Here we believe in making you feel at home in Adams Morgan from the moment we meet. Welcome to The Diplomat apartments in the heart of Adams Morgan! As part of Bernstein Management Corporation, you can count on a few things - an enjoyable D.C. neighborhood, great apartments, and a friendly, helpful team focused on making your life easier. We want to ensure your experience at The Diplomat is hassle-free, so all you have to worry about is where to put your couch. Bernstein Management Corporation will not refuse to rent a rental unit to a person because the person will provide the rental payment, in whole or in part, through a voucher for rental housing assistance provided as applicable by the District, state, or federal government. Equal Housing Opportunity.