Investor profile - MA
Zacharias Siarkos
Zacharias Siarkos is a real estate investor and operator based in Boston-Worcester, MA-NH. Public filings show activity across 10 properties held through 3 holding companies. Recent mortgage relationships include Charles River Bank, Bay Colony Development Corp., and CHRISTOS Z SIARKOS.
Zacharias's Activity
As of December 2025, public records show approximately $9.2M in recorded mortgage exposure linked to this investor across at least 14 mortgage filings and 10 properties held through 3 holding companies. Activity appears concentrated in multifamily and misc assets recorded between 2011 and 2025.
Associated People
Primary Geography
Boston-Worcester, MA-NH
ZIP codes: 01748, 01463, 01749, 01568, and 02472
Most recorded activity for this investor appears in HOPKINTON, PEPPERELL, HUDSON, UPTON, and WATERTOWN.
Property Type Breakdown
Associated Entities (3)
MA · 2 properties · 5 mortgages
MA · 0 properties · 5 mortgages
MA · 6 properties · 4 mortgages
Mortgages (14)
Top Lenders
$6.8M · 7 loans
$1.5M · 2 loans
$278k · 1 loan
| Date | Amount | Status | Lender | Borrower | Address |
|---|---|---|---|---|---|
| 12/08/2025 | $1.7M | Open | Charles River Bank | STEGI LLC | 68 BARNARD AVE, WATERTOWN, MA 02472 |
| 06/08/2023 | $1.5M | Open | Charles River Bank | STEGI LLC | 17 MAIN ST, PEPPERELL, MA 01463 |
| 06/08/2023 | $1.5M | Open | Charles River Bank | STEGI LLC | 17 MAIN ST, HOPKINTON, MA 01748 |
+11 more not shown
Owned Properties (10)
| Address | Deeded owner | Status | Consideration |
|---|---|---|---|
| 68 BARNARD AVE, WATERTOWN, MA 02472 | STEGI LLC | Owns - 1 mo | $1.4M |
| 17 MAIN ST, HOPKINTON, MA 01748 | STEGI LLC | Sold | $875k |
| 6 CHURCH ST, HOPKINTON, MA 01748 | CHARLES RIVER BANK | Sold | $1.5M |
+7 more not shown
FAQ
What type of real estate does this investor focus on?
Associated mortgages and deeds show activity in multifamily, misc, and residential properties across Boston-Worcester, MA-NH.
What companies is Zacharias Siarkos associated with?
Zacharias Siarkos is associated with 3 entities based on extracted signatures from public records. Key entities include 28 MAIN STREET LLC, SV EXPANSION LLC, and STEGI LLC.
How many properties are associated with this investor?
At least 10 properties are associated with Zacharias Siarkos and the entities they control, based on signatures extracted from recorded documents connecting Zacharias Siarkos to the entities.
Which lenders has this investor worked with?
Recent mortgage activity references Charles River Bank, Bay Colony Development Corp., and CHRISTOS Z SIARKOS, indicating a mix of lending relationships.
How recent is their activity?
Records show activity from 2011 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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