craiglist continues to be the best resource for rentals in the Bay Area, though you might try posting a wanted ad on Berkeley Parents Network, or try to find some of the neighborhood groups on yahoogroups.com
Trulia is not really a good resource for rentals, in general. With interest rates so low, and rents so high, have you explored purchasing?... more
Check out craigslist --- many property managers advertise their vacancies there. Pick a couple of property management companies and see if they can help you.
Don't rely on listings by individuals without making sure that the vacancy they're advertising truly is for rent and not for sale. There are scammers who copy/paste for sale listings and try to pass them off as their properties for rent --- these folks usually out-of-country.
Good luck and may the future be brighter for you.
P.S. -- can't understand the "wisdom" of some lenders who won't help with the refi and help homeowners keep their home.... more