Investor profile - MA
Sean Donlon
Sean Donlon is a real estate investor and operator based in Boston-Worcester, MA-NH. Public filings show activity across 31 properties held through 11 holding companies. Recent mortgage relationships include NORTHMARK BANK, The Village Bank, and VILLAGE BANK.
Sean's Activity
As of December 2025, public records show approximately $11.0M in recorded mortgage exposure linked to this investor across at least 21 mortgage filings and 31 properties held through 11 holding companies. Activity appears concentrated in residential and multifamily assets recorded between 2013 and 2024.
Primary Geography
Boston-Worcester, MA-NH
ZIP codes: 02453, 02451, 02452, 01748, and 01702
Most recorded activity for this investor appears in WALTHAM, HOPKINTON, and FRAMINGHAM.
Property Type Breakdown
Associated Entities (11)
MA · 0 properties · 7 mortgages
MA · 5 properties · 5 mortgages
MA · 0 properties · 3 mortgages
+8 more not shown
Mortgages (21)
Top Lenders
| Date | Amount | Status | Lender | Borrower | Address |
|---|---|---|---|---|---|
| 12/17/2024 | $825k | Open | The Village Bank | K&D PROPERTY HOLDINGS LLC | 14 PIERMONT ST, WATERTOWN, MA 02472 |
| 12/17/2024 | $825k | Open | VILLAGE BANK | K & D PROPERTY HOLDINGS LLC | 14 PIEDMONT AVE, WALTHAM, MA 02451 |
| 03/16/2022 | $750k | Open | NORTHMARK BANK | K & D PROPERTY HOLDINGS LLC | 20 COLLEGE FARM RD, WALTHAM, MA 02451 |
+18 more not shown
Owned Properties (31)
| Address | Deeded owner | Status | Consideration |
|---|---|---|---|
| 27 MCKENN ST, WALTHAM, MA 02453 | K&D PROPERTY HOLDINGS LLC | Sold | $1.8M |
| 35 NATHAN RD, WALTHAM, MA 02453 | 100 BEDFORD STREET DEVELOPMENT LLC | Owns - 4.5 yrs | $620k |
| 133 ASH ST, WALTHAM, MA 02453 | ILISE KRIEGER | Sold | $820k |
+28 more not shown
FAQ
What type of real estate does this investor focus on?
Associated mortgages and deeds show activity in residential and multifamily properties across Boston-Worcester, MA-NH.
What companies is Sean Donlon associated with?
Sean Donlon is associated with 11 entities based on extracted signatures from public records. Key entities include K & D PROPERTY HOLDINGS LLC, K&D PROPERTY HOLDINGS LLC, K & D HOMES LLC, 29 ORANGE STREET DEVELOPMENT LLC, and 100 BEDFORD STREET DEVELOPMENT LLC.
How many properties are associated with this investor?
At least 31 properties are associated with Sean Donlon and the entities they control, based on signatures extracted from recorded documents connecting Sean Donlon to the entities.
Which lenders has this investor worked with?
Recent mortgage activity references NORTHMARK BANK, The Village Bank, and VILLAGE BANK, indicating a mix of lending relationships.
How recent is their activity?
Records show activity from 2013 through 2024, 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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