Investor Profile - NY
Nan Rubin
Nan Rubin is a real estate investor and operator based in New York City, NY-NJ-CT. Public filings show activity across 2 properties held through 2 holding companies. Recent mortgage relationships include 221 MARTENSE FUNDING L P, Bank Leumi USA, and 221 MARTENSE FUNDING.
Nan's Activity
As of June 2026, public records show approximately $6.8M in recorded mortgage exposure linked to this investor across at least 4 mortgage filings and 2 properties held through 2 holding companies. Activity appears concentrated in residential assets recorded between 2018 and 2021.
Associated People
Primary Geography
New York City, NY-NJ-CT
ZIP codes: 11226
Most activity in BROOKLYN.
Property Type Breakdown
Associated Entities (2)
NY · 1 property · 4 mortgages
NY · 1 property · 3 mortgages
Mortgages (4)
Top Lenders
$3.0M · 1 loan
$2.2M · 1 loan
$1.4M · 1 loan
| Date | Amount | Status | Lender | Borrower | Address |
|---|---|---|---|---|---|
| 11/12/2021 | $150k | Open | Greystone | MARTENSE TERRACE LLC | 223 MARTENSE ST #4, BROOKLYN, NY 11226 |
| 07/29/2020 | $2.2M | Open | Bank Leumi USA | 223 MARTENSE LLC | 223 MARTENSE ST #4, BROOKLYN, NY 11226 |
+2 more not shown
Owned Properties (2)
| Address | Deeded owner | Status | Consideration |
|---|---|---|---|
| 221 MARTENSE ST #4, BROOKLYN, NY 11226 | MARTENSE TERRACE LLC | Owns - 7.7 yrs | $1.3M |
| 223 MARTENSE ST #4, BROOKLYN, NY 11226 | 223 MARTENSE LLC | Owns - 8.2 yrs | $1.1M |
FAQ
What type of real estate does this investor focus on?
Associated mortgages and deeds show activity in residential properties across New York City, NY-NJ-CT.
What companies is Nan Rubin associated with?
Nan Rubin is associated with 2 entities based on extracted signatures from public records. Key entities include MARTENSE TERRACE LLC and 223 MARTENSE LLC.
How many properties are associated with this investor?
At least 2 properties are associated with Nan Rubin and the entities they control, based on signatures extracted from recorded documents connecting Nan Rubin to the entities.
Which lenders has this investor worked with?
Recent mortgage activity references 221 MARTENSE FUNDING L P, Bank Leumi USA, and 221 MARTENSE FUNDING, indicating a mix of lending relationships.
How recent is their activity?
Records show activity from 2018 through 2021, with the most recent mortgage recorded in 2021.
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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