Sewer Line Replacement Cost Calculator
Most sewer line replacements cost $3,000–$15,000, but the method matters more than anything else: a spot repair can run $1,500 while trenching the same line under a slab runs five figures. Enter your line details for a realistic range per method.
Not sure which method fits? Pick "Not sure" and we'll show all four side by side — the honest answer is that a camera inspection decides it.
For example: lining 60 feet of pipe under a lawn with CIPP comes to $7,500–$12,000 here, 60 ft × $125–$200 per linear foot.
Sewer line replacement cost by method
Typical replacement costs for a 50-ft residential sewer lateral (2026 pricing):
| Method | Cost range | Best for |
|---|---|---|
| Trenchless spot repair | $1,500–$4,000 | One damaged section, rest of pipe sound |
| CIPP lining | $6,250–$10,000 | Structurally intact host pipe |
| Pipe bursting | $3,000–$10,000 | Deteriorated pipe, needs new HDPE |
| Open trench | $2,500–$12,500 | Shallow line under open lawn |
| Under-slab | $15,000–$17,500 | Line runs under house foundation |
National avg ~$7,500, range $3,000–$15,000 (HomeGuide/Angi, 2026). Per-foot rates: CIPP $125–$200, bursting $60–$200, trench $50–$250, under-slab $300–$350. Add driveway restoration $2,000–$4,000 for open trench.
How this works
This estimate uses 2026 per-foot pricing published by Angi, HomeGuide, and HomeAdvisor: open-trench replacement runs $50–$250/LF all-in ($50–$125/LF pipe work plus $50–$200/LF excavation), CIPP lining typically $125–$200/LF (full quotes range $80–$250/LF by diameter and condition), and pipe bursting $60–$200/LF. Spot repairs are priced per damaged section — $1,500–$4,000 for a trenchless spot, or $600–$1,050 for a traditional open-cut fix of one cracked section. Nationally, complete projects run $3,000–$15,000 and average about $7,500.
We then add what actually moves quotes: under-slab open-cut segments run $300–$350/LF because concrete breakout, hand digging, and re-pour ride along; digging through a driveway adds $2,000+ in restoration; and trenches deeper than 6 ft add $500–$2,500 in shoring and equipment. Those same line items are why trenchless methods often win despite higher per-foot rates — they avoid $1,500–$4,000 in surface restoration.
What this calculator can't know is your pipe's condition. A collapsed or badly bellied line can't be lined, and a single crack in otherwise sound pipe doesn't justify full replacement — which is why every result here recommends a camera inspection ($125–$500) before comparing bids. We connect you with independent local sewer pros; we don't perform repairs ourselves.
Estimates only — independent local providers quote their own pricing. Data last reviewed 2026-10.
Sources
- HomeGuide — Sewer Line Replacement & Repair Cost (third-party estimate)
- HomeAdvisor — Sewer Main Installation & Replacement Costs (third-party estimate)
- HomeAdvisor — Sewer Line Repair Cost (third-party estimate)
Frequently Asked Questions
How much does it cost to replace 50 feet of sewer line?
Roughly $2,500–$12,500 by open trench ($50–$250/LF), $6,250–$10,000 by CIPP lining ($125–$200/LF typical), or $3,000–$10,000 by pipe bursting ($60–$200/LF) — before surface restoration. Under a driveway or slab, trenchless usually comes out cheaper once you count the concrete work an open trench requires.
Is trenchless sewer replacement cheaper than digging?
Per foot, trenchless often costs more — but all-in it often comes out ahead once the $1,500–$4,000 of surface restoration a trench needs is counted, especially under driveways, mature landscaping, or a slab. Over open lawn with a shallow line, a straight dig can still be the cheapest option.
Can every sewer line be lined instead of replaced?
No. CIPP lining needs a structurally intact host pipe — a collapsed, severely bellied, or badly back-sloped line can't be lined. Pipe bursting handles worse pipe but needs a traceable path and two access pits. Only a camera inspection can confirm which methods your line qualifies for.
Why do quotes for the same job vary so much?
Depth, soil, local labor rates, permit costs, and how much surface has to be restored all vary by property and market — easily ±40% on the same length of pipe. Get at least two camera-verified bids, and make sure each one states the method, footage, depth, and restoration scope in writing.
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Use the free tool →Rather skip straight to quotes?
Send the short form — we'll route you to an independent local pro.