How much does it cost to replace a water supply line?

Author: Rosie Williamson  |  Last update: Wednesday, June 17, 2026

Generally, you can expect to pay between $850–$5,500 for a new ejector pump, depending on the type of pump you need. The national average cost of water line replacement is $3,800, but can cost $10,000 or more. Most pipe materials cost between $2 and $10 per linear foot, but some can be up to $30 per linear foot.

Does homeowners insurance cover main water line replacement?

Homeowners insurance generally covers damage due to broken pipes if their collapse is sudden and unforeseen. Water damage that occurs gradually due to a leaky or rusty pipe, however, is generally not covered.

Who is responsible for the water line from street to house?

Who is Responsible for the Water Line From the Street to Your House? Water service lines within the bounds of your property are considered your personal responsibility to maintain, while public water pipes outside of private property lines are the city's responsibility.

Who pays for water line repair?

If these are damaged or break, the homeowner might be responsible for the repair. A standard homeowners policy does not cover the service lines running into the home—unless you've added service line coverage.

How do you know if your main water line is broken?

Your Water Is Discolored

This is a very obvious sign that something is wrong with your water main line. Obviously, your water should come out clear, with no sediment. If the water coming out of your fixtures is discolored, this means there's probably a leak.

How Much Does It Cost To Replace A Main Water Line?

Can I replace my main water line by myself?

Perhaps the water pressure in your house isn't great or your water supply isn't healthy. If you find yourself in either of these situations, know that it is possible to replace a water main – the main pipe that supplies your water – entirely by yourself. You can also save yourself a lot of money in the process.

How long do water supply lines last?

And should the line collapse or become damaged beyond repair, running water is off-limits until a replacement can be completed -- usually a process taking several days. If you're lucky, your home's water line will last 70 years or more.

Who fixes water line breaks?

Hire a professional: If the location of the water service line break is on your property, you will likely be responsible for the repair. Depending on the complexity of the situation, you will likely want to hire a professional plumber for the specialized equipment and expertise to safely handle the repair.

Can you replace a water line without digging?

Trenchless water line replacement is a technique that allows plumbers to replace old or damaged water lines without having to dig trenches in your yard. With trenchless replacement, you can have your water line repaired in a matter of hours, which means less disruption to your daily routine.

How much does it cost to replace a water line valve?

The last thing that affects shut-off valve replacement costs is where you want to install the new valve and how easy it will be to reach there. The average cost to replace a water shut-off valve is between $375 and $600.

How often do exterior water lines need to be replaced?

Q: How long does a main water line usually last before it needs replacing? Copper lines can last over 50 years, while polyvinyl chloride (PVC) pipes may have a shorter lifespan. Environmental factors and maintenance quality play significant roles.

How much does it cost to replace a water supply pipe?

It's difficult to say exactly how much water supply pipe replacement costs, but the average cost for 20 metres of pipework is around £750. We'll go through the factors that can affect the cost in this guide.

How long does it take to replace a water line?

The crew then performs the necessary repairs and replacements. Once the pipe is in working order, they will flush it before reconnecting it to the plumbing system to ensure it is ready to go. How much time will it take for the repair? On average, the main water line repair will take between four and eight hours.

Can I fix my own water line?

While some plumbing issues are easy to deal with as a DIY project, like a leaky faucet or running toilet, water supply line repairs are more complicated and can cause severe, costly damage if you make a mistake. We strongly recommend contacting a professional for water pipe repair or replacement.

How much does it cost to replace a broken water line?

Average Cost to Repair a Main Water Line

According to HomeAdvisor, U.S. homeowners spent an average of $982 for main water line repairs in 2022. However, the actual range can vary widely. Repairs start around $350 on the low end and climb up to $5,000 or more to replace a water line.

When should I replace my water supply lines?

It's important to know the warning signs that it's time to repair or replace your water line.
  1. Discolored Water. Your water should be clear - always. ...
  2. Rust and Corrosion. ...
  3. Higher-Than-Usual Water Bills. ...
  4. Sudden Drop In Water Pressure. ...
  5. Soggy Patches On Your Lawn. ...
  6. Wet Spots On Floor.

Who owns the water line to my house?

I live in Southern California, the water company is responsible for the water pipe that comes from the street until it reaches the water meter (usually near the curb in front of your house). The part of the pipe that goes from the water meter to your house and all the pipes inside your house are your responsibility.

How deep are water lines buried?

Your water line must be buried at least 12 inches below the frost line to meet local code requirements. However, a minimum depth of 6 inches below the frost line is often recommended for extra security against freezing.

Does homeowners insurance cover water line breaks?

Does homeowners insurance cover water line breaks? Most homeowners insurance policies will not cover water line breaks unless a line has undergone sudden, significant damage. For example, if you dig in your yard and accidentally damage the water line running from your meter, repairs and cleanup may be covered.

Do water supply lines go bad?

The Lifespan of a Water Line

Typically, main water line pipes last decades. Some experts estimate that they last around 70 years, though this can vary from development to development. If your home is considerably dated–if it was built in or before the 1950s or even the 1980s–you should have its water line inspected.

Does every house have a main water line?

Every house has at least one main water shut-off valve. Look for where the plumbing enters the home to find yours. There are a couple of main spots to check inside first before heading outside to look. You can save yourself some time by checking your property inspection report if you know where that is.

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