Section of old copper pipe with a green corroded pinhole leak

Where Pipe Leaks Happen in a Home

This page covers leaks in the water lines inside your house: under sinks, behind toilets, inside walls and ceilings, at the water heater, and along exposed runs in the garage or crawl space. Leaks under the foundation are a different job, covered on our slab leak detection page. Breaks between the meter and the house fall under water line repair.

The failure points we repair most often:

  • Pinhole leaks in older copper, often on hot water lines
  • Corroded galvanized joints that weep at the threads
  • Braided supply lines and shutoff valves under sinks and toilets
  • Fittings at the water heater
  • Pipe damaged by remodeling, a nail through the wall, or shifting framing

How We Repair a Leaking Pipe

Stop the damage first, then fix the pipe so it stays fixed.

Stop the water

If water is still flowing, we isolate the line or shut the main so the damage stops growing.
Step 1

Find the exact failure

Visible leaks are easy. Hidden ones get traced with the electronic and thermal tools our leak detection team uses, so we open only where the leak is.
Step 2

Repair the section

We cut out the failed section and replace it with new pipe and fittings in copper or PEX, matched to what is already in the wall.
Step 3

Test and close up

We pressure test the repair before the access opening is closed. The patch scope is written into your estimate before work begins.
Step 4
Opened wall section exposing a repaired copper water line

One Leak or the First of Many?

A single leak from a nail, a worn supply line, or a bad fitting is a repair. We fix it and you move on.

Pinhole leaks are different. When copper starts failing from the inside, the next pinhole is usually not far away, often on the same run. If we see that pattern, we tell you, and we show you what a whole-home repipe would cost next to another round of patches. The choice stays yours.

Why 5-Star

Why Homeowners Call 5-Star Plumbing

In-House Licensed Technicians

Every plumber on our truck is on our payroll: trained, background-checked, and certified by the brands we install. We never subcontract your home to strangers.

Upfront Flat-Rate Pricing

You see the full cost before we start. The price you approve is the price you pay, even if the job takes longer than expected.

We Open Only What We Must

We locate the leak before we cut, keep access openings small, and tell you exactly what the patch will cover before any work begins.

1-Year Labor Warranty

We stand behind our craftsmanship. If anything related to our work needs attention within the first year, we come back and fix it at no charge.

Pipe Leak Questions, Answered

November SPECIAL
Request a quote online or call us and get extra 20% OFF