Quadrangle Development Corporation

 

Office
Residences
Dist of Columbia
Lyric
Ambassador
Sonata
Madrigal Lofts
West Park
Maryland
Virginia
Hotel
Quadrangle DC properties Mariott Marquis West Park 901 E St 1625 K St 1875 K St 2020 K St 2033 K St 1400 L St 2030 K St 1709 New York Avenue 2033 M St 1301 Pennsylvania Avenue 1919 Pennsylvania Avenue AIPAC Center for Public Adminstration and Services Farragut Building National Place National Press Building National Theatre Washington Center Ambassador House Sonata Madrigal Lofts Grand Hyatt JW Marriott Carnegie Endowment for International Peace