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Cost Guide

Sewer Line Replacement Cost?

Sewer line replacement typically costs $50 to $250 per linear foot, as of mid-2026. Most homeowners pay about $150 per foot. Get 2 to 3 quotes before choosing a contractor.

Reviewed by Sewer Verdict Team9 min read
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The short answer

Sewer line replacement typically costs $50 to $250 per linear foot, with most jobs around $150 per foot, as of mid-2026. Total project costs usually fall between $1,000 and $20,000. The final price depends on the method, pipe length, and site conditions. Always get 2-3 quotes.

Key takeaways

  • Typical cost is about $150 per foot: Most homeowners pay this for a standard replacement.
  • Trenchless methods cost $50-$250 per foot: They often save on restoration, but not always.
  • Camera inspection is essential: You can't choose the right method without one.
  • Get multiple quotes: Prices vary widely between contractors.

Replacing a sewer line is a major but sometimes unavoidable expense. The cost depends on the length, method, and your yard's layout. This guide breaks down what you can expect to pay, the factors that drive the price, and how to avoid overpaying.

How much does sewer line replacement cost?

Sewer line replacement costs are usually quoted per linear foot.

  • Typical per-foot cost: $50 to $250, with most jobs around $150 per foot.
  • Total project range: $1,000 to $20,000, depending on length and method.
  • Key drivers: Pipe length, method chosen, and how much digging or restoration is needed.
  • Use the [Sewer Repair Cost Calculator](/sewer-repair-cost-calculator) to estimate your specific job.
Pipe bursting typically costs less per foot than the other methods.Bar chart. Open trench: 150; Pipe bursting: 125; CIPP lining: 150.Pipe bursting typically costs less perfoot than the other methods.Open trench150Pipe bursting125CIPP lining150

What factors change the sewer line replacement cost?

Several details affect your final bill. The method, pipe length, and difficulty of access are the biggest ones.

  • Method choice: Open trench costs $50-$250/ft, pipe bursting $50-$200/ft, CIPP lining $50-$250/ft.
  • Pipe length: Longer lines cost more overall, but per-foot rates may drop slightly for big jobs.
  • Difficulty of access: Digging under a driveway or slab can add $300-$350 per foot for that section, but this is usually built into the quote.
  • Pipe material: PVC is cheapest, cast iron is priciest, but material cost rarely changes the installed price by more than a few percent.
  • Learn more about methods in our Trenchless vs Dig Decision Tool.
The biggest cost driver is the length of pipe you need replaced.3 fact cards: Pipe length, Method, Access.The biggest cost driver is the length ofpipe you need replaced.Pipe length20 ft vs 100 ft changes total costdramaticallyMethodTrenchless often costs less whenrestoration is countedAccessUnder-slab work adds hundreds per foot

What does sewer line replacement cost by method?

There are three main ways to replace a sewer line: open trench, pipe bursting, and CIPP lining. Spot repair works for short sections.

  • Open trench: $50-$250 per foot. The crew digs a trench to access the old pipe and puts in a new one. You'll need to restore landscaping afterward.
  • Pipe bursting: $50-$200 per foot. A trenchless method that breaks the old pipe while pulling in a new one through the same path.
  • CIPP lining: $50-$250 per foot. Another trenchless method where a resin-soaked liner is cured inside the old pipe to create a new pipe.
  • Spot repair: $400-$1,500 for a short section (about 5-10 feet). Only works if the damage is localized.
  • See real-time estimates with the Sewer Repair Cost Calculator.
Typical per-foot cost by replacement methodBar chart. Open trench: 150; Pipe bursting: 125; CIPP lining: 150.Typical per-foot cost by replacementmethodOpen trench150Pipe bursting125CIPP lining150

What common mistakes do homeowners make when hiring a sewer line contractor?

Even a fair price can turn into a bad deal if you skip these steps.

