I'm inclined to dig it up since it is completely collapsed so that I can show any prospective plumber the situation... or possibly replace the pipes myself. I feel like I get astronomical estimates when a tradesman can't see the problem and has to guess about the extent of the damage.
So I'm guessing that I just had a terra cotta pipe that collapsed. It is hard to see in the pics, but at the level of the water there is an indentation to the left with a slit-like opening where I can feel concrete. There is a similar opening at the lip that you can see in red. I can't feel...
Last week I ran my washing machine, which drains into a pipe in a finished basement wall. For the first time, the water backed up into the floor drain.
I snaked through the wall drain and it now drained fine for 1 load.
When I vacuumed the drain I found a blind end in concrete with a small...