From Case Shiller's Press Release:
“The turn-around in home prices seen in the Spring and Summer has faded with only seven of the 20 cities seeing month-to-month gains, although all 20 continue to show improvements on a year-over-year basis. All in all, this report should be described as flat.” says David M. Blitzer, Chairman of the Index Committee at Standard & Poor’s.Prices declined in 12 of the 20 Case-Shiller metropolitan areas, and were flat in New York.
As of October 2009, average home prices across the United States are at similar levels to where they were in the autumn of 2003. From the peak in the second quarter of 2006 through the trough in April 2009, the 10-City Composite is down 33.5% and the 20-City Composite is down 32.6%. With the relative improvement of the past few months, the peak-to-date figures through October 2009 are -29.8% and -29.0%, respectively.
Case-Shiller House Price Graphs for October (Calculated Risk Blog)
In the Washington, DC area prices were fell -.4% (not seasonally adjusted) in October compared to September; Annually prices have declined -2.8%. I expect small price declines during over the winter months in the DC area.