John: Widely published statistics for San Diego home sales are available for the prior month. To see those stats, just go to the site below and hit "SD Market Stats" on the left column. Hope this helps!
Our plant date is 7 days out so, the data I can get about all homes in San Diego that sold is about 7 days old. We give this out for free and you can also see number of sales by zip code at http://www.sandicor.com/statistics
Yes, currently on Trulia we are showing sold properties as of Apr 3, 2007. As properties are sold they are updated on the site on a weekly basis. There is some time lag between when a property is sold, recorded by the assessor and sent to us. Hope this help.