Nonprofit Graham Windham to Relocate to 10K SF at the Interchurch Center

Nonprofit Graham Windham signed a five-year lease for 9,833 square feet on the 14th floor of the Interchurch Center at 475 Riverside Drive in Manhattan's Morningside Heights neighborhood at $29 per square foot, relocating its headquarters from West 127th Street in August 2026. The century-old organization, which provides foster care, adoption services, therapy and family programs, will join other mission-driven nonprofits and organizations including Bank Street College of Education, Columbia University, and Children's Health Fund at the 600,000-square-foot building.