Shield
Argent a fess Vert charged with an arrowhead of the field in chief a Lorraine cross and in base two fleurs-de-lis fesswise Azure all between flaunches Gules each charged with an arrowhead of the first.
Crest
That for the regiments and separate battalions of the California Army National Guard: On a wreath of the colors Argent and Gules, the setting sun behind a grizzly bear passant on a grassy field all Proper.
Motto
ADEIFICAMUS DUCIMUS (We Build We Lead).
Shield
Scarlet and white are the colors used for the Corps of Engineers. The Lorraine cross and fleurs-de-lis refer to France where an element of the organization participated in six campaigns of World War I. Two fleurs-de-lis are used to allude to World War II when elements of the organization participated in two theaters, the European-African-Middle East and Asiatic-Pacific. The arrowheads are separate to denote element participation in three assault landings: Algeria-French Morocco, Eastern Mandates and Leyte. The colors blue, white and red represent the Philippine Presidential Unit Citation awarded the unit. The colors white, blue, red and green represent the Republic of Korea Presidential Unit Citation. The sequence of the charges in the design, 1-3-2 allude to the numerical designation of the organization.
Crest
The crest is that of the California Army National Guard.
The coat of arms was approved on 27 September 1976.