ALEXANDRIA, VA- E-commerce consulting firm to take top two floors in Mark Center in September. CNA Corp. will take the rest.

HERNDON, VA--Construction on speculative, five-story, 120,000-sf office building would start next year. Asking rents will be run in the mid to high $30/sf.

ARLINGTON, VA-TrizecHahn and JBG plan to start next spring on Waterview complex of offices, a hotel and residences. It will all add up to a total of 1.9 million sf.

CLARKSBURG, MD--Core Development switches to Insignia/ESG to manage its 484,000 sf of shops, offices and warehouse space. The portfolio had been with Foulger-Pratt.

CLARKSBURG, MD--Core Development switches to Insignia/ESG to manage its 484,000 sf of shops, offices and warehouse space. The portfolio had been with Foulger-Pratt.

WASHINGTON, DC--Billion-dollar complex of hotel, shopping and museum would replace convention center. Project could help turn Penn Quarter into entertainment and cultural center.

HERNDON, VA--Construction on speculative, five-story, 120,000-sf office building would start next year. Asking rents will run in the mid to high $30/sf.

LEESBURG, VA--Oxford Capital and Whitehall Funds pay $31 million for Document University. Adding a ballroom, guest room renovations and other improvements are expected to cost $29 million.