Investor profile - IL
Stephen Sullivan
Stephen Sullivan is a real estate investor and operator based in Chicago, IL-IN-WI. Public filings show activity across 0 properties held through 6 holding companies. Recent mortgage relationships include Byline Bank.
Stephen's Activity
As of December 2025, public records show approximately $1.4M in recorded mortgage exposure linked to this investor across at least 2 mortgage filings and 0 properties held through 6 holding companies. Activity appears recorded between 2011 and 2025.
Associated People
Primary Geography
Chicago, IL-IN-WI
Associated Entities (6)
IL · 0 properties · 2 mortgages
IL · 0 properties · 0 mortgages
IL · 0 properties · 0 mortgages
+3 more not shown
Mortgages (2)
Top Lenders
| Date | Amount | Status | Lender | Borrower | Address |
|---|---|---|---|---|---|
| 04/25/2011 | $1.1M | Open | Byline Bank | BUZKO LLC | 660 POND DR, WOOD DALE, IL 60191 |
| 04/25/2011 | $331k | Open | Byline Bank | BUZKO LLC | 535 KINGSTON BLVD, MCHENRY, IL 60050 |
+0 more not shown
Owned Properties (0)
| Address | Deeded owner | Status | Consideration |
|---|
+0 more not shown
FAQ
What type of real estate does this investor focus on?
Associated mortgages and deeds show activity in properties across Chicago, IL-IN-WI.
What companies is Stephen Sullivan associated with?
Stephen Sullivan is associated with 6 entities based on extracted signatures from public records. Key entities include BUZKO LLC, 1012 W WILLIAM LLC, SOS DEVELOPMENTS LLC, 1835 NORDIC ROAD LLC, and ORCHARD PROPERTIES INC.
How many properties are associated with this investor?
At least 0 properties are associated with Stephen Sullivan and the entities they control, based on signatures extracted from recorded documents connecting Stephen Sullivan to the entities.
Which lenders has this investor worked with?
Recent mortgage activity references Byline Bank, indicating a mix of lending relationships.
How recent is their activity?
Records show activity from 2011 through 2025, with the most recent mortgage recorded in 2011.
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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