WASHINGTON, DC-William C. Smith Co. and Spaulding & Slye Colliers plan to build a 210,000-sf building with 188,000 rentable sf at 140 M St. SE.

MCLEAN, VA-Capital One persuaded the Fairfax County Board of Supervisors to approve its 14-story headquarters building in Tysons Corner.

WASHINGTON, DC-The Departments of Justice and Housing and Urban Development and the Environmental Protection Agency brought the enforcement actions against the area managers.

WASHINGTON, DC-Fannie Mae and Freddie Mac agreed to greater financial disclosure, allaying concerns that the two government-sponsored home mortgage lenders are growing too quickly, but not silencing political critics. The deal would require them to issue new subordinated debt as insurance against financial crises.

WASHINGTON, DC-Preferred Real Estate Investments plans to buy and renovate a vacant 480,000-sf office building overlooking the Anacostia River in Washington, DC, taking advantage of plans to redevelop this dilapidated industrial waterfront.

MCLEAN, VA-Aether Systems has signed a 10-year lease for 157,826 sf at Greensboro Corporate Center I at 8401 Greensboro Drive.

MCLEAN, VA-Mitretek Systems plans to move into the 253,000-sf building in November 2001.

RESTON, VA-Cable & Wireless leased 77,000 sf at the Sallie Mae corporate campus here after the student loan agency downsized its own staff.