Investor profile - OK

William Koenig

William Koenig is a real estate investor and operator based in Oklahoma City, OK. Public filings show activity across 59 properties held through 24 holding companies. Recent mortgage relationships include Frontier State Bank, International Bank of Commerce, and American Heritage Bank.

Contact info available

William's Activity

As of December 2025, public records show approximately $288.9M in recorded mortgage exposure linked to this investor across at least 403 mortgage filings and 59 properties held through 24 holding companies. Activity appears concentrated in residential and vacant assets recorded between 2010 and 2025.

Primary Geography

Oklahoma City, OK

ZIP codes: 74857, 73026, 73020, 73045, and 73044

Most recorded activity for this investor appears in NEWALLA, OKLAHOMA CITY, NORMAN, CHOCTAW, and HARRAH.

Property Type Breakdown

Residential93%
Vacant5%
Industrial2%

Associated Entities (24)

SUNNYLANE RENTALS LLC

OK · 7 properties · 37 mortgages

inactive
Incorporated on 07/08/2019 in OK
SURFACE LAND INVESTMENTS LLC

OK · 0 properties · 35 mortgages

active
Incorporated on 10/19/2021 in OKMailing Address: 6180 BOUCHER DRIVE, EDMOND, 73034, OK, USA
ROSEBUD RENTALS LLC

OK · 15 properties · 33 mortgages

active
Incorporated on 04/30/2018 in OKMailing Address: 6180 BOUCHER DRIVE, EDMOND, 73034, OK, USA

+21 more not shown

Mortgages (403)

DateAmountStatusLenderBorrowerAddress
11/24/2025$562kOpenCentral Bank of OklahomaCSK PROPERTIES LLC809 S HARRAH RD,
HARRAH, OK 73045
11/21/2025$562kOpenThe Central Trust BankCSK PROPERTIES LLC2400 180TH AVE,
NORMAN, OK 73026
11/21/2025$562kOpenThe Central Trust BankCSK PROPERTIES LLC12606 STEVENS RD,
SHAWNEE, OK 74804

+400 more not shown

Owned Properties (59)

AddressDeeded ownerStatusConsideration
8300 SOWELL RD,
CHOCTAW, OK 73020
HOMECASHOFFER LLCOwns - 5 mos$0
6625 N COLTRANE RD,
EDMOND, OK 73034
SHAW HOMES INCSold$3.0M
1407 E BURRIS RD,
STILLWATER, OK 74075
HILLTOP LAND INVESTMENTS LLCOwns - 4.1 yrs$390k

+56 more not shown

FAQ

What type of real estate does this investor focus on?

Associated mortgages and deeds show activity in residential, vacant, and industrial properties across Oklahoma City, OK.

What companies is William Koenig associated with?

William Koenig is associated with 24 entities based on extracted signatures from public records. Key entities include SUNNYLANE RENTALS LLC, SURFACE LAND INVESTMENTS LLC, ROSEBUD RENTALS LLC, SELECT RENTALS LLC, and BAREFOOT HOMES LLC.

How many properties are associated with this investor?

At least 59 properties are associated with William Koenig and the entities they control, based on signatures extracted from recorded documents connecting William Koenig to the entities.

Which lenders has this investor worked with?

Recent mortgage activity references Frontier State Bank, International Bank of Commerce, and American Heritage Bank, indicating a mix of lending relationships.

How recent is their activity?

Records show activity from 2010 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.

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.

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