Total housing units: 829,544
Single family flips: 4,341
Average pre-flip purchase price: $133,198
Average flipped price: $203,944
Las Vegas posted the third-biggest home price gains in the US in April, behind Phoenix and San Francisco. Builders there are buying up land in anticipation of the market for new homes taking off over the summer. Vegas's foreclosure market has been swarmed by institutional investors, who buy up distressed properties to turn into rentals.