On a recent misty Monday, a fresh house in Bolinas went live on the real estate listing database Bay Area Real Estate Information Services. Within minutes of appearing online, B.G. Bates, a real estate agent whose digitalized Rolodex might just be big enough to justify using an external hard drive, had assessed the home, where writer Anne Lamott reportedly penned her debut novel, “Hard Laughter.”
“I’ve sold this home twice in the past,” said Ms.…