Find the leak. Skip the digging. Save thousands.

Non-invasive underground, slab, and pool leak detection across Washington. We pinpoint most leaks in about 2 hours. Before you call a plumber, call us first.

Trusted by homeowners across Whatcom, Skagit, Snohomish and King County.

319 5-star Google reviews from local homeowners.

10 plus years as an accredited plumber badge
Better Business Bureau Accredited

As Seen In

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Featured across 183 news outlets with a potential audience of over 54 million. See all coverage →

FOR SERVICES & IMMEDIATE

ATTENTION 24/7

Shocked homeowner worried about a hidden water leak

Suspect A Leak? There are signs...

There are 8 major tell-tale signs of an underground water leak. Click "Learn More" to identify them.

If Left Untreated...

YOUR LEAK COULD COST YOU MORE THAN YOU THINK.

Stair-step crack in a brick wall, a sign of foundation damage

MAJOR STRUCTURAL DAMAGE

$5 - 50K+

One of the most severe consequences of an untreated underground leak is foundation damage. Persistent leaks can weaken the structural integrity of your home's foundation, leading to cracks, shifts, and even potential collapse.

Excavated hole beside a concrete slab with a water pipe exposed and orange traffic cones around it

UNDERGROUND WASHOUT

$1.5 - 10K

Leaks can cause underground washout, where water erodes the soil supporting your property. This erosion can create voids or unstable ground, affecting not only the foundation but also underground utilities and concrete slabs.

Pools of standing water on a lawn from a hidden underground water leak

LANDSCAPE & DRIVEWAY DAMAGE

$1 - 15K

Excess water from underground leaks can lead to the saturation of the surrounding soil, affecting the health of lawns, gardens, and potentially creating cracks in your hardscaping elements like driveways and walkways.

How Much Water Can a Hidden Leak Waste?

A typical leak Action Leak Detection is called to runs about a tenth of a gallon a minute. You will not see it, but it adds up fast.

144 gallonswasted per day by a typical underground leak
50,000+ gallonslost per year at a single home if the leak goes unfound
About 2 hoursto pinpoint most residential leaks, with no digging

Common signs of a hidden leak: a spinning water meter, a jump in your water bill, wet spots in the yard, or a drop in water pressure.

Isaac White using leak detection equipment to pinpoint an underground water leak

WE CAN SAVE YOU THOUSANDS.

Before you call your plumber, call us first.

Calling us first instead of your local plumber can save you from spending a fortune. If you call a plumber for an underground leak, chances are, they will be calling us.

Why? Our specialized equipment is used to quickly pinpoint the exact location of your underground leak which allows you to minimize extensive digging of your property, removal of your concrete slabs/driveway, and the massive costs associated with excavation and labor.

Additionally, our equipment requires a niche specialized training and expertise that most do not possess.

That's why, we are your cost effective, non-invasive, underground leak detection specialists!

Our 24/7 Services

Isaac White using leak detection equipment to pinpoint an underground water leak

Underground Leak Detection

We use special equipment to pinpoint your water leak on your property.

Excavated hole beside a concrete slab with a water pipe exposed and orange traffic cones around it

Concrete Slab Leak Detection

Water leaks underneath concrete slabs can cause cracks and damage your driveway.

a hole dug in the ground revealing the water line

Private Water Line Locating

We identify the exact location of your water lines, assisting in repairs and avoiding disruptions to your water service.

Why Work With Us?

Save Thousands In Repairs & Labor

By finding the exact location of your leak, we help you avoid digging up your entire water line to find a simple leak.

Quick Contact Service

Our average leak takes around 2 hours or less to find. You can expect a quick turn around when calling us.

We Recommend Trusted Contractors

After we find your leak, we make sure you're taken care of by setting you up with trusted plumbers and/or contractors.

Peace Of Mind

You can relax knowing your underground water leak will be found, and you won't have to break the bank!

