Vacancy rates data showing the number of rental properties that are not occupied, or vacant. The graph below shows Metro Denver Vacancy Rates for the first quarter of 2010. Denver Vacancy rates were at 9% in the second quarter of 2009, they are at 6.5% currently. Lower vacancy rates mean more cash flow for investors and greater property appreciation. Now is the time to look at Denver Multi-Family properties, Contact Me for more info on how to get started.