The Swig Company announced that Solar Mosaic, the nation’s leading residential solar platform, has signed a long-term lease at 300 Lakeside Drive. 300 Lakeside Drive is a 28-story tower, part of the Kaiser Center complex next to Lake Merritt in Oakland’s popular Uptown neighborhood. Solar Mosaic will move to the building from its current location downtown in September 2017. The solar firm will occupy almost 30,000 square feet on the 24 th floor. The space commands excellent views and offers the new tenant abundant natural light and an open-ceilinged, creative office environment. Solar Mosaic is the latest in a stream of new tenants to Kaiser Center that has seen occupancy rise to 97 percent. Late last year, global construction and engineering giant AECOM moved more than 450 employees into 100,000 square feet of space at 300 Lakeside Drive after consolidating several Bay Area offices. Kaiser Center spans a 7.2-acre parcel that consists of a T-shaped, 28-story office