How Much Does Sewer Line Replacement Cost?
Replacing a house sewer line costs $1,388 to $5,323, about $3,319 on average, according to HomeAdvisor (Jun 2026), before camera inspection, permits and landscape repair. Traditional dig-and-replace runs $50 to $200 per foot and trenchless methods $60 to $250 per foot. This page compares both methods, the spot repair that can avoid a full replacement, and the costs a quote may leave out.
National ranges, not a quote. A camera inspection decides which method fits.
Typical costs at a glance
- Full replacement
- $1,388 to $5,323
- Spot repair
- $600 to $1,050
- Dig and replace
- $50 to $200 per foot
- Trenchless
- $60 to $250 per foot
National ranges from HomeAdvisor and This Old House.
Is trenchless sewer replacement cheaper than digging?
Not per foot: traditional excavation runs $50 to $200 per foot and trenchless methods $60 to $250 per foot. This Old House (Mar 2026) notes that digging is often cheaper upfront but can lead to higher landscape and property restoration costs, which trenchless work avoids.
| Repair or charge | Typical cost | What the range covers | Reported by |
|---|---|---|---|
| Traditional dig and replace | $50 to $200 per foot | Dig-and-replace sewer line work; cheaper per foot than trenchless but can lead to higher landscape and property restoration costs. | This Old House (Mar 2026) US national |
| Trenchless, all methods | $60 to $250 per foot | Overall trenchless range covering both lining and pipe bursting; not possible if the pipe has collapsed. | HomeAdvisor (Jun 2026) US national |
| Trenchless lining (CIPP) | $90 to $250 per foot | Cured-in-place pipe (CIPP) lining: an epoxy-saturated liner pulled through the existing pipe from one excavation point. | HomeAdvisor (Jun 2026) US national |
| Trenchless pipe bursting | $60 to $200 per foot | Pipe bursting: a pneumatic or hydraulic head breaks up the old pipe while a new pipe is pulled in. | HomeAdvisor (Jun 2026) US national |
Market ranges, not quotes from Speedy Plumbing Baltimore. Sources: This Old House: How Much Does Sewer Line Replacement Cost? (2026 Pricing) (https://www.thisoldhouse.com/plumbing/sewer-line-replacement-cost) (updated Mar 2026); HomeAdvisor: How Much Does Sewer Line Replacement Cost in 2026? (https://www.homeadvisor.com/cost/plumbing/repair-a-sewer-main/) (updated Jun 2026). Retrieved 2026-09-13.
Lining pulls an epoxy-saturated liner through the existing pipe from a single excavation point. Pipe bursting breaks up the old pipe while a new pipe is pulled into its place. Neither trenchless method works on a pipe that has collapsed, according to HomeAdvisor (Jun 2026). The camera survey Baltimore City requires before relining, and which part of the lateral the owner replaces, are covered under sewer line replacement in Baltimore. The buried water supply pipe from the meter has its own per-foot prices; see trenchless water line replacement for that pipe.
How much does trenchless sewer line replacement cost?
Trenchless sewer line replacement costs $60 to $250 per foot, according to HomeAdvisor (Jun 2026): $90 to $250 per foot for cured-in-place lining and $60 to $200 per foot for pipe bursting. The price is set per linear foot, so every 10 feet of lateral adds $600 to $2,500 of trenchless work before the camera survey and permit.
| Length of lateral | Lining (CIPP) | Pipe bursting | Excavation, for comparison |
|---|---|---|---|
| 10 feet | $900 to $2,500 | $600 to $2,000 | $500 to $2,000 |
| 25 feet | $2,250 to $6,250 | $1,500 to $5,000 | $1,250 to $5,000 |
| 50 feet | $4,500 to $12,500 | $3,000 to $10,000 | $2,500 to $10,000 |
Arithmetic from U.S. national per-foot ranges reported by HomeAdvisor (Jun 2026) and This Old House (Mar 2026), not a quote. The lengths are examples; a camera inspection measures the actual run.
What moves a trenchless price up or down
- Method. Lining runs $90 to $250 per foot and bursting $60 to $200 per foot. Lining pulls an epoxy-saturated liner through the old pipe from one excavation point; bursting breaks the old pipe apart while new pipe is pulled in behind it.
- Pipe condition. HomeAdvisor (Jun 2026) says trenchless work is possible only when the pipe has not collapsed. Baltimore City’s plumbing code, the 2021 International Plumbing Code as adopted, also bars relining pipe under 4 inches and pipe a camera survey shows is backgraded, fully deteriorated or completely separated, for example by tree roots. The code requires those sections to be exposed and repaired with new pipe, which brings excavation costs back into the job.
