Boston University Transfer Housing

I was just accepted to transfer to BU for the fall, and I’m waiting to hear back from a few more schools, but want to gather all the information I can about BU before I have to make my decision. I was wondering what the housing process is like for transfers (do we get the worst rooms, do we get to pick our roommates, where should we choose to go if we want to be social and near campus, etc.).
Additionally, I have an emotional support cat and was wondering if anyone knows about the system for housing emotional support animals on campus. At my current school, I live off campus and didn’t have my cat freshman year when I lived in dorms, so I don’t know anything about ESAs on campus.

Thanks!!!