Plumbing

Leak Detection And Repair in Central Indiana

Johnson Heating, Cooling, and Plumbing

Need a fast, accurate leak fix today? We find and repair slab, main line, and fixture leaks with proven methods. Our NATE-certified, background-checked techs arrive in stocked trucks to solve most issues the same visit. Serving Central Indiana, including Indianapolis, Carmel, and Greenwood. Trusted by neighbors with a 4.9 rating from 1,622 reviews. Call or schedule online for prompt service.

Why Choose Us

  • Certified technicians

    NATE-certified, background-checked, and drug-tested team

  • Local since 1968

    Over 58 years of service in Central Indiana

  • Licensed and insured

    Licensed, bonded, and insured for your protection

  • Upfront communication

    Clear options and honest, written guarantees

  • Prepared for same-day fixes

    Fully stocked trucks for most repairs on first visit

Reviews

What Our Customers Say

Customers mention

  • professionalism1
  • quality1
  • speed1

Based on the reviews shown here.

  • Located the main water line leak and fixed it. Courteous and honest.
    Fabiola Robles
  • Came on a Saturday night, found the problem, and fixed it fast.
    Nick Baxter

FAQs

Frequently asked questions

Still have questions?

What should I do immediately if I discover a water leak at home?

If you discover a water leak at home, shut off the water, stay clear of electricity, and call a licensed plumber right away. Most sudden leaks come from a failed supply line or a burst pipe, so stopping the water flow first prevents damage. For homeowners we serve in the Needham area, our team can locate hidden leaks with non-invasive tools like acoustic listening, pipe locators, and thermal imaging when needed.

Take these quick steps:

  • Turn off the nearest fixture valve; if leaking continues, close the main shutoff.
  • If water is near outlets or appliances, cut power to the area and avoid standing water; open a low cold faucet to relieve pressure.
  • Contain water with towels or a bucket and photograph damage for insurance.
  • Avoid using plumbing fixtures until a technician inspects; if you can’t stop the flow or ceilings sag, treat it as an emergency.

Find and label your main shutoff and water heater controls before you need them.

Updated: 2026-06-05

Need help in Needham, IN? Call 317-830-5862 or book online.

What is the best way to fix a leaking pipe fast?

The best way to fix a leaking pipe fast is to shut off the water and have a licensed plumber pinpoint the leak and complete a targeted repair or reroute. Accurate detection is what saves the most time, because guessing often leads to repeat leaks and extra demolition. Johnson Heating, Cooling, and Plumbing uses non-invasive tools—acoustic listening, thermal imaging, and specialized pipe locators—to find hidden and slab leaks, then fixes the damaged section, reroutes lines, or applies trenchless options to limit disruption, often removing no more than a small piece of flooring. We handle this kind of work routinely for homeowners in the Indianapolis area. A clamp or push-fit coupling can slow the leak briefly, but it is only a stopgap.

Do these immediate steps while you wait for service:

  • Turn off the main water valve and open a lower-level faucet to drain pressure.
  • Catch drips with a bucket and move belongings to prevent damage.
  • Avoid using electricity near wet areas and take photos for insurance.
  • Call a plumbing pro for diagnosis and permanent repair.

If water is near outlets or your electrical panel, keep clear and seek emergency help right away.

Updated: 2026-08-07

Need help in Indianapolis, IN? Call 317-830-5862 or book online. "I could not have ask for a better company to fix my water leak." — Julie D.

What are the most common slab leak symptoms in a home?

The most common slab leak symptoms in a home are signs of hidden water escaping beneath the concrete, best confirmed by professional leak detection rather than guesswork. Most slab leaks begin when a buried pipe under the slab cracks or breaks and lets water migrate into surrounding areas.

To verify a slab leak, trained plumbers use acoustic listening devices, specialized pipe locators, and thermal imaging to pinpoint the source with minimal disruption. In many homes we serve around Whiteland, our non-invasive, state-of-the-art methods locate the leak precisely so repairs can be targeted. Once found, repairs are designed to last and may involve accessing the pipe through the slab, rerouting lines, or using trenchless options; in fact, many repairs require removing no more than a small section of flooring, sometimes as little as a single tile. Thermal imaging can reveal a heat signature from a hot-water leak even before any surface clue appears. If you suspect a hidden leak, schedule a professional leak detection promptly to limit structural and mold risks.

Updated: 2026-07-30

Need help in Whiteland, IN? Call 317-830-5862 or book online.

How much does plumbing leak repair typically cost for homeowners?

