Investor profile - TX

Diane Delong

Diane Delong is a real estate investor and operator based in Austin, TX. Public filings show activity across 2 properties held through 4 holding companies. Recent mortgage relationships include Colliers Mortgage and R BANK.

Contact info available

Diane's Activity

As of December 2025, public records show approximately $3.7M in recorded mortgage exposure linked to this investor across at least 6 mortgage filings and 2 properties held through 4 holding companies. Activity appears concentrated in residential and multifamily assets recorded between 2014 and 2022.

Primary Geography

Austin, TX

ZIP codes: 78211 and 78641

Most recorded activity for this investor appears in LEANDER and SAN ANTONIO.

Property Type Breakdown

Residential50%
Multifamily50%

Associated Entities (4)

SITTERLE HOMES AUSTIN LLC

TX · 175 properties · 1,405 mortgages

active
Incorporated on 05/22/2009 in TXMailing Address: 2015 EVAN RD STE 100, SAN ANTONIO, 78258, TX, USA
737 WEST MAYFIELD LLC

TX · 0 properties · 3 mortgages

inactive
Incorporated on 11/04/2014 in TXMailing Address: 21803 BRIARCLIFF DR, SPICEWOOD, 78669, TX, USA
TRIPLE CROWN APTS LLC

TX · 1 property · 2 mortgages

inactive
Incorporated on 06/27/2016 in TXMailing Address: 1313 PASA TIEMPO, LEANDER, 78641-3639, TX, USA

+1 more not shown

Mortgages (6)

Top Lenders

DateAmountStatusLenderBorrowerAddress
03/07/2019$2.7MClosedColliers MortgageTRIPLE CROWN APTS LLC-
07/16/2018$1.5MOpenR BANKTEXCEL EMILY LLC-
12/19/2016$785kOpenColliers Mortgage737 WEST MAYFIELD LLC-

+3 more not shown

Owned Properties (2)

AddressDeeded ownerStatusConsideration
1313 PASA TIEMPO,
LEANDER, TX 78641
ROBERT DELONGOwns - 4.0 yrs$809k
737 W MAYFIELD BLVD,
SAN ANTONIO, TX 78211
737 WEST MAYFIELD LLCSold$1.8M

+0 more not shown

FAQ

What type of real estate does this investor focus on?

Associated mortgages and deeds show activity in residential and multifamily properties across Austin, TX.

What companies is Diane Delong associated with?

Diane Delong is associated with 4 entities based on extracted signatures from public records. Key entities include SITTERLE HOMES AUSTIN LLC, 737 WEST MAYFIELD LLC, TRIPLE CROWN APTS LLC, and TEXCEL EMILY LLC.

How many properties are associated with this investor?

At least 2 properties are associated with Diane Delong and the entities they control, based on signatures extracted from recorded documents connecting Diane Delong to the entities.

Which lenders has this investor worked with?

Recent mortgage activity references Colliers Mortgage and R BANK, indicating a mix of lending relationships.

How recent is their activity?

Records show activity from 2014 through 2022, with the most recent mortgage recorded in 2019.

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 compliance@elementix.ai. Elementix reviews such requests only where required by applicable law or where information is factually inaccurate. General objections or unsupported demands do not create a removal obligation.