According to Standard & Poor's Case-Shiller data released this morning (Tues. Dec. 30), San Diego home prices in October were back to their levels of March of '03. San Diego existing homes have now dropped 36.4 percent from their peak in November of '05. In October of this year, local prices were down 3 percent from September. Only four of the nation's 20 largest metro areas had larger declines in that one-month span. The biggest loss was Detroit at minus 4.5 percent. Over the last 12-month period, between October of this year and October of last year, San Diego prices were down 26.7 percent. Only five metro areas did worse. The biggest drop was Phoenix at minus 32.7 percent.