Knox County, IL Office Spaces for sale

Updated: May 9

Mixed-Use Property with Apartment

430 N HENDERSON Street, Galesburg, IL 61401

$119,900

Mixed‑use layout with commercial space and a 2‑bedroom apartment
Commercial area includes open workspace, private office, and 2 half baths
B‑1 zoning with potential office, café, salon, clinic, art studio, and bed and breakfast uses
Roof updated in 2018; furnace replaced in 2020
Entry doors updated in 2023, window AC in 2024, and fresh paint throughout

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Updated: May 6

Multi-Use Industrial Flex Building

1438 Knox Hwy 9, Galesburg, IL 61401

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4,882 sqft

Multi‑use commercial/industrial building built in 2015
Approx. 4,800–4,900 SF flexible space with retail, office, and open space configurations
Includes partial second‑floor office/loft area
Zoned M - Restricted Industrial, allowing a variety of uses
Located at 1438 Knox Hwy 9 in Galesburg, IL

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Historic Downtown Office Space

235 E MAIN Street, Galesburg, IL 61401

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4,000 sqft

Office suite within a historic downtown building, offering multiple room configurations and available for partial or full use.

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Historic Downtown Redevelopment Office

40 E Simmons Street, Galesburg, IL 61401

$675,000

Former Galesburg Public Library offers an open upstairs level and partial basement, with rooftop HVAC units installed in 2020.

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Based on your search, we've compiled 10 Potential Opportunities for your consideration. Besides 4 Active listings in Knox County, IL, we suggest exploring several alternatives: similar 5 Off-Market properties to explore as potential leads, plus 1 Land Listings that present a potential for development.

Potential Development Sites for Consideration

Can't find the perfect fit? These Land listings present an alternative path: the potential to develop a property for your specific goals.

Important: These AI-suggestions are a starting point, not a guarantee of permitted use. All zoning, permitting, and land use information must be independently verified by you with the appropriate local authorities before making any commitments.

Commercial/Residential Development Opportunity

0 E Carl Sandburg Drive, Galesburg, IL 61401

$550,000

Prime land for commercial or residential development in Galesburg, IL.

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Value Estimation by Request

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Knox County, IL Office Spaces Market Trends and Statistics

Explore 9 office spaces for sale in Knox County, IL, showcased through 4 active listings on our real estate platform. These investment opportunities span a total of 8,882 square feet of properties for sale, with an estimated market value of $794,900.

Sale prices for office spaces in Knox County, IL start at $119,900, averaging $397,450, and reaching up to $675,000 — offering options for a variety of budgets and business needs. Daily updated analytics ensure you stay ahead with the latest data and market trends.