According to the latest estimates from NAHB, roughly 10.2 percent of single-family homes started in 2016 qualify as teardown starts, up from 7.7 percent in 2015. NAHB defines a teardown start as a home built on a site where a previous structure existed before the new home was started, as reported by the builder of the new home. By applying the weighted percentage of 10.2 percent to the 2016 total of 781,000 single-family housing starts reported by the U.S. Census Bureau, NAHB came up with an estimate of 79,300 single-family teardown starts.
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