N
Glam Journal

How do I know if I need to replace my sewer line?

Author

James Austin

Updated on April 07, 2026

How do I know if I need to replace my sewer line?

Never pour grease down a drain because it can clog pipes. Pour it into a can to let it cool and then dispose of it in the trash. Most often the responsibility to pay for sewer line repair or replacement falls on homeowners and it can be costly. However, replacing or repairing sewer lines is definitely not a do-it-yourself home repair.

Is it possible to replace a cast iron sewer line?

Cast iron pipes in coastal regions corrode faster due to salt in the air and groundwater. Clay and orangeburg pipes only last around 50-60 years. While it’s certainly possible for a homeowner to replace the sewer line from the house to the street, it’s not going to be an easy job.

Why does my sewer line keep backing up?

If you have been experiencing sewer backups for several years, the pipe is most likely experiencing root infestation and/or has a break throughout the pipe. Multiple years of sewer backups usually results in having to have the pipe repaired or replaced in full.

Is it necessary to repair a clay sewer line?

In some cases it may make sense to perform a repair on a section of the clay sewer pipe however, it may open Pandora’s Box over the coming months, and years. Repairing the pipe should be discussed in detail with your licensed sewer and water main contractor.

How much does it cost to replace a sewer line?

It is therefore usually in a homeowner’s best interest to consider replacing the whole sewer main. As an average, expect to pay $3,000 to $12,000 for a new sewer line. Using the traditional dig and replace method, you’ll pay around $50/foot .

Should I repair or replace my sewer line?

Sewer line repair is recommended when there are cracks or holes in your sewer line. If damage is severe, replacement of the line is recommended. A pipe leak test must be performed, then there are two ways to proceed. The first is with trenchless repair. The second is with a traditional approach.

Do I really need to replace my sewer line?

Sewer Lines and Age. Sewer lines that are more than forty years old are almost always going to need replacement. There may not be problems yet, but there will almost certainly be problems with them down the line.

When to replace a sewer line?

So when signs start popping up that indicate there needs to be more than the standard repairs, a person should consider sewer line replacement. When a sewer pipe leading to the main sewer line reaches the end of it’s working lifespan, it can cause just as much trouble for the inside of your home as seen in the pipe.