Ken Griffin doubles down on Miami with expanded development plans after Zohran Mamdani feud

Ken Griffin appears to be making good on his promise to “double down” on Miami — just weeks after he became the unwitting face of Mayor Zohran Mamdani’s campaign to tax the rich.The billionaire Citadel founder has expanded plans for his sprawling Miami development after publicly feuding with the democratic socialist mayor over New York’s newly enacted pied-à-terre tax, according to Bloomberg News.The latest proposal adds a 300-unit apartment tower, a 1,420-space parking garage and additional office space to Griffin’s growing real estate empire in Miami’s Brickell financial district.Griffin has also acquired all of the units in a 22-story condominium building across the street from the planned headquarters and intends to demolish the structure to make way for future development, Bloomberg reported.The move is the clearest sign yet that Griffin is backing up his threats to steer more investment toward Florida following his clash with Mamdani.The feud erupted in April when Mamdani filmed a viral Tax Day video outside Griffin’s Manhattan penthouse at 220 Central Park South, citing the financier by name as he used the $238 million apartment as an example of the type of property that would be affected by the levy.Griffin fired back, calling the stunt “creepy” and warning that New York was sending the wrong message to investors and employers.Jay Batra, CEO of Batra Real Estate and Batra Property Management, who works in both New York and Miami, told The Post that the bigger issue may not be the tax itself but the attention surrounding it.“I think the pied-à-terre tax itself will do less damage than the publicity that this has generated,” Batra said, adding that many affluent buyers are increasingly asking whether there are other cities where they would rather “park” their money.Griffin has spent years assembling land in Brickell, where he now controls roughly five acres spanning two city blocks.The latest changes would make the project even m...