The Doheny Mansion, once home to one of Los Angeles' wealthiest families. Now part of the campus of Mount St. Mary's University. Los Angeles Almanac Photo.
In the 2025 Forbes 400 list of America's wealthiest persons, 100 persons/families reside in California. Each had a personal net worth of at least $3.9 billion. Of these, 23 were residents of Los Angeles County, the highest concentration in any of the state's counties. The combined 2026 wealth of these Los Angeles County billionaires was $220 billion, about 11 percent of the combined wealth of all California billionaires in the Forbes list.
In 2026, John Tu rose for the first time to wealthiest person in Los Angeles County. Peter Thiel, ranking in second place, had risen from 24th wealthiest person in the county in 2020 to second place in 2026. Over that period of time, Thiel's wealth had grown from about $2 billion to more than $28 billion.
Ranked by Net Worth. Net worth figures are as of July 2026.
| Name | Net Worth ($ Billion) |
Age | Residence | Source of Wealth | California Rank |
|---|---|---|---|---|---|
| John Tu | $31.0 | 85 | Rolling Hills | Computer Hardware | 9-tie |
| Peter Thiel | $28.1 | 58 | Los Angeles | Facebook, Investments | 10 |
| Eric Smidt | $17.9 | 66 | Beverly Hills | Harbor Freight Tools | 15 |
| Anthony Ressler | $13.8 | 65 | Los Angeles | Finance | 21-tie |
| Marijke Mars | $10.8 | 62 | Los Angeles | Mars Inc. Heir | 26 |
| Name | Net Worth ($ Billion) |
Age | Residence | Source of Wealth | California Rank |
| Tom Gores | $10.1 | 62 | Beverly Hills | Private Equity | 29 |
| David Geffen | $9.2 | 83 | Beverly Hills | Motion Pictures, Music | 32 |
| Patrick Soon-Shiong | $9.1 | 74 | Los Angeles | Pharmaceuticals | 33 |
| Lynsi Snyder | $8.7 | 43 | Glendora | In-N-Out Burger | 34-tie |
| Don Hankey | $8.2 | 83 | Malibu | Auto Loans | 35-tie |
| Name | Net Worth ($ Billion) |
Age | Residence | Source of Wealth | California Rank |
| Michael Milken | $7.5 | 80 | Los Angeles | Investments | 39 |
| Steven Spielberg | $7.1 | 79 | Pacific Palisades (Los Angeles) | Motion Picures | 42 |
| Edythe Broad & Family | $7.0 | 90 | Los Angeles | Homebuilding, Insurance | 43 |
| Edward Roski, Jr. | $6.9 | 87 | Los Angeles | Real Estate | 44 |
| Jean (Gigi) Pritzker | $6.1 | 64 | Los Angeles | Hotel Heir, Investments | 48 |
| Name | Net Worth ($ Billion) |
Age | Residence | Source of Wealth | California Rank |
| Rick Caruso | $5.9 | 67 | Los Angeles | Real Estate | 49-tie |
| Lynda Resnick | $5.4* | 83 | Beverly Hills | Agriculture | 52-tie |
| Stewart Resnick | $5.4* | 89 | Beverly Hills | Agriculture | 52-tie |
| Anthony Pritzker | $4.9 | 65 | Los Angeles | Hotels, Investments | 55-tie |
| Donald Sterling | $4.4* | 92 | Beverly Hills | Real Estate | 58-tie |
| Name | Net Worth ($ Billion) |
Age | Residence | Source of Wealth | California Rank |
| Meg Whitman | $4.4* | 70 | Los Angeles | eBay | 58-tie |
| Behdad Eghbali | $3.9* | 50 | Los Angeles | Private Equity | 63-tie |
| José E. Feliciano | $3.9* | 53 | Marina del Rey | Private Equity | 63-tie |
* Tied in ranking
Source: Forbes
