Newport Beach's wealthiest resident dropped five notches in the annual ranking of America's richest individuals, according to the 2010 Forbes Rich List.
In a ranking of 400, real estate investor Donald Bren came in at 21, with a calculated net worth of $12 billion.
This is a slight dip for Bren, who ranked No. 16 in 2009.
According to forbes.com, Bren built his first house on a $10,000 loan in 1958. By 1996, he was the principle owner of the Irvine Co. and in the process of developing much of Orange County.