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AI Tenants Double Their NYC Leasing Activity Year Over Year

AI companies are leasing space in New York City at double the pace of last year, JLL reported. Leasing volume through March 31 already reached half of the full-year 2025 total, and the average lease size has more than doubled from 16,600 to 34,500 square feet.

Although it was superseded by a family office’s lease at 9 W. 57th St. for $327.50 per square foot, Nscale Global Holdings’ signing at One Vanderbilt briefly set a new ceiling for Manhattan office rents at $320 per square foot. “In New York, we’re seeing a concentration of more mature, well-funded AI companies that are beyond the product phase and actively building sales and go-to-market teams,” Benjamin Bass, vice chairman at JLL, told the New York Business Journal

Accordingly, AI tenants in New York are leasing more space than current headcount requires, in anticipation of the hiring they expect to do, reported JLL. “As AI compresses business planning cycles to just 12-24 months, these firms are demanding flexible lease structures with built-in adjustment mechanisms and reconfigurable facilities.”

Pictured: 295 Fifth Ave., where Agentio signed a lease in March.

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JLL's Bass

About Paul Bubny

Paul Bubny serves as Senior Content Director for Connect Commercial Real Estate, a role to which he brings 16-plus years’ experience covering the commercial real estate industry and 30-plus years in business-to-business journalism. In this capacity, he oversees daily operations while also reporting on both local/regional markets and national trends, covering individual transactions across all property types, as well as delving into broader subject matter. He produces 7-10 daily news stories per day and works with the Connect team and clients to develop longer-form content, ranging from Q&As to thought-leadership pieces. Prior to joining Connect, Paul was Managing Editor for both Real Estate Forum and GlobeSt.com at American Lawyer Media, where he oversaw operations at both publications while also producing daily news and feature-length articles. His tenure in B2B publishing stretches back into the print era, and he has served as Editor in Chief on four national trade publications. Since 1999, Paul has volunteered as the newsletter editor of passenger rail advocacy groups (one national, one local).

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