You should be able to get a good-sized studio for under $2500/month, which is a reasonable portion of your salary. If you're cool with roommates, you can get a nicer room in a more convenient part of the city.
If its a big corporation sure, but not at a startup.
That said, he could also live in one of the various co-ops in SoMa for not too much money (if he's fine sharing a room). And the inner-Richmond does have cheap rent as well (~$750-1000 per single room)
So if you're young, unmarried and you're not incredibly fussy about living together with other people, I think you should absolutely go for it. Having to share a room isn't some kind of ungodly indignity, especially if you get along with your roommates.
Find a share house with people with similar interests, get a studio in the Tenderloin or (potentially) move to the East Bay.
Either way you're going to have a blast. :)
I guess that leads to `excellent' non-upgrading of houses that have long term tenants in them.
Articles like this make me wonder what I've gotten myself into.