For real estate sites such as Zillow, the housing numbers you see for first homes and the sort of houses people own generally come from government data, such as resale prices from the Canada Mortgage and Housing Corporation.
But a few places in the US get data directly from people who buy houses—not from owners, not from lenders, and not from a mortgage broker. My colleague Camila Tominey found out that the CFA, the US federation of state bar associations, gets pretty accurate home price data just from the super-wealthy: people who pay high real estate taxes but who still own their homes outright.
These buyers tend to be on the super rich end of the spectrum: this year, according to the CFA, people on Forbes magazine’s billionaire list have a combined net worth of $955.26 billion, the largest in Forbes’s history.
Here’s how some of these homes fared: