Lefty billionaire Stephen Cloobeck dramatically cut ties with Eric Swalwell and revealed he has kicked him out of his mansion — hours before the congressman dropped his run for California governor.

“I am no longer supporting Eric,” Cloobeck told The Post in an exclusive interview. “F—ing tell everyone I’m a libertarian. F— you, Democrat Party. I’m a libertarian now.”

The ugly breakup between the timeshare mogul and Bay Area congressman — who pulled out of the governor’s race late Sunday — marks yet another stunning point in Swalwell’s cratering political career.

Following public allegations Friday of rape, sexual assault and other sexual misconduct made from several women who knew or worked for Swalwell, the Bay Area congressman lost most of his endorsements, he’s potentially facing expulsion from Congress and become the subject of a criminal investigation.

Cloobeck spent more than $1 million supporting Swalwell’s candidacy, and the embattled congressman filmed a denial video Friday from inside the billionaire’s palatial Beverly Hills mansion.

Cloobeck confirmed Swalwell was no longer staying with him and the billionaire’s alleged honeytrapper fiancée, who has been accused of burglarizing the homes of other rich, old men in Los Angeles.

“I have a lot of people who stay at my house,” Cloobeck said with a laugh. “I built a gorgeous place, my dream home, I relish it, and I’m a very generous man. I’m very thoughtful and I’m very kind.”

He added that he would need to talk with his attorney to see if he can claw back the $1 million he gave an independent committee supporting Swalwell.

Just weeks ago, Cloobeck called Swalwell his “little brother” in an interview with Politico, and he scoffed in a previous interview with The Post when asked about rumors that Swalwell may have acted inappropriately with female staff and interns.

Cloobeck, who said he has been a Democrat for “almost 40-year plus,” is now unsure where the allegations will ultimately lead, but he said the controversy was enough to make him walk away.

“I don’t know where these facts are going to end up — you hear or read all this stuff,” he said.

When asked whether he believed Swalwell had been truthful with him, Cloobeck said: “I’m gonna have to investigate that. I don’t know the answer to that.”

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Here’s the latest on the allegations against Rep. Eric Swalwell

• Powerhouse attorney reveals alleged Eric Swalwell rape victim is about to drop even more evidence
• Staggering number of booze deliveries Eric Swalwell charged to campaign — including Vegas bender
• Eric Swalwell blew $75K from defunct congressional campaign on booze, hotels and more, filings show
• Bill Maher calls Eric Swalwell a ‘f–king creep,’ says he ‘never liked’ the disgraced Democrat

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Cloobeck, who gained more name recognition after briefly running for governor last year and making multiple appearances on the TV show “Undercover Boss,” has been extremely generous to Swalwell.

On top of letting the deeply-in-debt congressman frequently stay at his 9,700-square-foot mansion, Cloobeck gave the maximum $39,200 to Swalwell’s campaign and gifted the congressman a $31,000 trip to France in 2024.

Cloobeck had harsh words for fellow billionaire Tom Steyer, saying the progressive hedge funder-turned-environmentalist and candidate for governor — who has dropped nearly $100 million on the race — was “spending all this money on bulls—.”

“I’ve met most of the players, and I will continue to,” Cloobeck said. 

Party affiliation, however, will clearly not be the attribute Cloobeck prioritizes most.

“I’m going to change my Godd— party affiliation, because I cannot stand this Democratic Party at all,” he said. “I am done. Finito.”