Patricia Dunphy
Senior Vice President
Rockrose Development
Developer, Owner
15 East 26th St 7th floor New York, NY 10010
Rockrose Development NYC portfolio
$4.6 billion -elevator 58%, office 10%, development 10%; Manhattan 40%, Queens 37%, Brooklyn 22%*
39th largest portfolio by dollar value
7,530,505 sqft – elevator 61%, D4 11%, condo 9%; Queens 39%, Manhattan 37%, Brooklyn 22%
45th largest by SF
37 properties – Brooklyn 60%, Queens 23%, Manhattan 15%
256th largest
7,525 residential units – Queens 43%, Manhattan 33%, Brooklyn 22%
29th largest by residential units
0 foreclosures, 0 bankruptcies, 2 other court cases.
Person Activity past 24 months:
Buyer signatory: 3 for $168 million
Developer (new building or major alteration): 15 for 14,113 square feet
Top Ten Associated Companies:
Teamsters Local 807 (3), Heatherwood Luxury Rentals (1), Tony Greenberg (1), Madison Realty Capital (1), Stephen Sun (1), Thomas Sun (1), SUNY Downstate Health Sciences University (1)
Top Ten Associated People:
Demos P. Demopoulos (2), Scott Little (2), Douglas S. Patrick (1), Tony Greenberg (1), Urian Yap (1), Anthony Storz (1), Stephen Sun (1), Thomas Sun (1), Robert Haelen (1)
Recent activity as signatory:
• SUNY Downstate Health Sciences University sold 113 Amity Street for $100 million to Rockrose Development on February 13, 2026.
• Madison Realty Capital sold Long is college hospital n skywy for $65 million to Rockrose Development on August 16, 2024.
• Tony Greenberg sold 193 Joralemon Street for $3 million to Rockrose Development on May 29, 2024.
• Teamsters Local 807 sold 32-38 50 Street for $10.1 million to Rockrose Development on February 01, 2023.
• Teamsters Local 807 sold 32-51 49 Street for $5.1 million to Rockrose Development on February 01, 2023.
• Stephen Sun and Thomas Sun sold 100 Dekalb Avenue for $3.8 million to Rockrose Development on January 31, 2023.
• Teamsters Local 807 sold 49-16 Newtown Road for $6.8 million to Rockrose Development on January 20, 2023.
• Heatherwood Luxury Rentals sold None for $13 million to Rockrose Development on November 18, 2020.
Latest Stories:
• Rockrose pays $100M to SUNY hospital for dev site in Cobble Hill (February 19, 2026)
• Rockrose pays $65M to Madison Realty for dev site in Cobble Hill (September 03, 2024)
• Rockrose pays $3.8M to add small parcel to large Fort Greene dev site (February 13, 2023)
• Rockrose pays $22M to Teamsters for Astoria dev site (February 13, 2023)
• Rockrose pays $13M to Heatherwood for LIC industrial buildings (December 03, 2020)