Investor profile - MA

Mark Gallagher

Mark Gallagher is a real estate investor and operator based in Boston-Worcester, MA-NH. Public filings show activity across 36 properties held through 14 holding companies. Recent mortgage relationships include Lowell Five Bank, Rockland Trust, and The Village Bank.

8888887250
88888888@seal-harbor.com

Mark's Activity

As of December 2025, public records show approximately $63.5M in recorded mortgage exposure linked to this investor across at least 55 mortgage filings and 36 properties held through 14 holding companies. Activity appears concentrated in residential and multifamily assets recorded between 2013 and 2025.

Primary Geography

Boston-Worcester, MA-NH

ZIP codes: 01460, 01720, 01850, 01887, and 01824

Most recorded activity for this investor appears in LITTLETON, ACTON, LOWELL, WILMINGTON, and CHELMSFORD.

Property Type Breakdown

Residential60%
Multifamily17%
Vacant13%
Other10%

Associated Entities (14)

SEAL HARBOR LLC

MA · 8 properties · 25 mortgages

Incorporated on 03/18/2013 in MAMailing Address: 392 POST ROAD, WELLS, 04054, ME, USA
SEAL HARBOR COMPANIES LLC

MA · 22 properties · 18 mortgages

active
Incorporated on 06/11/2020 in MAMailing Address: 179 GREAT RD, SUITE 212, ACTON, 01720, MA, USA
ACTONS NEW ENGLAND VILLAGE LLC

MA · 0 properties · 3 mortgages

inactive
Incorporated on 07/14/2016 in MAMailing Address: ONE NAGOG PARK, ACTON, 01720, MA, USA

+11 more not shown

Mortgages (55)

DateAmountStatusLenderBorrowerAddress
10/07/2025$1.0MOpenThe Village BankMTM PROPERTIES LLC180 MILTON ST,
DEDHAM, MA 02026
08/01/2025$4.4MOpenLowell Five BankSEAL HARBOR COMPANIES LLC7 GROTON RD,
WESTFORD, MA 01886
06/26/2025$995kOpenThe Village BankMTM PROPERTIES LLC180 MILTON ST,
DEDHAM, MA 02026

+52 more not shown

Owned Properties (36)

AddressDeeded ownerStatusConsideration
33 STARR HILL RD,
LITTLETON, MA 01460
33 STAR BUILDERS LLCOwns - 7 mos$2.1M
95 TAYLOR ST,
LITTLETON, MA 01460
TOWN LITTLETONSold$40k
6 GROTON RD,
WESTFORD, MA 01886
SEAL HARBOR COMPANIES LLCOwns - 14 mos$333k

+33 more not shown

FAQ

What type of real estate does this investor focus on?

Associated mortgages and deeds show activity in residential, multifamily, and vacant properties across Boston-Worcester, MA-NH.

What companies is Mark Gallagher associated with?

Mark Gallagher is associated with 14 entities based on extracted signatures from public records. Key entities include SEAL HARBOR LLC, SEAL HARBOR COMPANIES LLC, ACTONS NEW ENGLAND VILLAGE LLC, WILDFLOWER VILLAGE LLC, and MTM PROPERTIES LLC.

How many properties are associated with this investor?

At least 36 properties are associated with Mark Gallagher and the entities they control, based on signatures extracted from recorded documents connecting Mark Gallagher to the entities.

Which lenders has this investor worked with?

Recent mortgage activity references Lowell Five Bank, Rockland Trust, and The Village Bank, 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.

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.

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