Trench across a Boise front lawn with a new blue PEX water service line

Water Line Repair and Replacement in Boise, Idaho

Main water line repair, replacement, and in-home leak diagnosis, starting with a free on-site estimate. We repair and replace main water lines across Boise, Meridian, and Nampa.

  • 4.9 starsGoogle reviews

  • 074153Idaho plumbing license

  • 1-yearworkmanship warranty

  • Freeon-site estimate

Soggy patch of lawn with standing water between the street and a house

Signs Your Water Line Needs a Look

A higher bill, running-water sounds, or a damp patch can signal a leak without revealing where it starts.

  • A Higher Water Bill

    The bill climbs while usage stays the same, and no puddle explains it.

  • Low Pressure Throughout

    Pressure drops at every fixture at once, not just one faucet or shower.

  • Persistent Wet Spots

    A strip of yard stays soft or green, or a damp patch shows on a wall.

  • A Meter That Keeps Moving

    The meter keeps registering use with faucets and irrigation turned off.

Water Line and Leak Repairs

Main Water Line Repair and Replacement

Your main water line carries water from the meter to the house. When a connection or isolated section fails, a repair may be enough if the surrounding pipe is sound. When deterioration goes beyond one spot, water service line replacement may be the better option. We assess the connections, pipe condition, and access, then explain why we recommend repair or replacement.

Leak Diagnosis Inside the House

We check accessible plumbing, fixtures, and connections inside your home, then explain the access and the repair, such as a failed connection, valve, or damaged section of pipe. American Leak Detection handles underground leak detection in Boise. If the leak is underground or outside your home, we tell you on the first visit, and we handle the repair once it is located.

Main Shut-Off Valve Replacement

Some homeowners cannot find their main shut-off valve, or find it stuck or unable to close fully. Replacing it is routine: we locate, assess, and replace the valve and show you where to shut off your supply. Our warranty covers the connections we make, and a new valve or line keeps its manufacturer's warranty. If you have an active leak you cannot shut off, call and describe what is happening.

When the Main Water Line Breaks

Stop using water and close your main shut-off valve if it is safe to operate. It may not stop a leak between the meter and the house, so tell us if water keeps flowing. Water main break repair can involve locating the damage, arranging access, and working with another contractor. Where a boring company is needed, we explain its role and the plumbing work we handle.

What Happens When You Call

We start by seeing the problem in person. Then we explain the recommended work and keep you informed through the repair.

  1. Call or Book

    Call or text 208-789-0777, or book online and tell us what changed with your water.

  2. On-Site Estimate

    We inspect the line and accessible plumbing before quoting the work. The estimate is free.

  3. Complete the Repair

    We explain what failed, where the repair is needed, and what the work involves as we go.

  4. Final Walkthrough

    We review the finished repair with you and explain your one-year workmanship warranty.

What Affects the Cost of Water Line Replacement?

The route and condition of your water line determine the work, and we quote it after a free on-site estimate.

  • Length of the Run. The distance from the meter to the house affects materials and labor.
  • Access to the Pipe. Landscaping, pavement, or other surfaces above the line shape how it can be reached.
  • Locating the Leak. An underground leak may need specialist locating before the repair can be planned.
  • Repair or Replacement. Fixing one section involves a different scope than replacing the full line.
Plumber opening a curbside water meter box with a new service connection
Howe Plumbing truck parked on a residential street

Water Lines in Treasure Valley Homes

The buried line between the meter and your house is easy to overlook until pressure changes or the water bill rises. At your Boise, Meridian, or Nampa home, we assess the service line and its connections at the meter and main shut-off valve. A problem along that outside run is water line repair; replacing supply piping throughout the house is whole-home repiping.

Hear From Our Customers

4.9 stars on Google

Read our reviews
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Dan Lute profile picture
Dan Lute
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They were quick to respond and performed the job at a fair price. Definitely will use them again on my other properties.
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Srinivasan Balakrishnan profile picture
Srinivasan Balakrishnan
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The work was great, quick and very professional. I will gire again in future.
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Joe Grover profile picture
Joe Grover
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Fast, reasonable price, reliable. Water heater needed replaced, provided estimate on Thursday morning, had the replacement done by Friday morning.
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Kim Emerson profile picture
Kim Emerson
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They were professional, fast, and informative.
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Scot Marsh profile picture
Scot Marsh
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Howe does excellent work. I only use them for all my plumbing needs.
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Josh Cronkhite profile picture
Josh Cronkhite
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I had some work done back in March of 2026. John was great, knew what he was doing. Now that I've had my new single-basin sink, new disposal and a new reverse osmosis system up and running for months, I can say without question the work was high-quality. John wasn't afraid to answer questions by this curious customer, no matter how lame my questions may have been. Next plumbling work I need I will be hiring him again. Hire this guy and avoid getting "jobbed" by others.
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Water Line Repair FAQs

My water bill jumped, and I cannot find a leak. What now?

Start by checking whether your meter registers water use when fixtures, appliances, and irrigation are off. Check toilets and accessible connections for ongoing flow or moisture, too. If the meter keeps moving or the bill remains unexplained, call us for an on-site assessment. We diagnose in-home leaks and explain when underground locating is needed.

Can you find a leak in my yard or under the slab?

We do not locate underground leaks in yards or beneath slabs. American Leak Detection handles that locating work, and we handle the repair once the source is identified. If the symptoms point to plumbing inside your home, we diagnose it ourselves. We explain that distinction on the first visit so you know the next step.

Where is my main water shut-off valve, and can you replace it?

We can help you find your main shut-off valve and replace it if it no longer works properly. Look near where the water supply enters the house, which may be in a crawl space, basement, or utility area. The location varies by home. Avoid forcing a stuck valve; we can assess it during the visit.

How long does a main water line replacement take?

The schedule depends on the line's length, access, and any locating or contractor coordination the job requires. A run beneath pavement presents different access needs than one through an open yard. During the free on-site estimate, we explain the expected schedule and any planned interruption to your water supply.

Is a broken water main mine to fix or the city's?

Responsibility depends on which part of the water system has failed and your water provider's rules. We assess whether the problem involves the line serving your home and explain what needs confirmation with the utility. We do not assume the ownership boundary from the location of a wet spot alone.

Schedule a Water Line Assessment

Free on-site estimates and a one-year workmanship warranty. Talk with us about a water line repair, replacement, or an unexplained leak inside your home.

Howe Plumbing service van with the company logo and phone number
Emergency? Call 208-789-0777