...
An early release (December 2009) of a version of the data is available, compliments of Mike Wynne at planning planning.
These address points are available here in ESRI Feature class format.
*(polygon http://resources.arcgis.com/glossary/term/480 feature class which is the result of performing a http://resources.arcgis.com/glossary/term/506 spatial join with the [SF Enterprise GIS Program Data Set: City Lot] http://resources.arcgis.com/glossary/term/480 feature class)
:http://sf-planning.org/ftp/files/GIS/Addresses/MAD_Poly.zip
...
The concimmitant parcel polygons are available here which is also in ESRI Feature class format.
The original PostgreSQL database dump is available here.