Investor Profile - MA
Stephen Siuda
Stephen Siuda is a real estate investor and operator based in Boston-Worcester, MA-NH. Public filings show activity across 77 properties held through 35 holding companies. Recent mortgage relationships include Cardinal Capital Group, Winchester Savings Bank, and RF Boston.
Stephen's Activity
As of June 2026, public records show approximately $60.6M in recorded mortgage exposure linked to this investor across at least 52 mortgage filings and 77 properties held through 35 holding companies. Activity appears concentrated in residential and exempt assets recorded between 2017 and 2026.
Associated People
Primary Geography
Boston-Worcester, MA-NH
ZIP codes: 02124, 02144, 02140, 02121, and 02138
Most activity in SOMERVILLE, CAMBRIDGE, DORCHESTER CENTER, DORCHESTER, and MELROSE.
Property Type Breakdown
Associated Entities (35)
MA · 1 property · 5 mortgages
MA · 1 property · 4 mortgages
+33 more entities not shown
Mortgages (52)
Top Lenders
| Date | Amount | Status | Lender | Borrower | Address |
|---|---|---|---|---|---|
| 05/19/2026 | $1.6M | Open | Cardinal Capital Group | 108 CLAY ST LLC | 108 CLAY ST, CAMBRIDGE, MA 02140 |
| 04/28/2026 | $2.6M | Open | RF Boston | ASSISI HOLDINGS LLC | 21 SAINT CLARE RD, MEDFORD, MA 02155 |
+50 more not shown
Owned Properties (77)
| Address | Deeded owner | Status | Consideration |
|---|---|---|---|
| 243 LEXINGTON AVE, CAMBRIDGE, MA 02138 | 243 LEXINGTON AVE LLC | Owns - 5 mos | $2.3M |
| 182 LARCH RD, CAMBRIDGE, MA 02138 | 182 LARCH RD LLC | Owns - 6 mos | $1.9M |
+75 more not shown
FAQ
What type of real estate does this investor focus on?
Associated mortgages and deeds show activity in residential, exempt, and vacant properties across Boston-Worcester, MA-NH.
What companies is Stephen Siuda associated with?
Stephen Siuda is associated with 35 entities based on extracted signatures from public records. Key entities include 27 ALEWIFE LLC, 78 BOLTON ST LLC, 500 E4 STREET LLC, 178 LARCH RD LLC, and 243 LEXINGTON AVE LLC.
How many properties are associated with this investor?
At least 77 properties are associated with Stephen Siuda and the entities they control, based on signatures extracted from recorded documents connecting Stephen Siuda to the entities.
Which lenders has this investor worked with?
Recent mortgage activity references Cardinal Capital Group, Winchester Savings Bank, and RF Boston, indicating a mix of lending relationships.
How recent is their activity?
Records show activity from 2017 through 2026, with the most recent mortgage recorded in 2026.
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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