How to fix a broken sewer line?

Author: scraper  |  Last update: Thursday, August 13, 2026

Fixing a broken sewer pipe generally falls into two categories: trenchless repair (which is less invasive) and traditional pipe replacement (which requires digging). The severity of the damage, your budget, and the pipe's location will dictate the best approach.

How do you fix a broken sewer pipe underground?

Fixing an underground sewer pipe generally requires either a trenchless repair (like lining the pipe) or a traditional excavation. First, identify the exact location and severity of the break using a professional video pipe inspection. Once diagnosed, choose either a trenchless or open-trench repair method.

How to fix a broken sewer pipe without digging?

Methods to Repair Sewer Lines Without Digging

  1. Pipe Lining (CIPP) Pipe lining, also called cured-in-place pipe (CIPP), is one of the most popular methods. ...
  2. Pipe Bursting. ...
  3. Slip Lining. ...
  4. Hydro Jetting (Pre-Cleaning) ...
  5. Spot Repair. ...
  6. Minimal Property Damage. ...
  7. Faster Completion Time. ...
  8. Long-Term Cost Savings.

Will homeowners insurance pay for a broken sewer pipe?

Without an endorsement, your insurer may still help cover the cost of the repairs, up to your policy's limits, if the line is located on your property and the damage occurs sudden and accidentally. A standard homeowners policy may also pay to repair the actual sewer line if a covered peril caused the damage.

Is it worth repairing a sewer line?

Minor Cracks or Leaks

If your sewer line only has small cracks or minor joint separations, it might be more cost-effective to use modern trenchless repair methods like epoxy lining or pipe bursting. These methods can seal the damage without excavation.

How to Repair a Sewer Pipe Under a Concrete Slab | This Old House

What's the average cost of repairing a sewer line?

An average breakdown of traditional sewer line repair costs can look like this: Equipment & labor: $50 to $250 per foot. Average cost: $4,000 to $13,000. Various costs, including pipe location, digging, and re-landscaping, can lead to an average cost of $12,000 to $25,00.

What are common sewer line problems?

Common Sewer Line Problems

  • Clogs. One of the most common sewer line problems is clogging. ...
  • Tree Root Infiltration. ...
  • Pipe Corrosion and Deterioration. ...
  • Bellied Pipes. ...
  • Leaking Joints. ...
  • Tree Root Removal. ...
  • Pipe Repair and Replacement. ...
  • Preventive Measures.

What not to say to a homeowners insurance adjuster?

Avoid making guesses or unsupported statements about what caused the damage to your property. Speculating can lead to inaccuracies in the adjuster's report, potentially affecting your claim.

How to get insurance to pay for sewer line replacement?

Standard homeowners insurance may only cover sewer line damage caused by sudden, accidental perils such as fire, explosion, or impact. Gradual wear, root intrusion, corrosion, or poor maintenance are typically excluded from standard policies.

Can a broken sewer line cause a sinkhole?

A collapsed sewer line can cause leaks that break down the soil surrounding the pipe, creating a sinkhole or a caved in patch of lawn.

Can I do hydro jetting myself?

Yes, you can DIY hydro jetting by attaching a specialized sewer jetter hose and nozzle kit to a high-pressure washer, but it requires caution to avoid damaging pipes or injuring yourself. While effective for clearing grease and roots, it is generally recommended to hire a professional, especially for older or clay pipes.

What happens if a sewer line breaks under your house?

When a sewer pipe breaks under your house, it can cause a range of noticeable issues. These symptoms often include strange smells, ground problems, drainage issues, and even pest invasions. Recognizing these signs early can help prevent extensive damage.

Can you sleeve a broken sewer pipe?

Absolutely. It's a common misconception that a sleeve is just a temporary patch, but it's actually a long-term structural repair. The process creates a brand-new, seamless pipe inside of the old one.

Which insurance company denies the most claims?

The insurance company that denies the most claims depends heavily on the type of insurance you are referring to:

What is the 80% rule for homeowners insurance?

The 80% rule in homeowners insurance dictates that your dwelling coverage must equal at least 80% of your home’s total replacement cost. Meeting this threshold ensures your insurance company covers the full cost of repairs (minus your deductible) for a covered loss.

What insurance adjusters won't tell you?

One hidden truth is that insurance companies often aim to minimize their payouts. Adjusters may downplay the extent of the damage, offer lowball settlements, or employ various tactics to delay the claim settlement process.

Why would a sewer line break?

A sewer line usually breaks due to aging materials, tree root intrusion, shifting soil, or severe clogs. Environmental changes and physical wear also play significant roles in pipe failure.

Why pour salt down the drain every night?

Pouring salt down your drain at night is a popular DIY plumbing trick used for routine maintenance. The goal is to take advantage of the salt's coarse texture and natural moisture-absorbing properties.

What are the symptoms of being sick from sewage?

Sewage contains germs like bacteria and viruses as well as parasites and worms that can cause stomach and intestine or liver illness. Germs and parasites may cause diarrhea, fever, cramps, nausea, vomiting, headache, weakness or loss of appetite.

What is the number one killer of plumbers?

PMRs for malignancies of the stomach, kidney, brain, and lymphopoietic system were also elevated, especially among plumbers. Chronic rheumatic heart disease, emphysema, liver cirrhosis, and all external causes of death were the major non-cancer causes with significantly elevated PMRs.

How often does a sewer line break?

Cast iron sewer lines, common in older homes, usually last around 50–75 years. Clay pipes can push 75–100 if conditions are friendly. PVC? That stuff can last 100 years or more, at least in theory.

Can you put a concrete slab over a sewer line?

Yes, you can pour a concrete slab over a sewer line, but it is highly risky and often restricted by local building codes. If the line breaks or clogs, the concrete will have to be torn up to access the pipes.

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