Mark Hallum

Mark Hallum covers leasing, sales and everything in between for Commercial Observer with a focus on New York City. In the past, he has covered transportation, politics and crime on the local level.

Mark Hallum @markuusan
A Falconeri store.
Retail · Leases
New York City

Italian Fashion Brand Falconeri to Open UES Store at 764 Madison Avenue

By Mark Hallum
A 'Now Hiring' sign is displayed in a business's window in Manhattan.
Industry · Capital Markets
New York City

Business Sector Hit Hard in January by Layoffs and Tightening Labor Demand

By Mark Hallum
Gateway Development Commission CEO Tom Prendergast (top), President Donald Trump, and workers constructing the Gateway Tunnel.
Infrastructure · Policy
New York City

Gateway Tunnel Work Stops, 1,000 Workers Sent Home as Federal Funds Withheld

By Mark Hallum
Equity Residential President and CEO Mark Parrell.
Residential · Capital Markets
New York City

Economic Conditions Drive Steady Earnings for Equity Residential in Q4 2025

By Mark Hallum
Newmark's William Cohen (top), Savitt Partners' Elliot Zelinger, and 11 East 26th Street.
Office · Leases
New York City

AI Platform Order.co Signs 12K-SF Sublease at 11 East 26th Street

By Mark Hallum
REBNY's Keith Decoster and pedestrians walking past a store in Soho.
Retail · Leases
New York City

SoHo Retail Rents Hit Decade-Long High, Lead Manhattan: Report

By Mark Hallum
466 Broome Street.
Office · Leases
New York City

Tech Firm WorkOS Signs 6K-SF Deal at 466 Broome Street

By Mark Hallum
Jamie Dimon, CEO of J.P. Morgan Chase, and 5 Manhattan West.
Office · Leases
New York City

JP Morgan Chase Expands by 139K SF at Five Manhattan West

By Mark Hallum
GFP Real Estate's Allen Gurevich (from top), Matthew Colavita and Matthew Mandell, and 247 West 37th Street.
Office · Leases
New York City

Heightened Security Signs 4K-SF Lease at 247 West 37th Street

By Mark Hallum
Michael Colacino.
Office · Players
New York City

JLL’s Michael Colacino Resigns Three Weeks After Promotion to CEO

By Mark Hallum
Industry City's Jeff Fein (top), Miss Circle's Isabel Deng, and Industry City in Brooklyn.
Office · Leases
New York City

Fashion Brand Miss Circle Expands to 16K SF at Industry City

By Mark Hallum
Ray Anderson.
Office · Players
New York City

Cresa Hires Ray Anderson to Succeed Tod Lickerman as CEO

By Mark Hallum
Empire State Realty Trust's Thomas Durels and 1400 Broadway.
Office · Leases
New York City

Burlington Stores Expands Offices to 206K SF at 1400 Broadway

By Mark Hallum
Helmsley Spear's Kent Swig (top) and Jim Emden, and 600 Third Avenue.
Office · Leases
New York City

New Zealand Government Renews 12K-SF Lease at 600 Third Avenue

By Mark Hallum
Brookfield Asset Management CEO Bruce Flatt and Brookfield Place.
Industrial · Finance
National

Brookfield to Acquire Industrial REIT Peakstone for $1.2B

By Mark Hallum
Rosewood Realty's Aaron Jungreis (clockwise from top left), Ben Khakshoor, Mike Kerwin and Alex Fuchs, and 68-64 Yellowstone Boulevard, Queens.
Residential · Investments & Sales
New York City

Cedar Park Capital Buys Apartment Building in Forest Hills for $27M

By Mark Hallum
Rockefeller Group's Daniel Moore (top), Atlas Capital Group's Jeffrey Goldberger (center) and Andrew Cohen, and 200 West 97th Street.
Special Purpose · Investments & Sales
New York City

Catholic Church Sells 200 West 97th Street to Housing Developers for $96M

By Mark Hallum