They're recorded and they're covered by the California Public Records Act. You just have to ask for it; they can withhold for privacy reasons. In this case (and as with many others), no such withholding was made. Just ask.

I'm the OP. It takes some persistence with paperwork and followup, and a recording costs 30$, but here is the form: http://sfdem.org/modules/showdocument.aspx?documentid=1268