Investor profile - NY
David Halberstam
David Halberstam is a real estate investor and operator based in New York City, NY-NJ-CT. Public filings show activity across 16 properties held through 13 holding companies. Recent mortgage relationships include S3 Capital, Zions Bancorporation, and ICECAP GROUP.
David's Activity
As of December 2025, public records show approximately $217.7M in recorded mortgage exposure linked to this investor across at least 44 mortgage filings and 16 properties held through 13 holding companies. Activity appears concentrated in commercial and multifamily assets recorded between 2015 and 2025.
Associated People
Primary Geography
New York City, NY-NJ-CT
ZIP codes: 11211, 11215, 11201, 11205, and 11226
Most recorded activity for this investor appears in BROOKLYN.
Property Type Breakdown
Associated Entities (13)
NY · 2 properties · 6 mortgages
NY · 1 property · 4 mortgages
NY · 0 properties · 4 mortgages
+10 more not shown
Mortgages (44)
Top Lenders
| Date | Amount | Status | Lender | Borrower | Address |
|---|---|---|---|---|---|
| 06/27/2025 | $4.2M | Open | S3 Capital | 282 4TH AVE OWNER LLC | 282 4TH AVE, BROOKLYN, NY 11215 |
| 06/27/2025 | $15.0M | Open | S3 Capital | 282 4TH AVE OWNER LLC | 284 4TH AVE, BROOKLYN, NY 11215 |
| 06/26/2025 | $17.0M | Open | Zions Bancorporation | 340 MYRTLE DEVELOPMENT LLC | 340 MYRTLE AVE, BROOKLYN, NY 11205 |
+41 more not shown
Owned Properties (16)
| Address | Deeded owner | Status | Consideration |
|---|---|---|---|
| 533 GRAND ST, BROOKLYN, NY 11211 | 533 GRAND LLC | Owns - 13 mos | $2.8M |
| 340 MYRTLE AVE, BROOKLYN, NY 11205 | 340 MYRTLE DEVELOPMENT LLC | Owns - 2.3 yrs | $13.2M |
| 155 CARLTON AVE, BROOKLYN, NY 11205 | 340 MYRTLE DEVELOPMENT LLC | Owns - 2.4 yrs | $685k |
+13 more not shown
FAQ
What type of real estate does this investor focus on?
Associated mortgages and deeds show activity in commercial, multifamily, and industrial properties across New York City, NY-NJ-CT.
What companies is David Halberstam associated with?
David Halberstam is associated with 13 entities based on extracted signatures from public records. Key entities include 127 CONCORD REALTY LLC, 630 GRAND ST LLC, 366 LEONARD ST LLC, TROY GLOBAL LLC, and 155 SMITH STREET LLC.
How many properties are associated with this investor?
At least 16 properties are associated with David Halberstam and the entities they control, based on signatures extracted from recorded documents connecting David Halberstam to the entities.
Which lenders has this investor worked with?
Recent mortgage activity references S3 Capital, Zions Bancorporation, and ICECAP GROUP, indicating a mix of lending relationships.
How recent is their activity?
Records show activity from 2015 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.
Elementix is not a consumer reporting agency, and this information does not constitute a consumer report. The data may not be used to make decisions about an individual's eligibility for personal credit, consumer housing, employment, insurance, or any other purpose governed by the Fair Credit Reporting Act.
Elementix may suppress certain contact indicators where legally required or where appropriate for safety or privacy reasons. Requests for removal, suppression, or correction of information must be submitted to compliance@elementix.ai. Elementix reviews such requests only where required by applicable law or where information is factually inaccurate. General objections or unsupported demands do not create a removal obligation.