How to Look For Bad Plumbing During a Home Inspection?

Are you planning to buy a home, and you are going on a home inspection? Are you searching for tips to detect bad plumbing during a home inspection? Do not search further; this write-up provides you with signs of bad plumbing in any home. 

The plumbing system is a crucial part of things to examine when going for a home inspection when you are buying a property. Failure to identify a bad plumbing system will result in significant repairs when you eventually moved in. Meanwhile, to avoid spending on drain repair and plumbing works, look out for the following signs:

How to Look For Bad Plumbing During a Home Inspection?

1. Moisture and Leaks

One of the signs to look out for during a home inspection is moisture and Leaks. Look along the plumbing line in and outside the house for signs of moisture or wetness on the walls, floor, or around the faucets, joints, sink, etc. It is crucial to detect leaks inside the walls to avoid severe damages to drywalls and flowing, which may result in mold and mildew growth. 

2. Polybutylene Pipes

Although the use of polybutylene pipes has been banned, they can still be found in most homes. As a result, you should look out for this type of pipe. They become brittle and burst due to exposure to chlorine. The sudden damage to the polybutylene pipe has caused damage to building structure, loss of personal belongings, and costly water damage restoration. Your plumber can help you to identify these pipes in the kitchen, under sinks, and water heater. 

3. Sewer Line Clogs

Another plumbing issue to look out for during a home inspection is sewer line clogs, which require drain repair. A clog in the sewer line can be detected by gurgling sounds, a backup, or slow draining. A clogged sewer line or drain is usually caused by tree root growth. As a result, it should be fixed before you move in.

4. Corrosion

Another telltale sign of plumbing issues is general corrosion, which can be identified through discoloration at pipe joints and rust. Look behind toilets for stains to detect this plumbing issue. Rust build-up can block the poor or reduce water pressure. 


The tips above will help you to discover bad plumbing during a home inspection. With the outcome, you can determine if you need drain repair or plumbing work to be done before finalizing the home buying contract. The plumbing system is crucial, and you cannot overlook any signs pointing to damage or inefficiency.

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