https://www.mercurynews.com/2019/10/08/four-bay-area-cities-rank-in-top-20-out-of-100-for-worst-affordability/

One million dollar tear-downs. Bidding wars. House hunts that last for years. Life in the Bay Area real estate market has long been harsh for buyers.

That’s why it may not surprise you to learn that RealtyHop’s Housing Affordability Index shows four Bay Area cities placing in the top 20 in the country for worst affordability. RealtyHop analyzed factors such as the median household income, the median home listing prices, local property taxes and mortgage expenses in the 100 most populous cities.