Copper water lines and an expansion tank connected to the top of a tank water heater

Why Homeowners Choose Copper

Copper has carried drinking water in American homes for generations, and it is still the material many homeowners ask for by name. A new copper system is a long-term upgrade for the whole house.

  • Rigid metal pipe that holds its shape and looks finished on exposed runs in a garage, basement, or utility wall
  • Handles heat and direct sunlight, so it works on outdoor runs and next to the water heater
  • Rodents cannot chew through it in attics and crawl spaces
  • Matches the rest of the system in homes that are already plumbed in copper
  • A material buyers and home inspectors recognize when the house goes up for sale

Comparing materials before you decide? Our PEX repiping page explains the alternative. This page covers what a copper repipe involves.

Copper supply line with a shutoff valve and flexible connector at a water heater

What a Copper Repipe Involves

A copper repipe replaces every pressurized supply line in the house: the runs to sinks, showers, tubs, toilets, the water heater, laundry, and hose bibs. Drain and sewer lines are a separate system and are not part of this job.

More Access, Planned Ahead

Copper comes in straight lengths, and every change of direction needs a fitting. That means more wall and ceiling openings than a PEX job. We map each run before we start so the openings land where they are easiest to close, and the patch scope is written into your estimate.

Lead-Free Joints

Federal law has required lead-free solder on drinking water lines since 1986. Every joint we make on a supply line meets that rule, and the whole system is pressure tested before any wall is closed.

Bonding and the Water Heater

In many older homes the metal water pipe is part of the electrical grounding path. When we replace it, we restore that bond, and our in-house electrician handles it if the panel side needs work. At the water heater we install dielectric connections so the copper and the steel tank do not corrode each other.

For the full picture of when a home needs new supply lines at all, see whole-home repiping.

Why 5-Star

Why Homeowners Choose 5-Star for Copper Repiping

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.

Expert Permit Management

Some plumbing companies skip permits to save time. We do not. Water heaters, repipes, sewer, and gas work go through the City's Building Division, and we handle the filing and the inspection under our license.

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.

Copper Repiping Questions, Answered

What to Expect: From Estimate to New Copper

Assessment and written quote

We locate every supply run, confirm what pipe you have now, and give you a flat-rate quote in writing.

Permit filed

We pull the repipe permit through the City's Building Division under our license before any work starts.

Repipe days

We run the new copper system, keeping openings where they are easiest to close and restoring water each evening.

Pressure test and bonding

We test every run under pressure and restore the electrical bond before anything is covered.

Patch and cleanup

We close the access openings listed in your estimate and leave the work areas clean.

Inspection and warranty

The City signs off on our permit, and your labor is covered for one year.
November SPECIAL
Request a quote online or call us and get extra 20% OFF