What was the highest real estate value year for Rossmoor, and since how much has it come down?

Rossmoor Retirement Community in Walnut Creek: Looking at statistics form the Contra Costa Association of Realtors, 2005 was the highest real estate year for Rossmoor, with and average sales price of $449,724. The current average price year to date in 2009 is $279,400 representing a decline of approximately 55%.
With 65 models and over 6000 homes to choose from, these numbers are not a true representation of the total picture of Rossmoor Retirement Community in Walnut Creek. Rossmoor Retirement Community in Walnut Creek has a large range of homes, 174 homes listing from $78,000-$1,200,000.