Water Leak Detection in Jacksonville & Orange Park, FL

A hidden plumbing leak can do a lot of damage before you ever see a drop of water. Pipes leak behind walls, under floors, beneath concrete slabs, and along underground water lines, letting moisture spread quietly into places you can’t easily inspect. Lance Maxwell Plumbing provides professional leak detection for homes and businesses across Jacksonville, Orange Park, and the rest of Clay, Duval, and St. Johns counties. We’ve been a locally owned plumbing company here since 1994, and our goal is simple: find the leak accurately so it can be repaired with as little disruption to your property as possible.

Schedule leak detection and we’ll get you on the calendar.

How Professional Leak Detection Works

A puddle under a sink doesn’t take much detective work. Water showing up along a baseboard while every visible pipe looks dry is another story. Professional leak detection combines plumbing experience with diagnostic equipment to locate the source of water loss without opening walls or digging up the yard on a guess. We start by confirming there’s a leak and narrowing down which part of the system it’s in. Then we use the right tools for the situation to pinpoint the location before recommending a repair.

Leak Detection Methods We Use

Acoustic leak detection. Listening equipment picks up the sound and vibration of pressurized water escaping from a pipe, which is especially useful under slabs and floors.
Pressure testing. Isolating sections of the plumbing system and checking for pressure loss tells us which line is leaking.
Moisture detection. Moisture meters identify abnormal moisture in drywall, flooring, and ceilings so we can trace water damage back toward its source.
Thermal imaging. Temperature differences from moisture or leaking hot water lines can show up on a thermal camera, revealing patterns you can’t see with the naked eye.

No single method works for every leak. We choose the approach based on the pipe material, the suspected location, and what the symptoms are telling us.

Signs You Have a Hidden Water Leak

A water bill that jumps without a change in usage
A water meter that keeps moving when every fixture is off
Water stains, bubbling paint, or soft spots on walls and ceilings
Warped baseboards, cabinets, or flooring
Musty odors, mold, or mildew with no obvious cause
The sound of running or dripping water when nothing is on
Warm spots on the floor
Wet areas, standing water, or unusually green grass in the yard
Water pressure that’s dropped throughout the house

Where We Find Hidden Leaks

Leaks Behind Walls and Ceilings

A failed connection, pinhole leak, or aging fitting can release water slowly enough to stay hidden for months. Because water travels along framing and drywall, the wettest spot you can see often isn’t where the leak started. Pinpointing the source means opening one small area instead of chasing damage across a wall.

Slab Leaks Under Your Foundation

Most homes in Northeast Florida are built on concrete slabs with water lines running underneath. Accurate detection is especially important here, since reaching the pipe means going through or around the slab. Once we’ve located the leak, we’ll walk you through the repair options. Learn more about slab leak repair.

Underground Water Line Leaks

The service line between your meter and your house can leak under lawns, driveways, and landscaping because of corrosion, shifting soil, roots, or damaged fittings. Narrowing down the location first keeps excavation small. See our sewer and water line services for repairs.

Why Early Leak Detection Matters

A leak never gets better by being ignored. The longer water escapes into walls, flooring, cabinets, insulation, or the soil under your slab, the more damage it causes and the more it costs to fix. Finding it early helps:

Limit damage to drywall, flooring, cabinets, and finishes
Stop paying for water you’re not using
Reduce the conditions that lead to mold and mildew
Protect structural materials and your foundation
Keep a small plumbing repair from becoming a large restoration project

From Detection to Repair

Finding the leak is only half the job. Because we’re a full-service plumbing company, the team that locates your leak can also fix it, whether that’s a quick plumbing repair, a slab leak reroute, or, if your pipes keep failing, whole-house repiping. If water is actively damaging your home, call for 24/7 emergency plumbing.

Why Choose Lance Maxwell Plumbing for Leak Detection?

Locally owned since 1994. More than 30 years finding and fixing leaks in Orange Park, Jacksonville, and Clay County.
Best of Clay winner four years running, 2021 through 2024.
Detection and repair from one team, so you’re not coordinating two contractors.
Residential and commercial leak detection.

Leak Detection Across Clay, Duval & St. Johns Counties

We provide leak detection throughout Orange Park, Fleming Island, Middleburg, Green Cove Springs, and Julington Creek, plus Jacksonville neighborhoods including Mandarin, Deerwood, Baymeadows, Riverside, and Oakleaf Plantation.

Leak Detection FAQs

How do plumbers find a leak without opening walls?

We use acoustic listening equipment, pressure testing, moisture meters, and thermal imaging to narrow down a leak’s location. That way, if we do need to open a wall or floor, it’s a small, targeted area.

Can you find a leak under concrete?

Yes. Leak detection equipment can locate many leaks beneath slabs without breaking up large sections of floor. Once the leak is pinpointed, we’ll recommend the best repair approach.

How can I check for a leak myself?

Turn off every faucet and water-using appliance, then look at your water meter. If it’s still moving, water is escaping somewhere. Watch it for a few minutes to catch slow leaks.

Is a higher water bill always a hidden leak?

Not always. Seasonal irrigation, guests, or a running toilet can raise usage too. But an increase you can’t explain is worth investigating, because hidden leaks rarely stop on their own.

How much does leak detection cost?

It depends on the type of leak, where it is, and how much testing is needed to locate it. We’ll explain pricing before we start.

Schedule Leak Detection

When water is showing up where it shouldn’t, guessing at the source wastes time and causes more damage. Contact us to schedule leak detection in Jacksonville, Orange Park, or anywhere in Clay, Duval, and St. Johns counties.