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Photographer: Vince Valdes for Sotheby’s International Realty

Real Estate

Two Tech Founders Are Listing Their $13 Million Mountaintop Mansion

The couple spent as much time building the Marin County house as they did living in it.

In 2009, tech entrepreneur couple Andrea Chavez and Daniel Putterman decided they wanted to leave San Francisco for a more rural area, but weren’t quite ready to give up city living. “We were addicted to an urban environment,” Putterman says. “But we wanted to have the freedom and beauty” of the countryside.

They hit on Mill Valley, a city 14 miles into Marin across the Golden Gate Bridge, with a population of 15,000 people. “It’s 20 minutes from north San Francisco,” says Chavez, whose most recent startup is Pawscout, a digital pet tag. “We had offices in San Francisco for a while, and the commute was shorter than when we lived in the city.”