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346 Madison Avenue Office Tower

Sector: Commercial • Location: New York City, New York, United States

Source: Mori

Project
Planned

346 Madison Avenue is a state-of-the-art 46-story office tower development in Midtown Manhattan, New York City. The skyscraper will stand 293 meters tall on a 1,980 sq. m. site and offer approximately 79,000 sq. m. of rentable office space. The building will feature premium amenities including a fitness center, conference facilities, and a high-quality restaurant along Madison Avenue. The project

Status
Prospective
Sector
Commercial, Residential
Location
New York City, New York, United States of America
Updated
22 Jul 2026
Source
Mori

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Project Information

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The project “346 Madison Avenue Office Tower” is an infrastructure initiative in the Commercial sector, located in New York City, New York, United States. Taiyo aggregates data on it from Mori.

Participants

Not available for this record.

Status

Original status

planned

Taiyo status

Prospective

Taiyo last update

2026-07-22

Contact

Not available for this record.

Description

Description

346 Madison Avenue is a state-of-the-art 46-story office tower development in Midtown Manhattan, New York City. The skyscraper will stand 293 meters tall on a 1,980 sq. m. site and offer approximately 79,000 sq. m. of rentable office space. The building will feature premium amenities including a fitness center, conference facilities, and a high-quality restaurant along Madison Avenue. The project is a joint venture between Mori Building Co., Ltd. and SL Green Realty Corp., with Mori Building holding a 49% stake. The project is expected to be completed in 2031.

Original sector

Built Sector

Location

Country

United States of America (USA)

State

New York

City

New York City

Source

Source

Mori

URL

More Details

Record type

Project

Sector

Commercial, Residential

Article published date

2026-05-31

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