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Mayor Zohran Mamdani addresses Ken Griffin threat, announces Office of Deed Theft Prevention at press conference

Reported by Abc7ny
Apr 24, 2026· 3 min read
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Key Takeaways
  • • Mayor Zohran Mamdani announced the establishment of a Mayor's Office of Deed Theft Prevention focused on three operational pillars: deed fraud identification, prevention, and enforcement—targeting a practice that has historically preyed on communities of color in New York City.
  • • Billionaire Ken Griffin and his hedge fund Citadel are threatening to withdraw from a planned $6 billion Midtown redevelopment project (350 Park Avenue) that would generate 6,000 construction jobs and 15,000 permanent positions, citing reputational harm from Mamdani's public criticism.
  • • The conflict originated from Mamdani's viral social media campaign promoting a pied-à-terre tax on ultra-luxury second homes, which specifically highlighted Griffin's $238 million penthouse at 220 Central Park South (purchased in 2019) as an example of out-of-state wealth storage in NYC real estate.
  • • Griffin's team countered that the billionaire and his Citadel hedge fund (which employs 2,500 people in New York) collectively paid $2.3 billion in city and state taxes and directed $650 million in charitable contributions to city institutions, arguing he carries more than his fair share of tax burden.
  • • Mamdani declined to apologize for the video campaign, defending the focus on ultra-wealthy non-resident property owners and standing firm on the policy rationale for the proposed pied-à-terre tax.
Summary
Mayor Zohran Mamdani on Friday announced the creation of a Mayor's Office of Deed Theft Prevention during a press conference in Bedford-Stuyvesant, Brooklyn, framing the initiative as a public safety measure targeting fraud that disproportionately affects communities of color across New York City. The office will operate along three core functions: identifying deed fraud schemes, implementing prevention measures, and pursuing enforcement actions. The announcement occurred amid escalating tensions between Mamdani and hedge fund CEO Ken Griffin over the mayor's recent tax policy advocacy.

The institutional dispute centers on Mamdani's high-profile social media campaign promoting a pied-à-terre tax on ultra-luxury second homes owned by non-residents. In that campaign, filmed outside Griffin's residence at 220 Central Park South, Mamdani specifically cited Griffin's $238 million penthouse purchase (completed in 2019) as a flagship example of wealth storage by out-of-state owners. Griffin, who resides in Miami and serves as CEO of Citadel hedge fund, has responded by threatening to cancel his company's planned $6 billion redevelopment of 350 Park Avenue in Midtown Manhattan, a project expected to generate 6,000 construction jobs and 15,000 permanent positions.

In formal communications, Citadel's chief operating officer argued that targeting Griffin by name in a public tax advocacy campaign was "shameful" and claimed reputational damage constituted a personal attack. The firm emphasized that Griffin and Citadel collectively remitted $2.3 billion in city and state taxes and that Griffin personally directed $650 million in charitable contributions to New York City institutions. Citadel employs 2,500 people within the city. The COO's memo framed these contributions as evidence that Griffin "carries his fair share" of the tax burden.

When directly asked Friday whether he regretted the video, Mamdani declined to apologize. His response focused on the factual framing: the penthouse was the most expensive residential property sold in the United States at the time of purchase, reinforcing his argument that the pied-à-terre tax is appropriately targeted at the ultra-wealthy. The mayor's position signals that the deed theft prevention initiative and the broader tax policy debate will likely remain central to his administration's agenda despite the threatened project withdrawal.

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Abc7ny Mayor Zohran Mamdani addresses Ken Griffin threat, announces Office of Deed Theft Prevention at press conference