Investor Profile - MA
William Thibeault
William Thibeault is a real estate investor and operator based in Boston-Worcester, MA-NH. Public filings show activity across 50 properties held through 25 holding companies. Recent mortgage relationships include Enterprise Bank & Trust, DANA J MARKS, and Rockland Trust.
William's Activity
As of June 2026, public records show approximately $51.0M in recorded mortgage exposure linked to this investor across at least 3 mortgage filings and 50 properties held through 25 holding companies. Activity appears concentrated in vacant and commercial assets recorded between 2015 and 2026.
Associated People
Primary Geography
Boston-Worcester, MA-NH
ZIP codes: 02150, 01834, 02149, 02111, and 01930
Most activity in CHELSEA, BOSTON, GROVELAND, EVERETT, and GLOUCESTER.
Property Type Breakdown
Associated Entities (25)
MA · 1 property · 1 mortgage
MA · 1 property · 1 mortgage
+23 more entities not shown
Mortgages (3)
Top Lenders
| Date | Amount | Status | Lender | Borrower | Address |
|---|---|---|---|---|---|
| 12/31/2024 | $47.0M | Open | Enterprise Bank & Trust | GROVELAND RT LLC | 4 SEWELL ST, GROVELAND, MA 01834 |
| 02/07/2018 | $4.0M | Open | DANA J MARKS | ILBT LLC | 136 SAINT BOTOLPH ST, BOSTON, MA 02115 |
+1 more not shown
Owned Properties (50)
| Address | Deeded owner | Status | Consideration |
|---|---|---|---|
| 11 AVENUE DE LAFAYETTE, BOSTON, MA 02111 | THIBEAULT DEVELOPMENT LLC | Owns - 7 mos | $9.2M |
| 365 WILLIAM F MCCLELLAN HWY, EAST BOSTON, MA 02128 | 305 365 MCC HIGHWAY LLC | Owns - 4.5 yrs | $22.7M |
+48 more not shown
FAQ
What type of real estate does this investor focus on?
Associated mortgages and deeds show activity in vacant, commercial, and residential properties across Boston-Worcester, MA-NH.
What companies is William Thibeault associated with?
William Thibeault is associated with 25 entities based on extracted signatures from public records. Key entities include WASHINGTON LIBERTY LLC, ILBT LLC, GROVELAND RT LLC, 371 LOWELL AVENUE LLC, and KINGMAN BLOCK LLC.
How many properties are associated with this investor?
At least 50 properties are associated with William Thibeault and the entities they control, based on signatures extracted from recorded documents connecting William Thibeault to the entities.
Which lenders has this investor worked with?
Recent mortgage activity references Enterprise Bank & Trust, DANA J MARKS, and Rockland Trust, 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 2024.
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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