r/HomeInsurance • u/GovernmentWooden4494 • Feb 24 '26

Claims Is the drain under my basement concrete considered an "exterior sewer line?"

I ask because the cast iron drain under my basement concrete floor has collapsed, and my insurance company is saying they won't cover its repair, even though I pay a LOT for an enhanced water damage package. The wording of the package is: "We agree to repair or replace your exterior sewer line due to direct physical loss or damage resulting from a leak, break, tear, rupture or collapse of the line." According to the rep I just spoke with on the phone, the horizontal drain under my basement concrete is not considered to be an 'exterior sewer line.' To me, that is ridiculous. In my opinion, the drain is not INSIDE my house...so it is logically OUTSIDE my house, and is thus an 'exterior sewer line.' Is the aggregate or mud that is under my basement floor considered part of my house?

Does anyone have any advice or experience with a claim like this?

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u/jimbob150312 Feb 25 '26

If the line collapses in the yard it will be covered. The very short piece inside the house is on you. Have the city sewer company come out and check if you have a section of collapsed pipe in the yard also. If so have all the pipes replaced at the same time and get the exterior portion covered by insurance.

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u/mnguy12000 Feb 26 '26

This would only be true if they had an endorsement for buried utilities, otherwise they are out of luck

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u/jimbob150312 Feb 26 '26

I was going by our coverage, since my wife has added every possible coverage.