ANC 4A consists of single-family homes, apartment buildings, businesses, places of worship, schools and notable locations such as the former Walter Reed Army Medical Center.

ANC 4A serves the Ward 4 communities of Brightwood, Colonial Village, North Portal Estates, the Parks at Walter Reed, and Shepherd Park, in NW DC.  
 
ANC 4A normally meets at 7:00 p.m. on the 1st Tuesday of each month, other than in July and August.