Investor profile - MA

Sean Coyle

Sean Coyle is a real estate investor and operator based in Boston-Worcester, MA-NH. Public filings show activity across 11 properties held through 3 holding companies. Recent mortgage relationships include Charles River Bank and CHRISTOS Z SIARKOS.

Contact info available

Sean's Activity

As of December 2025, public records show approximately $4.9M in recorded mortgage exposure linked to this investor across at least 4 mortgage filings and 11 properties held through 3 holding companies. Activity appears concentrated in commercial and misc assets recorded between 2017 and 2025.

Primary Geography

Boston-Worcester, MA-NH

ZIP codes: 02155, 01748, 01463, 02472, and 01568

Most recorded activity for this investor appears in MEDFORD, HOPKINTON, PEPPERELL, WATERTOWN, and UPTON.

Property Type Breakdown

Commercial29%
Misc29%
Multifamily29%
Other14%

Associated Entities (3)

STEGI LLC

MA · 6 properties · 4 mortgages

active
Incorporated on 12/01/2015 in MAMailing Address: 17 BREAKNECK HILL ROAD, HOPKINTON, 01748, MA, USA
34 SALEM ST LLC

MA · 0 properties · 0 mortgages

CHARLES RIVER BANK

MA · 20 properties · 0 mortgages

active
Incorporated on 05/01/2010 in MAMailing Address: 70 MAIN ST., MEDWAY, 02053, MA, USA

Mortgages (4)

Top Lenders

Charles River Bank
Charles River Bank

$4.7M · 3 loans

CHRISTOS Z SIARKOS
CHRISTOS Z SIARKOS

$278k · 1 loan

DateAmountStatusLenderBorrowerAddress
12/08/2025$1.7MOpenCharles River BankSTEGI LLC68 BARNARD AVE,
WATERTOWN, MA 02472
06/08/2023$1.5MOpenCharles River BankSTEGI LLC17 MAIN ST,
PEPPERELL, MA 01463
06/08/2023$1.5MOpenCharles River BankSTEGI LLC17 MAIN ST,
HOPKINTON, MA 01748

+1 more not shown

Owned Properties (11)

AddressDeeded ownerStatusConsideration
68 BARNARD AVE,
WATERTOWN, MA 02472
STEGI LLCOwns - 1 mo$1.4M
6 CHURCH ST,
HOPKINTON, MA 01748
CHARLES RIVER BANKSold$1.5M
17 MAIN ST,
PEPPERELL, MA 01463
CHARLES RIVER BANKSold$1.5M

+8 more not shown

FAQ

What type of real estate does this investor focus on?

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

What companies is Sean Coyle associated with?

Sean Coyle is associated with 3 entities based on extracted signatures from public records. Key entities include STEGI LLC, 34 SALEM ST LLC, and CHARLES RIVER BANK.

How many properties are associated with this investor?

At least 11 properties are associated with Sean Coyle and the entities they control, based on signatures extracted from recorded documents connecting Sean Coyle to the entities.

Which lenders has this investor worked with?

Recent mortgage activity references Charles River Bank and CHRISTOS Z SIARKOS, indicating a mix of lending relationships.

How recent is their activity?

Records show activity from 2017 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.

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