There's a real estate data hackathon going on at the Moscone Center on Nov 6-7th. Its free and food is provided. 5K in Cash prizes and 300K in credits from Rackspace, BizSpark, and Softlayer. http://retsly.eventbrite.com/
Love to build amazing things quick? Then you've found the right place. Bay Area Hackathons are hosted at Bay Area companies and a are a great way to meet new people, build amazing things, and win killer prizes.