Buying sprees by billion-dollar hedge funds and real-estate investment firms have investors owning nearly 20 percent, or one out of every five, of the region's single-family houses and condominiums, according to an Arizona Republic analysis of recent sales data.
That's double the number of rentals considered normal in metro Phoenix in 2000, according to housing-market analysts.
Although it is too soon to gauge the impact of such a large increase in rental properties, the jump in investor-owned properties has the potential to change the character of neighborhoods, influence the options available to other homebuyers and ultimately alter the trajectory of the region's housing recovery.
Read more: Phoenix metro becomes virtual investor's housing market