Investor profile - TX

Mark Castillo

Mark Castillo is a real estate investor and operator based in San Antonio, TX. Public filings show activity across 9 properties held through 4 holding companies. Recent mortgage relationships include RANDOLPHBROOKS FCU, Texas Champion Bank, and Texas Capital Bank.

Contact info available

Mark's Activity

As of December 2025, public records show approximately $1.4M in recorded mortgage exposure linked to this investor across at least 8 mortgage filings and 9 properties held through 4 holding companies. Activity appears concentrated in residential and commercial assets recorded between 2016 and 2025.

Primary Geography

San Antonio, TX

ZIP codes: 76053, 76227, 77471, 78023, and 78148

Most recorded activity for this investor appears in SAN ANTONIO, AUSTIN, UNIVERSAL CITY, AUBREY, and HELOTES.

Property Type Breakdown

Residential88%
Commercial13%

Associated Entities (4)

CHISCA CO LLC

TX · 2 properties · 3 mortgages

active
Incorporated on 04/26/2022 in TXMailing Address: 6323 SEVILLA CIR, SAN ANTONIO, 78257-1727, TX, USA
JUST ANOTHER COUPLE LLC

TX · 0 properties · 3 mortgages

active
Incorporated on 07/23/2021 in TXMailing Address: 7319 PEBBLEWOOD, SAN ANTONIO, 78250-3132, TX, USA
ELITE CASTLE RESOURCES LLC

TX · 0 properties · 2 mortgages

active
Incorporated on 01/15/2016 in TXMailing Address: 1150 N LOOP 1604 W STE 108, SAN ANTONIO, 78248-4504, TX, USA

+1 more not shown

Mortgages (8)

DateAmountStatusLenderBorrowerAddress
08/04/2025$167kOpenTexas Capital BankELITE CASTLE RESOURCES LLC1533 VACEK LOOP,
SCHULENBURG, TX 78956
05/28/2024$270kOpenRANDOLPHBROOKS FCUCHISCA CO LLC7231 STONEWALL BND,
SAN ANTONIO, TX 78256
05/28/2024$270kOpenRANDOLPHBROOKS FCUCHISCA CO LLC7231 STONEWALL BND,
SAN ANTONIO, TX 78256

+5 more not shown

Owned Properties (9)

AddressDeeded ownerStatusConsideration
7231 STONEWALL BND,
SAN ANTONIO, TX 78256
CHISCA CO LLCOwns - 19 mos$359k
1609 SETTLEMENT WAY,
AUBREY, TX 76227
RECOVERING ALL INVESTMENTS INCSold$532k
2626 HUMBLE WAY,
ROSENBERG, TX 77471
JENNIFFER MEDRANOOwns - 3.1 yrs$602k

+6 more not shown

FAQ

What type of real estate does this investor focus on?

Associated mortgages and deeds show activity in residential and commercial properties across San Antonio, TX.

What companies is Mark Castillo associated with?

Mark Castillo is associated with 4 entities based on extracted signatures from public records. Key entities include CHISCA CO LLC, JUST ANOTHER COUPLE LLC, ELITE CASTLE RESOURCES LLC, and MCM TEXAS HOMES LLC DBA TEXAS HOMES FKA MCMILLIN TEXAS HOMES LLC.

How many properties are associated with this investor?

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

Which lenders has this investor worked with?

Recent mortgage activity references RANDOLPHBROOKS FCU, Texas Champion Bank, and Texas Capital 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 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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