Investor profile - TX

Sam Thornal

Sam Thornal is a real estate investor and operator based in Dallas-Fort Worth, TX. Public filings show activity across 4 properties held through 10 holding companies. Recent mortgage relationships include First United Bank, Frost Bank, and UMB BANK NA.

Contact info available

Sam's Activity

As of December 2025, public records show approximately $4.8M in recorded mortgage exposure linked to this investor across at least 10 mortgage filings and 4 properties held through 10 holding companies. Activity appears concentrated in commercial and office assets recorded between 2012 and 2023.

Primary Geography

Dallas-Fort Worth, TX

ZIP codes: 75093, 75070, and 75229

Most recorded activity for this investor appears in PLANO, MCKINNEY, and DALLAS.

Property Type Breakdown

Commercial75%
Office25%

Associated Entities (10)

STOC LLC

TX · 0 properties · 3 mortgages

WINDFALL PROFIT SERIES SOUTHERN HILLS 2 A SERIES OF WINDFALL PROFIT LLC

TX · 0 properties · 2 mortgages

WINDFALL PROFIT LLC

TX · 0 properties · 1 mortgage

active
Incorporated on 12/03/2007 in TXMailing Address: 3004 COMMUNICATIONS PKWY STE 100C, PLANO, 75093, TX, USA

+7 more not shown

Mortgages (10)

DateAmountStatusLenderBorrowerAddress
04/02/2020$484kOpenUMB BANK NABOSS SYSTEMS LLC SERIES REALTY2511 MERRELL RD,
DALLAS, TX 75229
03/31/2020$545kOpenUMB BANK NAWINDFALL PROFIT SERIES SOUTHERN HILLS 2 A SERIES OF WINDFALL PROFIT LLC8751 COLLIN MCKINNEY PKWY,
MCKINNEY, TX 75070
03/01/2019$561kOpenFirst United BankWINDFALL PROFIT SERIES SOUTHERN HILLS 2 A SERIES OF WINDFALL PROFIT LLC-

+7 more not shown

Owned Properties (4)

AddressDeeded ownerStatusConsideration
8751 COLLIN MCKINNEY PKWY,
MCKINNEY, TX 75070
HAP HOLDINGS LLCSold$302k
2511 MERRELL RD,
DALLAS, TX 75229
BOSS SYSTEMS LLC SERIES REALTYOwns - 8.0 yrs$643k
3004 COMMUNICATIONS PKWY,
PLANO, TX 75093
STOC LLCSold$1.4M

+1 more not shown

FAQ

What type of real estate does this investor focus on?

Associated mortgages and deeds show activity in commercial and office properties across Dallas-Fort Worth, TX.

What companies is Sam Thornal associated with?

Sam Thornal is associated with 10 entities based on extracted signatures from public records. Key entities include STOC LLC, WINDFALL PROFIT SERIES SOUTHERN HILLS 2 A SERIES OF WINDFALL PROFIT LLC, WINDFALL PROFIT LLC, BOSS SYSTEMS LLC SERIES REALTY A SERIES OF BOSS SYSTEMS LLC, and BOSS SYSTEMS LLC.

How many properties are associated with this investor?

At least 4 properties are associated with Sam Thornal and the entities they control, based on signatures extracted from recorded documents connecting Sam Thornal to the entities.

Which lenders has this investor worked with?

Recent mortgage activity references First United Bank, Frost Bank, and UMB BANK NA, indicating a mix of lending relationships.

How recent is their activity?

Records show activity from 2012 through 2023, with the most recent mortgage recorded in 2020.

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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