Investor Profile - CA

Mark Sustana

Mark Sustana is a real estate investor and operator based in Los Angeles, CA. Public filings show activity across 55,391 properties held through 8 holding companies. Recent mortgage relationships include BARRETT WINN, DUMBARTON AREA 2, and GDC INVESTMENTS 6.

Contact info available

Mark's Activity

As of June 2026, public records show approximately $286.2M in recorded mortgage exposure linked to this investor across at least 72 mortgage filings and 55,391 properties held through 8 holding companies. Activity appears concentrated in residential assets recorded between 2016 and 2026.

Primary Geography

Los Angeles, CA

ZIP codes: 92618, 95762, 92407, 95624, and 95747

Most activity in IRVINE, EL DORADO HILLS, SACRAMENTO, MENIFEE, and ELK GROVE.

Property Type Breakdown

Residential100%

Associated Entities (8)

LENNAR HOMES OF CALIFORNIA INC

CA · 543 properties · 55 mortgages

Incorporated on 03/04/1996 in CAMailing Address: 700 N.W. 107TH AVENUE, SUITE 400, MIAMI, 33172, FL, United States
CALATLANTIC GROUP INC

CA · 473 properties · 7 mortgages

Incorporated on 02/12/2018 in CAMailing Address: 700 NW 107TH AVE., SUITE 400, MIAMI, 33172, FL, United States

+6 more entities not shown

Mortgages (72)

Top Lenders

BARRETT WINN
BARRETT WINN

$64.2M · 3 loans

DUMBARTON AREA 2
DUMBARTON AREA 2

$60.2M · 1 loan

GDC INVESTMENTS 6
GDC INVESTMENTS 6

$34.6M · 1 loan

DateAmountStatusLenderBorrowerAddress
05/08/2026$541kOpenFreedom MortgageLENNAR MORTGAGE LLC2328 CHRISTIANSEN CIR,
WOODLAND, CA 95776
06/20/2024$546kOpenLennar MortgageLENNAR HOMES OF CALIFORNIA INC-

+70 more not shown

Owned Properties (55,391)

AddressDeeded ownerStatusConsideration
COMMUNITY DR,
SHAFTER, CA
LENNAR HOMES OF CALIFORNIA INCOwns - 9 mos$0
4059 SAGEBRUSH RD,
MADERA, CA 93636
LENNAR HOMES OF CALIFORNIA LLCSold$1.3M

+55389 more not shown

FAQ

What type of real estate does this investor focus on?

Associated mortgages and deeds show activity in residential properties across Los Angeles, CA.

What companies is Mark Sustana associated with?

Mark Sustana is associated with 8 entities based on extracted signatures from public records. Key entities include LENNAR HOMES OF CALIFORNIA INC, CALATLANTIC GROUP INC, LENNAR MORTGAGE LLC, LENNAR FRESNO INC, and RYLAND HOMES OF CALIFORNIA INC.

How many properties are associated with this investor?

At least 55,391 properties are associated with Mark Sustana and the entities they control, based on signatures extracted from recorded documents connecting Mark Sustana to the entities.

Which lenders has this investor worked with?

Recent mortgage activity references BARRETT WINN, DUMBARTON AREA 2, and GDC INVESTMENTS 6, indicating a mix of lending relationships.

How recent is their activity?

Records show activity from 2016 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.