Investor profile - IL
Brian Sullivan
Brian Sullivan is a real estate investor and operator based in Chicago, IL-IN-WI. Public filings show activity across 6 properties held through 15 holding companies. Recent mortgage relationships include CITY OF CHICAGO DEPARTMENT OF LAW, GRACE AT JERUSALEM CDC, and Merchants Bank of Indiana.
Brian's Activity
As of December 2025, public records show approximately $25.6M in recorded mortgage exposure linked to this investor across at least 22 mortgage filings and 6 properties held through 15 holding companies. Activity appears concentrated in residential and commercial assets recorded between 2015 and 2025.
Associated People
Primary Geography
Chicago, IL-IN-WI
ZIP codes: 60118, 60521, 60623, 60640, and 60646
Most recorded activity for this investor appears in CHICAGO, HINSDALE, and WEST DUNDEE.
Property Type Breakdown
Associated Entities (15)
IL · 15 properties · 10 mortgages
IL · 8 properties · 5 mortgages
IL · 2 properties · 2 mortgages
+12 more not shown
Mortgages (22)
Top Lenders
$12.6M · 2 loans
$5.7M · 2 loans
$4.1M · 1 loan
| Date | Amount | Status | Lender | Borrower | Address |
|---|---|---|---|---|---|
| 11/19/2025 | $54k | Open | FIRST COMMUNITY BANK HILLSBORO | SULLIVAN PROPERTIES LLC | 638 ECCLES ST, HILLSBORO, IL 62049 |
| 04/28/2025 | $75k | Open | FIRST COMMUNITY BANK HILLSBORO | SULLIVAN PROPERTIES LLC | 525 S OAK ST, HILLSBORO, IL 62049 |
| 05/07/2024 | $30k | Open | FIRST COMMUNITY BANK HILLSBORO | SULLIVAN PROPERTIES LLC | 527 S OAK ST, HILLSBORO, IL 62049 |
+19 more not shown
Owned Properties (6)
| Address | Deeded owner | Status | Consideration |
|---|---|---|---|
| 3401 W OGDEN AVE, CHICAGO, IL 60623 | GRACE MANOR LP | Owns - 2.2 yrs | $0 |
| 526 MARKET LOOP, WEST DUNDEE, IL 60118 | CASTLEBROOK PROPERTIES LLC | Owns - 4.2 yrs | $395k |
| 5940 N KNOX AVE, CHICAGO, IL 60646 | JANET I U S BANK NA | Owns - 5.8 yrs | $379k |
+3 more not shown
FAQ
What type of real estate does this investor focus on?
Associated mortgages and deeds show activity in residential, commercial, and vacant properties across Chicago, IL-IN-WI.
What companies is Brian Sullivan associated with?
Brian Sullivan is associated with 15 entities based on extracted signatures from public records. Key entities include SULLIVAN PROPERTIES LLC, GRACE MANOR LP, CASTLEBROOK PROPERTIES LLC, SULLIVAN BUILDERS INC, and ST JAMES AVE INVESTMENT PROPERTIES LLC.
How many properties are associated with this investor?
At least 6 properties are associated with Brian Sullivan and the entities they control, based on signatures extracted from recorded documents connecting Brian Sullivan to the entities.
Which lenders has this investor worked with?
Recent mortgage activity references CITY OF CHICAGO DEPARTMENT OF LAW, GRACE AT JERUSALEM CDC, and Merchants Bank of Indiana, indicating a mix of lending relationships.
How recent is their activity?
Records show activity from 2015 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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