Office Rent Record Broken at 625 Madison Avenue
A new 15-year lease has pushed annual office costs to record highs in Manhattan for a 53,000-square-foot space.
Updated on Oct. 2, 2026 in Commercial
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Castle Hook Partners has signed a record-breaking lease at 625 Madison Avenue, committing to a 15-year term for penthouse office space. The annual rent for the 53,000-square-foot site is reaching as much as $21.2 million.
Why it matters
Financial firms are increasingly securing premium office environments equipped with high-end amenities to draw employees back to in-person work. This shift highlights the intense competition for top-tier space in New York City's financial sector.
The new agreement covers 53,000 square feet at a record price of $350 to $400 per square foot annually. This surpasses the prior market benchmark of $327.50 per square foot for office space.
The players
Castle Hook Partners
A financial firm managing $11 billion in assets that is relocating its headquarters from the General Motors Building.
Related Companies
A major real estate developer known for transforming high-profile sites into modern office and residential spaces.
The details
Related Companies successfully repurposed the site, originally intended for a luxury residential high-rise, into an office tower to meet demand for modern professional space. Castle Hook Partners, which currently operates from the General Motors Building, will relocate its 35-person team in the second half of 2029. The building is currently projected to reach 67 percent occupancy by the end of 2026.
Timeline
2024: Related Companies purchased the site from SL Green.
August 2026: Macro hedge fund performance was measured through this date.
October 2026: The lease agreement was finalized.
Second half of 2029: Castle Hook Partners will move into the new office space.
The Home Front
This record lease signals a shift back toward demand for premium office space in Manhattan's commercial corridor. It follows the high-profile opening of the JPMorgan Chase headquarters and reflects a departure from the recent trend of repurposing office towers into residential units.
Local property owners should note that high demand for premium office space near major landmarks like Central Park can influence surrounding commercial real estate valuations. Keep an eye on regional tax assessments if you own neighboring business properties, as record-setting rents often impact local market benchmarks.
The takeaway
The competition for talent in financial services continues to drive record-breaking investment in luxury office environments. Property investors should monitor occupancy trends at 625 Madison Avenue as it tracks toward a projected 67 percent occupancy by year-end.
Further reading
Learn more about the latest developments in the local market at Commercial.
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