SL Green Announces Acquisition of Park Avenue Tower
NEW YORK, Oct. 15, 2025 (GLOBE NEWSWIRE) -- SL Green Realty Corp. (NYSE:SLG), Manhattan’s largest office landlord, today announced that it has entered into a contract to acquire Park Avenue Tower, located at 65 East 55th Street, for $730.0 million. The transaction is expected to close in the first quarter of 2026, subject to customary closing conditions.
“This acquisition will deliver sustainable cash flow and provide long-term value creation while further solidifying our commitment to being the leading owner of premier properties along Park Avenue at a time when demand has never been higher,” said Harrison Sitomer, Chief Investment Officer at SL Green. “Park Avenue Tower is strategically located and well-leased at below-market rents, offering significant upside as vacancy in the Park Avenue corridor continues to trend below 6 percent. We are excited to add another exceptional property to our Park Avenue portfolio that includes One Vanderbilt Avenue, 500 Park Avenue, 450 Park Avenue, 280 Park Avenue, 245 Park Avenue, 125 Park Avenue and 100 Park Avenue.”
Located block-through between 55th and 56th Streets, Park Avenue Tower is a 36-story, 621,824 square foot, Class A office building designed by internationally acclaimed architect Helmut Jahn. Completed in 1986, it is one of the most modern assets in the submarket, with upgraded infrastructure and newly renovated interiors that, together with its distinctive architectural design, solidify its reputation as one of the most desirable addresses on Park Avenue.
Recent enhancements to Park Avenue Tower include a reimagined plaza by MdeAS Architects, high-end prebuilt office suites by Gensler, a world class lobby and well-appointed amenities by Gonzalez Architects. These upgrades elevate the building’s arrival experience and deliver a flexible, modern tenant environment, positioning the property as a top choice for leading financial institutions and hedge funds.
Gary Phillips and Will Silverman of Eastdil Secured represented the seller in the transaction.
About SL Green Realty Corp.
SL Green Realty Corp., Manhattan's largest office landlord, is a fully integrated real estate investment trust, or REIT, that is focused primarily on acquiring, managing and maximizing the value of Manhattan commercial properties. As of September 30, 2025, SL Green held interests in 53 buildings totaling 30.7 million square feet. This included ownership interests in 27.1 million square feet of Manhattan buildings and 2.7 million square feet securing debt and preferred equity investments.
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