Prepared by Richard Plehn
Welcome to the Weekly Real Estate Newsletter — December 15th Edition, as we move further into the final month of 2025!
This week, we’re covering the latest developments across New York City’s commercial real estate market — including notable lease transactions, investment activity, construction progress, and the trends continuing to shape tenant demand as the year nears its close.
Plus, a new clip from Richard’s interview with Matt Ryder is now live on The Real Estate Rundown YouTube channel. In this segment, Matt dives deeper into workplace strategy and the data-driven decisions companies are making when relocating or redesigning their office footprint.
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The Real Deal
Commercial Real Estate’s Hopes and Fears Under Mamdani – TRD
Rockwood Capital Finds Buyer for Midtown Office Tower – TRD
SL Green Buys Out 800 Third Avenue Partner – TRD
Storied Luxury Real Estate Agent Sharon Baum Is Dead at 85 – TRD
Eyal Ofer’s Global Holdings Signs 99 Park Avenue Lease – TRD
New York Top Real Estate Deals: Monday, Dec. 8, 2025 – TRD
New York City’s Top Office Leases in November 2025 – TRD
“Friends” Building Trades For $33M – TRD
New York Top Real Estate Deals: Tuesday, Dec. 9, 2025 – TRD
The Most Active New York City Architects in 2025 – TRD
David Werner Buying One Dag Hammarskjöld From Rockpoint – TRD
RXR Pursues Micro Conversion at 61 Broadway – TRD
JPMorgan’s Midtown Reshuffle Keeps Office Market Guessing – TRD
The Commercial Observer
Expanding Monday: Work Platform Takes More Space in Gramercy Park – Commercial Observer
Law Firm Slarskey Relocates to 12K-SF Office at Durst’s 825 Third Avenue – Commercial Observer
JP Morgan Expands to 497K SF at 390 Madison After 270 Park Opening – Commercial Observer
Bjarke Ingels Group Renews 50K-SF Lease at 45 Main Street – Commercial Observer
AI Platform SceniX Inks 6K-SF Deal at 80 Eighth Avenue – Commercial Observer
Vornado Brings Two New Office Tenants to 1290 Sixth Avenue – Commercial Observer
Law Firm Wolf Popper Signs 13K-SF Lease at 570 Lexington Avenue – Commercial Observer
New York City’s Top Office Leases of 2025 – Commercial Observer
AI Marketing Firm Mega Inks 4K-SF Lease at The Refinery at Domino – Commercial Observer
HITT Inks 27K-SF Lease at Vanbarton’s 31 Penn – Commercial Observer
Crain´s New York
Top New York landlord extends olive branch after opposing Mamdani’s election | Crain’s New York Business
NYC to get 12,000 new apartments from old office buildings | Crain’s New York Business
Manhattan office rents reach $300 per square foot | Crain’s New York Business
Oxford University Press sells Midtown offices for $40M | Crain’s New York Business
Manhattan’s Financial District transforms from fleeing tenants to thriving offices | Crain’s New York Business
Bisnow
Hochul Tells Investors To Buy SL Green Amid Dimmer Outlook For 2026 – Bisnow
Universities Seek NYC Real Estate In Effort To Keep Their Relevance – Bisnow
New clip at The Real Estate Rundown with Richard Plehn
New York YIMBY
Demolition Wraps Up for 538-Foot Skyscraper at 5 West 13th Street in Greenwich Village, Manhattan – New York YIMBY
Work Continues on RAMSA’s 255 East 77th Street on Manhattan’s Upper East Side – New York YIMBY
Excavation Continues for KPF-Designed Skyscraper at 570 Fifth Avenue in Midtown, Manhattan – New York YIMBY
Renderings Revealed For La Ostra Mixed-Use Development
RIU Hotel Skyscraper Begins Ascent At 1710 Broadway in Midtown, Manhattan – New York YIMBY
New York Business Journal
JPMorgan Chase adds office space near new $4B headquarters – New York Business Journal
RXR plans residential conversion at 61 Broadway in Lower Manhattan – New York Business Journal
Oxford University Press sells Manhattan office space – New York Business Journal
AmTrustRE buys 260 Madison Ave. office tower for $211M – New York Business Journal
New York Post
New leases signed at NYC downtown and DUMBO, reflecting uptick | New York Post
Architect Frank Gehry dead at age 96 | New York Post
Vornado’s Midtown tower more than 90% leased after signing new tenants | New York Post
Wall Street Journal
A Real-Estate Tycoon’s San Diego Exit Is Turning the City Upside Down – WSJ
Keppel REIT to Boost Stake in Singapore Office Tower in Over $700 Million Deal – WSJ
