Granted 1990
Blazon: Per pale argent a cross of Santiago gules and azure on a base proper a castle triple-towered or, all within a bordure of the second charged with eight castles triple-towered of the fourth windowed of the third
The castle that appears in the arms and gives the town its name is at least 800 years old, probably older. The settlement that eventually became Castellar de Santiago may have begun in the fortress once it was no longer used for defensive purposes.
