Maumau attended St. Louis School in Honolulu and was a teammate of Olin Kreutz and Chris Fuamatu-Ma'afala. He was drafted in the seventh round of the 1998 NFL Draft.
Maumau studied at St. Louis School in Honolulu alongside Olin Kreutz and Chris Fuamatu-Ma'afala. In the 1998 NFL Draft, he was chosen in the seventh round.