birddog

405-417 Park Ave

Block-long development site acquired for potential office or mixed-use redevelopment.

At a glance

What we’ve tracked on this project so far — sourced from planning board agendas, permits, and announcements.

  • Planning
  • New construction
  • Office
  • New York–Newark metro
  • 700,000 SF
  • Last updated 9 days ago · May 26, 2026 · 11:07 AM

Companies involved in this project

broker

Newmark

broker

CBRE

developer

Extell Development

other

Fried Frank

other

Central Synagogue

owner

Corem Property

owner

DWS

owner

Parkoff Organization

Project updates

More office projects in New York

4 projects, last updated 4 days ago.

Planning
$41M office development in New York, New York, developed by Extell Development.
  • New York, New York
  • $41M
  • Office · New construction
  • Extell Development · developer + 2 more
Updated May 31, 2026 · 6:38 AM
Completed
30K SF, $5M office development at 629 Parsippany Road in Parsippany, New Jersey.
  • 629 Parsippany Road, Parsippany, New Jersey
  • $5M · 29,500 SF
  • Office · New construction
  • Newmark Associates CRE · broker
Updated May 30, 2026 · 6:50 AM
Completed
8K SF office development at 1261 Broadway in New York, New York, owned by Rosen Equities.
  • 1261 Broadway, New York, New York
  • 7,772 SF
  • Office · New construction
  • Rosen Equities · owner + 8 more
Updated May 28, 2026 · 8:02 AM
Planning
850K SF, $175M office development at 346 Madison Avenue in New York, New York, developed by SL Green Realty.
  • 346 Madison Avenue, New York, New York
  • $175M · 850,000 SF
  • Office · New construction
  • SL Green Realty · developer + 3 more
Updated May 28, 2026 · 8:01 AM

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