https://www.mercurynews.com/2019/06/17/uber-creates-big-silicon-valley-hub-with-downtown-sunnyvale-lease/ > SUNNYVALE — Uber has struck a deal for a major Silicon Valley expansion with a big lease in downtown Sunnyvale that gives the tech company enough office space for up to 1,900 workers near a Caltrain station. > The ride-hailing company has agreed to lease two big office buildings in downtown Sunnyvale that together total roughly 291,000 square feet, according to multiple sources with knowledge of the transaction.