DALLAS — Dallas-based United Commercial Realty (UCR) has arranged the first lease at Greenspace Center, a planned 32,000-square-foot retail project located at 2001 Greenville Ave. in Dallas. Golden, Colo.-based Natural Grocers will occupy 10,800 square feet as the center's anchor tenant. It will be the company's second Dallas location. UCR's Bill Veatch and Ryan Tinch represented the landlord, Madison Partners. Construction for Greenspace Center will begin in the first quarter of 2010 and is scheduled for completion in the second quarter. The project will be seeking LEED certification.