Investor profile - MA
Adam Siegel
Adam Siegel is a real estate investor and operator based in Boston-Worcester, MA-NH. Public filings show activity across 37 properties held through 17 holding companies. Recent mortgage relationships include Cambridge Savings Bank, First Boston Capital Partners, and theLender.
Adam's Activity
As of December 2025, public records show approximately $16.3M in recorded mortgage exposure linked to this investor across at least 17 mortgage filings and 37 properties held through 17 holding companies. Activity appears concentrated in residential and misc assets recorded between 2013 and 2025.
Primary Geography
Boston-Worcester, MA-NH
ZIP codes: 02140, 02139, 02138, 01880, and 01760
Most recorded activity for this investor appears in CAMBRIDGE, WAKEFIELD, NATICK, STOW, and MARLBOROUGH.
Property Type Breakdown
Associated Entities (17)
MA · 0 properties · 10 mortgages
MA · 1 property · 4 mortgages
MA · 0 properties · 1 mortgage
+14 more not shown
Mortgages (17)
Top Lenders
| Date | Amount | Status | Lender | Borrower | Address |
|---|---|---|---|---|---|
| 10/29/2025 | $5.5M | Open | Cambridge Savings Bank | OND 1740 INVESTORS LLC | 1740 MASSACHUSETTS AVE, CAMBRIDGE, MA 02138 |
| 03/14/2025 | $3.5M | Open | First Boston Capital Partners | 95 99 ELMWOOD STREET LLC | - |
| 12/04/2024 | $850k | Open | First Boston Capital Partners | 95 99 ELMWOOD STREET LLC | 97 ELMWOOD ST, CAMBRIDGE, MA 02140 203 |
+14 more not shown
Owned Properties (37)
| Address | Deeded owner | Status | Consideration |
|---|---|---|---|
| 1740 MASSACHUSETTS AVE, CAMBRIDGE, MA 02138 | OND 1740 INVESTORS LLC | Owns - 2 mos | $8.5M |
| 97 ELMWOOD ST, CAMBRIDGE, MA 02140 203 | KEVIN LYNCH | Sold | $1.3M |
| 97 ELMWOOD ST, CAMBRIDGE, MA 02140 203 | 95 99 ELMWOOD STREET LLC | Sold | $0 |
+34 more not shown
FAQ
What type of real estate does this investor focus on?
Associated mortgages and deeds show activity in residential, misc, and commercial properties across Boston-Worcester, MA-NH.
What companies is Adam Siegel associated with?
Adam Siegel is associated with 17 entities based on extracted signatures from public records. Key entities include 95 99 ELMWOOD STREET LLC, MODERN GUEST HOUSE LLC, 19 FLORENCE STREET LLC, 50 JAY REDEVELOPMENT LLC, and OND 1740 INVESTORS LLC.
How many properties are associated with this investor?
At least 37 properties are associated with Adam Siegel and the entities they control, based on signatures extracted from recorded documents connecting Adam Siegel to the entities.
Which lenders has this investor worked with?
Recent mortgage activity references Cambridge Savings Bank, First Boston Capital Partners, and theLender, indicating a mix of lending relationships.
How recent is their activity?
Records show activity from 2013 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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