It should come as little shock that the person who purchased the stately Pacific Heights mansion at 2250 Vallejo—a 1902 abode boasting seven bedrooms, seven baths, and 9,095 square feet—works in the tech industry. What is surprising, at least for some, is how young the buyer is.

Kyle Vogt, a former MIT student with a revenue-generating penchant for robotics, ... read more...