Leak detection & slab leak signs

A warm spot on the floor, or a water bill that doesn't add up? Here's what it actually means.

San Tan Pro Plumbing is a referral service, not a licensed contractor. We connect you with independent, licensed local plumbers.

San Tan Valley's homes are young — the median is only around 19 years old — so slab leaks are genuinely less common here than in older cities. That's real reassurance, not a reason to ignore the signs. Here's what to watch for, and when it's worth calling to find out for sure.

Call (480) 241-8921 See the warning signs

What to watch for

The classic warning signs of a slab leak

These are widely known, real symptoms — worth knowing regardless of where you live, and worth a call if more than one shows up at once.

A warm patch on the flooring with no obvious cause
A water bill that's risen without a clear reason
The sound of running water when every fixture is off
A noticeable, unexplained drop in water pressure
Damp carpet, baseboards, or flooring in one specific spot
A musty or mildew smell concentrated in one area

Built for San Tan Valley — the full picture

Why this is currently a smaller-volume issue here

Copper pinhole leaks and slab leaks typically become common once a home reaches roughly 30–45 years old. San Tan Valley's median home is only around 19 years old — this housing stock hasn't reached that window yet. San Tan Valley's hard water does contribute to pipe corrosion over long timeframes, but that's a slow, cumulative factor, not an urgent one for homes this age. This is reassurance, not a dismissal: know the signs above, and call if something feels off — there's no need for alarm given how young most homes here still are.

A slab leak that keeps recurring, rather than a one-time event, is sometimes the first real sign a full repipe is worth considering — see whole-home re-piping.

The way we work

How we help

One call to get connected

If something feels off, call and we'll connect you with a licensed local plumber who can find out why.

Estimates come from the plumber

The licensed plumber you're connected with sets the price, not us. Ask for a written estimate before any work begins.

Check any license yourself

We connect you with Arizona plumbing contractors licensed by the Registrar of Contractors (ROC). We don't perform the work ourselves. Verify any Arizona license yourself at roc.az.gov.

Good to know

Frequently asked questions

Is a slab leak common in San Tan Valley?

Not yet — San Tan Valley's median home is around 19 years old, and slab leaks typically become common once a home reaches roughly 30–45 years old. That will change as the housing stock ages, but for most homes here right now, it's a smaller-volume issue.

What does a warm spot on my floor actually mean?

It can indicate hot water leaking from a pipe beneath the slab, which is one of the classic slab leak signs. It doesn't always mean that, but it's worth having a licensed plumber check rather than guessing.

Does hard water cause slab leaks?

It contributes to pipe corrosion over long periods, but it's not the sole cause and it acts slowly — a cumulative factor over decades, not something that creates a leak on its own in a short time.

Will I know the price before any work starts?

Ask for a written estimate before any work begins. We don't set the price; the licensed plumber who does the work does.