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Updated July 2026 · Trenchless Repair editorial

Trenchless sewer repair prices are driven by one number more than any other: the length of pipe being renewed. In 2026, most trenchless work in the Southwest and West Coast falls between $60 and $250 per foot, with a typical residential lateral (30–60 feet) landing between $4,000 and $15,000 all-in.

Typical trenchless costs by method

MethodTypical range (per foot)Typical residential job
CIPP lining (cured-in-place pipe)$80 – $250$4,000 – $15,000
Pipe bursting (full replacement)$60 – $200$3,500 – $12,000
Sectional / spot repair$600 – $2,500 per section$1,000 – $4,000
Traditional excavation (for comparison)$50 – $250 + restoration$4,000 – $25,000+ with restoration

The number excavation quotes hide: restoration. Repouring a driveway, re-landscaping a yard, or replacing interior flooring after a slab cut routinely adds $2,000–$10,000 that never appears on the dig quote. Trenchless methods work through two small access points, so that line item mostly disappears.

What actually drives your price

  • Length of the run — the biggest factor. A 40-foot lateral costs far less than a 90-foot one.
  • Depth and access — deeper lines and tight access points add setup time.
  • Pipe diameter — 4″ residential laterals cost less per foot than 6″–8″ lines.
  • Condition of the host pipe — partially collapsed sections may need spot excavation or bursting instead of lining.
  • Number of tie-ins — every branch connection that must be reinstated after lining adds work.
  • Local permits — municipal sewer permits vary widely between cities.

Lining vs. bursting: which costs less?

Pipe bursting is often slightly cheaper per foot and delivers a brand-new full-diameter pipe, but it needs room to pull a new pipe through — read the full comparison in our pipe bursting vs. pipe lining guide. CIPP lining shines when the old pipe is structurally intact but leaking, cracked, or root-invaded, and it handles bends well. Learn what's involved in each on our services page.

How to get a real number

Any quote given without a camera inspection is a guess. The real process: a camera inspection locates the damage and measures the line, then a specialist quotes the correct method for your pipe's condition. Most of our listed providers apply the inspection cost toward the repair.

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Tell us about your line problem and we'll connect you to one of our qualified trenchless service providers for your area.

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Questions

Frequently asked

Per foot, trenchless methods can look similar to open-cut excavation. But once you add the cost of tearing out and restoring driveways, landscaping, patios, or flooring — which excavation requires and trenchless avoids — the total project cost of trenchless is frequently equal or lower.

Under-slab lining usually stays in the same $80–$250 per foot range as yard laterals, and the savings are dramatic compared to cutting the slab: no jackhammering, no flooring replacement, no weeks of interior restoration.

Usually not for wear-and-age failures, which most are. Some policies or service-line riders cover sudden damage. It's always worth a call to your insurer, and a camera-inspection report gives you documentation either way.

Yes — sectional (spot) liners target a single failed joint or crack and can cost a fraction of a full-line job. A camera inspection determines whether a spot repair will actually solve the problem or just move it.

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