A recent report by NAHB maps the percentage of second homes in the various areas of the country.
Less than five percent of its housing stock in Greenville County is second homes. In Pickens County, 5 to 10 percent of the housing stock is second homes. The highest percentage in the Upstate is in Oconee County, with 10 to 15 percent of its housing stock classified as second homes. The highest percentage in the state can be found in Horry and Georgetown counties, where second homes account for more than 35 percent of the housing stock.