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343 Madison Avenue · New York YIMBY+
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343 Madison Avenue
343 Madison Avenue
Under construction
343 Madison Avenue · Midtown East
Watch
Type
Other
Units
—
Floors
46
Est. completion
2026
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3D model
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Specifications
Height
844 ft
Total area
930,000 sq ft
Residential
—
Office
930,000 sq ft
Retail
—
Affordable units
—
Hotel rooms
—
Parking
—
Project cost
—
LEED
LEED Platinum
Zoning
—
Last verified
—
Coverage timeline
4 entries
Starr Insurance Companies signs 20-year lease at 343 Madison Avenue
Jan 1, 2026
·
3 fields changed
·
343 Madison Avenue Secures Long Term Tenant In Midtown Ma…
Floors
49
→
46
Office sq ft
750400
→
275000
Total sq ft
950000
→
930000
Excavation underway for 844-foot skyscraper at 343 Madison Avenue
Dec 1, 2025
·
3 fields changed
·
Excavation Underway For 844 Foot Skyscraper At 343 Madiso…
Completion
2026
→
2029
Stage
Proposed
→
Under_construction
Floors
46
→
49
New renderings revealed for 343 Madison Avenue in Midtown East, Manhattan
Nov 26, 2024
·
4 fields changed
·
New Renderings Revealed For 343 Madison Avenue In Midtown…
Floors
49
→
46
Total sq ft
750400
→
950000
Stage
Under_construction
→
Proposed
Developer
Boston Properties
→
BXP
Demolition wraps up for KPF-designed office skyscraper at 343 Madison Avenue
Mar 13, 2023
·
10 fields changed
·
Demolition Wraps Up for KPF-Designed Office Skyscraper at…
Completion
2026
Office sq ft
750400
Total sq ft
750400
Height (ft)
844
Architect
Kohn Pedersen Fox
Developer
Boston Properties
Type
Commercial
Stage
Under_construction
General contractor
Titan Industrial Services
Floors
49
Development team
Boston Properties
developer
BXP
developer
Kohn Pedersen Fox (KPF)
architect
Titan Industrial Services
general contractor