These were the 10 priciest neighborhoods to buy a home in the Bay Area in 2020 FacebookTwitterEmail A home is seen with a For Sale sign posted outside the front gates in Atherton, Calif. Thursday, July 25, 2019.Jessica Christian / The Chronicle Atherton continued its reign during the pandemic last year as the most expensive real estate market in the Bay Area, topping even the sky-high prices of San Francisco’s most exclusive neighborhoods, a new report showed. The San Mateo County town, which has attracted ultra-wealthy tech executives and sports figures among its home buyers, had a median ...