$100M estate of Gap's Fisher family among Bay Area trophy properties that just hit the market

Bay Area homes with both grandeur and pedigree are cropping up on the MLS, adding to a September real estate market that's already swimming with new listings. The most notable is a $100 million estate located in the most expensive ZIP code in the Bay Area — and the entire country: Atherton, 94027. The home is at 170 Atherton Ave., the estate of the famed Fisher family. Donald and Doris Fisher are founders of the retail brand The Gap. Don Fisher died in 2009. “This listing is the largest real…