Adaptive Spaces

This Is How We Do It: The playbook for office-to-residential conversions

March 31, 2026 35 Minute Listen

View of a multi‑story office building with illuminated windows at dusk

Talk to us

How did the largest office-to-residential conversion come about? Brian Steinwurtzel of GFP Real Estate offers an inside look at lower Manhattan’s 25 Water Street, a struggling office tower that was transformed into more than 1,300 apartments. He discusses what this landmark project signals for urban resilience.
View of a multi‑story office building with illuminated windows at dusk

This Is How We Do It: The playbook for office-to-residential conversions

March 31, 2026 35 Minute Listen

This Is How We Do It: The playbook for office-to-residential conversions

Every episode in your inbox

Unique insights on what matters most today in commercial real estate.



Key Takeaways:

  1. The right acquisition price and bold design and amenity choices can turn challenged office assets into world-class residential properties.
  2. Tax incentives can often be the deciding factor in whether a conversion is viable.
  3. Fast execution is essential for controlling risks and costs in today’s market.
  4. Office-to-residential conversions are highly bespoke, where building bones matter more than any rule-of-thumb formula.
  5. Great residential conversions are redefining downtowns, but their future hinges on policy, pricing and how the next market cycle unfolds.


Guests

Photo of Brian R. Steinwurtzel

Brian R. Steinwurtzel

Co-CEO and Principal, GFP Real Estate

Brian Steinwurtzel is co-CEO and Principal of GFP alongside his cousin Eric Gural. Brian oversees all aspects of the company’s new investments, financing, leasing, asset management, development and project management.


Noteworthy recent projects include the repositioning of 4 New York Plaza to 25 Water Street, 222 Broadway, 7 Hanover Square to 100 Pearl Street and 40 Exchange Place in the Financial District; 45-18 Court Square to Innolabs, 10-27 46th Avenue, 11-05 44th Drive, and 43-01 22nd Street in Long Island City; as well as 7 Bushwick Place and 285 North Sixth Street in Brooklyn. Brian led the redevelopment of 100 Crosby/560 Broadway and 1560 Broadway to class A retail and office properties in SOHO and Times Square, respectively, and led the repositioning of The Film Center building in Hell’s Kitchen.


An active member of the community, Brian currently serves on the boards of REBNY, Cooper Union, The Downtown Alliance, and Selfhelp Community Services Inc. Past board roles include Columbia Business School’s Real Estate Advisory Board and Real Estate Circle, the SoHo Broadway Initiative, East Midtown Business Improvement District and the Center for Family Representation.


Brian received his Master of Business Administration degree from Columbia Business School and his Bachelor of Science degree in Business Administration from Washington University.

Host

Photo of Spencer Levy

Spencer Levy

Global Client Strategist

Spencer is the Global Client Strategist and Senior Economic Advisor for CBRE, where he plays a central role on the firm’s “Client Care” team, working daily with its largest investor and occupier clients. He brings more than 30 years of experience as a lawyer, investment banker, and leader in research and capital markets leader, with the last 18 years at CBRE.

Related

Search All Episodes

Search and filter episodes by Industry and Property Type