Investor profile - MA
Jon Rotenberg
Jon Rotenberg is a real estate investor and operator based in Boston-Worcester, MA-NH. Public filings show activity across 2 properties held through 7 holding companies. Recent mortgage relationships include Brookline Bank and ALLIED CAPITAL PROPERTIES.
Jon's Activity
As of December 2025, public records show approximately $18.2M in recorded mortgage exposure linked to this investor across at least 22 mortgage filings and 2 properties held through 7 holding companies. Activity appears concentrated in residential assets recorded between 2014 and 2025.
Primary Geography
Boston-Worcester, MA-NH
ZIP codes: 02116
Most recorded activity for this investor appears in BOSTON.
Property Type Breakdown
Associated Entities (7)
MA · 0 properties · 12 mortgages
MA · 0 properties · 7 mortgages
MA · 0 properties · 1 mortgage
+4 more not shown
Mortgages (22)
Top Lenders
$18.2M · 12 loans
$0 · 0 loans
| Date | Amount | Status | Lender | Borrower | Address |
|---|---|---|---|---|---|
| 12/02/2024 | $250k | Closed | Brookline Bank | 112 NEWBURY STREET LLC | 110 NEWBURY ST, BOSTON, MA 02116 |
| 03/11/2022 | $150k | Closed | Brookline Bank | 112 NEWBURY STREET LLC | 110 NEWBURY ST, BOSTON, MA 02116 |
| 03/11/2022 | $5.2M | Open | Brookline Bank | 557 561 BOYLSTON STREET LLC | 557 BOYLSTON ST, BOSTON, MA 02116 |
+19 more not shown
Owned Properties (2)
| Address | Deeded owner | Status | Consideration |
|---|---|---|---|
| 300 BOYLSTON ST, BOSTON, MA 02116 518 | TRUSTEE RICHARD G DAGGENHURST | Owns - 17 mos | $2.4M |
| 300 BOYLSTON ST, BOSTON, MA 02116 518 | JON ROTENBERG | Sold | $3.8M |
+0 more not shown
FAQ
What type of real estate does this investor focus on?
Associated mortgages and deeds show activity in residential properties across Boston-Worcester, MA-NH.
What companies is Jon Rotenberg associated with?
Jon Rotenberg is associated with 7 entities based on extracted signatures from public records. Key entities include 112 NEWBURY STREET LLC, 557 561 BOYLSTON STREET LLC, 110 NEWBURY STREET LLC, MANAGER OF 112 NEWBURY STREET LLC, and REGAL HOLDINGS LLC.
How many properties are associated with this investor?
At least 2 properties are associated with Jon Rotenberg and the entities they control, based on signatures extracted from recorded documents connecting Jon Rotenberg to the entities.
Which lenders has this investor worked with?
Recent mortgage activity references Brookline Bank and ALLIED CAPITAL PROPERTIES, indicating a mix of lending relationships.
How recent is their activity?
Records show activity from 2014 through 2025, 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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