Investor Profile - TX

Mark Kallus

Mark Kallus is a real estate investor and operator based in Houston, TX. Public filings show activity across 16 properties held through 9 holding companies. Recent mortgage relationships include KALLUS BILLY, ELVIS F GATTIS FAMILY TRUST, and SIMMS PATRICIA.

Contact info available

Mark's Activity

As of June 2026, public records show approximately $430k in recorded mortgage exposure linked to this investor across at least 12 mortgage filings and 16 properties held through 9 holding companies. Activity appears concentrated in residential and agricultural assets recorded between 2017 and 2026.

Primary Geography

Houston, TX

ZIP codes: 77373, 77379, 77388, 76530, and 77040

Most activity in SPRING, HOUSTON, GEORGETOWN, GRANGER, and HUMBLE.

Property Type Breakdown

Residential94%
Agricultural6%

Associated Entities (9)

SERIES J A SERIES OF SHAHEEN SERIES LLC

TX · 0 properties · 3 mortgages

FIREFOX PROPERTIES LLC

TX · 4 properties · 2 mortgages

active
Incorporated on 05/08/2018 in TXMailing Address: 14010 ALICE RD, TOMBALL, 77377-6220, TX, USA

+7 more entities not shown

Mortgages (12)

Top Lenders

KALLUS BILLY
KALLUS BILLY

$160k · 2 loans

ELVIS F GATTIS FAMILY TRUST
ELVIS F GATTIS FAMILY TRUST

$112k · 1 loan

SIMMS PATRICIA
SIMMS PATRICIA

$80k · 1 loan

DateAmountStatusLenderBorrowerAddress
03/16/2026$112kOpenELVIS F GATTIS FAMILY TRUSTSERIES I A SERIES OF KLEIN SERIES LLC10014 LANDRY BLVD,
HOUSTON, TX 77070
11/10/2025$58kOpen627 TWINBROOKE LTD PARTNERSERIES C A SERIES OF KLEIN SERIES LLC4810 ELMBROOK DR,
SPRING, TX 77388

+10 more not shown

Owned Properties (16)

AddressDeeded ownerStatusConsideration
6902 FOXBROOK DR,
HUMBLE, TX 77338
FIREFOX PROPERTIES LLCOwns - 5.2 yrs$80k
4406 HIRSCHFIELD RD,
SPRING, TX 77373
SERIES G A SERIES OF SHAHEEN SERIES LLCOwns - 9.0 yrs$0

+14 more not shown

FAQ

What type of real estate does this investor focus on?

Associated mortgages and deeds show activity in residential and agricultural properties across Houston, TX.

What companies is Mark Kallus associated with?

Mark Kallus is associated with 9 entities based on extracted signatures from public records. Key entities include SERIES J A SERIES OF SHAHEEN SERIES LLC, FIREFOX PROPERTIES LLC, SERIES I A SERIES OF KLEIN SERIES LLC, SERIES H A SERIES OF KLEIN SERIES LLC, and SERIES G A SERIES OF SHAHEEN SERIES LLC.

How many properties are associated with this investor?

At least 16 properties are associated with Mark Kallus and the entities they control, based on signatures extracted from recorded documents connecting Mark Kallus to the entities.

Which lenders has this investor worked with?

Recent mortgage activity references KALLUS BILLY, ELVIS F GATTIS FAMILY TRUST, and SIMMS PATRICIA, indicating a mix of lending relationships.

How recent is their activity?

Records show activity from 2017 through 2026, with the most recent mortgage recorded in 2026.

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.

Elementix may suppress certain contact indicators where legally required or where appropriate for safety or privacy reasons. Requests for removal, suppression, or correction of information must be submitted to [email protected]. Elementix reviews such requests only where required by applicable law. General objections or unsupported demands do not create a removal obligation.