Memorial Sloan Kettering Leases Entire 333 E. 61st St. Building

Architectural rendering of 323 E. 61st St., which has the alternate address of 333 E. 61st St.

NEW YORK CITY—Memorial Sloan Kettering has leased 100% of the 75,000 square-foot space at 333 E. 61st St., which also has the address of 323 E. 61st St. The new six-story medical office building is located between First and Second avenues on Manhattan’s Upper East Side. The cancer center and research institution agreed to the deal with the property owners, LaSalle Investment Management and William Macklowe Company.

According to sources familiar with the transaction, the tenant signed a 30-year lease at an asking rent of approximately $70 per square foot. The Macklowe Company and LaSalle were represented by Bill Hartman of Cushman & Wakefield. Memorial Sloan Kettering was represented jointly by Mark Weiss of Cushman & Wakefield, and Neil Goldmacher and Howard Kesseler of Newmark Knight Frank.