EXCERPT: “We sifted through listings to figure out which of the 150 largest metros had the highest percentage of homes on the market that are 3,000 square feet and above. (The average square footage of a new single family home is 2,627, according to the National Association of Home Builders’ analysis of U.S. Census Bureau data.) Sure, this includes some tasteful, large homes and legit mansions. But it was impossible to separate those from the McMansions—it’s rare to see the word ‘tacky’ in a home listing. More than 70% of the housing markets we looked at saw an uptick in the share of listed homes larger than 3,000 square feet since January 2016. There are more large homes being built now than there were at the height of the housing market, over a decade ago. But that doesn’t mean they’re easy to sell.” FULLSTORY: