Investor profile - NY
Martin Kirzner
Martin Kirzner is a real estate investor and operator based in New York City, NY-NJ-CT. Public filings show activity across 41 properties held through 34 holding companies. Recent mortgage relationships include NEW YORK COMMUNITY BANK, First Guaranty Mortgage, and Santander Bank.
Martin's Activity
As of December 2025, public records show approximately $242.3M in recorded mortgage exposure linked to this investor across at least 75 mortgage filings and 41 properties held through 34 holding companies. Activity appears concentrated in multifamily and commercial assets recorded between 2010 and 2024.
Primary Geography
New York City, NY-NJ-CT
ZIP codes: 10039, 10453, 10458, 11226, and 11233
Most recorded activity for this investor appears in BRONX, BROOKLYN, and NEW YORK.
Property Type Breakdown
Associated Entities (34)
NY · 80 properties · 69 mortgages
NY · 2 properties · 6 mortgages
NY · 0 properties · 5 mortgages
+31 more not shown
Mortgages (75)
Top Lenders
$50.1M · 18 loans
$46.7M · 3 loans
$34.9M · 2 loans
| Date | Amount | Status | Lender | Borrower | Address |
|---|---|---|---|---|---|
| 12/11/2024 | $6.1M | Open | First Guaranty Mortgage | VISION 149 LP | 224 W 149TH ST, NEW YORK, NY 10039 3B |
| 06/12/2024 | $1.2M | Open | Dime Community Bank | FCCF LLC | 2303 CLARENDON RD, BROOKLYN, NY 11226 |
| 03/04/2024 | $30.3M | Open | First Guaranty Mortgage | 138 SHARP REALTY LLC | 430 E 138TH ST, BRONX, NY 10454 |
+72 more not shown
Owned Properties (41)
| Address | Deeded owner | Status | Consideration |
|---|---|---|---|
| 2303 CLARENDON RD, BROOKLYN, NY 11226 | 2303 CLARENDON ROAD ASSOCIATES LLC | Owns - 19 mos | $0 |
| 1514 SEDGWICK AVE, BRONX, NY 10453 | HP 1514 SEDGWICK HOUSING DEVELOPMENT FUN | Owns - 3.6 yrs | $22.5M |
| 2800 8TH AVE, NEW YORK, NY 10039 | HP VISION 149 HOUSING DEVELOPMENT FUND CO INC | Owns - 7.3 yrs | $1 |
+38 more not shown
FAQ
What type of real estate does this investor focus on?
Associated mortgages and deeds show activity in multifamily and commercial properties across New York City, NY-NJ-CT.
What companies is Martin Kirzner associated with?
Martin Kirzner is associated with 34 entities based on extracted signatures from public records. Key entities include NYC PARTNERSHIP HOUSING DEVELOPMENT FUND CO INC, BRONX SHARP REALTY LLC, 138 SHARP REALTY LLC, BROOK SHARP REALTY LLC, and BROADHURST WILLOWS APTS LLC.
How many properties are associated with this investor?
At least 41 properties are associated with Martin Kirzner and the entities they control, based on signatures extracted from recorded documents connecting Martin Kirzner to the entities.
Which lenders has this investor worked with?
Recent mortgage activity references NEW YORK COMMUNITY BANK, First Guaranty Mortgage, and Santander Bank, indicating a mix of lending relationships.
How recent is their activity?
Records show activity from 2010 through 2024, with the most recent mortgage recorded in 2024.
How is associated activity determined?
Elementix uses AI to extract signatures from recorded documents. These signatures are used to determine the relationships between people and entities. This is a novel approach that goes beyond looking at corporate filings and skip-tracing.
The information displayed on this page is compiled from recorded real estate documents, business filings, and other lawfully available sources. Elementix summarizes and analyzes public record activity related to investment real estate and associated business entities. Any contact indicators shown (such as email domain references or partial phone digits) are provided solely as unverified signals and may be incomplete or outdated.
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