Investor profile - MA
Mark Porter
Mark Porter is a real estate investor and operator based in Boston-Worcester, MA-NH. Public filings show activity across 3 properties held through 6 holding companies. Recent mortgage relationships include MEMBERS MORTGAGE and Toll Brothers Mortgage Company.
Mark's Activity
As of December 2025, public records show approximately $255k in recorded mortgage exposure linked to this investor across at least 2 mortgage filings and 3 properties held through 6 holding companies. Activity appears concentrated in residential assets recorded between 2015 and 2025.
Primary Geography
Boston-Worcester, MA-NH
ZIP codes: 02021 and 02451
Most recorded activity for this investor appears in CANTON and WALTHAM.
Property Type Breakdown
Associated Entities (6)
MA · 0 properties · 1 mortgage
MA · 0 properties · 1 mortgage
MA · 2 properties · 1 mortgage
+3 more not shown
Mortgages (2)
Top Lenders
$255k · 1 loan
$0 · 0 loans
| Date | Amount | Status | Lender | Borrower | Address |
|---|---|---|---|---|---|
| 05/12/2020 | $255k | Open | MEMBERS MORTGAGE | MARK J PORTER A MARRIED MAN | 246 NEPONSET ST, CANTON, MA 02021 |
| 05/13/2015 | $0 | Closed | Toll Brothers Mortgage Company | CONSIDINE DEVELOPMENT CO LLC | 5 LYNN ST, CANTON, MA 02021 |
+0 more not shown
Owned Properties (3)
| Address | Deeded owner | Status | Consideration |
|---|---|---|---|
| 919 WASHINGTON ST, CANTON, MA 02021 | CONSIDINE DEVELOPMENT CO LLC | Sold | $200k |
| 83 GUINAN ST, WALTHAM, MA 02451 | - | Sold | $0 |
| 5 BALANCING ROCK RD, CANTON, MA 02021 | JESSE BAILEY | Sold | $924k |
+0 more not shown
FAQ
What type of real estate does this investor focus on?
Associated mortgages and deeds show activity in residential properties across Boston-Worcester, MA-NH.
What companies is Mark Porter associated with?
Mark Porter is associated with 6 entities based on extracted signatures from public records. Key entities include CANTON HOLDINGS LLC, MARK J PORTER A MARRIED MAN, CONSIDINE DEVELOPMENT CO LLC, HARVARD PILGRIM HEALTH CARE INC, and MARK J PORTER TRUSTEE OF THE PORTER FAMILY REALTY TRUST UDT DATED NOVEMBER 10 2017.
How many properties are associated with this investor?
At least 3 properties are associated with Mark Porter and the entities they control, based on signatures extracted from recorded documents connecting Mark Porter to the entities.
Which lenders has this investor worked with?
Recent mortgage activity references MEMBERS MORTGAGE and Toll Brothers Mortgage Company, 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 2020.
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.