Shia Unsdorfer
Owner
11 Lawrence Ave Brooklyn, NY 11230
Shia Unsdorfer NYC portfolio
$64.3 million -office 47%, A9 40%, elevator 11%; Brooklyn 100%*
1943th largest portfolio by dollar value
26,256 sqft – office 47%, elevator 47%, A9 5%; Brooklyn 100%
4512th largest by SF
3 properties – Brooklyn 100%
2793th largest
19 residential units – Brooklyn 100%
3880th largest by residential units
Person Activity past 24 months:
Borrower signatory: 2 for $42.6 million
Developer (new building or major alteration): 33 for 127,428 square feet
Top Ten Associated Companies:
S3 Capital (2), Ponce Bank (2)
Top Ten Associated People:
Carlos P. Naudon (2), Joshua Crane (1)
Recent activity as signatory:
• Shia Unsdorfer filed plans for new building for 12,606 sqft in East Flatbush, Brooklyn, on January 14, 2026.
• Shalom Stahler and Shia Unsdorfer borrowed $23 million from S3 Capital for 104 Montgomery Street on November 21, 2025.
• Shia Unsdorfer filed plans for new building for 12,640 sqft in East Flatbush, Brooklyn, on May 20, 2025.
• Shia Unsdorfer borrowed $19.6 million from S3 Capital for 220 16 Street on May 15, 2025.
• Shia Unsdorfer filed plans for new building for 9,309 sqft in Prospect Lefferts Gardens, Brooklyn, on December 05, 2024.
• Shia Unsdorfer filed plans for new building for 13,572 sqft in Prospect Lefferts Gardens, Brooklyn, on November 25, 2024.
• Shia Unsdorfer filed plans for new building for 19,407 sqft in Prospect Lefferts Gardens, Brooklyn, on April 10, 2024.
• Shia Unsdorfer filed plans for new building for 41,057 sqft in South Slope, Brooklyn, on April 08, 2024.
• Shia Unsdorfer filed plans for major alteration for 6,029 sqft in Prospect Lefferts Gardens, Brooklyn, on October 31, 2023.
• Shia Unsdorfer filed plans for major alteration for 5,576 sqft in East Flatbush, Brooklyn, on March 30, 2023.
Latest Stories:
• Shalom Stahler pays $9M for possible dev site in Crown Heights (December 31, 2024)