Sewer Line Repair Cost: $400–$5,000 (Average $1,050) in 2026

How much does sewer line repair cost?

Most homeowners pay $400 to $5,000 to repair a sewer line, with a single spot repair on one damaged section averaging $1,050 (Bob Vila, HomeAdvisor). That average reflects the most common repair scenario: one crack, break, or offset joint gets fixed without touching the rest of the line. Even a small, straightforward job takes your plumbing offline for a stretch — one North Carolina homeowner told This Old House, “make sure to plan for at least 1–2 days without your water or sewer being usable.” Fixr’s data backs up the lower end, putting the national average at $600 with a typical range of $400 to $1,500 for a localized drain/sewer line break. This Old House reports a notably higher average of around $5,000, which reflects a larger scope of work — their length-based pricing runs $50 to $250 per linear foot, so a repair spanning even 45 to 55 feet lands in the $2,250 to $13,750 range. The gap between these figures comes down to job size, not disagreement about pricing: a single-spot fix and a multi-foot trenchless reline are both “repairs,” but they cost very differently.

What’s the real cost difference between spot repair, CIPP lining, and pipe bursting?

Spot repair is the cheapest option when it applies — $400 to $1,500 for a single damaged section (Fixr) — but it only works if a camera inspection confirms the rest of the pipe is sound. When more of the line needs work, contractors typically choose between two trenchless methods. Cured-in-place pipe (CIPP) lining pulls a resin-coated liner through the existing pipe and cures it in place, running $80 to $250 per linear foot (Bob Vila). Pipe bursting breaks the old pipe apart while pulling a new one through behind it, at $60 to $200 per linear foot — a figure that matches exactly across HomeAdvisor and Bob Vila. Both trenchless methods avoid digging up your yard, which is where they earn back their higher per-foot rate compared to a basic spot repair.

Is it cheaper to repair or fully replace the sewer line?

Repair almost always costs less, but only when the damage is limited. A spot repair or trenchless lining job stays in the $400 to $5,000 range covered above, while full open-trench replacement runs $50 to $250 per linear foot (This Old House) — comparable on a per-foot basis to CIPP lining, but it also brings excavation, backfill, and landscaping restoration costs that repair methods skip entirely. Bob Vila’s guidance is straightforward on this: repair is the right call when a line has isolated cracks or holes and the rest of the run tests clean, while widespread or repeated damage tips the math toward full replacement, since replacing the line takes more prep work, labor, material, and cleanup than a repair does. A camera inspection is what tells you which side of that line you’re on before you commit to either approach.

What else affects the price?

A few factors swing the bill within these ranges:

• Pipe material, for any section actually replaced — PVC runs about $4.50 per linear foot in materials versus $50 for cast iron and $85 for copper (HomeAdvisor).
• Depth and access — pipe running under a slab adds $300 to $350 per linear foot on top of standard trenching, and open trenching itself runs $30 to $70 per cubic foot (HomeAdvisor, This Old House).
• Root intrusion — clearing roots before the actual repair can happen costs $100 to $600 (HomeAdvisor, Bob Vila), separate from repairing any damage the roots caused.
• Diagnostic inspection — a video/camera inspection to locate the problem runs $100 to $500 (HomeAdvisor, Bob Vila) and is usually the first line item on any repair quote.

Get a camera inspection before you get quotes. It’s the cheapest way to find out whether you’re looking at a $400 spot fix or a $5,000 trenchless job, and it puts you in a much stronger position to evaluate what a contractor is proposing.