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Company Profile

Millbrook Real Estate Company

Commercial DeveloperMultifamily Owner-Operator
millbrookrec.com
485 E Half Day Road, Buffalo Grove, IL 60089

Privately owned investor, developer, and manager of Class A commercial office properties, including office parks, office towers, and flex buildings. They develop in-house, acquire existing properties, and provide property management services with senior-level teams emphasizing tenant service.

Key Statistics

As of June 2026, public records show Millbrook Real Estate Company has $80.3M in total recorded mortgage volume across 8 mortgages, with 15 current property ownerships held through 9 confirmed entities.

Total Mortgage Volume

$72.3M

Current Ownerships

15

Confirmed Entities

9

Associated People

10

Entities (9)

Millbrook Real Estate Company operates through 9 confirmed holding companies and entities identified from public records.

MILLBROOK ELEVEN LLC

IL · 1 property · 2 mortgages

active
Incorporated on 08/16/2005 in IL
MILLBROOK LISLE 701 LLC

IL · 1 property · 1 mortgage

active
Incorporated on 11/06/2013 in IL
MILLBROOK I LLC

IL · 0 properties · 1 mortgage

active
Incorporated on 03/03/1998 in IL
MILLER 83 LLC

IL · 3 properties · 1 mortgage

active
Incorporated on 05/10/2017 in IL
MANSFIELD INVESTMENTS LLC

IL · 9 properties · 1 mortgage

active
Incorporated on 06/28/2017 in IL

+4 more entities not shown

People (10)

Properties (15)

AddressEntityStatusConsideration
1041 W ADDISON ST,
CHICAGO, IL 60613
ADDISON NORTHSIDE CORPOwns$17.6M
3701 W LAKE AVE,
GLENVIEW, IL 60026
MILLBROOK GLENVIEW LLCSold$2.0M
1108 18TH AVE,
ROCK ISLAND, IL 61201
MILLER 83 LLCOwns$0

+13 more not shown

Top Lenders

The following lenders have the most recorded mortgage volume with Millbrook Real Estate Company entities.

Geography

Millbrook Real Estate Company has recorded real estate activity in the following states.

Illinois

FAQ

What does Millbrook Real Estate Company do?

Privately owned investor, developer, and manager of Class A commercial office properties, including office parks, office towers, and flex buildings. They develop in-house, acquire existing properties, and provide property management services with senior-level teams emphasizing tenant service.

How many entities are associated with Millbrook Real Estate Company?

Millbrook Real Estate Company operates through 9 confirmed entities identified from signatures on recorded documents. Key entities include MILLBROOK ELEVEN LLC, MILLBROOK LISLE 701 LLC, and MILLBROOK I LLC.

Who are the key people at Millbrook Real Estate Company?

Public records and filings associate 10 individuals with Millbrook Real Estate Company. Key people include Justin Miller (Manager), Jennifer Sweeney (President (also Executive Director of Property Management/Leasing)), and Harvey Miller (Founder).

How many properties does Millbrook Real Estate Company own?

Public records show 15 current property ownerships associated with Millbrook Real Estate Company entities, with $72.3M in total recorded mortgage volume.

Which lenders has Millbrook Real Estate Company worked with?

Top lending relationships include JPMorgan Chase Bank, Lake Forest Bank & Trust Company, N.A., and GAS AND ELECTRIC CREDIT UNION, based on recorded mortgage data.

How is this data collected?

Elementix aggregates data from recorded real estate documents, business filings, and other lawfully available sources. We use AI to extract signatures, identify entity relationships, and connect people to the companies they operate through.

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.

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.

Requests for removal, suppression, or correction of information must be submitted to [email protected]. Elementix reviews such requests only where required by applicable law.