The houses they have done lately have been totaly demolished! They might put something in storage, but I really don't think they keep things.
I would think the foundation would still be there along with the basement though. I guess it all depends on the house and what people's intentions are.
The Pacific Northwest can be so damp that many homes in this area don't have basements. If they do, they often have problems with leaks! When they demolish a house, they usually move it to a different area for one reason or another. One main reason is because the houses they build are way bigger than the old foundation!
It was their same lot. The old foundation was still visible up a little ways past the basketball court they made.
