LEAK DETECTION IN ST. PETERSBURG, FL

For all your flows, trust the Pros · St. Petersburg & Tampa Bay

A hidden water leak in St. Petersburg gets found fast with the right equipment — before it rots a subfloor, feeds mold, or undermines your slab. Flow Pros Plumbing pinpoints slab leaks, pinhole pipe failures, and underground line breaks using acoustic and thermal imaging technology, usually without cutting drywall, lifting tile, or digging up the yard. We cover homes and businesses across St. Pete — Old Northeast, Kenwood, Snell Isle, Shore Acres — with same-day appointments. Call 727-265-9639.

Signs You Have a Hidden Water Leak

Most hidden leaks announce themselves before you ever see water. If you notice any of these signs in your St. Petersburg home, it's worth a professional inspection right away.

• An unexplained jump in your water bill with no change in usage.
• The sound of running water when every fixture is off.
• Warm spots on tile floors — a classic hot-water slab leak sign.
• Damp or discolored patches on walls or ceilings, or new cracks in baseboards.

Older St. Pete homes with copper or galvanized pipe are especially prone to pinhole leaks, because Florida's hard water corrodes pipe from the inside out. The U.S. EPA estimates household leaks waste about 10,000 gallons of water per home every year — catching one early prevents both the waste and the structural damage.

How We Find Leaks Without Tearing Up Your Home

There's no single tool that finds every leak, so we match the method to the symptom. The goal is always the same: confirm the exact location before anything gets opened, so the repair stays small.

A professional water leak detection service typically pinpoints the exact location in a single visit, which saves homeowners significant time and cost compared to exploratory demolition.

Slab Leak Detection in St. Petersburg

Slab leaks are among the most damaging plumbing failures in St. Petersburg, where aging copper systems and shifting, sandy soil create ideal conditions for under-slab pipe breaks. A slab leak happens when a water line beneath your concrete foundation cracks, letting water erode the soil and threaten the foundation itself.

We locate slab leaks with electronic pressure testing and acoustic ground microphones, then open only the small section of concrete directly over the breach. When a line has corroded past the point of spot repair, we provide copper repiping that lasts for decades, and main line repair or replacement for failed underground service lines.

Sewer Line Leak Detection With Smoke Testing

For sewer and drain lines, we use non-toxic smoke testing — one of the few St. Petersburg plumbing companies to offer it as a standard service. We push smoke into the sewer system, and it escapes through any crack or gap, revealing the exact breach without excavation.

Undetected sewer leaks can cause sinkholes, foundation damage, sewage backups, and harmful gases inside the home, so confirming the line's condition quickly matters. If a leak has already become an active backup, our 24/7 emergency plumbers can respond the same day.

How Much Does Leak Detection Cost?

Professional leak detection in St. Petersburg typically runs $150 to $400, depending on the type and complexity of the inspection. We give you the price before any work begins — no surprise fees after we locate the leak.

In almost every case, the cost of detection is a fraction of repairing damage from a leak left to run for weeks. Our technicians handle both the detection and the full repair, so you're never left with a diagnosis and no one to fix it — the plumber who finds the leak is the one who repairs it.

Leak Detection FAQs