1. The Oakland Planning Commission approved two more high-rises for Uptown: a 450-foot office tower, which would be the city’s tallest building, at 2 Kaiser Plaza, and a 29-story housing tower at 2044 Franklin St., reports Roland Li of the San Francisco Business Times$. CIM Group, which owns Jack London Square and is Oakland’s largest office landlord, is building the officer tower, while developer RAD Urban is constructing the housing high-rise. RAD Urban uses modular construction. 2.