How do you fix a broken underground sewer pipe?

Author: scraper  |  Last update: Tuesday, July 28, 2026

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.

Does homeowners insurance cover underground sewer pipes?

Does homeowners insurance cover your sewer line if it's damaged? Damage to your sewer line may be covered by your policy if it is caused by perils such as hail or windstorms, explosions, lightning or fire, damages caused by vehicles, vandalism or falling objects.

How much does it cost to fix a broken pipe underground?

Kitchen pipes cost $150 to $500 to fix. Pipes in walls can cost more because of wall repairs. Bathroom pipes cost $150 to $800, and outdoor pipes cost $200 to $600. Basement and underground pipes are the most expensive, costing $600 to $5,000 for excavation and concrete work.

How do you fix a broken sewer pipe underground?

Sewer repair technicians will use heavy machinery to dig a trench and access the broken pipe. If it can't be patched, the damaged section will be removed and new pipe will be laid. Here's how that process normally happens. The plumbing company surveys the area and marks underground utilities.

How to Repair a Broken Clay Drainage Pipe

Do plumbers fix underground pipes?

Another technique that plumbers may use to repair a broken underground pipe is relining. If the existing pipe has a wide enough diameter, the plumbers may be able to insert a new liner into the pipe.

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.

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.

What happens when a pipe breaks underground?

Examples of the damage a burst pipe can do includes: Water damage to your house's structure and interior surfaces: Water from the leak can seep into walls, ceilings, floors, the foundation, and cause a basement flood, which can weaken the structure's integrity.

Who is responsible for a broken sewer pipe?

Generally speaking, you're usually responsible for drains inside the boundaries of your property, while the sewerage company is responsible for lateral drains, which are usually outside of property boundaries, and sewers. Although most sewers are now publicly owned, there are still some private or unadopted sewers.

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.

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.

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.

How much does it cost to fix a busted pipe underground?

Repairing a burst pipe costs an average of $500 if you hire a plumbing repair pro. On the low end, you could spend $150 to replace small areas of the pipe. On the high end, burst pipe repair costs can exceed $5,000 if you need to install new pipes underground or take care of related water damage.

How to tell if a sewer pipe is broken underground?

How to identify if you have a broken sewer pipe

  1. Soggy or sunken ground above where your sewer pipe is buried.
  2. Sudden low water pressure.
  3. Persistent clogging in your drains and slow drainage.
  4. Mouldy areas on the walls, floors, and ceilings.
  5. Cracks in your foundations.
  6. An infestation of rats or insects.

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.

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.

How long will PVC pipe last buried underground?

Dig-up test results in the U.S. and around the world indicate that PVC pipe can be expected to provide reliable service in excess of 100 years. The average water main is failing at 4 7 years. Corrosion is the major cause.

Does Dawn really unclog drains?

A straightforward yet effective approach to addressing a clogged drain pipe involves simply using hot water mixed with dish soap. This method, ideal for tackling minor blockages, leverages the degreasing power of dish soap combined with the force of hot water to dislodge and dissolve clog-causing residue.

Can a pressure washer do sewer jetting?

If you're buying a residential gas-powered machine, look for a unit that delivers 2.5 to 2.9 GPM and is rated as close to 3,000 PSI as possible. This will provide very good cleaning and pulling power with a sewer jetter of up to 100 feet in length.

How deep is a sewer line usually buried?

In most parts of California, sewer lines are buried anywhere from 18 inches to six feet deep, depending on the home's location, slope, and soil. Around Santa Cruz, the average depth is usually two to three feet.

Previous article
Which type of fan gives more air?
Next article
Is it OK to mix appliance brands in kitchen?