Investor profile - NY
Chaya Marmulszteyn
Chaya Marmulszteyn is a real estate investor and operator based in New York City, NY-NJ-CT. Public filings show activity across 140 properties held through 17 holding companies. Recent mortgage relationships include 948 MYRTLE AVENUE 1, S3 Capital, and 95 AINSLIE STREET DEBT.
Chaya's Activity
As of December 2025, public records show approximately $58.8M in recorded mortgage exposure linked to this investor across at least 31 mortgage filings and 140 properties held through 17 holding companies. Activity appears concentrated in residential and industrial assets recorded between 2017 and 2025.
Primary Geography
New York City, NY-NJ-CT
ZIP codes: 11206, 11222, 11211, 11216, and 11219
Most recorded activity for this investor appears in BROOKLYN.
Property Type Breakdown
Associated Entities (17)
NY · 0 properties · 5 mortgages
NY · 6 properties · 5 mortgages
NY · 0 properties · 4 mortgages
+14 more not shown
Mortgages (31)
Top Lenders
| Date | Amount | Status | Lender | Borrower | Address |
|---|---|---|---|---|---|
| 08/01/2025 | $520k | Open | JPMorgan Chase Bank, National Association | SUW I LLC | 1449 61ST ST, BROOKLYN, NY 11219 1 |
| 05/18/2022 | $11.5M | Closed | Emerald Creek Capital | CORNELL MYRTLE LLC | 256 THROOP AVE, BROOKLYN, NY 11206 4C |
| 12/08/2021 | $2.1M | Closed | NW NOVA 29TH LENDER | 254 256 N 9TH ST LLC | 256 N 9TH ST, BROOKLYN, NY 11211 2A |
+28 more not shown
Owned Properties (140)
| Address | Deeded owner | Status | Consideration |
|---|---|---|---|
| 205 VERNON AVE, BROOKLYN, NY 11206 4D | ROA OH | Sold | $207k |
| 205 VERNON AVE, BROOKLYN, NY 11206 4D | CHRISTOPHER HICKEY | Sold | $207k |
| 940 MYRTLE AVE, BROOKLYN, NY 11206 5E | ARYEH MENDLOWIC | Sold | $1.2M |
+137 more not shown
FAQ
What type of real estate does this investor focus on?
Associated mortgages and deeds show activity in residential, industrial, and multifamily properties across New York City, NY-NJ-CT.
What companies is Chaya Marmulszteyn associated with?
Chaya Marmulszteyn is associated with 17 entities based on extracted signatures from public records. Key entities include 825 PROSPECT PL LLC, CORNELL MYRTLE LLC, 81 INDIA STREET LLC, 254 256 N 9TH ST LLC, and SUMMERFIELD GROUP VENTURES LLC.
How many properties are associated with this investor?
At least 140 properties are associated with Chaya Marmulszteyn and the entities they control, based on signatures extracted from recorded documents connecting Chaya Marmulszteyn to the entities.
Which lenders has this investor worked with?
Recent mortgage activity references 948 MYRTLE AVENUE 1, S3 Capital, and 95 AINSLIE STREET DEBT, indicating a mix of lending relationships.
How recent is their activity?
Records show activity from 2017 through 2025, with the most recent mortgage recorded in 2025.
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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