buying an basement alarms?
  • What factors deserve consideration when shopping for an effective basement alarms?
  • Why is it crucial to invest in any basement alarms, much less the best one?
  • Which basement alarms are good in the current market?
  • Where can you find information like this about basement alarms?

We’re convinced that you likely have far more questions than just these regarding basement alarms, and the only real way to satisfy your need for knowledge is to get information from as many reputable online sources as you possibly can.

Potential sources can include buying guides for basement alarms, rating websites, word-of-mouth testimonials, online forums, and product reviews. Thorough and mindful research is crucial to making sure you get your hands on the best-possible basement alarms. Make sure that you are only using trustworthy and credible websites and sources.

John Harvards provides an basement alarms buying guide, and the information is totally objective and authentic. We employ both AI and big data in proofreading the collected information.

How did we create this buying guide? We did it using a custom-created selection of algorithms that lets us manifest a top-10 list of the best available basement alarms currently available on the market.

This technology we use to assemble our list depends on a variety of factors, including but not limited to the following:

  1. Brand Value: Every brand of basement alarms has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
  2. Features: What bells and whistles matter for an basement alarms?
  3. Specifications: How powerful they are can be measured.
  4. Product Value: This simply is how much bang for the buck you get from your basement alarms.
  5. Customer Ratings: Number ratings grade basement alarms objectively.
  6. Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their basement alarms.
  7. Product Quality: You don’t always get what you pay for with an basement alarms, sometimes less, and sometimes more.
  8. Product Reliability: How sturdy and durable an basement alarms is should be an indication of how long it will work out for you.

John Harvards always remembers that maintaining basement alarms information to stay current is a top priority, which is why we are constantly updating our websites. Learn more about us using online sources.

If you think that anything we present here regarding basement alarms is irrelevant, incorrect, misleading, or erroneous, then please let us know promptly!

FAQ:

Q: What type of leak detector is best for landlords?

A: Water leak detectors with automatic shut-off features are also popular among landlords with rental units that are at a high risk for leaks and floods. Most smart leak detectors plug directly into a wall outlet and come with a backup battery that keeps the device powered when utilities are down.

Q: Can you put a water alarm under a sink?

A: You can put them under sinks or near water heaters, sump pumps, dishwashers, water filtration units and plumbing outlets. The device triggers an alarm when it comes in contact with water. Reviewers describe the 85-decibel alarm sound as a “pulsating pitch” that is about as noticeable as a smoke alarm.

Q: What is the best budget water detector?

A: Glentronics Watchdog is our pick for best budget water detector because it has a long battery life, is easy to install and accurately detects water and moisture when it’s where it shouldn’t be.

Q: Does Ring Alarm have a leak detection sensor?

A: If you have a Ring Alarm system, this sensor is the perfect leak detecting device to integrate with your home security setup. If you have a Ring Alarm system, this sensor is the perfect leak detecting device to integrate with your home security setup.

Related Post: