My landlord rent me and aparment and i findout he dont have rental licence what should i do couse i been paying my rent and he say he sold that house and only give 15 days to move

Rented for 6 yrs. Got a notice building being sold and I need to vacate in 30 days. Can that be done with such short notice?

You dont have to pay rent

I live in a basement apartment and my apartment has had leak and now Im dealing with rats infestation called and text him about the problem he still haven't done nothing, Called the City to come out about the rats this is a single family dewelling but he is renting it out as apartments because he is not willing to do anything and I called the City he is asking me to vacate in 30 day,,What is my rights