D.C. Apartment Rents Fell 3.9% In 2017 As Rare Drop Continued In Q4 News Jon Banister, Bisnow Washington, D.C. January 11, 2018 3.9% from the end of 2016 to the end of 2017, according to Delta Associates, bringing the average Class-A rent to $2,491 per month. This Learn More