Sewer Line Replacement Cost per Foot
Published sewer line costs (2026)
| Method | Cost per foot | Published job total | Use when |
|---|---|---|---|
| Traditional dig & replace | $50–$250 | $7,500–$30,000 | Severe damage, wrong slope or bellies, or easy open access |
| Trenchless pipe bursting | $150–$190 | $4,000–$20,000 | Pipe collapsed or badly deteriorated; full replacement needed |
| Trenchless pipe lining (CIPP) | $135–$150 | $4,000–$20,000 | Pipe mostly intact with cracks, leaks or moderate roots |
A published trenchless total for a 40–60 foot job is $4,000–$15,000. Sources survey different jobs, so their totals do not always match per-foot math. The calculator uses per-foot rates plus the add-ons you select.
Per-foot prices are useful only if you know what they leave out. The sewer line replacement cost page totals a whole job. This page stays on the rate itself: what you multiply, and what you must add after.
The three installed rates
| Method | Cost per foot | 50 ft of pipe work | Use when |
|---|---|---|---|
| Traditional dig & replace | $50–$250 | $2,500–$12,500 | Severe damage, wrong slope or bellies, or easy open access |
| Trenchless pipe bursting | $150–$190 | $7,500–$9,500 | Pipe collapsed or badly deteriorated; full replacement needed |
| Trenchless pipe lining (CIPP) | $135–$150 | $6,750–$7,500 | Pipe mostly intact with cracks, leaks or moderate roots |
Digging's band is wide because open soil and a restored driveway are not the same job. Trenchless bands are tighter because the surface stays mostly closed. Pipe bursting cost and the trenchless cost guide add the camera and permit on top of these rates.
A 40–60 foot trenchless total is often published at $4,000–$15,000. Dividing that band by 50 feet does not match the per-foot rate, because publishers survey different jobs and count different line items. Multiply the per-foot rate when you know the length. Use the published total as a second check.
What drives the per-foot price
Length is your multiplier, not a change to the rate. A typical lateral is 25–60 feet. Rural lines are often about 75 feet. The main line page explains house-to-street length and who owns which part.
Depth and access widen the dig range more than the trenchless range. A tight side yard or a deep pipe takes longer to open. Cost sources do not publish a reliable price per extra foot of depth, so the calculator has no separate depth fee. The spread from $50 to $250 is how that uncertainty shows up.
Location is applied after the pipe work and add-ons, as a factor. Northeast and West Coast use ×1.15–×1.30. A major city uses ×1.10–×1.25. Midwest suburban is ×1.00. These factors are approximate. They are not a bid from your city.
Material price is not the installed rate. PVC material is about $3–$8 per foot. Cast iron material is about $20–$75 per foot. See cast iron replacement for why the full job is still the method rate. Clay and Orangeburg do not have material prices in this data set.
Restoration sits outside the per-foot dig rate. Lawn repair is about $300–$2,500 and is approximate. Hardscape is $1,000–$5,000. A trench-only figure of $4–$12 per foot is excavation by itself. Do not stack it on a full dig-and-replace rate.
Worked example
Per-foot math matters most on a long line. Take an 80-foot rural lateral that has to be dug through a lawn.
Pipe work is 80 × $50 = $4,000 up to 80 × $250 = $20,000. The camera, the permit, and about $300–$2,500 of lawn repair add $500–$4,000, for a subtotal of $4,500–$24,000. The lawn figure is approximate.
A rural factor of ×0.70–×0.80 then brings the rounded estimate to $3,200–$19,200.
The per-foot rate did not change. Length, restoration, and location did.
How to save money
- Write the footage on each quote so you multiply the same length.
- Ask whether the per-foot price includes the permit and the camera.
- Ask for restoration as its own line on any dig bid.
- Do not add pipe-material prices on top of an installed rate.
- Compare a dig total and a trenchless total, not two per-foot rates alone.
Common questions
Why is the dig rate so much wider than trenchless?
Digging is published at $50–$250 per foot. That spread covers easy open soil at the low end and deep, tight, or restored yards at the high end. Trenchless bands are tighter because the surface stays mostly closed.
Does the per-foot price include the pipe material?
The installed per-foot rates include the job, not just the pipe. PVC material alone is about $3–$8 per foot. Cast iron material is about $20–$75 per foot. Do not add those material prices on top of the installed rate.
What length should I multiply?
A typical house lateral is 25–60 feet. Rural lines are often about 75 feet. Measure from the house to the connection point instead of guessing, then multiply by the method rate.
Are regional prices just the per-foot rate?
No. This site multiplies the subtotal by a region factor and an area factor. Northeast and West Coast use ×1.15–×1.30. A major city adds ×1.10–×1.25. Those factors are approximate.
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Sources
See how these ranges are built on the methodology page.