There were approximately 7.5 million second homes in the U.S. in 2018, the most recent year for which data is available. This is 5.5 percent of the nation's total housing stock. Na Zhao, writing in the National Association of Home Builders (NAHB's) Eye on Housing blog, says the largest share of these homes are in Florida with a total of 1.1 million homes, 14...
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