- The camera survey. The same code requires a recorded video survey, reviewed by the code official, before a relining permit is issued. This Old House puts a camera inspection at $100 to $500, while HomeAdvisor’s inspection guide lists $271 to $1,726.
- Permit fees. Baltimore City’s 2024 Building Code lists $25 for a new or replacement sanitary connection at a 1- or 2-family home. Baltimore County’s plumbing fee schedule, effective November 2018, lists $30 to relay a sewer line.
- Restoration. Trenchless work avoids the trench through a yard, walk or driveway, and with it the higher restoration costs that This Old House (Mar 2026) says excavation can lead to.
When a spot repair is enough
A single break or crack costs $600 to $1,050 to repair, according to HomeAdvisor (Jun 2026). The same source notes that replacing the damaged section is often the better value than patching it.
When a camera shows a stoppage rather than a break, the line needs clearing, not repair; see main drain cleaning in Baltimore.
Costs a sewer replacement quote may leave out
HomeAdvisor (Jun 2026) excludes video inspection, permits, landscape restoration and driveway repairs from its $1,388 to $5,323 replacement range. Ask whether each is in your quote.
- Camera inspection. Published figures disagree: HomeAdvisor (Jun 2026) lists $271 to $1,726 (average $995) in its inspection guide, while its sewer replacement guide and This Old House both put a video inspection at $100 to $500.
- Permits. Ask whether permit fees are in the price; HomeAdvisor (Jun 2026) leaves them out of its range.
- Restoration. Dig-and-replace work leaves a trench through the yard, walk or driveway to rebuild.
How contractors in our network price sewer line work
Speedy Plumbing Baltimore is a free referral service. The licensed plumber it connects you with gives you an upfront price after diagnosing the line, and work starts only after you approve it; see how Baltimore sewer line repairs work. Network contractors bill a backup at night or on a weekend at the same rate as a weekday call. The ranges on this page are published national figures, not quotes from any contractor.
Sewer line cost questions
How much does it cost to replace a sewer line?
HomeAdvisor (Jun 2026) puts a full sewer line replacement at $1,388 to $5,323, with $3,319 as the average. Video inspection, permits, landscape restoration and driveway repairs are extra.
Is trenchless sewer repair cheaper than digging?
Not per foot. Traditional excavation runs $50 to $200 per foot and trenchless $60 to $250 per foot, but digging can add landscape and property restoration costs that trenchless work avoids.
Can every sewer line be replaced without digging?
No. HomeAdvisor (Jun 2026) notes that trenchless lining and pipe bursting are possible only when the sewer pipe has not collapsed, so a collapsed line rules them out.
Compare other pipe repair costs
Service calls, hourly rates, leak and slab leak repairs are listed in the complete table of plumbing repair costs, and indoor breaks are covered in what a burst pipe repair costs.
Sources
Checked 2026-09-13. Plumbing and safety guidance changes; follow your utility’s and insurer’s current instructions.
- HomeAdvisor: How Much Does Sewer Line Replacement Cost in 2026? (updated 2026-06-19): https://www.homeadvisor.com/cost/plumbing/repair-a-sewer-main/
- This Old House: How Much Does Sewer Line Replacement Cost? (2026 Pricing) (updated 2026-03-30): https://www.thisoldhouse.com/plumbing/sewer-line-replacement-cost
- HomeAdvisor: How Much Does a Sewer Line Camera Inspection Cost in 2026? (updated 2026-06-19): https://www.homeadvisor.com/cost/plumbing/sewer-inspection/
- UpCodes: Baltimore Plumbing Code 2021, Chapter 7, §§ 717.2–717.5 (relining building sewers): https://up.codes/viewer/baltimore/ipc-2021/chapter/7/sanitary-drainage
- Baltimore City Building Code (2024 Edition), Part II, § 109.6 plumbing fees: https://codes.baltimorecity.gov/us/md/cities/baltimore/code/building-codes/II/index.full.html
- Baltimore County Plumbing Inspection Fee Schedule (effective 11/26/2018; Wayback capture March 19, 2025): https://web.archive.org/web/20250319061415id_/https://www.baltimorecountymd.gov/files/Documents/Permits/Permits%20Fee%20Schedules/plumbinspectionfeeschedule.pdf
Sewage backing up?
Call Speedy Plumbing Baltimore to be connected with a local plumber for a diagnosis and an upfront price. The line is answered 24 hours a day.
Call (410) 378-7792