A: I'm sorry to read about your hip. They're not going to give it to you before filing a lawsuit. I've never seen an apartment premises liability case settle pre-suit. They're going to fight every step of the way. Your injuries are serious and you need someone willing and able to take on a premises liability case to the courthouse steps and beyond if needed. Luckily, there are plenty of us out there. Don't wait - call one ASAP.
A: You can absolutely seek damages in Washington. Washington is a strict liability state. The entire case hinges on whether that person has renter's or homeowner's insurance. There may be a speedbump because it was you and not your GF who made the delivery, but your attorney (and you should call one to maximize your recovery) should be able to iron that out.