Note that this property is not part of the Greater U Street Historic District. That begins one block over on the 600 block of Florida Avenue NW, even addresses. So there is no design review for the work planned. (But the replacement windows do look great!)
The address on one of the posted permits is 512-520 Florida Avenue NW. The owner of record from the DC Real Property Assessment Database is: MARYAM FATHI ABBAS FATHI in Gaithersburg.The posted permit has this text: Permission is hereby graned to Howard University. (to do what?)
Proposed use: Retail or wholesale store.
Eric over at LeftforLeDroit has posted some info: http://leftforledroit.com/2010/09/recent-renovations/
Eric reports that no tenant has been found (yet).
Scenic Artisan took some photos of this building, which can be seen here: http://www.flickr.com/photos/scenicartisan/5005439089/in/photostream /