Fannie DUS Provides Additional Data for Multifamily. Fannie Mae announced the creation of DUS Disclose, a new MBS disclosure website that will enhance the transparency and increase the data available for multifamily securities in alignment with the industry. The new platform will replace the existing Multifamily Securities Locator Service and is expected to be available in the fourth quarter of 2017. Fannie Headquarters to Morph into High-End Grocer. As Fannie Mae prepares to vacate its iconic headquarters with a move to downtown Washington in 2018, plans are coming along for the soon-to-be former site of the GSE. Roadside Development announced...