• Multi-purpose development Union Row’s foundation has been poured. When completed, the development, just north of the H Street corridor, will have 700 residential units. [DC Metrocentric]

• The Falls Church Housing Corporation is awaiting a review of its plan to replace two office buildings with a mixed-use development. In addition to office space, the development would offer apartments for lower-income households. [DC Mud] 

• The city government is suing 23 landlords over serious housing-code violations. More than 470 apartment units are affected by the lawsuit. [DC Mud]

• Suburban Hospital submitted a proposal to Montgomery County for a $230-million expansion. Opposition is likely from residents of Huntington Terrace, the neighborhood that surrounds the hospital. [The Gazette]

• Prince of Petworth has started a neat new feature highlighting interesting rental options around the city. [Prince of Petworth]

• Foreign investors made almost 11 percent of the city’s commercial real-estate purchases in 2007. Again, we’re left wishing we were being paid in euros instead of dollars. [Washington Business Journal]

• The Constitution Square development in NoMa (North of Massachusetts Avenue) broke ground this week. Expected to be completed in 2010, the first phase of the project will include a Harris Teeter grocery store, office space, apartments, and a Hilton Garden Inn. [NoMa Business Improvement District]