21-24 51 Avenue
Long Island City, Queens
Parcel ID (BBL): 4000690004
Owner: Law Offices Of Stephen Goldstein Registered
Acquired: December 30, 2025, $21.5 million
Debt: December 30, 2025, $13.6 million
Built: 1930
Renovated: 2017
SF: 168,000
Dwelling units: 0
No. of buildings: 1
Class: Office with Comm — 7 to 19 stories (O6)
Floors: 7
Transactions:
• Law Offices of Stephen Goldstein registered borrowed $13.6 million from BankUnited for 21-09 Borden Avenue, Long Island City, Queens on December 30, 2025.
• BrightSpire Capital sold 21-09 Borden Avenue, Long Island City, Queens for $21.5 million to Law Offices of Stephen Goldstein registered on December 30, 2025.
• Related Companies sold 21-09 Borden Avenue, Long Island City, Queens for $63.3 million to BrightSpire Capital on June 30, 2023.
Development:
• Patrick Sweeney filed major alteration job 420658513 for 169,592 sqft B building in Long Island City, Queens, on October 05, 2016.
• Klaus Mortimer filed major alteration job 420012202 for 186,627 sqft S-2 building in Long Island City, Queens, on May 04, 2009.
• Voyo Popovic filed alteration job Q01388683 for 1 sqft A building with 0 apartments in Long Island City, Queens, on April 29, 2026.
• Mia Pisano filed alteration job Q01015494 for building in Long Island City, Queens, on March 11, 2024.
• Mia Pisano filed alteration job Q00994746 for 3,500 sqft 56 building with 0 apartments in Long Island City, Queens, on February 21, 2024.
• Mirza Rastoder filed alteration job Q00707798 for 13,750 sqft B building with 0 apartments in Long Island City, Queens, on May 24, 2022.
• Mirza Rastoder filed alteration job Q00709928 for 13,750 sqft B building with 0 apartments in Long Island City, Queens, on May 24, 2022.
Violations:
According to city public data, the properties have received $8,750 in OATH penalties in the last year.