re: Replacing old cast iron drain pipes

quote:

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I am trying to figure out if the previous owner knew about this existing condition

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99% certain that the previous owner knew.

99.999% certain you'll never get them to pay.

Once bought a home where the prick owners moved an enormous shelf full of books in front of the water heater access so the inspector couldn't see that they were rusting out. Gut stuck replacing two units right after I moved in.

An attorney buddy told me I'd never be able to prove anything.

ETA:

Be careful should you seek legal help. The sleazier the attorney, the more likely he is to suggest litigation.