Shaya Seidenfeld

MZS Realty

Developer, Owner

46 Main St #256 Monsey, NY 10952

5308 13th Ave #203 Brooklyn, NY 11219

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MZS Realty NYC portfolio

$93.4 million -walkup 36%, development 32%, V1 12%; Bronx 97%, Brooklyn 2%*

1567th largest portfolio by dollar value

108,551 sqft – walkup 79%, C0 6%, mixed-use 5%; Bronx 90%, Brooklyn 9%

2259th largest by SF

25 properties – Bronx 92%, Brooklyn 7%

410th largest

231 residential units – Bronx 94%, Brooklyn 5%

1044th largest by residential units

0 foreclosures, 0 bankruptcies, 1 other court case.

Person Activity past 24 months:

Buyer signatory: 2 for $6.8 million

Borrower signatory: 8 for $56.4 million

Developer (new building or major alteration): 36 for 196,167 square feet

Top Ten Associated People:

Ray A. Carle (2), Antonino D’Amico (1), Stephen Siminou (1), Charles V. Ford (1), Nicole Carroll (1), Arthur Birenbaum (1), Louis Lebovits (1), Steven A. Tsavaris (1), Colin Jung (1)

Recent activity as signatory:

• Shaya Seidenfeld filed plans for new building for 20,447 sqft in East New York, Brooklyn, on March 26, 2026.

• MZS Realty borrowed $18.5 million from Amalgamated Bank for 414 East 152nd Street, 414 East 152nd Street, and 414 East 152nd Street, Melrose, Bronx on February 27, 2026.

• MZS Realty borrowed $4.6 million from Grasshopper Bank for 1531 Nelson Avenue on December 05, 2025.

• MZS Realty borrowed $9.8 million from Protective Life Insurance Company for 1821 Prospect Avenue on November 24, 2025.

• MZS Realty borrowed $4.9 million from Protective Life Insurance Company for 714 East 217th Street, Williamsbridge, Bronx on November 24, 2025.

• MZS Realty borrowed $8.6 million from Alpha Real Estate Funding for 882 Morris Avenue on October 21, 2025.

• MZS Realty borrowed $5 million from Security Mutual Life Insurance Company of New York for 2768 Matthews Avenue on July 21, 2025.

• Shaya Seidenfeld filed plans for new building for 77,778 sqft in Mt Eden, Bronx, on April 10, 2025.

• Shaya Seidenfeld filed plans for new building for 13,010 sqft in Morrisania, Bronx, on March 17, 2025.

• Shaya Seidenfeld filed plans for new building for 8,569 sqft in Highbridge, Bronx, on March 12, 2025.

Court Records:

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Properties:

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