Cornerstone Group
(The Cornerstone Group)
1358 47th Street Brooklyn, NY 11219
People:
Cornerstone Group NYC portfolio
$28 million -elevator 79%, industrial 10%, mixed-use 9%; Queens 53%, Brooklyn 35%, Bronx 10%*
3030th largest portfolio by dollar value
230,505 sqft – elevator 97%, mixed-use 1%; Queens 51%, Brooklyn 47%
1441th largest by SF
4 properties – Brooklyn 50%, Bronx 25%, Queens 25%
2414th largest
201 residential units – Queens 54%, Brooklyn 45%
1166th largest by residential units
Company Activity past 24 months:
Buyer company: 2 for $17.6 million
Borrower company: 2 for $16 million
Top Ten Associated Companies:
JPMorgan Chase (2)
Top Ten Associated People:
Ursula Flores (1)
Recent activity as company:
• Israel Lawrence Klein sold 5303 13th Avenue, Borough Park, Brooklyn for $2.6 million to Cornerstone Group on June 29, 2026.
• Susan Jane Miller and Robert Miller sold 67-70 Yellowstone Boulevard for $15 million to Cornerstone Group on January 21, 2026.
• Cornerstone Group borrowed $5.5 million from JPMorgan Chase for 1751 67 Street on January 21, 2026.
• Cornerstone Group borrowed $10.5 million from JPMorgan Chase for 67-70 Yellowstone Boulevard on January 21, 2026.
• Jagjit Singh sold 820 East 182 Street for $3 million to Cornerstone Group on May 20, 2021.
Latest Stories:
• Cornerstone Group pays $15M for 109-unit rental in Forest Hills (January 26, 2026)
• Phipps Houses pays $3M to Jagjit Singh for retail in Tremont (June 07, 2021)
Properties: