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Jason Greenstein

Jason Greenstein

Executive Managing Director, Newmark

Member since August 2022

Volume

Sold

Financed

$52M

Leased

19

Closed

881K sf

Area

About

Jason T. Greenstein joined Newmark in 2001 at the firm’s Manhattan headquarters. As a member of the President of the New York Tri-State Region David A. Falk’s team, Greenstein is focused on providing strategic real estate advisory services to both tenants and owners worldwide. As a broker focusing predominantly on tenant representation, Greenste...

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Member since August 2022

Deals

LEASED

Stash Financial Signs Office Lease At 641 6th Avenue Chelsea With Spear Street Capital

$98/SF

641 6th Avenue, New York, NY

NYCRE
Jason Greenstein
Paul Amrich
Neil King
Sep 2, 2026
LEASED

Havas Health Expands Office Lease At 200 Madison Avenue In Midtown Manhattan By 64,657 Square Feet

200 Madison Avenue, New York, NY

NYCRE
David Falk
Jason Greenstein
Peter Duncan
Aug 27, 2026
LEASED

Cerberus Capital Management Renews 131,000 Square Foot Lease At 875 3rd Avenue In Manhattan

875 3rd Avenue, Caledonia, NY

NYCRE
David Falk
Jason Greenstein
Eric Cagner
Jul 1, 2026
LEASED

LMAX Group Signs 7.5-Year Lease Expanding To 10,847 Square Feet At One World Trade Center

285 Fulton Street, New York, NY

NYCRE
Hal D. Stein
David Falk
Jason Greenstein
Sep 10, 2025
LEASED

Unity Technologies Leases 10,000 Square Feet At 817 Broadway In Manhattan For Full Occupancy

817 Broadway, New York, NY

NYCRE
David Falk
Jason Greenstein
Daniel Levine
Aug 11, 2025
LEASED

Epic Leases 42535 Square Feet Office Space At 148 Lafayette Street From General Catalyst

148 Lafayette Street, New York, NY

NYCRE
David Falk
Jason Greenstein
Daniel Levine
Mar 18, 2025
LEASED

Specialist Staffing Group Leases Office Space At 285 Fulton Street In New York City

$79/SF

285 Fulton Street, New York, NY

NYCRE
Hal D. Stein
David Falk
Jason Greenstein
Mar 17, 2025
LEASED

Shanken Communications Extends Office Lease At 825 Eighth Avenue For 5 Years

825 8th Avenue, New York, NY

NYCRE
David Falk
Jason Greenstein
Scott Rechler
Mar 13, 2025
LEASED

Focus Financial Leases 25000 Square Feet Office Space From Paramount Group In Manhattan

1325 6th Avenue, New York, NY

NYCRE
David Falk
Jason Greenstein
Peter Brindley
Jan 8, 2025
LEASED

Venerable Leases 11,000 SF At 285 Fulton St, Downtown Manhattan

285 Fulton Street, New York, NY

NYCRE
Hal D. Stein
David Falk
Jason Greenstein
May 7, 2024
LEASED

Energy Capital Partners Signs 11-Year Lease At One World Trade Center

285 Fulton Street, New York, NY

NYCRE
Hal D. Stein
David Falk
Jason Greenstein
Nov 8, 2023
LEASED

Garnett Station Partners Leases Office Space At 450 Park Avenue In Midtown Manhattan

$160/SF

450 Park Avenue, New York, NY

NYCRE
David Falk
Jason Greenstein
Howard Tenenbaum
Oct 24, 2023