The document compares housing market data from August 2009 to August 2010 in Addison, Texas. It finds that the median price of for-sale properties decreased slightly by 1% while the median price of sold properties decreased more sharply by 22%. The number of for-sale properties increased by 11% from August 2009 to August 2010 while the number of sold properties rose by 40%. Additionally, the average months of inventory of for-sale homes skyrocketed by 289% over this period.