Welcome, I live in the Bay Area too!! In Redwood City. There are some Yorkie meetup groups in the Peninsula and San Francisco, where you could come and meet some breeders. You can go to
Meetup: World's largest community of local Meetups, clubs and groups! - Meetup.com and then put in Yorkie in the search and you will find both groups. The SF meet has alot of dogs and many breeders and it's next meetup is this Sunday, May 4th at 1pm.