Gavin Newsom net worth: How wealthy is the California governor accusing Donald Trump of targeting him?

Gavin Newsom’s estimated $30 million fortune comes from business ventures, investments, family wealth, and his current California governor salary.

California Governor Gavin Newsom is back in the headlines after accusing President Donald Trump of using the Justice Department to investigate him and his family for political reasons. As the public fight between the two leaders grows, attention to Newsom’s wealth, salary, and how he built his fortune before entering politics has come into the spotlight. Today, the governor has a fortune tied to years of business, with much of the family’s wealth linked to investments and his wife Jennifer Siebel’s family background.

California Governor Gavin Newsom gives remarks at the Center for American Progress Ideas Conference at the Mayflower Hotel in Washington, D.C., U.S., May 19, 2026. REUTERS/Annabelle Gordon (REUTERS)

Gavin Newsom’s net worth in 2026

According to Celebrity Net Worth, Gavin Newsom has an estimated net worth of $30 million. While he has spent most of his public life in politics, a large part of his wealth comes from business ventures he helped start before becoming mayor of San Francisco.

In 1991, Newsom and a group of investors launched PlumpJack Associates. The business later expanded into wineries, restaurants, hotels, and retail stores. Over the years, the company grew into a successful operation with hundreds of employees.

When Newsom became mayor of San Francisco in 2004, he sold his ownership stakes in his local businesses to avoid conflicts of interest. His family wealth is also connected to his wife, documentary filmmaker Jennifer Siebel. Her father, Ken Siebel, is a successful investment manager and real estate investor.

Gavin Newsom salary as California governor

As governor of California, Gavin Newsom earns a state salary. The governor’s annual salary is about $242,000, making it one of the higher gubernatorial salaries in the United States.

However, that salary represents only a small part of Newsom’s overall financial position. His business success, investments, and family assets contribute far more to his estimated wealth than his government paycheck.

Before becoming governor in 2019, Newsom also served as San Francisco mayor and later as California’s lieutenant governor, building a political career that spans nearly three decades.

Donald Trump and Gavin Newsom controversy

Newsom returned to national attention this week after claiming that federal agents had contacted members of his family, friends, and former employees while reviewing old records and documents.

In a video shared on social media, Newsom said President Donald Trump was targeting him because he may run for president in the future. He also urged Trump to leave his wife and family out of what he described as a personal vendetta.

The Justice Department and the White House had not responded to requests for comment at the time of reporting. The latest dispute adds another chapter to the long-running political rivalry between Newsom and Trump.