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SL Green Refinances Fully Leased One Madison Ave. for $1.7B

SL Green Realty Corp. has refinanced One Madison Ave., its redeveloped and now fully leased 1.37-million-square-foot Midtown South office tower, for approximately $1.65 billion, according to Crain’s New York Business and Fitch Ratings. It’s the largest Manhattan office refi thus far in 2026, a year that has already seen a number of nine-figure financing deals completed in Midtown and Downtown Manhattan.

Mortgage loan proceeds will be used to refinance $1.18 billion of existing debt, fund $136 million of upfront reserves related to ongoing landlord obligations and free rent, fund $11.1 million of ICAP reserve, return $307.9 million of equity and pay $15 million in closing costs, Fitch said. The sponsor is a joint venture of SL Green, National Pension Service of Korea, Mastern Investment Management and Hines Interests Limited Partnership. 

The loan is expected to be co-originated by Wells Fargo, Goldman Sachs, JPMorgan Chase, Bank of America and German American Capital Corporation. Trimont LLC will serve as the master servicer, and Argentic Services Company LP will serve as the special servicer.

Read More News Stories About: SL Green Realty Corp
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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).

  • ◦Financing