The Developmental Disabilities Administration (DDA) has four regional offices throughout the state. DDA is a department under the state agency Department of Health and Mental Hygiene (DHMH).

Howard County residents are part of the
Central Maryland Region:
Developmental Disabilities Administration,
Central Maryland Regional Office
1401 Severn Street
Baltimore, MD 21230
410-234-8200 or 1-877-874-2494

Developmental Disabilities Administration

201 West Preston Street, Baltimore, MD, United States