How To Tell If You Have a Hidden Plumbing Leak

Not all plumbing leaks announce themselves with a flood.

In many Norfolk County homes—especially in Simcoe, Delhi, Port Dover, Waterford, and nearby towns—the most expensive damage comes from slow, hidden leaks that go unnoticed for weeks or even months.

Knowing the early warning signs can save you thousands in repairs.

Common Signs of a Hidden Plumbing Leak

Hidden leaks often show up in subtle ways. Homeowners across Norfolk County should watch for:

1. Unexplained increases in water bills

   A steady rise in water usage without changes in habits is often the first red flag.

2. Damp or discoloured walls, ceilings, or floors

   Water trapped behind drywall or under flooring can cause staining, bubbling paint, or warped surfaces.

3. Musty smells or lingering humidity

   Even without visible water, mold and mildew odors can indicate moisture buildup.

4. Sounds of running water when nothing is on

   If you hear water moving through pipes when fixtures aren’t in use, a hidden leak may be present.

Areas Where Leaks Commonly Hide

In Simcoe and Delhi homes, hidden leaks most often occur:

1. Behind bathroom vanities and cabinets

2. Inside walls connected to showers or tubs

3. Under kitchen sinks

4. In basements or crawl spaces

5. Around older plumbing joints or previous renovations

Homes that have undergone multiple updates over the years are especially prone to concealed plumbing issues.

Why Hidden Leaks Are So Costly

A slow leak might seem harmless—but over time it can lead to:

1. Mold growth

2. Structural damage

3. Rotting subfloors or framing

4. Damaged cabinetry and finishes

By the time water becomes visible, repairs are often far more extensive.

What Homeowners Can Do Right Away

If you suspect a hidden plumbing leak:

1. Check your water meter when no water is being used

2. Inspect under sinks and vanities for moisture

3. Look for changes in flooring or wall texture

4. Don’t ignore persistent odors or dampness

Early action makes a big difference.

When to Call a Plumber

You should call a plumber if:

1. Your water bill continues to rise unexpectedly

2. You notice moisture behind walls or flooring

3. You hear running water with fixtures off

4. You’re unsure where a leak may be coming from

Finding and fixing leaks early protects your home and prevents unnecessary damage.

Protect Your Norfolk County Home

Whether you live in Simcoe, Delhi, or one of Norfolk County’s smaller communities, hidden plumbing leaks are far easier to handle when caught early.

We help homeowners with:

✔ Leak detection

✔ Plumbing inspections

✔ Vanity and bathroom plumbing checks

✔ Preventative maintenance

📞 Think you might have a hidden leak? Contact us today to book an inspection and get peace of mind.