Investor Profile - MA
Stephen Karp
Stephen Karp is a real estate investor and operator based in Boston-Worcester, MA-NH. Public filings show activity across 145 properties held through 19 holding companies. Recent mortgage relationships include 432 STAR LENDER, Santander Bank, and AVALONBAY COMMUNITIES.
Stephen's Activity
As of June 2026, public records show approximately $146.0M in recorded mortgage exposure linked to this investor across at least 6 mortgage filings and 145 properties held through 19 holding companies. Activity appears concentrated in residential and vacant assets recorded between 2015 and 2026.
Associated People
Primary Geography
Boston-Worcester, MA-NH
ZIP codes: 02360, 02090, 02465, 01890, and 02359
Most activity in PLYMOUTH, WESTWOOD, WEST NEWTON, WINCHESTER, and PEMBROKE.
Property Type Breakdown
Associated Entities (19)
MA · 2 properties · 2 mortgages
MA · 0 properties · 1 mortgage
+17 more entities not shown
Mortgages (6)
Top Lenders
| Date | Amount | Status | Lender | Borrower | Address |
|---|---|---|---|---|---|
| 12/23/2022 | $38k | Open | REC ALLSTON LENDER LL | ALLSTON YARDS PARCEL B DEVELOPER LLC | 400 GUEST ST, BRIGHTON, MA 02135 |
| 08/15/2022 | $15.0M | Open | Santander Bank | PLYMOUTH EXIT 5 PHASE 2 LLC | 36 SHOPS AT 5TH WAY, PLYMOUTH, MA 02360 |
+4 more not shown
Owned Properties (145)
| Address | Deeded owner | Status | Consideration |
|---|---|---|---|
| 114A BEAVER DAM RD, PLYMOUTH, MA 02360 | PINEHILLS WATER CO INC | Sold | $1.4M |
| 20 CAMBRIDGESIDE PL, CAMBRIDGE, MA 02141 | 20 CAMBRIDGESIDE OWNER LLC | Owns - 3.7 yrs | $0 |
+143 more not shown
FAQ
What type of real estate does this investor focus on?
Associated mortgages and deeds show activity in residential, vacant, and commercial properties across Boston-Worcester, MA-NH.
What companies is Stephen Karp associated with?
Stephen Karp is associated with 19 entities based on extracted signatures from public records. Key entities include ALLSTON YARDS PARCEL B DEVELOPER LLC, NE ACQUISITIONS LLC, PINEHILLS GOLF CLUB LLC, PINEHILLS LLC, and PLYMOUTH EXIT 5 PHASE 2 LLC.
How many properties are associated with this investor?
At least 145 properties are associated with Stephen Karp and the entities they control, based on signatures extracted from recorded documents connecting Stephen Karp to the entities.
Which lenders has this investor worked with?
Recent mortgage activity references 432 STAR LENDER, Santander Bank, and AVALONBAY COMMUNITIES, indicating a mix of lending relationships.
How recent is their activity?
Records show activity from 2015 through 2026, with the most recent mortgage recorded in 2022.
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.
Elementix is not a consumer reporting agency, and this information does not constitute a consumer report. The data may not be used to make decisions about an individual's eligibility for personal credit, consumer housing, employment, insurance, or any other purpose governed by the Fair Credit Reporting Act.
Elementix may suppress certain contact indicators where legally required or where appropriate for safety or privacy reasons. Requests for removal, suppression, or correction of information must be submitted to [email protected]. Elementix reviews such requests only where required by applicable law. General objections or unsupported demands do not create a removal obligation.