Musk responded on Twitter to the initial exclusive Reuters report that he met with the officials, saying it was "True."
Later, White House press secretary Karine Jean-Pierre confirmed the meeting took place and added that Musk did not meet with Biden personally.
A Reuters witness on Friday saw Podesta, Landrieu and Musk entering a downtown building that houses both Tesla's Washington lobbying operation and the Center for American Progress, a think tank Podesta founded.
BIDEN, MUSK TENSIONSRelations have often seemed antagonistic between Biden, who has pushed for companies to use union labor, and Musk, who has pushed to keep unions out of his factories.
Biden only publicly acknowledged the role of Tesla in U.S. electric vehicle manufacturing over a year after taking office, after Musk repeatedly complained about being ignored.