Isaac S. Jemal
(Isaac Jemal)
President
ISJ Management
(JJ Operating)
110 West 34th Street, 9th Floor New York, NY 10001
ISJ Management NYC portfolio
$504.8 million -retail 73%, office 16%, mixed-use 8%; Manhattan 42%, Bronx 37%, Brooklyn 12%*
448th largest portfolio by dollar value
984,619 sqft – retail 37%, office 36%, mixed-use 25%; Bronx 56%, Brooklyn 33%, Manhattan 9%
495th largest by SF
19 properties – Bronx 42%, Manhattan 31%, Queens 15%
550th largest
1 foreclosure, 0 bankruptcies, 0 other court cases.
Person Activity past 24 months:
Seller signatory: 2 for $6 million
Top Ten Associated Companies:
Kanstantsin Skirukha (1), Apple Bank for Savings (1), Raimondo Zaytoune (1), Capital One (1)
Top Ten Associated People:
Kanstantsin Skirukha (1), Cynthia Wang (1), Raimondo Zaytoune (1)
Recent activity as signatory:
• JJ Operating, Joseph J. Jemal, ISJ Management and Parkway Management sold 849 Manhattan Avenue for $2.4 million to Kanstantsin Skirukha on July 08, 2026.
• ISJ Management and JJ Operating sold None for $3.6 million to Raimondo Zaytoune on April 27, 2026.
• Jem Realty Management and ISJ Management borrowed $18.7 million from Apple Bank for Savings for 1 East Fordham Road on October 10, 2023.
• ISJ Management borrowed $10.3 million from Capital One for 20 East Fordham Road on January 12, 2021.
Latest Stories:
• Raimondo Zaytoune pays $3.6M to Jemal family for retail in Sheepshead Bay (June 10, 2026)
• Blackstone files $25M pre-foreclosure at FiDi high rise dev site (October 07, 2024)
• Jemstone Group signs $10M refi with Capital One for retail in Fordham Heights (January 28, 2022)
• Ralph Braha refi Tribeca office property with $25M from Signature Bank (January 28, 2021)
• Jemal family’s ISJ Management refi Fordham retail with $10.3M from Capital One (January 28, 2021)