Investor Profile - MA
Stephen Costello
Stephen Costello is a real estate investor and operator based in Boston-Worcester, MA-NH. Public filings show activity across 15 properties held through 6 holding companies. Recent mortgage relationships include STEPHEN P COSTELLO.
Stephen's Activity
As of June 2026, public records show approximately $163k in recorded mortgage exposure linked to this investor across at least 1 mortgage filings and 15 properties held through 6 holding companies. Activity appears concentrated in residential and vacant assets recorded between 2016 and 2025.
Associated People
Primary Geography
Boston-Worcester, MA-NH
ZIP codes: 02536, 02062, 02540, 02762, and 01890
Most activity in EAST FALMOUTH, NORWOOD, FALMOUTH, PLAINVILLE, and WINCHESTER.
Property Type Breakdown
Associated Entities (6)
MA · 1 property · 1 mortgage
MA · 0 properties · 0 mortgages
+4 more entities not shown
Mortgages (1)
Top Lenders
$163k · 1 loan
| Date | Amount | Status | Lender | Borrower | Address |
|---|---|---|---|---|---|
| 08/30/2022 | $163k | Open | STEPHEN P COSTELLO | DAIDO AGUS MAMO LLC | 302 NAHATAN ST, NORWOOD, MA 02062 |
Owned Properties (15)
| Address | Deeded owner | Status | Consideration |
|---|---|---|---|
| 302 NAHATAN ST, NORWOOD, MA 02062 | DAIDO AGUS MAMO LLC | Owns - 3.9 yrs | $163k |
| 27 SHERRIN ST, HYDE PARK, MA 02136 | COSTELLO REALTY TRUST | Owns - 4.0 yrs | $0 |
+13 more not shown
FAQ
What type of real estate does this investor focus on?
Associated mortgages and deeds show activity in residential and vacant properties across Boston-Worcester, MA-NH.
What companies is Stephen Costello associated with?
Stephen Costello is associated with 6 entities based on extracted signatures from public records. Key entities include DAIDO AGUS MAMO LLC, STEPHEN E COSTELLO, EDGEWATER EAST LLC, P REVERE REALTY CORP, and BERKELEY EAST LLC.
How many properties are associated with this investor?
At least 15 properties are associated with Stephen Costello and the entities they control, based on signatures extracted from recorded documents connecting Stephen Costello to the entities.
Which lenders has this investor worked with?
Recent mortgage activity references STEPHEN P COSTELLO, indicating a mix of lending relationships.
How recent is their activity?
Records show activity from 2016 through 2025, with the most recent mortgage recorded in 2022.
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 [email protected]. Elementix reviews such requests only where required by applicable law. General objections or unsupported demands do not create a removal obligation.