Star Riverside, a four building condo complex on Riverside Drive just east of I-35, has officially commenced construction on the first 2 buildings. In this first phase, two 6-story lake front buildings will contain 64 large mostly 3/3 units ranging from 1,500 to more than 2,500 square feet with prices starting at $600k. The first two buildings are expected to be completed by Summer, 2009. A second phase will add 9 and 12-story towers with units as small as 600SF and . . .