What is the latest status of the project “346 Madison Avenue Office Tower Development”?

The status recorded for “346 Madison Avenue Office Tower Development” is planned.

What is the budget and commercial profile for the project “346 Madison Avenue Office Tower Development”?

Taiyo normalizes the budget of “346 Madison Avenue Office Tower Development” to USD 175000000.

Where can I verify the source and access all details for “346 Madison Avenue Office Tower Development”?

This Taiyo project page references The Real Deal along with the original URL (https://therealdeal.com/new-york/2026/05/27/sl-green-partners-with-mori-building-on-346-madison-avenue/). Taiyo standardizes official data into a consistent, searchable project profile.

346 Madison Avenue Office Tower Development

Sector: Commercial • Location: New York, United States

Source: The Real Deal

Project

Planned

SL Green has partnered with Mori Building to develop an 850,000-square-foot, 46-story all-electric office tower at 346 Madison Avenue, New York. The building will feature column-free floorplates, nine terrace floors, and a two-floor amenity space including a 215-seat auditorium and a tenant lounge with an épicerie run by celebrity chef Daniel Boulud. SL Green sold a 49% stake in the project to Mor

Status: Prospective
Sector: Commercial, Residential
Location: New York, United States of America
Updated: 22 Jul 2026
Source: The Real Deal

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Project Information

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

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	SL Green has partnered with Mori Building to develop an 850,000-square-foot, 46-story all-electric office tower at 346 Madison Avenue, New York. The building will feature column-free floorplates, nine terrace floors, and a two-floor amenity space including a 215-seat auditorium and a tenant lounge with an épicerie run by celebrity chef Daniel Boulud. SL Green sold a 49% stake in the project to Mori Building, valuing the property at $175 million.
Original sector	Commercial
Budget

Location

Country	United States of America (USA)
State	New York
City	New York

Source

Source	The Real Deal
URL

More Details

Record type	Project
Sector	Commercial, Residential
Article published date	2026-05-30

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