Investor Profile - MA

David Mackay

David Mackay is a real estate investor and operator based in Boston-Worcester, MA-NH. Public filings show activity across 9 properties held through 4 holding companies. Recent mortgage relationships include Main Street Bank.

Contact info available

David's Activity

As of June 2026, public records show approximately $1.1M in recorded mortgage exposure linked to this investor across at least 7 mortgage filings and 9 properties held through 4 holding companies. Activity appears concentrated in residential and exempt assets recorded between 2016 and 2025.

Primary Geography

Boston-Worcester, MA-NH

ZIP codes: 02128, 02453, 02118, 01752, and 02150

Most activity in EAST BOSTON, WALTHAM, BOSTON, MARLBOROUGH, and CHELSEA.

Property Type Breakdown

Residential33%
Exempt33%
Commercial22%
Other11%

Associated Entities (4)

FOURTH STREET INVESTORS LLC

MA · 1 property · 4 mortgages

inactive
Incorporated on 09/02/2016 in MAMailing Address: 4000 STONE PLACE, UNIT 110, MELROSE, 02176, MA, USA
TURRIS FUND I LLC

MA · 0 properties · 1 mortgage

inactive
Incorporated on 05/25/2010 in MAMailing Address: 4000 STONE PLACE, UNIT 110, MELROSE, 02176, MA, USA

+2 more entities not shown

Mortgages (7)

DateAmountStatusLenderBorrowerAddress
11/07/2019$3.0MClosedMain Street BankFOURTH STREET INVESTORS LLC95 4TH ST,
CHELSEA, MA 02150
03/27/2019$1.1MOpenMain Street BankTURRIS FUND I LLC238 BREMEN ST,
EAST BOSTON, MA 02128

+5 more not shown

Owned Properties (9)

AddressDeeded ownerStatusConsideration
238 BREMEN ST,
EAST BOSTON, MA 02128
CAROLINE LENDLSold$615k
238 BREMEN ST,
EAST BOSTON, MA 02128
ALEXANDRA MIGASold$615k

+7 more not shown

FAQ

What type of real estate does this investor focus on?

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

What companies is David Mackay associated with?

David Mackay is associated with 4 entities based on extracted signatures from public records. Key entities include FOURTH STREET INVESTORS LLC, TURRIS FUND I LLC, MILTON STREET INVESTORS LLC, and 796 BPR LLC.

How many properties are associated with this investor?

At least 9 properties are associated with David Mackay and the entities they control, based on signatures extracted from recorded documents connecting David Mackay to the entities.

Which lenders has this investor worked with?

Recent mortgage activity references Main Street Bank, indicating a mix of lending relationships.

How recent is their activity?

Records show activity from 2016 through 2025, with the most recent mortgage recorded in 2019.

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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