Real Estate Shortage?! Really?! CNNMoney.com is reporting a shortage of single-family homes on the market in many market areas emerging from the economic downturn. There are 21.7% less homes on the market than this time in 2008. For example, Denver has fallen to a 5.7 month supply while Phoenix has dropped to a 4.5 month supply. Normal is over a 6 month supply. Nationally, we are at an 8-month supply, but that is down, especially in homes priced from $300-$500,000.