Investor Profile - MA
Thomas Sibley
Thomas Sibley is a real estate investor and operator based in Boston-Worcester, MA-NH. Public filings show activity across 62 properties held through 27 holding companies. Recent mortgage relationships include GP COMMERCIAL MTG, Cambridge Savings Bank, and HarborOne Bank.
Thomas's Activity
As of June 2026, public records show approximately $179.0M in recorded mortgage exposure linked to this investor across at least 34 mortgage filings and 62 properties held through 27 holding companies. Activity appears concentrated in residential and industrial assets recorded between 2016 and 2025.
Associated People
Primary Geography
Boston-Worcester, MA-NH
ZIP codes: 01760, 01702, 02453, 01742, and 01453
Most activity in NATICK, FRAMINGHAM, WALTHAM, CONCORD, and LEOMINSTER.
Property Type Breakdown
Associated Entities (27)
MA · 1 property · 3 mortgages
MA · 0 properties · 2 mortgages
+25 more entities not shown
Mortgages (34)
Top Lenders
$49.9M · 1 loan
$32.4M · 2 loans
$29.1M · 3 loans
| Date | Amount | Status | Lender | Borrower | Address |
|---|---|---|---|---|---|
| 11/20/2025 | $1.5M | Open | The Cooperative Bank of Cape Cod | ARRIS LAMARTINE LLC | 104 LAMARTINE ST, WORCESTER, MA 01608 |
| 11/14/2025 | $2.8M | Open | Savers Bank | 12JOHN LLC | 12 JOHN RD, SUTTON, MA 01590 |
+32 more not shown
Owned Properties (62)
| Address | Deeded owner | Status | Consideration |
|---|---|---|---|
| 104 LAMARTINE ST, WORCESTER, MA 01608 | ARRIS LAMARTINE LLC | Owns - 6 mos | $2.4M |
| 70 WORCESTER RD, FRAMINGHAM, MA 01702 | BANK OF AMERICA NA | Owns - 12 mos | $0 |
+60 more not shown
FAQ
What type of real estate does this investor focus on?
Associated mortgages and deeds show activity in residential, industrial, and commercial properties across Boston-Worcester, MA-NH.
What companies is Thomas Sibley associated with?
Thomas Sibley is associated with 27 entities based on extracted signatures from public records. Key entities include 84 WR LLC, A6 BEAVER LLC, 29 DALBY STREET NEWTON LLC, A4 CEDAR HILL LLC, and 66 68 CENTRAL STREET WALTHAM LLC.
How many properties are associated with this investor?
At least 62 properties are associated with Thomas Sibley and the entities they control, based on signatures extracted from recorded documents connecting Thomas Sibley to the entities.
Which lenders has this investor worked with?
Recent mortgage activity references GP COMMERCIAL MTG, Cambridge Savings Bank, and HarborOne Bank, 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 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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