The Price Difference Between an Average McMansion and a Smaller Property Has Fallen Since the Housing Boom

In cities from San Francisco to Boston, the price difference between an average McMansion and a smaller property has dropped significantly since the housing boom. Trulia’s chief economist Ralph B. McLaughlin correctly attributes the trend in part to shifting demographics: Neither Millennial first-time buyers nor downsizing Boomers want (or need) giant h…