The Omni Group, a software developer specializing in iPhone, iPad and Mac applications, leased 33,600 square feet in the five-story office building at 1000 Dexter Ave. in Seattle, WA. Omni Group is expected to take occupancy of the space in November of this year. Delivered in 1998, the 110,500-square-foot building was recently awarded an Energy Star label for its operating efficiency earlier this year. The class A property sits in the heart of Seattle’s Lake Union submarket.