I've always been a fan of Moto Shop, and before I moved here, I visited often so I could work on my bike and see my friends! If you have no idea what I'm talking about, then you need to listen to my interview here:
http://moterrific.com/2014/10/22/interview-with-motoshop-san-francisco-motorcycle-garage/
Lift stations, classes, motorcycles, workshops, community, what else could you ask for?