623 11 Avenue
Hell’s Kitchen, Manhattan
Parcel ID (BBL): 1010930036
Owner: Extell Development
Acquired: March 11, 2026, $8.2 million
Built: 1920
Renovated: 1998
SF: 6,000
Dwelling units: 0
No. of buildings: 1
Class: One Story Store Building (K1)
Floors: 1
Transactions:
• Robert Gans sold 623 11th Avenue, Hell’s Kitchen, Manhattan for $8.2 million to Extell Development on March 11, 2026.
Development:
• David Rothstein filed alteration job M01325796 for 6,000 sqft COM building with 0 apartments in Hell’s Kitchen, Manhattan, on December 01, 2025.
• David Rothstein filed alteration job M01312716 for 2,510 sqft building with 0 apartments in Hell’s Kitchen, Manhattan, on November 06, 2025.
• David Rothstein filed alteration job M01313611 for 1 sqft building with 0 apartments in Hell’s Kitchen, Manhattan, on November 05, 2025.
• David Rothstein filed alteration job M01275559 for 6,000 sqft COM building with 0 apartments in Hell’s Kitchen, Manhattan, on November 03, 2025.
• Robert Gans filed alteration job 123554180 for D-2 building in Hell’s Kitchen, Manhattan, on March 08, 2019.
Litigation:
• Austin Schuster Group filed a $21 million lawsuit 158302/2023 against Extell Development on August 21, 2023,seeking a money judgment related to commissionat 623 11 Avenue.
• Robert Gans on September 14, 2022, filed a $200 million bankruptcy 22-11228-mg for 623 11 Avenue that has creditor Extell Development and Princeton Real Estate Partners.
• Robert Gans on June 28, 2022, filed a $27.3 million bankruptcy 22-10888-mg for 623 11 Avenue that has creditor Extell Development and Bluestone Group.
• ROBERT M. GANS, RICHARD GANS and CAREN GANS filed a $100 million lawsuit 651869/2022 against Bluestone Group on April 14, 2022,seeking a money judgment related to loanat 623 11 Avenue.
• Bluestone Group filed a $147.2 million lawsuit 650313/2022 against Mack Real Estate Credit Strategies on January 20, 2022,seeking a judgment related to loanat 623 11 Avenue.
Violations:
According to city public data, the properties have received $2,400 in ECB penalties and $2,400 in OATH penalties in the last year.