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.
Today, Bren owns 475 office buildings, 115 apartment communities, 41 retail centers, resort properties and new housing communities in Orange County, San Diego, Los Angeles and Silicon Valley.
Other local residents who took a hit on the Forbes list are Henry Samueli and Henry Nicholas.
Samueli ranked 238th in 2010, compared with 212 in 2009.
Nicholas ranked 269th in 2010, compared with 236 in 2009.
Samueli and Nicholas founded Broadcom with in 1991. The company was worth $10 billion in 2000, but lost $8 billion the next year.
While Nicholas left Broadcom in 1993, Samueli serves as chief technical officer. He also owns the Anaheim Ducks.