Portner Flats offers sustainably designed studios, 1, 2 and 3 bedroom apartments to income qualified households. Required income qualifications can be found here. Located just a few blocks from the U Street Metro on the green line, Portner Flats is ideally located in the heart of the 14th and U Street corridor and all its amenities. Enjoy the bustling nightlife and walk to all the restaurants in one of the hottest neighborhoods Washington DC has to offer.