Jason was a very good host. He was responsive, let us check in early, and provided a great list of places to check out in the neighbourhood. His mother was very friendly. The room was good. You can definitely hear everything through the walls to the next bedroom. The building is on an industrial street, which is really close to the BART and Valencia, but it is a bit intimidating at night, as there are slot of people living on the street in tents. We didn't have any problems, but if I was a woman travelling alone I might choose somewhere else if you are looking to feel super safe.