Plumbing leak repair pricing is confirmed after an on-site inspection because costs depend on the leak’s location, access, and the chosen repair method. Most expenses come from accurately finding the leak and reaching it without unnecessary damage. We use non-invasive diagnostics like acoustic listening, specialized pipe locators, and thermal imaging to pinpoint issues; for slab leaks, repairs often require removing only a small section of flooring, sometimes as little as a single tile. In the Mooresville area, our licensed plumbers handle everything from hidden wall leaks to slab leaks with targeted, low-disruption fixes. Small, accessible leaks are typically repaired; recurring or slab-related problems may call for rerouting or trenchless options. Comfort Club members receive priority scheduling and discounts.

What drives price variation:

  • Accessibility and surface restoration needs
  • Type of leak (supply, drain, or slab) and its severity
  • Repair approach (direct repair, reroute, or trenchless)
  • Urgency and after-hours requirements

If water is actively flowing or near electrical, shut off the main valve and call a licensed plumber.

Updated: 2026-06-25

Need help in Mooresville, IN? Call 317-830-5862 or book online. Highly recommend Johnson's! — Peg R.

How does water leak detection work in a home?

Water leak detection in a home uses non-invasive, state-of-the-art diagnostics to pinpoint hidden plumbing leaks and direct the right repair. Because many leaks hide under slabs or behind finished surfaces, technicians combine listening, pipe tracing, and heat sensing to find the exact spot without tearing up your home. We perform this work every day across the Columbus area. Listening for water movement and mapping pipe runs lets us zero in before any opening, and when a slab leak is confirmed, most repairs disturb only a small flooring section, sometimes a single tile; trenchless reroutes are used when possible to limit disruption.

Typical steps and choices include:

  • Acoustic listening devices to detect water movement.
  • Specialized pipe locators to trace concealed lines.
  • Thermal imaging to identify temperature changes from hot water leaks.
  • Targeted repairs: direct slab access, rerouting lines, or trenchless methods.

If you suspect a leak, schedule professional diagnostics promptly to prevent further damage.

Updated: 2026-07-16

Need help in Columbus, IN? Call 317-830-5862 or book online.

How Much Does Plumbing Leak Repair Cost?

Plumbing leak repair cost varies widely and is finalized after an on-site diagnosis by a licensed plumber. Most higher bills happen when the leak is hidden behind finishes or under a slab because accessing it takes more time. A pinhole near a shutoff can be a quick spot fix, while a deteriorated main under concrete often calls for rerouting or a trenchless approach. We handle these situations every week for homeowners around the Columbus area. Active leaks deserve prompt repair to limit damage; widespread corrosion may make partial repiping the smarter spend.

Key factors that affect price:

  • Hidden vs exposed location (behind drywall, under slab, in yard)
  • Repair scope (spot repair, section replacement, reroute or trenchless)
  • Pipe type and condition (copper, PEX, galvanized; corrosion level)
  • Restoration needs after repair (tile, concrete, landscaping)

Schedule a diagnosis so a licensed plumber can locate the leak and provide a firm written estimate before work begins.

Updated: 2026-10-28

Need help in Columbus, IN? Call 317-830-5862 or book online. “He was able to find the problem and fix it fast for us.” — Nick B.

How Much Does It Cost To Have A Water Leak Detected Professionally?

The cost to have a water leak detected professionally varies by the situation and is confirmed after on-site diagnostics. Most variation comes from how hard the leak is to access (under a slab, behind walls, or outdoors) and which tools and steps are needed to pinpoint it.

Many calls start after a sudden spike in the water bill or new damp spots; detection locates the source so repair options and pricing can be set clearly. In our Columbus-area work, we use acoustic listening, specialized pipe locators, and thermal imaging to find hidden leaks with minimal disruption. A technician may recommend repair, reroute, or short-term monitoring if the line is stable and damage risk is low. Comfort Club members receive priority scheduling and discounts.

Common cost drivers:

  • Leak location and building materials (slab, crawl, yard, or interior wall)
  • Accessibility and any surface opening required
  • Diagnostic methods and time on site
  • Urgency (after-hours) and whether multiple leaks are found

Schedule a diagnostic visit promptly to limit water damage and avoid higher repair costs.

Updated: 2026-05-07

Need help in Columbus, IN? Call 317-830-5862 or book online. “Jesse gave me a couple of options and I picked the one that worked best for me and my family… very professional and helpful.” — Jesse R.

How Can I Find a Water Leak Inside a Wall or Ceiling?

