Avi Rosengarten
Law Office of Avi Rosengarten
Services
Law Firm
1707 Avenue M FL 2 Brooklyn, NY 11230
Person Activity past 24 months:
Buyer signatory: 1 for $3.4 million
Seller signatory: 3 for $10.6 million
Borrower signatory: 1 for $49 million
Top Ten Associated Companies:
Louis Wu (1), Xiao Qiu Dai (1), Miriam Lefkowitz (1), Chaim Klein (1), Customers Bank (1), Joel Schwartz (1), Kristy Sung Kim (1), Christopher Sung (1), Anthony Tristani (1)
Top Ten Associated People:
Louis Wu (1), Jason Herzkovits (1), Gregory Fantauzzi (1), Joel Schwartz (1), Kristy Sung Kim (1), Christopher Sung (1), Anthony Tristani (1)
Recent activity as signatory:
• Kristy Sung Kim and Christopher Sung sold 678 Manhattan Avenue for $3.4 million to Marek Kaczor on November 10, 2025.
• Shulem Herman borrowed $49 million from Customers Bank for Brownsville ascend middle school on September 16, 2025.
• Marek Kaczor sold 143 North 9 Street for $3.3 million to Miriam Lefkowitz and Chaim Klein on August 29, 2025.
• Marek Kaczor sold 99 Franklin Street for $3.8 million to Louis Wu and Xiao Qiu Dai on April 01, 2025.
• Marek Kaczor sold 436 Union Avenue for $3.5 million to Joel Schwartz on December 16, 2024.
• Marek Kaczor sold 257 Kingsland Avenue for $2.2 million to Anthony Tristani on June 01, 2023.
• Mendl Neiman sold 219 Spencer Street, Bedford Stuyvesant, Brooklyn for $3 million to The buyer on March 23, 2023.
Latest Stories:
• Marek Kaczor pays $3.4M for mixed-use in Greenpoint (November 21, 2025)
• Shulem Herman signs $49M refi with Customers Bank for school in Brownsville (October 01, 2025)
• Miriam Lefkowitz, Chaim Klein pay $3.3M for walkup in Williamsburg (September 16, 2025)
• Louis Wu, Xiao Qiu Dai pay $3.8M to Marek Kaczor for mixed-use in Greenpoint (April 16, 2025)
• Joel Schwartz pays $3.5M for dev site in Williamsburg (December 26, 2024)