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About This Service

How do plumbers find a hidden water leak?

Plumbers find hidden leaks by confirming the leak first, then locating it without opening more of your walls and floors than necessary. We isolate the water supply and watch the meter to confirm the loss, then use electronic listening devices, pressure testing, and thermal imaging to pinpoint the spot.

This matters in Phoenix because many homes are built on concrete slabs, where a copper line can leak under the floor for months. Warning signs include a water bill that jumps, a meter that moves with everything off, the sound of running water, warm spots on the floor, and damp or musty areas. Once we find the leak, we explain the repair options, from a spot repair to rerouting the line, before any work starts. A simple meter test at home can confirm whether you have a leak: shut off all water, then check whether the meter dial still moves.

Signs of Hidden Water Leaks in Your Home That You Shouldn’t Ignore

  • Tick Icon Odor Inside Cabinets
  • Tick Icon Sound of Running Water in the Walls
  • Tick Icon Sudden Increase in Your Water Bill
  • Tick Icon Running Toilet
  • Tick Icon Presence of Mold
  • Tick Icon Peeling or Bubbling Paint
  • Tick Icon Signs of Water Damage on Ceiling or Walls
  • Tick Icon Loose Tiles

Our leak detection & repair services

01
Leak Detection

As a trusted plumbing company, Fast Layne Plumbing invests in advanced diagnostic tools to pinpoint the exact location of any leak, whether it’s in a wall, under a slab, or in your yard. Our skilled technicians are trained to use non-invasive methods, ensuring we find the issue with precision and speed. Depending on the leak, we use equipment such as electronic leak detectors, acoustic listening devices, and thermal imaging cameras.

02
Leak Repair

Once we find the leak, our plumbing repair team gets to work immediately. Whether you need a simple pipe patch or a more complex line replacement, you can count on your local plumbers at Fast Layne Plumbing to provide a lasting solution. We understand that some problems can’t wait, which is why we offer emergency plumbing support when you need it most.

Why Choose Us as Your Water Leak Detection and Repair Company?

Fast Layne Plumbing stands out as a leak detection company because we genuinely care for our customers and community. Here’s what makes our services in Phoenix, AZ, different:

Local Knowledge

We work in Phoenix slab homes, older neighborhoods, and newer builds every day, and we know where leaks tend to start.

Quality Work at Honest Prices

We believe superior craftsmanship doesn’t have to break the bank. Every repair comes with upfront pricing and a commitment to do the job right without cutting corners.

Emergency Response

Water damage waits for no one; that’s why our emergency crew responds as quickly as possible to stop leaks before they destroy property.

Trusted by the Phoenix Community

Our reputation is built on word of mouth and repeat customers. That trust means everything; we work hard to earn it on every call.

What causes hidden leaks in Phoenix homes?

  • Slab leaks. Copper lines under the slab can wear through from the outside against rock or concrete, and from the inside with fast-moving or mineral-heavy water.
  • Hard water. Phoenix-area water is commonly 200 ppm or higher, per City of Phoenix water quality reports, and it contributes to pinhole leaks and worn fittings.
  • High water pressure. Pressure well above normal strains pipes, connectors, and water heater fittings.
  • Failing materials. Polybutylene and Kitec piping in homes from the late 1970s through the 2000s are known for leaks at fittings.
  • Soil movement. Shifting ground can stress lines under or beside the foundation.
  • Yard lines. Irrigation and main supply lines leak out of sight until the ground turns wet.

How does a leak detection visit work, step by step?

  1. Confirm there is a leak. We shut off fixtures and check the meter for movement.
  2. Isolate the section. We test zones, such as hot lines, cold lines, and the yard line, to narrow the search.
  3. Pinpoint the leak. We use listening devices, pressure tests, and thermal imaging to find the exact spot.
  4. Explain your options. That can be a spot repair, a reroute, or, for failing pipe, repiping. You approve the plan and price first.
  5. Repair and test. We make the repair and test the line. Our pipe repair team handles the fix.

Do slab leak repairs need a permit?

Finding the leak does not. A repair that replaces or reroutes pipe often does, depending on your city. We tell you what applies to your home.

How can I tell if I have a leak?

Turn off every faucet and appliance that uses water, then look at your water meter. If the leak indicator or dial keeps moving, water is going somewhere. Other signs are a bill that rises without a change in use, the sound of running water in the walls, warm spots on the floor, and mold or musty smells.

If water is actively flooding, call our emergency plumbing line right away.

We fix it right the first time, with upfront pricing before any work begins.

From Our Team

Fast Layne Is the Reliable Leak Detection Specialist. Get a Free Estimate Today

Don’t let hidden leaks damage your home or run up your water bill. Fast Layne Plumbing offers trusted leak detection and repair services in Phoenix, AZ, with fast response and honest pricing.

Recent Work

See our work.

Plumbing services we provide across the Phoenix metro

Hole broken through a concrete slab floor to reach a leaking pipe
Overhead view of a slab leak repair with a bucket of excavated soil
Overhead view of a technician digging under a slab with plastic protecting the floor
Technician working in a slab excavation with shovels and plastic floor protection
REVIEWS
What They Say

What your neighbors are saying.

1,000+ Google reviews from neighbors across the Phoenix metro, with a 4.9 average. Real people, real problems, solved fast.

5 star

Fast Layne Plumbing showed up within 24 hours and repaired my emergency. Jesse was awesome, got my water up and running in no time. They were the most affordable out of the 3 quotes I got and also honored their discounts. I have found my plumbing company for any repairs.

5 star

I had an emergency at 9pm and he was the only one that was available out of a dozen others that were supposed to be 24/7. He got to my house very quick and did great work.

5 star

I requested service in the evening to fix a leaky pipe, he responded right away and scheduled me for the next morning. Did a great job. Fast, professional, very reasonable fee. I highly recommend Fast Layne!

5 star

Our water pipe burst on Sunday evening and Fast Layne answered us promptly, came out and had running water that same night. Very professional and friendly, definitely recommend for your services!

Budget-Friendly

Fix it now. Pay over time.

Major drain or sewer work shouldn’t drain your savings. We partner with top lenders for fast, flexible financing.

0% APR options

Flexible 12-60 mo terms

Approval in under 2 min

No prepayment penalty

0%

APR · Up to 12 Months

Payments from $39/mo · Approved in under 2 minutes

DEALS
Save Money Today

Real Savings Right Now.

Limited-time offers for new and returning customers. No hidden fees, no upsells, no surprises, just real savings on the services you need.

$33 FLAT

Drain Cleaning Special

Standard residential drain line with an accessible cleanout. Some restrictions apply.

$50 OFF

Sewer Line Service

Applies to any sewer line repair, replacement, or hydro-jetting service over $500.

10% OFF

First Responders, Senior & Military

Applied to any service for first responders, active duty, veterans, and homeowners 65+. Just ask.

Where We Work

Serving the greater Phoenix metro.

Expert plumbing across the full Phoenix metro, from Surprise and Anthem to Fountain Hills, Cave Creek, and out to Queen Creek and San Tan Valley. Not sure if we cover your town? Give us a call.

West, Central & North
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Plumbing emergency? We answer live, day or night.

Skip the runaround. Call Fast Layne now and talk to a real human who can dispatch a licensed plumber to your door, usually within the hour.

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24/7 Emergency Service
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Locally Owned & Operated
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100% Satisfaction Guaranteed