How Much Does Sewer Line Repair Cost?
Repairing or replacing a damaged main sewer line — one of the larger plumbing expenses.
How much does sewer line repair cost?
Repairing or replacing a damaged main sewer line — one of the larger plumbing expenses. Most homeowners pay between $1,200 and $9,000 nationally, with a typical cost around $4,000. Use our calculator to adjust this range for your ZIP code.
What affects the price
- Depth and length of line
- Trenchless vs. excavation
- Landscaping/permit costs
Repair vs. replacement
Spot repair vs. trenchless lining vs. full replacement depends on damage extent.
Questions to ask your contractor
- Is trenchless an option?
- What does the camera inspection show?
When to call a professional
Always — requires permits and specialized equipment.
How we calculate this estimate
We start from national labor and materials benchmarks and apply a local cost factor based on your ZIP code and metro area, plus job complexity. Estimates are informational; actual contractor pricing may vary. Last reviewed 2026-05-01.
Frequently asked questions
What is the average cost of sewer line repair?
Nationally, sewer line repair typically runs around $4,000, with most jobs between $1,200 and $9,000. Your local price is adjusted by ZIP code.
Should I repair or replace?
Spot repair vs. trenchless lining vs. full replacement depends on damage extent.
When should I call a professional?
Always — requires permits and specialized equipment.