How Do I Know If I Have a Leak?

A hidden water leak can go unnoticed for weeks or even months while quietly driving up your water bill and causing damage inside walls, ceilings, or even in the attic. In many cases, homeowners don't realize anything is wrong until the bill spikes or visible damage finally shows up.

In our experience working on homes across Central Texas, most leaks aren't obvious at first. They usually start small, stay hidden, and only show themselves once the problem has already developed.

If you suspect you might have a leak, contact us to schedule an inspection.

The Most Common Signs of a Leak

The most common signs we see when homeowners call about a potential leak include:

• A sudden or unexplained high water bill
• Water stains on ceilings or walls
• Wet or soggy spots in the yard
• Toilets or fixtures that sound like they are constantly running

A lot of times, the only early warning sign is the water bill. By the time water stains or wet spots show up, the leak has usually been active for a while.

What You Should Check First Before Calling a Plumber

When a homeowner suspects a leak, the first thing I recommend is a simple check of the water meter.

Start by shutting off all water inside the home. That means no faucets running, no showers, no washing machines, and no dishwashers. Once everything is off, go outside and check the water meter.

If the meter is still moving, there is a leak somewhere in the system.

From there, do a quick visual inspection:

• Look for wet spots inside the home, especially on ceilings and walls
• Check outside for soggy or unusually soft areas in the yard
• Listen for toilets that may be running or refilling on their own

These simple steps can often confirm whether you are dealing with a real leak or something less serious.

A Real Leak Call From the Field

We recently had a homeowner call us about a high water bill, but they didn't see any signs of a leak inside or outside the home.

We performed a basic leak detection walkthrough, checking all the usual suspects. During the inspection, we found the source: the water heater in the attic was actively pouring water.

The homeowner had caught it just in time.

If that leak had gone unnoticed for much longer, it likely would have caused thousands of dollars in water damage. Because it was caught early, we were able to bring in our water remediation team to dry everything out, replace the water heater, and prevent any permanent damage to the home.

This is a good example of how serious a "hidden" leak can be, even when there are no obvious visual signs at first.

When You Should Call a Plumber

In my opinion, homeowners should call a plumber as soon as they suspect a leak they cannot confidently locate or confirm.

That includes situations like:

• The water meter is moving, but you cannot find the source
• Water is coming through a ceiling or wall
• You suspect a slab leak
• You have a high water bill with no clear explanation

Leaks are one of those issues where waiting usually makes the problem worse. The longer water is escaping somewhere it shouldn't be, the more potential damage it can cause.

If you're unsure what to expect when a plumber visits, our guide on what happens during a plumbing inspection covers the process in detail.

Common Misconceptions About Water Leaks

There are a few misconceptions I run into often when talking with homeowners about leaks.

The most common ones include:

• Thinking a leak will always show visible water damage right away
• Assuming a high water bill must be a billing error or meter issue
• Believing small leaks are not urgent
• Thinking leaks only happen in older homes

In reality, leaks can happen in any home, regardless of age, and they are often hidden until they become a bigger problem.

Small leaks are also deceptive. Even a slow leak can waste a significant amount of water over time and eventually lead to structural damage if it goes unnoticed.

Final Thoughts

Most leaks don't announce themselves clearly. In many cases, the first clue is a higher-than-normal water bill or a subtle change in how a system is behaving.

The best thing a homeowner can do is take that first sign seriously and check the basics early.

From what I've seen in the field, catching a leak early almost always means a simpler repair, less damage, and lower overall cost compared to waiting until the problem becomes visible.

Think you might have a leak? Warren Brothers Plumbing provides water leak detection and repair in Bastrop, Austin, Elgin, and surrounding Central Texas communities. Contact us today for an inspection.