A wall or ceiling water leak is best found using non-invasive detection like acoustic listening, thermal imaging, and specialized pipe locators. Most people first notice a stain or damp area, but pinpointing the source usually needs equipment to avoid unnecessary opening of walls. We use state-of-the-art diagnostics to locate hidden leaks and provide targeted repairs designed to last, and we handle this work daily across the Carmel area. When slab or in-wall pipes are the issue, our methods locate the leak with precision and typically keep disruption low. Same-day emergency service is available in many instances.

Look for these signs or actions to guide your next step:

  • New stains, bubbling paint, or sagging drywall in a focused area
  • Musty odor or persistent dampness that returns after drying
  • Water meter moving when all fixtures are off
  • A warm strip on drywall that hints at a hot-water line

If water is near outlets or light fixtures, turn off power to that circuit and shut the main water valve before calling a licensed plumber.

Updated: 2026-06-19

Need help in Carmel, IN? Call 317-830-5862 or book online. Fast reliable service punctual, great communication, professional, knowledgeable servicemen, respectful of property, great cleanup. — Peg R.

Do Water Leak Detectors Really Work To Prevent Major Damage?

Water leak detectors do work to prevent major damage by warning you early and, when paired with an automatic shutoff, stopping the water before it spreads. Most big losses happen because leaks run unnoticed for hours in walls, under floors, or beneath the slab.

Detectors are great for standing water or slow drips, while hidden or slab leaks often need professional diagnostics like acoustic listening, specialized pipe locators, or thermal imaging to confirm the source and plan the right repair. Our team handles hidden leaks in homes across the Whiteland area using non-invasive methods to locate problems with precision. A simple alarm reduces risk; a detector plus prompt expert verification is what truly limits demolition and downtime.

Use these placements and habits to boost protection:

  • Put sensors near water heaters, under sinks, behind washers, and near sump pumps.
  • Choose models that text/push alerts; add auto-shutoff when possible.
  • Test monthly and replace batteries on schedule.
  • Call a pro if alerts repeat without a visible puddle.

If a detector goes off or you see moisture with no source, shut off the main water and schedule a leak assessment.

Updated: 2026-05-22

Need help in Whiteland, IN? Call 317-830-5862 or book online. "They were able to come out for a main line leak quickly and the crew was courteous and professional... We will definitely be using this company for our future plumbing needs." — Harold J.

Can you fix a water leak yourself safely?

You can safely fix a minor, accessible drip (like a loose faucet or supply-line washer) if you can shut off the water, but hidden leaks, slab leaks, or anything inside walls or under floors should be handled by a licensed plumber. Most DIY fixes fail because unseen pipe damage or water pressure turns a small pinhole into a burst. Johnson Heating, Cooling, and Plumbing uses acoustic listening devices, specialized pipe locators, and thermal imaging to find hidden leaks, and we offer non-invasive, state-of-the-art detection with trenchless options; most slab leak repairs remove no more than a small section of flooring, sometimes as little as a single tile. Our plumbers handle these problems every week throughout the Greenwood area.

Call a pro fast if you notice:

  • Water meter spinning with all fixtures off (quickest home check for a hidden leak)
  • Warm floor spots or water sounds in walls
  • Unexplained high water bill or damp slab
  • Musty odor or new foundation cracks

If you’re unsure, shut off the main, avoid electricity near water, and schedule a licensed plumber.

Updated: 2026-07-09

Need help in Greenwood, IN? Call 317-830-5862 or book online. “Great set of knowledgeable technicians to have on your team.” — Devin P.

Can a slab leak be fixed without replacing the entire slab?

Yes, a slab leak can be fixed without replacing the entire slab. Most repairs focus on the pipe itself, not the concrete, using non‑invasive, state‑of‑the‑art detection to locate the leak with pinpoint accuracy. After locating it, our plumbers may repair the damaged pipe through the slab, reroute plumbing lines to bypass trouble spots, or use trenchless methods to limit disruption. Most slab leak repairs require removing no more than a small section of flooring, often as little as a single tile. These approaches are used in homes across the Fishers area. Comfort Club members receive priority service and exclusive discounts.

Schedule a professional leak inspection quickly to limit hidden water damage.

Updated: 2026-07-03

Need help in Fishers, IN? Call 317-830-5862 or book online. "Highly recommend Johnson's!" — Peg R.

Need Professional HVAC & Plumbing Service in Indianapolis-Carmel-Greenwood?

Restore your home's comfort with dependable HVAC & Plumbing service from our skilled technicians in Indianapolis-Carmel-Greenwood and surrounding communities.

Call nowSchedule service