Tishman Speyer pushed forward with their plans for two modern towers to rise up to 420 feet in height on the northeast corner of 4th and Townsend, stretching across seven Central SoMa parcels, which now include 960 condos, a 38-room boutique hotel and 24,500 square feet of commercial space over an underground garage for 276 cars and 18,500 square feet of ground floor retail space wrapped around a central courtyard.