Hershy Silberstein
(Hershey Silberstein, Hershy M. Silberstein)
Ceo
Blue Sky Builders
(Blue Sky Developers, Blue Shine Builders)
Architect
Owner|Developer
365 Flushing Ave. Brooklyn, NY 11205
670 Myrtle Avenue, Suit 6367 Brooklyn NY 11205
Blue Sky Builders NYC portfolio
$411.6 million -industrial 49%, D1 17%, mixed-use 8%; Brooklyn 45%, Bronx 42%, Queens 9%*
590th largest portfolio by dollar value
116,573 sqft – industrial 58%, mixed-use 17%, retail 7%; Bronx 57%, Brooklyn 42%
2271th largest by SF
29 properties – Bronx 58%, Brooklyn 34%, Manhattan 3%
385th largest
607 residential units – Bronx 67%, Brooklyn 28%, Manhattan 4%
565th largest by residential units
0 foreclosures, 0 bankruptcies, 2 other court cases.
Other Links:
https://blueskybuilder.net/about/
https://iapps.courts.state.ny.us/nyscef/ViewDocument?docIndex=cLnzt4KiR1f6fKga1Ip_PLUS_ew==
Notes
Hershel Silberstein is not the same person as Hershy Silberstein.
Person Activity past 24 months:
Buyer signatory: 4 for $41.3 million
Seller signatory: 1 for $3.5 million
Borrower signatory: 16 for $338.7 million
Developer (new building or major alteration): 50 for 500,518 square feet
Top Ten Associated Companies:
S3 Capital (6), Popular Bank (4), IceCap Group (4), Valley National Bank (2), Parke Bank (2), Pasquale Iannella (1), Heidi Zielinski (1), Charlotte Kuey (1), Slate Property Group (1), Alexandra Levy (1)
Top Ten Associated People:
Terence J. McArdle (2), Renee L. D’Orazio (2), Joshua Crane (2), Travis Schelhorn (2), Robert Schwartz (2), Jack Oved (2), Pasquale Iannella (1), Heidi Zlielinski (1), Charlotte Kuey (1), Martin Nussbaum (1)
Recent activity as signatory:
• Semyon Vays and Svetlana Vays sold None for $11 million to Blue Sky Builders on July 08, 2026.
• Blue Sky Builders borrowed $8.5 million from Mizrahi-Tefahot Bank for 69 Hope Street on July 08, 2026.
• Blue Sky Builders borrowed $7 million from Popular Bank for None on July 08, 2026.
• Hershy Silberstein filed plans for new building for 33,167 sqft in Wakefield, Bronx, on June 22, 2026.
• Blue Sky Builders borrowed $102 million from S3 Capital for 311 West 43rd St, 311 West 43rd Street, and 311 West 43rd Street, Hell’s Kitchen, Manhattan on June 18, 2026.
• Hershy Silberstein filed plans for new building for 81,582 sqft in Gowanus, Brooklyn, on May 21, 2026.
• Blue Sky Builders borrowed $24 million from Bank Hapoalim for None on May 13, 2026.
• Hershy M. Silberstein borrowed $28.2 million from Popular Bank for 215 Fernside Place, Far Rockaway, Queens on February 27, 2026.
• Mendel Gold sold 729 Meeker Avenue for $3 million to Hershy Silberstein on February 26, 2026.
• Blue Sky Builders borrowed $43 million from Popular Bank for 224 3 Avenue on January 28, 2026.
Latest Stories:
• David Goldberger signs $24.3M refi with Popular Bank for 68-unit rental in Jamaica (July 09, 2026)
• David Werner pays $42M to DivcoWest for office in Hell’s Kitchen (June 30, 2026)
• Blue Sky Builders files plans for 85 units in Gowanus (June 02, 2026)
• Hershy Silberstein pays $3M for mixed-use in Greenpoint, through bankruptcy (April 28, 2026)
• Blue Sky Builders signs $43M construction loan for 82-unit project in Gowanus (February 10, 2026)
• Blue Sky Builders signs $34M refi for new 100-unit building in East Morrisania (July 14, 2025)
• Hershy Silberstein pays $10.8M for dev site in Bedford Stuyvesant (June 27, 2025)
Court Records: