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Updated Office Unit with Private Entrances
For Sale
$549,500

1 S280 Summit Avenue A, Oakbrook Terrace, IL 60181

Multi-level office configuration includes private entrances, meeting space, storage, and kitchen facilities.

Property Size3,600 SF
Price / SF$152.64
Days on Market58

Property Features for 1 S280 Summit Avenue A

General Information

Standard status Active
Size 3,600 SF

Additional Details

Highway Access Yes
Office Units 8

Amenities

private entrances
24/7 access

Building Details

Year Built 1985
Tenancy Multi
Listing Agency: Realty Partners
Listed By: Joseph Giannini · License #475191091
Source: Bktchicago
Added: Aug 19 Changed: Oct 3 Last Checked: Oct 7 at 1:06PM

Displayed information is deemed reliable but is not guaranteed and should be independently verified. All listing content including descriptions, pricing, images are the copyrighted material of Realty Partners

Investment Insights

Based on property information with market context.

This 3,600-square-foot office unit offers a multi-level layout suited to professional operations. The main floor includes four offices, a conference room, glass-panel doors, new carpeting, a remodeled bathroom, and fresh paint. The lower level adds three offices, open work area, storage, a kitchen, and men’s and women’s multi-stall restrooms.

Private entrances and 24/7 access support flexible occupancy and daily operations. The property is located near I-88, IL-83, and I-294, with access to Oakbrook Center Mall, hotels, dining, corporate offices, medical practices, and regional headquarters. The building was constructed in 1985 and contains eight total units.

Key Highlights

  • 3,600 SF office unit with multi‑level configuration
  • Main floor includes four offices and a conference room
  • Lower level provides three additional offices, open space, storage, and a kitchen

Financial Insights

Estimated NOI and Cap Rate

NOI / Yr
$49,638
Cap Rate
9.03%
Suggested Prices Based on Cap Rates
Cap Rate 5%
$992,760 $992.8K
Cap Rate 7%
$709,114 $709.1K
Cap Rate 9%
$551,533 $551.5K
Market Conditions
NOI Build-Up for 3,600 SF
Gross rent
$88.1K $24.48/SF
− Vacancy
−$21.9K −$6.10/SF
EGI
$66.2K $18.38/SF
− OpEx
−$16.5K −$4.60/SF
NOI
$49.6K $13.79/SF
Area
DuPage County, IL
Vacancy
24.90%
Lease Rate
$24.48 /SF/Yr
Expense Ratio
25.00%
Simulate Cap Rate and NOI
Suggested Prices Based on Cap Rates
Cap Rate 5%
$992,760
Cap Rate 7%
$709,114
Cap Rate 9%
$551,533

Alternative Uses

Best Use
Office B
$709.1K
$620.5K – $827.3K (±1% cap)
NOI $49,638 @ 7.0% cap · market cap 9.03%
Second Best
—
—
no second resolved use
Theoretical Best
Office A
$1.24M
$1.09M – $1.45M (±1% cap)
NOI $87,004 @ 7.0% cap · market cap 15.83%
Zoning and permitted uses should be independently verified with authorities. How Realmo checks its estimates

Property Analytics

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Current Use

Office Units

Suggested Use

Top Pick Barber Shop (Bike/Boat/Book/etc) Store Garden Center Home Appliance Store Pet Grooming Service Florist

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

8
Office units
Multi-tenant
Tenancy
Yes
Highway access

Location Intelligence

Trade Area within ½ mile

1,303
Businesses Nearby

Demographics for 60181, IL

29,821
Population
12,485
Households
2.4
Avg Household Size
38
Median Age
38%
College-Educated
92%
High-School Grad
6.5 sq mi
ZIP Area
4,588
Density / Sq Mi
$90,375
Median Household Income
$47,191
Median Earnings
$1,619
Median Rent
$294,700
Median Home Value
Check the figures for this property Cap Rate, Value Estimation, Potential NOI and more
View Realmo Analytics

Market

Vacancy Rate% for Office in Midwest region

13.7% 2019
15.6% 2020
17.1% 2021
18.9% 2022
21% 2023
22% 2024
21.3% 2025
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Frequently Asked Questions

What type of property is this?
Office units - Multi-level office configuration includes private entrances, meeting space, storage, and kitchen facilities.
Where is this office units located?
The property is located at 1 S280 Summit Avenue A Oakbrook Terrace, IL.
What is the asking price?
The asking price for this property is $549,500.
What are key features of this property?
This property features: 3,600 SF office unit with multi‑level configuration; Main floor includes four offices and a conference room; Lower level provides three additional offices, open space, storage, and a kitchen
More about this property
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