Jason's house itself is a great place to stay at in San Francisco. The bedroom and the bathroom (there are two of them, you have to share with other guests) were very clean. Jason was in Europe at the Time of our stay, but his mother, a pretty lovely Lady, took care of us :)
There is a BART Station just 5 minutes walking from Jason's place, which is going down to Civic Center and up to the Airport. That was really great.