Investor profile - NY
Marshall Kosten
Marshall Kosten is a real estate investor and operator based in New York City, NY-NJ-CT. Public filings show activity across 4 properties held through 4 holding companies. Recent mortgage relationships include Metropolitan Commercial Bank, 806 ALABAMA AVE, and CHEMICAL BANK.
Marshall's Activity
As of December 2025, public records show approximately $9.5M in recorded mortgage exposure linked to this investor across at least 5 mortgage filings and 4 properties held through 4 holding companies. Activity appears concentrated in industrial and commercial assets recorded between 2014 and 2023.
Primary Geography
New York City, NY-NJ-CT
ZIP codes: 11207, 11208, 11222, and 11237
Most recorded activity for this investor appears in BROOKLYN.
Property Type Breakdown
Associated Entities (4)
NY · 4 properties · 2 mortgages
NY · 4 properties · 2 mortgages
NY · 2 properties · 1 mortgage
+1 more not shown
Mortgages (5)
Top Lenders
| Date | Amount | Status | Lender | Borrower | Address |
|---|---|---|---|---|---|
| 03/30/2023 | $4.0M | Open | Metropolitan Commercial Bank | MCGUINESS PROPERTIES LLC | 1138 FLUSHING AVE, BROOKLYN, NY 11237 |
| 09/23/2019 | $1.1M | Open | 806 ALABAMA AVE | A FRESH BROOKLYN LLC | 824 ALABAMA AVE, BROOKLYN, NY 11207 |
| 03/22/2019 | $3.0M | Open | Metropolitan Commercial Bank | LAWTON STREET PROPERTIES LLC | - |
+2 more not shown
Owned Properties (4)
| Address | Deeded owner | Status | Consideration |
|---|---|---|---|
| 209 HIGHLAND PL, BROOKLYN, NY 11208 | MARSHALL KESTEN LLC | Owns - 4.6 yrs | $1.1M |
| 824 ALABAMA AVE, BROOKLYN, NY 11207 | A FRESH BROOKLYN LLC | Owns - 6.3 yrs | $0 |
| 1138 FLUSHING AVE, BROOKLYN, NY 11237 | MARSHALL KESTEN | Owns - 12.8 yrs | $385k |
+1 more not shown
FAQ
What type of real estate does this investor focus on?
Associated mortgages and deeds show activity in industrial and commercial properties across New York City, NY-NJ-CT.
What companies is Marshall Kosten associated with?
Marshall Kosten is associated with 4 entities based on extracted signatures from public records. Key entities include LAWTON STREET PROPERTIES LLC, MARSHALL KESTEN LLC, A FRESH BROOKLYN LLC, and MCGUINESS PROPERTIES LLC.
How many properties are associated with this investor?
At least 4 properties are associated with Marshall Kosten and the entities they control, based on signatures extracted from recorded documents connecting Marshall Kosten to the entities.
Which lenders has this investor worked with?
Recent mortgage activity references Metropolitan Commercial Bank, 806 ALABAMA AVE, and CHEMICAL BANK, indicating a mix of lending relationships.
How recent is their activity?
Records show activity from 2014 through 2023, with the most recent mortgage recorded in 2023.
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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