Investor Profile - IL
Thomas Bernau
Thomas Bernau is a real estate investor and operator based in Chicago, IL-IN-WI. Public filings show activity across 37 properties held through 33 holding companies. Recent mortgage relationships include CIBC Bank USA, CIBC BK USA, and South Story Bank & Trust.
Thomas's Activity
As of June 2026, public records show approximately $82.8M in recorded mortgage exposure linked to this investor across at least 38 mortgage filings and 37 properties held through 33 holding companies. Activity appears concentrated in commercial and industrial assets recorded between 2017 and 2025.
Associated People
Primary Geography
Chicago, IL-IN-WI
ZIP codes: 60638, 60304, 60629, 60652, and 60020
Most activity in CHICAGO, OAK PARK, FOX LAKE, BLUE ISLAND, and LISLE.
Property Type Breakdown
Associated Entities (33)
IL · 1 property · 3 mortgages
IL · 2 properties · 2 mortgages
+31 more entities not shown
Mortgages (38)
Top Lenders
| Date | Amount | Status | Lender | Borrower | Address |
|---|---|---|---|---|---|
| 11/14/2025 | $2.1M | Open | South Story Bank & Trust | ATERRA 204 909 S RAND RD LAKE ZURICH LLC | 909 S RAND RD, LAKE ZURICH, IL 60047 |
| 09/08/2025 | $656k | Open | South Story Bank & Trust | ATERRA 204 909 S RAND RD LAKE ZURICH LLC | 909 S RAND RD, LAKE ZURICH, IL 60047 |
+36 more not shown
Owned Properties (37)
| Address | Deeded owner | Status | Consideration |
|---|---|---|---|
| 909 S RAND RD, LAKE ZURICH, IL 60047 | ATTERA 204 909 S RAND RD LAKE ZURICH LLC | Owns - 9 mos | $875k |
| 299 ROOSEVELT RD, GLEN ELLYN, IL 60137 | ATERRA 200 299 ROOSEVELT RD GLEN ELLYN LLC | Owns - 9 mos | $1.7M |
+35 more not shown
FAQ
What type of real estate does this investor focus on?
Associated mortgages and deeds show activity in commercial, industrial, and vacant properties across Chicago, IL-IN-WI.
What companies is Thomas Bernau associated with?
Thomas Bernau is associated with 33 entities based on extracted signatures from public records. Key entities include ATERRA 163 1340 LEE DES PLAINES LLC, ATERRA 145 1012 OGDEN AVE LISLE LLC, ATERRA 165 1038 E 9TH LOCKPORT LLC, ATERRA 158 3808 S WESTERN CHICAGO LLC, and ATERRA 142.
How many properties are associated with this investor?
At least 37 properties are associated with Thomas Bernau and the entities they control, based on signatures extracted from recorded documents connecting Thomas Bernau to the entities.
Which lenders has this investor worked with?
Recent mortgage activity references CIBC Bank USA, CIBC BK USA, and South Story Bank & Trust, indicating a mix of lending relationships.
How recent is their activity?
Records show activity from 2017 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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