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FullStack Modular is merging offsite volumetric modular construction with new technologies to bring an unprecedented level of control, predictability, and scalability to multifamily development. FullStack Modular (FSM) began its life as F.C. Modular, the company responsible for the construction of the world’s tallest volumetric modular building, 461 Dean Street in Brooklyn, NY. In Forest City’s 2016 transition to becoming a REIT, Forest City SVP Roger Krulak founded FullStack Modular which purchased F.C. Modular’s IP, its Brooklyn Navy Yard facility and equipment. The new company benefits from the learnings of 461 Dean and a team—many of whom worked with FC Modular and SHoP Architecture—with decades technological construction, architecture, design, and development experience. FSM is now leading a technological renaissance in the construction industry—an industry with one of the lowest rates of technological adoption of all major industries, which devotes less than 1% of revenue to R&D, and which hasn’t seen productivity gains in decades. Through the use building information modeling, proprietary technology, offsite construction, and in-house supply chain management, FSM takes a fully integrated approach to design, manufacturing, and construction. The result is a simplified development process with cost savings up to 15% and time savings of 25-50% versus conventional site-built construction. FSM is one of America’s only steel-framed modular builders and is capable of building modular buildings from seven to 45 stories. Focusing on multi-story, multifamily residential, hospitality, dormitories, and hospital rooms, FSM serves cities all along the eastern seaboard. If you’d like to know more contact info@fullstackmodular.com.

FullStack Modular Questions

The FullStack Modular annual revenue was $5.6 million in 2026.

Mike Ibarra is the Senior Vice President, Strategic Partnerships of FullStack Modular.

13 people are employed at FullStack Modular.

FullStack Modular is based in Brooklyn, New York.

The NAICS codes for FullStack Modular are [321, 32, 3219].

The SIC codes for FullStack Modular are [245, 24].

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