Investor Profile - MA
Robert Costello
Robert Costello is a real estate investor and operator based in Boston-Worcester, MA-NH. Public filings show activity across 106 properties held through 14 holding companies. Recent mortgage relationships include East Cambridge Savings Bank, Middlesex Federal Savings, and E CAMBRIDGE SAVINGS BK.
Robert's Activity
As of June 2026, public records show approximately $21.5M in recorded mortgage exposure linked to this investor across at least 33 mortgage filings and 106 properties held through 14 holding companies. Activity appears concentrated in residential and exempt assets recorded between 2015 and 2026.
Associated People
Primary Geography
Boston-Worcester, MA-NH
ZIP codes: 02138, 02145, 02140, 02474, and 02476
Most activity in CAMBRIDGE, SOMERVILLE, ARLINGTON, STONEHAM, and MEDFIELD.
Property Type Breakdown
Associated Entities (14)
MA · 10 properties · 15 mortgages
MA · 5 properties · 4 mortgages
+12 more entities not shown
Mortgages (33)
Top Lenders
$9.4M · 4 loans
$5.5M · 2 loans
$2.6M · 3 loans
| Date | Amount | Status | Lender | Borrower | Address |
|---|---|---|---|---|---|
| 03/13/2026 | $5.5M | Open | East Cambridge Savings Bank | HDV 3 LLC | 382 HURON AVE, CAMBRIDGE, MA 02138 |
| 06/29/2023 | $4.4M | Open | Middlesex Federal Savings | EIGHTY BROADWAY LLC | 80 BROADWAY, ARLINGTON, MA 02474 |
+31 more not shown
Owned Properties (106)
| Address | Deeded owner | Status | Consideration |
|---|---|---|---|
| 382 HURON AVE, CAMBRIDGE, MA 02138 | HDV 3 LLC | Owns - 3 mos | $2.6M |
| 80 BROADWAY, ARLINGTON, MA 02474 | PANGOLIN PROPERTIES TRUST | Sold | $700k |
+104 more not shown
FAQ
What type of real estate does this investor focus on?
Associated mortgages and deeds show activity in residential, exempt, and commercial properties across Boston-Worcester, MA-NH.
What companies is Robert Costello associated with?
Robert Costello is associated with 14 entities based on extracted signatures from public records. Key entities include HAWTHORNE DEVELOPMENT VENTURES LLC, ABS REAL ESTATE LLC, TWELVE MAIN STREET LLC, EIGHTY BROADWAY LLC, and 55 KENSINGTON LLC.
How many properties are associated with this investor?
At least 106 properties are associated with Robert Costello and the entities they control, based on signatures extracted from recorded documents connecting Robert Costello to the entities.
Which lenders has this investor worked with?
Recent mortgage activity references East Cambridge Savings Bank, Middlesex Federal Savings, and E CAMBRIDGE SAVINGS BK, indicating a mix of lending relationships.
How recent is their activity?
Records show activity from 2015 through 2026, with the most recent mortgage recorded in 2026.
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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