Two DTC office buildings have sold at a loss — even compared to what they fetched in the 1990s. The neighboring structures at 8350 E. Crescent Parkway and 8390 E. Crescent Parkway in Greenwood Village were purchased last week by Glendale-based Westside Investment Partners and Denver-based Knightbridge Capital. The firms paid $11.85 million for the larger of the two: the 135,000-square-foot building at 8390 E.