Anthropic leases 330 Hudson for 1,700 desks, and Airbnb buys 281 Park South

New York’s business doom loop got a fresh data point this week: Anthropic is leasing a full 16-story building at 330 Hudson Street, and Airbnb is paying $81.5 million for a six-story home at 281 Park Avenue South. The subtext is loud even if the headlines are polite. While some billionaires have been warning that the city’s political climate could scare away companies, capital, and high earners, two fast-growing brands are doing the opposite, expanding their footprint and doubling down on headcount.

Start with Anthropic. The Claude-maker is dramatically expanding its New York presence, moving from an office near the current one at 155 Sixth Avenue to 330 Hudson Street. Fortune reports Anthropic expects to occupy all 16 floors, enough space for about 1,700 desks, and to exceed 1,000 employees in the city by the end of the year. The company is currently hiring in New York across research, engineering, policy, sales, and operations. Anthropic chief commercial officer Paul Smith told the New York Post that New York is one of the main hubs for how AI is being put to work, and that Anthropic is a technology partner to financial institutions, media companies, and cultural organizations that help define the city. He also said doubling the team and deepening long-term commitment will let the company sit closer to that work and the people driving it.

Now look at Airbnb, because the message changes slightly but the commitment is just as real. Fortune says Airbnb purchased 281 Park Avenue South, a six-story building in Gramercy, for $81.5 million, according to The Wall Street Journal. The building is expected to serve as a hub for Airbnb’s New York-area workforce, which numbers more than 600 employees. In a statement to AM New York, CEO Brian Chesky said New York City has been part of Airbnb’s story since the earliest days, and that the building reflects the company’s long-term commitment. He added it will be home to one of Airbnb’s largest employee hubs outside of San Francisco.

Put those moves side by side and you get a clear pattern: both companies are choosing density over distance, and proximity over “maybe we’ll come back later.” That matters because the warnings about New York have not been theoretical. Fortune lays out how billionaire investor Bill Ackman warned last year that if Zohran Mamdani became mayor, “You’re going to see the flight of businesses from New York.” Ken Griffin, the Citadel founder, has urged New York business leaders to “fight for their city,” warning that political choices could push talent elsewhere. Griffin’s own feud with the mayor is tied to a Tax Day video in which the young, self-described Democratic Socialist called out Griffin’s penthouse apartment as a prime example of why the city would benefit from a pied-a-terre tax. After that, Fortune reports that Griffin’s CCO at Citadel responded in a letter to investors that the company may decide to halt construction of a $6 billion building in midtown Manhattan, though that has never actually materialized.

In other words: the debate isn’t about whether people care. It is about whether policy risk translates into actual operational risk. Fortune says both Mamdani and New York State Gov. Kathy Hochul supported Anthropic’s announcement, and other local politicians cheered the investment. City Comptroller Mark Levine told NY1 he would rather have the “tools being built here” so New Yorkers can shape them, including people who ride the subway every day. Hochul touted memory chipmaker Micron’s $100 billion semiconductor project in New York as “leading the resurgence,” adding that the state is “the place if your business wants to grow and thrive.” This is the political mirror image of the billionaires’ warning: while one side argues policy will push business out, the local leadership argues the same forces can attract jobs and investment.

For executives, the business logic is easier to see in Anthropic’s case than in most. Fortune notes that New York offers proximity to industries racing to adopt generative AI: finance, media, legal services, consulting, advertising, health care, and enterprise technology. That is not just about recruiting. It is also about having a front-row seat to customers and partners who want AI “put to work,” right next to the people who make financial products, run media brands, or operate within heavy regulation. Anthropic’s hiring spread across research, engineering, policy, sales, and operations signals that it is not only building models. It is building the go-to-market muscle and the policy interface that enterprise deployments require. The company also framed a broader U.S. expansion as part of a larger infrastructure buildout, announcing in November a $50 billion investment in American AI computing infrastructure, including data centers in New York.

Airbnb’s logic is more complicated, because it runs through years of regulatory conflict. Fortune points out that Airbnb’s move is its first expansion into the city after a years-long feud that ended with local politicians passing a 30-day minimum stay requirement for all Airbnb listings. It also recalls Local Law 18, adopted in 2022, which curtailed Airbnb’s core short-term rental business in one of the world’s largest travel markets. Even with those restrictions, Airbnb is buying permanent real estate in Manhattan. The move implies the company believes the long-term value of having a stable operational hub outweighs the friction of short-term rental regulation. For boards and investors, that is an important signal: regulatory constraints can reshape a business model, but they do not necessarily kill the market.

The larger context is New York’s pressure on wealthy residents and mobile capital. Fortune notes that progressive city policies, proposed taxes on the wealthy, housing affordability fights, and public safety concerns have fueled warnings that companies could choose lower-tax states. In recent years, several high-profile billionaires relocated to Florida, a state with no personal income tax. Jeff Bezos announced in 2023 that he was leaving Seattle for Miami after nearly three decades in Washington. Howard Schultz said earlier this year that he and his wife were moving from Seattle to Florida.

So what does this mean for other executives watching from the sidelines? Anthropic and Airbnb’s expansions do not disprove that policy risk exists. They do something arguably more useful for decision-makers: they show that at least some growth-oriented companies believe New York’s strategic importance is high enough to justify major commitments in office space, hiring, and long-term facilities, even amid political noise. If you are running a company in AI, platforms, or any business that depends on dense customer ecosystems, these moves suggest the question is no longer “Will New York scare companies away?” The question is “Which companies think the city’s access and talent network outweigh the tax and regulatory tradeoffs, and can they operationalize that belief fast enough to scale?”