New York City Mayor Zohran Mamdani stood outside a billionaire's penthouse on April 15 and recorded a video promoting a new tax on luxury second homes. Eight days later, the billionaire's company signaled it might walk away from a $6 billion development that would reshape Midtown Manhattan, and the food vendors who work those blocks say they cannot afford to lose the foot traffic.
Citadel COO Gerald Beeson wrote in an April 23 memo to employees that the hedge fund was "about to commence the redevelopment of 350 Park Avenue," a project he said would create 6,000 construction jobs and support more than 15,000 permanent positions in Midtown. But Beeson's memo included a pointed qualifier: "if we move forward."
That two-word caveat landed like a brick. Fox Business reported that Citadel's threat to halt the project came directly in response to Mamdani's video targeting Citadel CEO Ken Griffin by name while announcing the proposed tax. Griffin called the mayor's approach a "personal attack" and a "profound lack of judgment."
Mamdani's April 15 video did not simply announce a policy. It made Griffin the face of it. Standing outside Griffin's Manhattan penthouse, Mamdani described the proposal as "an annual fee on luxury properties worth more than $5 million, whose owners do not live full-time in the city." Then he got specific:
"Like for this penthouse, which hedge fund CEO Ken Griffin bought for $238 million."
Griffin, whose net worth Fox Business placed at $51 billion, founded Citadel in 1990. The firm's planned 62-story skyscraper at 350 Park Avenue in the Turtle Bay neighborhood would become New York's second-tallest building. The development represents one of the largest private construction commitments in the city's recent history.
Singling out a specific taxpayer by name and address while rolling out a revenue proposal is not standard practice. It is the kind of move that treats governance like a social media clip, designed to generate applause from one audience while ignoring the consequences for another. Mamdani's ideological combativeness has drawn sharp criticism before, and this episode fits the pattern.
In the same video, Mamdani also said: "I also want to thank Ken Griffin for funding a memorial wall that will open later this year." The line read less like gratitude and more like a taunt, thanking a man for his philanthropy while publicly targeting his home and his wallet.
The political fight between a progressive mayor and a hedge fund titan makes for good cable news. But the people caught in the middle are the ones nobody in City Hall bothered to consult: the food vendors, cart operators, and small-business workers who depend on Midtown office traffic to survive.
Maria, who runs the Eggstravaganza food truck at the corner of Park Avenue and East 52nd Street, told Fox Business she has been bringing her truck to Midtown Manhattan for 13 years. She described a neighborhood still recovering from the pandemic's blow to foot traffic.
"Before the pandemic it was like, I couldn't even talk to you right now. But now everything changed. A lot of companies are moving to different places. A lot of companies moved to SoHo, different places... Hudson Yards, a lot of people."
Maria said the Citadel project could reverse some of that decline. "If the owner brings more people, it's gonna be a lot of business," she said. "So if this building brings in a lot of customers, that would definitely help."
She also pointed to the 2025 shooting at 345 Park Avenue, which led Blackstone to temporarily shutter its offices and send more than 3,000 employees to work from home. That kind of disruption hits vendors immediately. Fewer workers on the street means fewer lunches sold.
Ash, who has worked at a Rafiqi's food truck next to Maria's cart for 25 years, was blunter about what losing the Citadel project would mean.
"Canceling such a business, of course, will affect our business as well because we depend on the traffic from the people around here."
Ash described a business environment already squeezed from every direction. "Prices went up, it follows the new government here... it affects us a lot," he said. He cited international instability as well: "The international situation, the war in Iran, affects us as well. Everything goes up. It's hard for us. We have to keep our prices as well, we can't change a lot of our prices."
Mamdani's own public comments on the Iran conflict have drawn their own backlash, but for vendors like Ash, the geopolitics are less abstract. They show up in the cost of supplies and the thinning of customer lines.
An anonymous vendor operating a Greek halal cart on 51st Street echoed the same concern. The vendors Fox Business spoke with were not discussing tax policy in the abstract. They were describing what happens when political leaders chase headlines instead of protecting the economic conditions that let working people earn a living.
At the end of April, Griffin met with New York Governor Kathy Hochul to discuss what Fox Business described as the "future direction of New York" amid Mamdani's tax proposals. The meeting suggests the stakes extend well beyond a single building. When one of the world's wealthiest investors sits down with a governor to talk about a state's direction, the subtext is not subtle: the business climate is being evaluated.
Beeson's memo laid out the numbers plainly. The 350 Park Avenue redevelopment would generate more than $6 billion in spending. The 6,000 construction jobs and 15,000 permanent positions represent real paychecks in a city that has watched office tenants flee to other boroughs and other states since 2020.
None of that is guaranteed now. Beeson's "if we move forward" leaves the door open, but it also leaves it open to closing. And the mayor's office has given no public indication it intends to walk back the proposal or repair the relationship.
Mamdani's political instincts have already cost allies in recent races, and this confrontation with Citadel carries higher stakes than a council seat. A $6 billion project does not get rescheduled like a campaign rally. Construction timelines, financing windows, and tenant commitments all have expiration dates.
There is a legitimate debate to be had about housing policy, luxury real estate, and the tax burden in New York City. Reasonable people can disagree about whether a fee on high-end second homes makes fiscal sense or drives capital out of the city.
But that is not what Mamdani did. He did not introduce a bill and invite public comment. He stood outside one man's home, named him on camera, cited the purchase price of his apartment, and turned a policy announcement into a personal confrontation. The result was predictable: the target pushed back, a massive development is now in doubt, and the working people closest to the project are left wondering whether their livelihoods were worth the clip.
Fox Business noted it reached out to representatives for Mamdani, Hochul, and Citadel for additional comment. The open questions remain significant. Has Citadel formally canceled the project, or is Beeson's language a negotiating posture? What specific legislative mechanism would implement the tax? And does the mayor's office have any plan to address the economic fallout if the development stalls?
Mamdani has faced political setbacks before, but this one carries a price tag measured in billions of dollars and thousands of jobs. The vendors on Park Avenue and 51st Street are not abstractions in a policy debate. They are the people who show up before dawn, set up their carts, and depend on a functioning city to make a living.
Maria, Ash, and their neighbors did not pick this fight. They just have to live with the consequences.
That is the difference between populism and governance. One gets you a viral video. The other keeps the lights on.
