Here you go, same info for crawl spaces as well. > 30 percent of new single-family homes started in 2013 have a full or partial basement, 54 percent are built

Here you go, same info for crawl spaces as well. > 30 percent of new single-family homes started in 2013 have a full or partial basement, 54 percent are built on slabs, and 15 percent have a crawl space. https://eyeonhousing.org/2014/10/what-foundations-are-built-across-the-nation/ https://eyeonhousing.org/2014/10/what-foundations-are-built-... I think you are looking at a small subset of data.