Joseph Aghelian
Real Estate Developer
Park Slope Associates
(PSA Properties)
Owner
79 Water Mill Lane, Great Neck, New York 11021, United States
Park Slope Associates NYC portfolio
$11.7 million -C3 52%, mixed-use 47%; Brooklyn 100%*
4520th largest portfolio by dollar value
14,125 sqft – mixed-use 52%, C3 47%; Brooklyn 100%
5620th largest by SF
4 properties – Brooklyn 100%
2583th largest
16 residential units – Brooklyn 100%
4130th largest by residential units
Person Activity past 24 months:
Buyer signatory: 1 for $3 million
Seller signatory: 1 for $3.9 million
Developer (new building or major alteration): 57 for 16,177 square feet
Top Ten Associated Companies:
Carlyle Group (5), Greenbrook Partners (5), Junior King (1), Cathy Yau (1), Carol Hayden Perowne (1), Daniel Howard (1), Danielle Garver (1)
Top Ten Associated People:
Carter Martin (4), unclear (1), Cathy Yau (1), Carol Hayden Perowne (1), Daniel Howard (1), Danielle Garver (1)
Recent activity as signatory:
• Joseph Aghelian filed plans for major alteration for 4,227 sqft in South Slope, Brooklyn, on June 16, 2026.
• Cathy Yau sold None for $3 million to Park Slope Associates on May 27, 2026.
• Joseph Aghelian sold 47 Madison Street, Bedford Stuyvesant, Brooklyn for $3.9 million to Daniel Howard and Danielle Garver on April 16, 2026.
• Joseph Aghelian filed plans for major alteration for 3,762 sqft in Bedford Stuyvesant, Brooklyn, on March 13, 2026.
• Joseph Aghelian filed plans for major alteration for 3,584 sqft in Bedford Stuyvesant, Brooklyn, on January 28, 2026.
• Joseph Aghelian sold 525 1/2 Quincy Street for $2.1 million to Carlyle Group and Greenbrook Partners on May 12, 2023.
• Joseph Aghelian sold 501 Quincy Street, Bedford Stuyvesant, Brooklyn for $2.1 million to Carol Hayden Perowne on April 11, 2023.
• Joseph Aghelian sold 157 Sterling Street, Prospect Lefferts Gardens, Brooklyn for $2.4 million to Junior King on March 03, 2023.
• Joseph Aghelian sold 231 Cornelia Street for $2.4 million to Carlyle Group and Greenbrook Partners on February 16, 2023.
• Joseph Aghelian sold 1409 Greene Avenue for $2.6 million to Carlyle Group and Greenbrook Partners on October 18, 2022.
Latest Stories:
• Carlyle Group pays $2.1M for 3-family in Bedford Stuyvesant (May 22, 2023)
• Carlyle Group pays $2.4M for 3-family in Bushwick (February 27, 2023)
• Carlyle Group pays $2.6M for 3-unit walkup in Bushwick (October 25, 2022)
• Carlyle Group ups walkup debt to $500M with Invesco for 39 properties in NYC (July 19, 2022)
• Greenbrook, Carlyle Group borrow $65.6M from Invesco for Brooklyn portfolio (April 13, 2021)