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Business| 5/28/2026, 3:44:00 PM

Mori Building Makes Strategic Investment in SL Green's Midtown Manhattan Trophy Office Tower

Mori Building Makes Strategic Investment in SL Green's Midtown Manhattan Trophy Office Tower

In a significant move that underscores the deepening interest of Japanese investors in the US commercial real estate (CRE) market, Mori Building Co., a renowned Tokyo-based urban landscape developer, has acquired a 49% stake in 346 Madison Ave., a prime property in Midtown Manhattan. This strategic investment marks Mori Building's first foray into New York City's vibrant real estate scene, where it will partner with SL Green, the city's largest office landlord, to develop a trophy office tower.

The deal, which values the asset at $175 million, comes at a time when top-quality office space, especially around Grand Central Terminal, is becoming increasingly scarce. This partnership between SL Green and Mori Building Co. is poised to capitalize on the growing demand for premium office space in Manhattan, leveraging the expertise and networks of both parties to create a truly iconic development. SL Green will act as the development and leasing manager for the project, bringing its vast experience in shaping Manhattan's urban landscape to the table.

The planned development at 346 Madison Ave. involves tearing down the existing buildings to make way for a new, state-of-the-art office tower. This project is emblematic of the ongoing transformation of Midtown Manhattan, an area that continues to attract significant investment from both domestic and international players. The involvement of Mori Building Co. not only reflects the growing appetite of Japanese investors for US real estate assets but also highlights the appeal of New York City as a global hub for business and investment.

Japanese investors have been increasingly active in the US CRE market in recent years, drawn by the stability and potential for long-term growth that US real estate offers. This trend is expected to continue, with many Japanese companies looking to diversify their investment portfolios and expand their global footprint. The partnership between Mori Building Co. and SL Green serves as a prime example of this cross-border investment activity, demonstrating the potential for collaborative and mutually beneficial relationships between US and Japanese real estate companies.

The development of the trophy office tower at 346 Madison Ave. is anticipated to contribute to the ongoing revitalization of Midtown Manhattan, offering a new standard of office space that meets the evolving needs of modern businesses. With its prime location, cutting-edge design, and commitment to quality, this project is poised to become a landmark in the Manhattan skyline, attracting top-tier tenants and further solidifying the area's reputation as a premier business district.

As the US CRE market continues to evolve, collaborations like the one between SL Green and Mori Building Co. will play a crucial role in shaping the future of urban landscapes. By combining their expertise and resources, these partners are not only creating exceptional real estate assets but also fostering a new era of international cooperation and investment in the sector. This development at 346 Madison Ave. serves as a testament to the enduring appeal of New York City as a destination for global investment and a hub for innovative and impactful real estate projects.

Summary Points

01

Mori Building Co. has acquired a 49% stake in 346 Madison Ave., marking its first development project in New York City.

02

The partnership with SL Green will develop a trophy office tower in Midtown Manhattan, valued at $175 million.

03

The project involves tearing down existing buildings to construct a new, state-of-the-art office tower, capitalizing on the growing demand for premium office space.

04

Japanese investors are increasingly active in the US CRE market, drawn by the stability and potential for long-term growth that US real estate offers.

05

The development at 346 Madison Ave. will contribute to the revitalization of Midtown Manhattan, offering a new standard of office space and further solidifying the area's reputation as a premier business district.