Last mentioned: Mar 10, 2026
Q1 Projection
SL Green expects to surpass 900,000 sq ft in total leasing for the quarter.
One Madison Fully Leased
Harvey AI expansion secures the final remaining office space at One Madison Avenue.
832K Milestone
Company reaches 832,135 sq ft of signed leases within the first 65 days of the year.
Q1 Leasing Commences
SL Green begins its most active first quarter in company history.
Harvey AI has secured a 92,663-square-foot expansion at One Madison Avenue, bringing the flagship SL Green property to 100% occupancy. This deal anchors a record-breaking first quarter for SL Green, signaling a robust physical expansion of the AI sector in New York City despite broader remote-work trends.
SL Green Realty Corp. has fully leased One Madison Avenue following a major expansion by Harvey AI, positioning the firm for its strongest first quarter in nearly three decades. The milestone underscores a 'flight to quality' in Manhattan's office market, defying narratives of AI-driven workforce contraction.
SL Green Realty Corp. has reached full occupancy at its One Madison Avenue development following a 92,663-square-foot expansion by Harvey AI. The firm is now on track for its strongest first-quarter leasing performance in its 28-year history, signaling a robust recovery for high-end Manhattan office space.