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
Herbwell's dispensary on Madison Avenue.
Retail · Leases
New York City

With New York Cannabis Stores, Does Calling It ‘Luxury’ Help in Leasing?

By Mark Hallum
MTA Chair and CEO Janno Lieber and a station along the Second Avenue Q line.
Residential · Development
New York City

MTA Applies for Zoning Change to Build 684 Homes Near Second Avenue Subway

By Mark Hallum
Jeffrey Beers, David Childs, Larry Gluck, Brandon Miller, Morton Olshan, Marshall Rose, and Earle Altman.
Office
New York City

Notable Commercial Real Estate Figures Who Died in 2024 and Early 2025

By Mark Hallum
David Simon, CEO of Simon Property Group, and a shopper browses inside one of Simon Property Group's malls.
Retail · Capital Markets
National

Mall Giant Simon Property Group Sweats Tariff Impacts as Revenue Climbs

By Mark Hallum
Greg Kraut, CEO of KPG Funds, and 480 Broadway.
Retail · Leases
New York City

Los Angeles Apparel Signs 25K-SF Lease at SoHo’s 480 Broadway

By Mark Hallum
Nicholas Haines, CEO at Bromley Companies, and 122 Fifth Avenue.
Office · Leases
New York City

Fintech Firm Chime Signs 84K-SF Lease at 122 Fifth Avenue

By Mark Hallum
Morris Bailey of JEMB Realty, Joseph Sipala of JLL, and 150 Broadway.
Office · Leases
New York City

Roger Partners, Muse Management and UAP Sign Deals at 150 Broadway

By Mark Hallum
People wait in line at a job fair in Sunrise, Fla.
Retail · Policy
National

U.S. Saw Tepid Job Growth in April Following ‘Liberation Day’

By Mark Hallum
AmTrust RE President Jonathan Bennett and 250 Broadway.
Office · Leases
New York City

Law Firm Rose & Rose Signs 14K-SF Lease at 250 Broadway

By Mark Hallum
Paramount Group CEO Albert Behler.
Office · Capital Markets
New York City

Leasing Uptick Can’t Save Paramount From Q1 Net Loss

By Mark Hallum
KKR co-CEO Scott Nuttall.
Industry · Capital Markets
National

KKR Already Hedged Against Market Uncertainty as Tariff War Continues

By Mark Hallum
JLL's Andrew Coe and Margaux Kelleher, and 107 Greenwich Street.
Office · Leases
New York City

Swap Commerce Signs 6K-SF Lease at 107 Greenwich Street

By Mark Hallum
Kenneth F. Bernstein, president and CEO of Acadia Realty Trust.
Retail · Capital Markets
New York City

Acadia Realty Trust Braces for Retail Distress From Tariffs, Remains Opportunistic

By Mark Hallum
JLL's Frank Doyle, David Kleiner and Andrew Coe, and 31 West 52nd Street.
Office · Leases
New York City

Mudrick Capital Signs 27K-SF Lease at Paramount’s 31 West 52nd Street

By Mark Hallum
Welltower CEO Shankh Mitra and the Welltower pit on the NYSE floor.
Residential · Capital Markets
National

Welltower Sees Income Boost in Q1 With Major Acquisition Pending

By Mark Hallum
Mayor Eric Adams.
Residential · Policy
New York City

Adams’s Budget Proposal Boosts Funding to Build More Supportive Housing

By Mark Hallum
Max Koeppel, Director of Leasing, Koeppel Rosen, and 443 Park Avenue South.
Office · Leases
New York City

LMI, Joe Coffee and David Smotrich Staying Put at 443 Park Avenue South

By Mark Hallum