Southwest Chicago Suburbs

Commercial Real Estate
Partners

Active buyers of multi-tenant commercial office properties across the Southwest Chicago suburbs. With 25+ years of experience in investment, brokerage, development, and management — we deliver results.

240K+
Square Feet Acquired Since 2017
$35M
Portfolio Value
25+
Years Experience
$90M+
Commercial Development Completed
240K+
Sq Ft Acquired
$35M
Portfolio Value
8
Active Properties
25+
Years Experience

Full-Spectrum Commercial
Real Estate Expertise

Ellsworth Partners offers end-to-end commercial real estate services built on decades of market knowledge and a disciplined, no-nonsense approach to transactions. We specialize in the suburban Chicago market.

Investment

Strategic acquisition of income-producing commercial properties in high-value suburban markets across DuPage, Will, and Kendall County.

Brokerage

Deep market relationships and local expertise help us identify and close on off-market and listed opportunities with speed and precision.

Development

Over $90 million in commercial development completed, bringing comprehensive knowledge of repositioning, renovation, and value-add projects.

Management

Hands-on property management approach focused on tenant satisfaction, NOI optimization, and maintaining best-in-class occupancy rates.

Our Property Portfolio

Each property was carefully selected following thorough due diligence. Since July 2017, we have acquired more than 240,000 square feet of real estate, building a portfolio with a value of $35 million.

1891 Bay Scott Circle, Naperville IL
1891 Bay Scott Circle
Naperville, Illinois
For Lease
Size
9,972 sq ft
Year Purchased
2018
Medical Users
2150 Manchester Road, Wheaton IL
2150 Manchester Road
Wheaton, Illinois
100% Leased
Size
15,600 sq ft
Year Purchased
2019
General Offices
3380 Lacrosse Lane, Naperville IL
3380 Lacrosse Lane
Naperville, Illinois
100% Leased
Size
10,000 sq ft
Year Purchased
2019
Medical Users & General Offices
552 S Washington Street, Naperville IL
552 S Washington Street
Naperville, Illinois
100% Leased
Size
30,000 sq ft
Year Purchased
2020
Medical Users & General Offices
3420 Lacrosse Lane, Naperville IL
3420 Lacrosse Lane
Naperville, Illinois
100% Leased
Size
8,300 sq ft
Year Purchased
2022
Medical & General Offices
1733 Park Street, Naperville IL
1733 Park Street
Naperville, Illinois
100% Leased
Size
35,382 sq ft
Year Purchased
2024
Medical & General Offices
1200 Jorie Boulevard, Oak Brook IL
1200 Jorie Boulevard
Oak Brook, Illinois
100% Leased
Size
108,539 sq ft
Year Purchased
2026
General Offices
235-239 S Washington Street, Naperville IL
235–239 S Washington Street
Naperville, Illinois
100% Leased
Size
17,750 sq ft
Year Purchased
2026
Medical & General Offices
15905 S Frederick Street, Plainfield IL
15905 S Frederick Street
Plainfield, Illinois
Sold
Size
11,000 sq ft
Year Purchased
2017
Medical Users & General Offices
119 N Ellsworth Street, Naperville, Illinois — where Ellsworth Partners was founded in 2016
2016
Founded in Naperville, IL

Built on Integrity,
Driven by Results

Ellsworth Partners was founded in 2016 by Jim Calvo and Matt Calvo. With over 20 years of experience completing more than $90 million in commercial development projects, the team brings substantial market knowledge and strong financial acumen to every transaction.

Active Acquirer

We are continuously seeking quality commercial properties in DuPage, Will, and Kendall Counties — 10,000 to 100,000 sq ft.

Track Record of Performance

Successfully grown a $35 million commercial real estate portfolio since 2017, spanning more than 240,000 square feet of high-quality office space.

Meet Our Team

Three experienced partners with deep roots in the Chicago suburban commercial real estate market.

Jim Calvo

Jim Calvo

Co-Founder & Principal

With over two decades of experience in commercial real estate development and investment, Jim brings unparalleled market knowledge and a proven track record across the Southwest Chicago suburban market.

Matt Calvo

Matt Calvo

Co-Founder & Principal

Matt combines strong financial expertise with hands-on commercial real estate experience, driving strategic acquisitions and value-add initiatives throughout Ellsworth Partners' growing portfolio.

Charlie Calvo

Charlie Calvo

Principal

Charlie brings energy and a fresh perspective to Ellsworth Partners, leading acquisitions, leasing, and client relationships across the Chicago suburban commercial real estate market.

The Ellsworth
Difference

We operate with discipline, transparency, and a long-term ownership mindset that makes us a preferred buyer across the Chicago suburban market.

01

Certainty of Close

A near-perfect closing rate and clean capital structure give sellers confidence that deals close as agreed — every time.

02

Local Market Mastery

Decades of boots-on-the-ground experience across DuPage, Will, and Kendall Counties means we know every submarket.

03

Long-Term Ownership

We are operators, not flippers. We invest for the long term, maintaining buildings to the highest standards.

Acquisition Criteria

  • Medical and general office properties
  • DuPage, Will & Kendall County locations
  • 10,000 – 100,000 square feet
  • Multi-tenant or single-tenant buildings
  • Value-add & stabilized opportunities
  • Similar profile to current portfolio
  • Southwest Chicago suburban focus
  • Quick, clean closings preferred

Let's Start a Conversation

Whether you have a property to sell, a leasing inquiry, or want to learn more about Ellsworth Partners — we'd love to hear from you.

Ellsworth Partners, LLC

Active buyers of commercial real estate in the Southwest Chicago suburban market.

Address
552 S Washington St, Suite 201
Naperville, Illinois 60540
Currently Seeking

Medical and general office buildings in DuPage, Will & Kendall County — 10,000 to 100,000 sq ft. We move quickly and close cleanly.

Send Us a Message