Investor profile - MA
Jason Foster
Jason Foster is a real estate investor and operator based in Boston-Worcester, MA-NH. Public filings show activity across 14 properties held through 13 holding companies. Recent mortgage relationships include Commerce Bank & Trust, Brookline Bank, and FIRST REPUBLIC BANK.
Jason's Activity
As of December 2025, public records show approximately $18.1M in recorded mortgage exposure linked to this investor across at least 16 mortgage filings and 14 properties held through 13 holding companies. Activity appears concentrated in residential and multifamily assets recorded between 2016 and 2025.
Primary Geography
Boston-Worcester, MA-NH
ZIP codes: 02127, 02129, 01748, 02141, and 02109
Most recorded activity for this investor appears in BOSTON, CHARLESTOWN, SOUTH BOSTON, HOPKINTON, and CAMBRIDGE.
Property Type Breakdown
Associated Entities (13)
MA · 0 properties · 5 mortgages
MA · 0 properties · 1 mortgage
MA · 0 properties · 1 mortgage
+10 more not shown
Mortgages (16)
Top Lenders
| Date | Amount | Status | Lender | Borrower | Address |
|---|---|---|---|---|---|
| 12/02/2021 | $1.6M | Open | FIRST REPUBLIC BANK | STARBOARD 42NC LLC | - |
| 12/02/2021 | $1.6M | Closed | FIRST REPUBLIC BANK | 45 1ST AVE LLC | 45 1ST AVE, CHARLESTOWN, MA 02129 404 |
| 07/22/2019 | $2.9M | Closed | Brookline Bank | 3 BEACON STREET LLC | 1 BEACON ST, SOMERVILLE, MA 02143 |
+13 more not shown
Owned Properties (14)
| Address | Deeded owner | Status | Consideration |
|---|---|---|---|
| 45 1ST AVE, CHARLESTOWN, MA 02129 404 | LAUREN PUTMAN | Sold | $425k |
| 230 SILVER ST, BOSTON, MA 02127 | 377 WEST BROADWAY LLC | Sold | $6.2M |
| 16 GORE ST, CAMBRIDGE, MA 02141 | 16 GORE STREET LLC | Sold | $1.1M |
+11 more not shown
FAQ
What type of real estate does this investor focus on?
Associated mortgages and deeds show activity in residential and multifamily properties across Boston-Worcester, MA-NH.
What companies is Jason Foster associated with?
Jason Foster is associated with 13 entities based on extracted signatures from public records. Key entities include 45 1ST AVE LLC, 149 WEST EIGHTH STREET LLC, 176 NORTH STREET LLC, 873 E SECOND STREET LLC, and 42 NORTH CAPITAL LLC.
How many properties are associated with this investor?
At least 14 properties are associated with Jason Foster and the entities they control, based on signatures extracted from recorded documents connecting Jason Foster to the entities.
Which lenders has this investor worked with?
Recent mortgage activity references Commerce Bank & Trust, Brookline Bank, and FIRST REPUBLIC 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 2021.
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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