Here we believe in making you feel at home in Gaithersburg from the moment we meet. Welcome to Residences at Rio Apartments in the heart of Gaithersburg! As part of Bernstein Management Corporation, you can count on a few things - an enjoyable Maryland neighborhood, great apartments, and a friendly, helpful team focused on making your life easier. We want to ensure your experience at Residences at Rio is hassle-free, so all you have to worry about is where to put your couch.