Investor profile - NJ
Mary Costello
Mary Costello is a real estate investor and operator based in New York City, NY-NJ-CT. Public filings show activity across 54 properties held through 39 holding companies. Recent mortgage relationships include Lakeland Bank, 1st Constitution Bank, and JON BASMANOV AND 6120BUCHANAN.
Mary's Activity
As of December 2025, public records show approximately $6.8M in recorded mortgage exposure linked to this investor across at least 22 mortgage filings and 54 properties held through 39 holding companies. Activity appears concentrated in residential and commercial assets recorded between 2011 and 2025.
Associated People
Primary Geography
New York City, NY-NJ-CT
ZIP codes: 07305, 07302, 07304, 07307, and 07087
Most recorded activity for this investor appears in JERSEY, UNION CITY, NORTH BERGEN, HOBOKEN, and SECAUCUS.
Property Type Breakdown
Associated Entities (39)
NJ · 32,934 properties · 49 mortgages
NJ · 0 properties · 14 mortgages
NJ · 3,421 properties · 12 mortgages
+36 more not shown
Mortgages (22)
Top Lenders
$4.5M · 1 loan
$1.3M · 3 loans
$507k · 1 loan
| Date | Amount | Status | Lender | Borrower | Address |
|---|---|---|---|---|---|
| 01/31/2025 | $9k | Open | FIG NJ19 | GMAC MORTGAGE CORP | 239 ALEXANDER ST, NEWARK, NJ 07106 |
| 03/19/2024 | $4.5M | Open | Lakeland Bank | BALLENTE REALTY ASSOCIATES LLC | 1211 9TH ST, NORTH BERGEN, NJ 07047 |
| 02/28/2024 | $2k | Open | LILLIAN ZHANG | PC7REO LLC | 35 GRACE ST, BLOOMFIELD, NJ 07003 |
+19 more not shown
Owned Properties (54)
| Address | Deeded owner | Status | Consideration |
|---|---|---|---|
| 79 WARNER AVE, JERSEY, NJ 07305 | BALLENTE REALTY ASSOCIATES LLC | Sold | $0 |
| 97 GREENE ST, JERSEY, NJ 07302 | SALMAN CAPITAL FUNDING LLC | Sold | $3.8M |
| 99 GREENE ST, JERSEY, NJ 07302 3RD | SALMAN CAPITAL FUNDING LLC | Sold | $3.8M |
+51 more not shown
FAQ
What type of real estate does this investor focus on?
Associated mortgages and deeds show activity in residential, commercial, and multifamily properties across New York City, NY-NJ-CT.
What companies is Mary Costello associated with?
Mary Costello is associated with 39 entities based on extracted signatures from public records. Key entities include WELLS FARGO BANK NA, HARRISON DEVELOPERS LLC, PNC BANK NA, BALLENTE REALTY ASSOCIATES LLC, and SKY POINTE LLC.
How many properties are associated with this investor?
At least 54 properties are associated with Mary Costello and the entities they control, based on signatures extracted from recorded documents connecting Mary Costello to the entities.
Which lenders has this investor worked with?
Recent mortgage activity references Lakeland Bank, 1st Constitution Bank, and JON BASMANOV AND 6120BUCHANAN, indicating a mix of lending relationships.
How recent is their activity?
Records show activity from 2011 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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