Total sq ft changed from 750,400 to 950,000
Total sq ft750400→950000Completion2026→2029TypeCommercial→Office
Starr Insurance Companies signs 20-year lease at 343 Madison Avenue
Office sq ft750400→275000Total sq ft950000→930000Floors49→46
Excavation underway for 844-foot skyscraper at 343 Madison Avenue
StageProposed→Under_constructionCompletion2026→2029Floors46→49
New renderings revealed for 343 Madison Avenue in Midtown East, Manhattan
DeveloperBoston Properties→BXPStageUnder_construction→ProposedTotal sq ft750400→950000Floors49→46
New project tracked: 343 Madison Avenue
General contractorTitan Industrial ServicesArchitectKohn Pedersen FoxDeveloperBoston PropertiesTypeCommercialStageUnder_construction
Project description updated
DescriptionPermits have been filed for a 49-stor…→A 49-story commercial skyscraper desi…Office sq ft832613→750400StageProposed→Under_constructionHeight (ft)780
Total square footage decreased from 832,613 to 750,400
Total sq ft832613→750400StageUnder_construction→ProposedTypeOffice→CommercialFloors55
Project description updated
DescriptionA 1,050-foot commercial supertall sky…→Demolition work is ramping up at 343 …Approved2023-11-01Office sq ft748618→832613Retail sq ft2130→5357
Project description updated
Description343 Madison Avenue is a proposed 1,05…→A 1,050-foot commercial supertall sky…Total sq ft753120→754120Floors55→15TypeOffice
Project description updated
Description343 Madison Avenue is a proposed supe…→343 Madison Avenue is a proposed 1,05…Office sq ft832613→748618Retail sq ft5357→2130Total sq ft925630
Project description updated
DescriptionA planned supertall office tower at 3…→343 Madison Avenue is a proposed supe…TypeOffice→Commercial
Project description updated
DescriptionPlans for 343 Madison Avenue in Midto…→A planned supertall office tower at 3…TypeCommercial→OfficeStageUnder_construction→Proposed
New project tracked: 343 Madison Avenue
Completion2026Total sq ft925630Height (ft)1050Floors55TypeCommercialStage