# FullStack Modular

> FullStack Modular designs, manufactures, and assembles steel-framed volumetric buildings for developers, universities, hotel groups, and public agencies. Its differentiator is not simply prefabrication: it combines a proprietary chassis, parametric design, factory-built subassemblies, onsite stacking, and a post-construction digital twin in one Design/Manufacture/Construct process.

- **Founded:** 2016
- **Headquarters:** Hamden, United States
- **Founders:** Roger Krulak (Founder and President)
- **Products:** Design/Manufacture/Construct delivery, Proprietary steel chassis and module system, Parametric design layout tool, Factory manufacturing, Transport and onsite stacking
- **Notable:** Its predecessor team manufactured the modules for 461 Dean, a 32-story, 363-unit Brooklyn tower that was the world's tallest modular building when completed., 461 Dean achieved LEED Silver certification and is listed by FullStack as fully occupied., Opened a 130,000-square-foot West Coast manufacturing facility in Carson, California, in 2024.

## Products & services

- **Design/Manufacture/Construct delivery** — An integrated project method that brings design, factory production, and onsite assembly into one overlapping workflow.
- **Proprietary steel chassis and module system** — An all-steel volumetric system using prefabricated chassis, repeatable structural and MEP subassemblies, and mechanical site connections.
- **Parametric design layout tool** — A web application for testing footprints and configuring studios through three-bedroom plans from standard module types.
- **Factory manufacturing** — Assembly of chassis, kitchens, bathrooms, facades, MEP systems, drywall, and finishes in a controlled factory; the company states normal capacity of 10 to 15 modules per week.
- **Transport and onsite stacking** — Waterproofed modules are transported by flatbed, lifted by crane, mechanically connected, and finished at the matelines.
- **Digital twin and building performance services** — Project data is carried into a connected operational model intended to monitor energy use and maintenance after occupancy.

## Achievements

- Its predecessor team manufactured the modules for 461 Dean, a 32-story, 363-unit Brooklyn tower that was the world's tallest modular building when completed.
- 461 Dean achieved LEED Silver certification and is listed by FullStack as fully occupied.
- Opened a 130,000-square-foot West Coast manufacturing facility in Carson, California, in 2024.
- Selected for Cal Poly San Luis Obispo's planned 4,200-bed modular student-housing program, described as the largest of its kind in the United States.
- Manufactured the modular portion of the first U.S. Treehouse Hotel, which opened in Sunnyvale in 2025.

## Latest updates

- **2026-04** — Cal Poly named Suffolk to manage its broader $1.2 billion housing program while FullStack continued as the modular manufacturer for new housing components.
- **2025-05** — Treehouse Hotel Silicon Valley, Starwood's first U.S. Treehouse property, opened in Sunnyvale.
- **2025-04** — Reporting on Cal Poly's $1.2 billion housing development said FullStack's Carson factory was preparing to produce 10 to 15 modules per week for the campus.
- **2025-02** — FullStack and Cal Poly publicly detailed the planned 4,200-bed, nine-building student-housing program.
- **2025-01** — The company announced operations at its leased 130,000-square-foot Carson manufacturing facility.

## Links

- Website: https://www.fullstackmodular.com/
- LinkedIn: https://www.linkedin.com/company/fullstackmodular
- Twitter/X: https://twitter.com/fullstackmod
- YouTube: https://www.youtube.com/watch?v=9DcIrrBdxuQ
- Instagram: https://www.instagram.com/fullstackmodular/

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Profile page: https://yespress.io/fullstack-modular
Published by YesPress — https://yespress.io
Last updated: 2026-09-26