Is housing in San Francisco as expensive as I imagine - what options are there for living just outside city centre and what kind of commute can I expect if I need to get to and from the Mission District on a daily basis.
Berkeley is just over the bridge, as is the cheaper, more dangerous area of Oakland. Both are well-connected by BART - the lightweight rail sysem. Expats can purchase monthly passes that will greatly cut down costs. If you're working in the Mission district you'll most likely find that there will be a BART stop somewhere within close proximity to your office.