Developmental Disabilities Administration (DDA) is the District of Columbia’s agency responsible for determining eligibility for supports and services for people with intellectual and other developmental disabilities; for ensuring an adequate system of qualified provider agencies and ensuring that people are linked to other resources and agencies that may meet their needs.

The links on this page include contact information for DDA service coordination staff; information about service providers; advocacy agencies; how to get assistance with applying for benefits; and a calendar of community events. New information is added on an ongoing basis.