50th Anniversary Parade In 2006
Rossmoor is located at 33°47'20" North, 118°4'47" West (33.788917, -118.079721) [ . It borders the cities of Los Alamitos and Seal Beach .
According to the United States Census Bureau , the CDP has a total area of 1.6 square miles (4.0 km² ), of which, 1.6 square miles (4.0 km²) of it is land and none of it is covered by water.
One defining landmark of Rossmoor is the red brick wall that surrounds much of area