The worldwide LiveJournal Meetup day is tomorrow (Tuesday) at 8:00pm.
The San Francisco Meetup is at Cafe Royale, 800 Post Street, San Francisco, CA. That's one block north of Geary, at Leavenworth (which becomes 7th, south of Market).
The East Bay ("Oakland-Alameda") Meetup is at Jupiter, 2181 Shattuck Ave, Berkeley, CA.
The South Bay ("San Jose") Meetup is at Coffee Society, 21265 Stevens Creek Blvd., Cupertino, CA.
If you're interested, click on one of the links above and sign up on the list.