Here’s some more pictures of the house.
It would help everyone if you posted these in the original thread, instead of starting a new thread that’s means nothing if one hasn’t seen the original thread.
Can you look at the original post…it should be visible
I already did.
Other than what was already stated by others, my first thought was earthquake damage that wasn’t repaired, or door framing/header wasn’t built properly.
I lived in SoCal for about 10 years. If I remember correctly, it seems that whenever the earth moved, Arcadia always had issues, no matter where the epicenter was. JMHO.