How to Build an Accessory Apartment or Second Dwelling in the District of Columbia

The ADU D.C. Homeowner’s Manual is a product of the year-long ADU DC initiative launched in the spring of 2019. This effort was made possible with the support of founding funder Citi, and led by the United Planning Organization (UPO), along with its partner, the Coalition for Smarter Growth.

For more information on how to build an ADU, view the full resource folder here. Also, join our online forum on DC ADUs here.