  • Skipping the camera inspection: You can't decide on a method without seeing the pipe condition. Always get a $100-$500 camera inspection first.
  • Not getting multiple quotes: Get at least 2 to 3 quotes. Prices for the same job can differ by thousands.
  • Ignoring the cleanout: If you don't have a two-way cleanout, installing one ($1,400-$3,500) can save you money on future clogs.
  • Assuming trenchless always works: Only a camera inspection can confirm if your pipe qualifies for lining or bursting. Check the Trenchless vs Dig Decision Tool.
  • Digging without calling 811: Hitting a buried utility line can be deadly and expensive. Always call 811 before any excavation.
  • Overlooking permits: Most sewer line replacements need a permit. Confirm with your local building department before work starts.
Avoid these costly mistakesChecklist of 6: Skipping the camera inspection; Not getting enough quotes; Overlooking a cleanout install; Assuming trenchless is always possible; Digging without calling 811; Forgetting to check permits.Avoid these costly mistakesSkipping the camera inspectionNot getting enough quotesOverlooking a cleanout installAssuming trenchless is always possibleDigging without calling 811Forgetting to check permits

How do I compare trenchless vs. dig-up replacement?

Trenchless methods can save your yard, but they cost about the same per foot as digging. Your contractor will recommend the best method after a camera inspection.

  • Cost: Trenchless methods (pipe bursting and CIPP) range $50-$250/ft, similar to open trench. The difference is usually in restoration costs.
  • Yard damage: Open trench tears up your landscape; trenchless requires only small access pits.
  • Speed: Trenchless may be faster, but the curing time for CIPP can take a few hours.
  • Longevity: Both methods are built as long-term replacements; ask your contractor what service life and warranty they stand behind for the specific material used.
  • Make an informed choice with the Trenchless vs Dig Decision Tool.
The right method depends on what the camera inspection reveals.Timeline. 1: Camera inspection ($100-$500); 2: Get 2-3 quotes; 3: Choose method based on pipe condition; 4: Permit and dig (or trenchless).The right method depends on what thecamera inspection reveals.1Camera inspection ($100-$500)2Get 2-3 quotes3Choose method based on pipe condition4Permit and dig (or trenchless)

When should I call a professional for sewer line replacement?

Sewer line replacement is not a DIY job. Call a licensed plumber the moment you suspect a problem.

  • Repeated clogs: If snaking doesn't fix it, the pipe may be broken.
  • Sewage backups: Raw sewage in your home means a serious blockage or collapse.
  • Lush patches in the yard: This can mean a leak. A camera inspection can confirm.
  • Foul odors: Persistent sewer gas smells inside or outside are a red flag.
  • Safety: Raw sewage can carry disease. Wear gloves and other protective equipment during any cleanup, and if you feel unwell after contact with sewage, consult your physician.
  • For help finding a pro, start at our homepage.
Signs you may need a sewer line replacementChecklist of 4: Multiple clogs in a short time; Sewage smell in the house; Wet spots or extra-green grass in the yard; Gurgling toilets or slow drains.Signs you may need a sewer linereplacementMultiple clogs in a short timeSewage smell in the houseWet spots or extra-green grass in the yardGurgling toilets or slow drains
Per-foot cost$50-$250 for open trench$50-$250 for trenchless
Landscape damageHighLow
Best forStraight runs with easy accessLined or burstable pipes with bends

Questions this page answers

How long does a sewer line replacement take?

Timeline depends on line length, method, and site access. Trenchless is usually faster than open trench, but CIPP needs curing time. Ask your contractor for a specific timeline.

Will homeowners insurance cover sewer line replacement?

Standard policies typically exclude sewer lines, but a service line endorsement typically covers them. Check with your insurer.

Can I replace just a section of sewer line?

Yes, spot repair costs $400-$1,500 for a short damaged section (about 5-10 feet). A camera inspection will show if the rest of the line is sound.

Does the depth of the pipe affect the cost?

Depth doesn't directly change the per-foot price, but deeper pipes (6 feet or more) may require more excavation time or safety precautions, which can increase labor costs.

What are the signs I need sewer line replacement instead of repair?

Repeated backups, multiple cracks seen on camera, or a collapsed section typically mean replacement. A plumber can advise after a camera inspection.

Is trenchless sewer replacement as durable as digging?

When done correctly, trenchless methods like CIPP and pipe bursting are built to the same durability standard as new pipe installed by open trench. Ask your contractor about the specific material's warranty.

Do I need a permit for sewer line replacement?

Most areas require a permit. Check with your local building department for specific rules and costs.

Replacing a sewer line is a significant investment, but knowing the typical cost range ($50 to $250 per foot) helps you budget and compare quotes. Use our Sewer Repair Cost Calculator to estimate your project, and always get at least 2 to 3 quotes from licensed plumbers.