Investor Profile - MA
Douglass Karp
Douglass Karp is a real estate investor and operator based in Boston-Worcester, MA-NH. Public filings show activity across 51 properties held through 14 holding companies. Recent mortgage relationships include 432 STAR LENDER, Citizens Bank, and PNC Bank.
Douglass's Activity
As of May 2026, public records show approximately $368.4M in recorded mortgage exposure linked to this investor across at least 9 mortgage filings and 51 properties held through 14 holding companies. Activity appears concentrated in residential and industrial assets recorded between 2015 and 2026.
Associated People
Primary Geography
Boston-Worcester, MA-NH
ZIP codes: 02141, 02090, 02324, 02301, and 02118
Most activity in CAMBRIDGE, WESTWOOD, BRIDGEWATER, BROCKTON, and BOSTON.
Property Type Breakdown
Associated Entities (14)
MA · 2 properties · 2 mortgages
MA · 0 properties · 1 mortgage
+12 more entities not shown
Mortgages (9)
Top Lenders
| Date | Amount | Status | Lender | Borrower | Address |
|---|---|---|---|---|---|
| 05/02/2025 | $35.6M | Open | PNC Bank | NEW WESTGATE MALL LLC | 500 WESTGATE DR, BROCKTON, MA 02301 |
| 12/23/2022 | $38k | Open | REC ALLSTON LENDER LL | ALLSTON YARDS PARCEL B DEVELOPER LLC | 400 GUEST ST, BRIGHTON, MA 02135 |
+7 more not shown
Owned Properties (51)
| Address | Deeded owner | Status | Consideration |
|---|---|---|---|
| 100 CAMBRIDGESIDE PL, CAMBRIDGE, MA 02141 | 100 CAMBRIDGESIDE OWNER LLC | Sold | $7k |
| 20 CAMBRIDGESIDE PL, CAMBRIDGE, MA 02141 | 20 CAMBRIDGESIDE OWNER LLC | Owns - 3.7 yrs | $0 |
+49 more not shown
FAQ
What type of real estate does this investor focus on?
Associated mortgages and deeds show activity in residential, industrial, and commercial properties across Boston-Worcester, MA-NH.
What companies is Douglass Karp associated with?
Douglass Karp is associated with 14 entities based on extracted signatures from public records. Key entities include ALLSTON YARDS PARCEL B DEVELOPER LLC, 200 STATION OWNER LLC, NEW WESTGATE MALL LLC, NE ACQUISITIONS LLC, and MEDFORD ASSOCIATES LLC.
How many properties are associated with this investor?
At least 51 properties are associated with Douglass Karp and the entities they control, based on signatures extracted from recorded documents connecting Douglass Karp to the entities.
Which lenders has this investor worked with?
Recent mortgage activity references 432 STAR LENDER, Citizens Bank, and PNC Bank, 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 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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