Building Details

Year built 1930

Floors in Building 2

Number of units 3

Flooring type Varies

Building materials Block, Wood, Stucco, Vinyl Siding, Fiber Cement

Roof type Membrane, Composition

Listing Agency: O'Neil Property Group, LLC k***@oneilpropertygroup.com Show Phone

Listed By: Ryan Ivemeyer · License #471021972 Show Phone

Added: Sep 9 Changed: Sep 12 Last Checked: Sep 14 at 3:06AM

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MLS# 12754573

Copyright © 2026 Midwest Real Estate Data, LLC. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified.

Investment Insights

Based on property information with market context.

This two-story mixed-use building contains approximately 2,400 square feet across three units: two street-level commercial spaces and a second-floor two-bedroom, one-bath apartment. One storefront is occupied by the United States Post Office under a lease extending through January 2031, with an additional renewal option to 2036. The apartment is also leased, while the remaining commercial space is available for an owner-user or new tenant.

Constructed in 1930, the property has a new roof installed in October 2024, wood-frame construction, and block, stucco, and siding exterior finishes. Building systems include two gas forced-air furnaces, first-floor central air conditioning with window units, 200 amp overhead electrical service, two gas meters, a private well, electric water heater, and private sewer service. A basement, partial crawlspace, attic access, street-level accessible entrance, second-floor balcony, and parking for six to twelve vehicles are also included on the 0.26-acre lot.

The building is located just off Fox River Drive in Millbrook, minutes from Illinois Route 71, Yorkville, and Plano.

Key Highlights

• Approximately 2,400 square feet arranged as three units
• Two leased units: United States Post Office storefront and two‑bedroom, one‑bath apartment
• Available street‑level commercial space for an owner‑user or new tenant

Property Analytics

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Current Use

United States Postal ... Post Office

Suggested Use

Top Pick HVAC Service Garden Center Bed & Breakfast Hotel & Motel

Score = modeled unmet demand for each use within ~1 mi (higher = bigger opportunity). Zoning and permitted uses should be independently verified with local authorities.

Lease Details

Multi-tenant

Tenancy

Location Intelligence

Trade Area within ½ mile

20

Businesses Nearby

Explore this area Business Placement

Demographics for 60536, IL

80

Population

31

Households

2.6

Avg Household Size

41

Median Age

16%

College-Educated

98%

High-School Grad

0.1 sq mi

ZIP Area

800

Density / Sq Mi

$90,000

Median Household Income

$60,417

Median Earnings

$1,100

Median Rent

$200,000

Median Home Value

Market

Vacancy Rate% for Retail in Midwest region

8% 2020

7.3% 2021

6.5% 2022

6% 2023

5.7% 2024

6.3% 2025

Questions? Ask Rey

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What type of property is this? Where is this mixed-use properties located? What is the asking price? Find similar properties What are key features of this property?

Frequently Asked Questions

What type of property is this?

Mixed-use property - Two-story property combines leased commercial and residential units with an available street-level storefront for occupancy or leasing.

Where is this mixed-use property located?

The property is located at 27 Harris Avenue Millbrook, IL.

What is the asking price?

The asking price for this property is $125,000.

What are key features of this property?

This property features: Approximately 2,400 square feet arranged as three units; Two leased units: United States Post Office storefront and two‑bedroom, one‑bath apartment; Available street‑level commercial space for an owner‑user or new tenant