SEE WHAT OUR CUSTOMERS ARE SAYING.

★★★★★
Isaac found the leak in record time after a quick inspection. He was very responsive via text and made time to come over the same day I called. He also provided advise on how to temporarily fix the leak until I could get a plumber. Outstanding
Google review
★★★★★
We needed a leaking water pipe located and Action Leak Detection was recommended by the plumbing company. They were very professional and located the leak quickly. They were easy to contact, arrived on time and got the job done quickly. I would definitely recommend them.
Google review
★★★★★
My plumber from All Pro Plumbing recommended Isaac at Action Leak Detection as we could not find the leak. Isaac was so kind to come out and find the leak. It was at water meter. Miguel the plumber will be back on Wednesday to fix. I just wanted to say thanks Isaac for all your help above and beyond.
Google review

ENJOY

YOUR PROPERTY

LEAK FREE

24/7 Emergency Leak Finding

Cost Effective

Satisfaction Guaranteed

Underground Leak Detection Across Northwest Washington

Isaac White is based in Lynden and serves King, Snohomish, Skagit, and Whatcom Counties, along with Whidbey, Lopez, and the San Juan Islands. Find your area below.

FAQ's

Frequently Asked Questions

Signs include a constantly spinning water meter, unexpected spikes in water usage or bills, lower water pressure, warm spots on floors, musky odors, or dampness in basements or crawl spaces. (EPA)

We use advanced technologies like acoustic detectors, infrared cameras, and ground penetrating radar to detect leaks without damaging your property. (USGS)

Yes, we have specialized equipment to locate leaks in plastic pipes, which are often challenging to detect due to their non-metallic nature. (The Department of Energy)

If you suspect a leak, it’s important to contact us immediately. Early detection can prevent more extensive damage and reduce the cost of repairs. (EPA)

Most residential leaks are pinpointed in about two hours. Larger properties and hard-to-reach lines can take longer, so call us and we will give you a realistic time frame.

Yes. After completing our leak detection service, we can provide detailed documentation outlining our findings, including the leak location and detection method used. These reports are often helpful when filing insurance claims or working with plumbers and contractors. (FEMA)

Most leak detection jobs run between $400 and $800, depending on the type of line, the size of the property, and how hard the leak is to reach. Call us at 360-922-8829 and we will talk through your situation and give you a firm quote. Pinpointing the exact spot is almost always cheaper than digging in the wrong place.

In most cases, yes. We use non-invasive technologies to pinpoint slab leaks beneath concrete without unnecessary cutting or damage. Our goal is to accurately locate the leak while keeping disruption to your home to a minimum. (Wikipedia)

Yes. We answer calls 24/7 and locate most leaks the same day. If you suspect an active or worsening leak, call 360-922-8829 right away.

SUSPECT A LEAK? WE'LL TAKE A PEEK.

Isaac White, owner of Action Leak Detection, wearing headphones to listen for a hidden underground water leak with his detection equipment

COMPANY STORY
& EXPERIENCE

Founded by Isaac White, Action Leak Detection has its roots in a personal experience that underscored the importance of timely and efficient leak detection.

After witnessing the challenges and costs associated with a significant leak at his mother's home in New Mexico, White was inspired to start a specialized service in leak detection.

With a background in commercial and residential plumbing, he established the company based in Lynden, providing services across Whatcom, Skagit, and Snohomish Counties, as well as in Surrey and Abbotsford, BC.

The company's expertise lies in non-invasive underground and slab water leak detection, plastic pipe locating, and private water line locating. Leveraging state-of-the-art technology and White's extensive experience, Action Leak Detection excels in identifying and addressing leaks efficiently, helping to conserve water and save on costs.

The team is dedicated to offering professional solutions to manage water leaks, driven by a commitment to customer satisfaction and environmental conservation.

Through years of service, Action Leak Detection has built a reputation for reliability, precision, and thoroughness, making it a trusted name in the field of leak detection.