The lawsuit alleges the board is packed with Mamdani loyalists and relied on manipulated data.
Mayor Zohran Mamdani is using his Office of Community Engagement to "make sure New Yorkers' voices are heard" at the upcoming Rent Guidelines Board hearings.
The board is expected to hold a preliminary vote on rent increases in two weeks, followed by a final vote in June.
New York City has the lowest vacancy rate of any major city in America.
Rents in Manhattan and Brooklyn reportedly soared to an all-time high last month.
The women of "The View" welcomed New York Mayor Zohran Mamdani to the show on Tuesday.