USA Expert Plumbing

Water line replacement cost (2026)

By USA Expert Plumbing Editorial Team. Updated . 2 min read.

Short answer

Replacing the main water line from the street to the house typically costs about $2,000 to $5,000 in 2026, according to HomeGuide. Per foot, trenched replacement runs about $50 to $200 and trenchless about $70 to $250. A repair of one damaged section often costs $400 to $1,500, while long or difficult runs can exceed $10,000.

In this guide
  1. Typical costs
  2. What affects the price
  3. Signs the line needs attention
  4. Who is responsible
  5. Lead service lines
  6. How to compare quotes

The water service line brings water from the city main, or from the curb stop, to your house. When it leaks, corrodes or loses pressure, the fix may be a short repair or a full replacement.

Figures are 2026 national estimates compiled from published cost guides such as Angi, HomeGuide and This Old House. Prices in high-cost metro areas often run above these ranges.

Typical costs

ItemTypical 2026 cost
Repair of one damaged sectionAbout $400 to $1,500
Full replacement, typical homeAbout $2,000 to $5,000
Trenched replacement, per footAbout $50 to $200
Trenchless replacement, per footAbout $70 to $250
Long, deep or difficult runs$10,000 or more

What affects the price

  • Length from the curb stop or meter to the house.
  • Depth. Cold climates bury lines deeper to protect them from freezing.
  • Method. Trenchless costs more per foot but avoids restoring the yard.
  • Surfaces on top. Driveways, walkways and landscaping add restoration cost.
  • Pipe material and diameter. Most service lines are 3/4 to 1 inch; upsizing can improve pressure.
  • Permits and utility coordination, including locating other buried utilities.

Signs the line needs attention

  • Low pressure at every fixture in the house
  • A water bill that jumps with no change in use
  • A wet or unusually green strip in the yard along the line
  • Rusty water at every tap, common with old galvanized service lines
  • The water meter moving when every fixture is off

Who is responsible

In most places, the homeowner owns the line from the curb stop or meter to the house, and the utility owns the part from the street main to the curb stop. Boundaries vary, so call your water utility before work begins; it may need to shut off the water at the curb.

Lead service lines

If your line is lead, many cities have replacement programs that cover some or all of the cost. Ask your water utility whether your address has a lead service line and whether help is available.

How to compare quotes

  • Get at least two or three written quotes for the same scope of work.
  • Ask what is included: permits, inspections, cleanup, and any wall, floor or yard restoration.
  • Ask about the warranty on both parts and labor.
  • Be wary of a quote far below the others and ask what it leaves out.

Common questions

Is a leaking water line from the street covered by insurance?

Standard homeowners policies often exclude the line itself. Some insurers and utilities offer service line coverage for a small monthly fee.

How long does it take to replace a main water line?

Simple runs are often finished in one or two days. Long or complex runs can take two to four days.

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