How do plumbers unclog sewer lines?

Author: Reginald Casper PhD  |  Last update: Saturday, July 19, 2025

Manual augers are especially useful in clearing simple drain or toilet clogs, dislodging debris, and passing through the sewer system. In most clogged drains, the manual plumbing snake is sufficient to clear minor blockages relatively close to the drain opening.

How do plumbers unclog main sewer line?

With the main sewer line clogged, you need a professional plumber to snake or hydro-jet the pipe that connects drains in your home to the municipal sewer line. Hydro jetting is a complex process that entails using high-pressure jets through the drain pipes to break up blockages and get rid of all debris.

What is the easiest way to clear a blockage in the sewer line?

Start by removing any visible and solid obstructions from the drain, like hair or food particles. Pour 1 cup of baking soda down the drain. Slowly pour the 2 cups of white vinegar down the drain over the baking soda. The mixture will create a fizzing reaction, which can help break down the gunk in the drain.

How much does it cost to unclog a main sewer line?

You will likely pay around $350 to $650 to have a plumber unclog a main sewer line unless you have complications like serious damage to the line.

How do plumbers clear blocked pipes?

How Do They Do It? 10 Tools Plumbers Use to Unclog Drains
  • Pipe Inspection. Most plumbers upon entering the home will conduct a pipe inspection. ...
  • Pipe Cameras. ...
  • Plunger. ...
  • Manual Drain Snake. ...
  • Motorized Drain Snake. ...
  • Drain Auger. ...
  • Hydro-Jet. ...
  • Hair Snake.

NEVER clear a BLOCKED Sink with baking soda and vinegar ! Use this instead!

How long does it take for a plumber to unclog pipes?

A straightforward drain cleaning job, such as unclogging a sink or toilet, typically takes about 30 minutes to an hour. However, if the blockage is severe or located deep within the plumbing system, it could take several hours or even a full day to resolve.

How much does hydro jetting cost?

Hydro jetting costs $475 on average but range from $350 to $600. A plumber can give you a quote and get rid of your sewer clog. Having to keep your plumber on speed dial is no fun for any homeowner. If chronic sewer clogs are giving you issues, it might be time to call in the big guns.

Does homeowners insurance cover sewer lines?

In most cases, home insurance will cover sewer line damage from specific events. This includes extreme weather (excluding earthquakes and floods), vandalism, fire, and damage from vehicles or falling objects.

How much does Roto Rooter charge to unclog a sewer line?

Roto-Rooter's most popular service is clearing sewer lines using an auger strong enough to cut through tree roots. This service typically costs $400 to $600. Unclogging a branch line, or plumbing within the home, costs $350 to $500 on average. The technician uses a smaller auger to snake a drain in your home.

Who is responsible for blocked sewers?

Repairs to sewers

Sewers and lateral drains connected to the public network used to be the responsibility of the property owner. However, most are now maintained by local water companies. If you have any problems with your sewer or lateral drain, for example if it's blocked, contact your local water company.

How do I know if my main sewer line is clogged?

When the sewer line that carries waste away from the house is blocked, you'll notice the four signs that follow.
  1. All Your Drains Reek. ...
  2. Your Drains Are Blocked or Slow-Moving. ...
  3. You Hear Loud Gurgling Sounds Coming From Your Pipes Throughout Your Home. ...
  4. You Have an Unnaturally Lush Landscape or a Smelly, Sunken Lawn.

Why should you never use baking soda and vinegar to unclog a drain?

The fizzing reaction and gas created may help loosen some small blockages. However, it is not typically strong enough to break down larger clogs or remove hard-to-reach debris. As a result of the above facts, if you have a serious drain clog, using baking soda and vinegar is unlikely to be effective.

What chemical do plumbers use to unclog drains?

Properties and Uses: Hydrochloric acid, also known as muriatic acid, is a highly corrosive acid used extensively by plumbers to clear severe clogs. It reacts rapidly with organic materials in drains, breaking them down into simpler compounds that can be easily flushed away.

How do you unblock a sewer pipe yourself?

High Water Pressure with Baking Soda and Vinegar

To do this, use a 2:1 ratio of vinegar to baking soda, and mix it into 60 gallons of water. As you pour the water down the drain, use a drain snake or plunger to dislodge debris that is blocking water flow.

How often should sewer lines be cleaned?

Expert Recommendations for Sewer Line Cleaning

We recommend homeowners schedule sewer line cleaning every 18 to 24 months to prevent buildup and clogs. Regular cleanings help avoid costly repairs and extend the life of your plumbing system.

Will Drano unclog a main sewer line?

With a clogged basement drain, pouring Drano or similar products down your sewer drain can actually damage your pipes or the glue holding them together, causing more sewer system problems in the future.

How long does it take a plumber to unclog a main sewer line?

Clearing a clogged sewer line can take an hour to a few hours, depending on the blockage. If your lines are severely blocked, a video inspection and more advanced techniques may be necessary to find and address the clog.

Is Roto-Rooter more expensive than other plumbers?

Roto-Rooter is a national service available in every U.S. state, including Alaska and Hawaii. Flat-rate pricing might be slightly higher in states with a higher cost of living, such as California or New York, but most plumbers charge between $45 and $200 per hour.

How do plumbers fix a clogged sewer line?

How Professional Plumbers Clean Your Drains
  1. Manual Drain Snakes. A manual drain snake, also known as a plumber's snake or a drain auger, is a small boring tool that rotates slowly as it's physically pushed through a stubborn clog. ...
  2. Motorized Drain Snakes. ...
  3. High-Definition Drain and Sewer Line Cameras. ...
  4. Hydro-Jetting Machines.

How many years does a sewer line last?

Generally speaking, you're going to find that most main sewer lines will only last somewhere between 50 and 100 years before you need to do a main sewer line replacement. You could very well have a broken sewer line on your hands right now and not even realize it.

Is sewer line replacement tax deductible?

As a general rule, sewer line repairs are considered to be standard home maintenance expenses, which means you are not eligible for a tax break on your personal income tax returns.

Can homeowners obtain $10,000 coverage for sewage and drain backup damage?

Sewer and Water Backup coverage is an endorsement on homeowners' policies. It usually comes in different coverage increments: $5,000. $10,000.

Why is hydrojet so expensive?

Why is hydro jetting so expensive? Hydro jetting is usually pricier than other options, including snaking and chemical drain cleaners. This is because there is expensive technology, plus a very advanced level of skill required.

What is the difference between hydro jetting and roto rooter?

While rooters scrape the sides of a pipe, the hydro jetter will blast off all debris in the pipe and wash it out. In addition to being 30-50% more efficient, the hydro nozzles spraying pressurized water can be as aggressive or gentle as they need to be – which makes a huge difference in the quality of the work.

Is sewer jetting worth it?

Regular sewer jetting can eliminate clogs before they become full on blockages. We also recommend that you jet the sewers when you move into a new home, as you never know what condition the sewer line was left in by the previous owner.

Previous article
Does floor tile go under drywall?
Next article
What is the best concrete that won't crack?