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Illinois

Office

Jefferson County, IL Office Spaces for Sale

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Chicago, IL Springfield, IL Peoria, IL Rockford, IL Aurora, IL Belleville, IL Champaign, IL Joliet, IL

6 properties

Remodeled Office Building with Parking

Updated: Feb 5

Remodeled Office Building with Parking

903 Salem Road, Mt, Vernon, IL 62864

$167,000

0.30 AC lot

Recently remodeled interior with multiple private offices and a large conference room
Lobby and reception area plus break room with appliances
Two bathrooms and multiple storage rooms
Second lot provides abundant parking
Brick construction with Central Air

Multi-Building Flex Property

Updated: Nov 4, 2025

Multi-Building Flex Property

314 S 5TH Street, Mt, Vernon, IL 62864

$78,500

Four‑building commercial package with multiple vacant lots
36' x 62' heated and air‑conditioned building with bathroom and overhead door
30' x 40' finished building built in 2013 with kitchen, bedroom, and bathroom
24' x 64' heated building with overhead door
24' x 40' metal building with electric service

Mixed-Use Property With Two Buildings

Mixed-Use Property With Two Buildings

2707 North St, Mount Vernon, IL 62864

Contact for pricing

7,794 sqft 1.51 AC lot

Two detached structures offer adaptable commercial space alongside a residential component in a B-2 Secondary Business District.

Turn a Listing Into an Investment Snapshot Cap Rate, Potential NOI, Demand score for every listing. Go To Analytics Center

Historic Two-Story Mixed-Use Building

Historic Two-Story Mixed-Use Building

916-918 Main St, Mount Vernon, IL 62864

Contact for pricing

5,824 sqft

Refurbished commercial space with an open first-floor layout and upper-level office, storage, and break-room areas.

Remodeled Office Building

Remodeled Office Building

903 Salem Rd, Mount Vernon, IL 62864

$167,000

Remodeled office building with multiple private offices, a large conference room, and two bathrooms, currently rented month-to-month.

Office Building with Leasing Potential

Office Building with Leasing Potential

4224 Lincolnshire Drive, Mt, Vernon, IL 62864

Contact for pricing

4,888 sqft

Office building with two units, one available for lease.

Based on your search, we've compiled 23 Potential Opportunities for your consideration. Besides 6 Active listings in Jefferson County, IL, we suggest exploring several alternatives: similar 16 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.

B-2 Zoned Development Parcel

B-2 Zoned Development Parcel

1526 Perkins Ave, Mount Vernon, IL 62864

Contact for pricing

0.17 AC lot

B-2 secondary business lot in Mount Vernon, IL, suited for retail, office, or service development.

Off-Market Properties in Jefferson County, IL

Consider similar Off-Market properties in Jefferson County, IL. You may contact the owners directly to inquire about their potential intentions to sell. To help you make a strong first impression, we can assist by reaching out to these owners with compelling proposals created using our AI tool.

1700 Main St

OFFICE BUILDING

1700 Main St, Mount Vernon, IL 62864-2932

Value Estimation by Request

801 Casey Ave, Unit 811

OFFICE BUILDING

801 Casey Ave, Mount Vernon, IL 62864-4209

Unit 811

Value Estimation by Request

320 Main St

OFFICE BUILDING

320 Main St, Mount Vernon, IL 62864-3648

$400,000

Estimated value

409 Harrison St

OFFICE BUILDING

409 Harrison St, Mount Vernon, IL 62864-3643

$365,000

Estimated value

1009 42Nd St

Medical Office Space

1009 42Nd St, Mount Vernon, IL 62864

Value Estimation by Request

815-3 Broadway St

Retail properties & Spaces

815-3 Broadway St, Mount Vernon, IL 62864

Value Estimation by Request

815-4 Broadway St

Retail properties & Spaces

815-4 Broadway St, Mount Vernon, IL 62864

Value Estimation by Request

815-6 Broadway St

Retail properties & Spaces

815-6 Broadway St, Mount Vernon, IL 62864

Value Estimation by Request

200 Potomac Blvd

Land

200 Potomac Blvd, Mount Vernon, IL 62864

Value Estimation by Request

7,646 sqft 1.00 AC lot

412 34Th St

Medical Office Space

412 34Th St, Mount Vernon, IL 62864

Value Estimation by Request

1410 Salem Rd

Flex space

1410 Salem Rd, Mount Vernon, IL 62864

Value Estimation by Request

610 42Nd St

Restaurants

610 42Nd St, Mount Vernon, IL 62864

Value Estimation by Request

65,220 sqft 5.00 AC lot

2501 10Th St

Distribution properties

2501 10Th St, Mount Vernon, IL 62864

Value Estimation by Request

16,769 sqft 3.00 AC lot

1007 42Nd St

Medical Office Space

1007 42Nd St, Mount Vernon, IL 62864

Value Estimation by Request

8,192 sqft

2 Good Samaritan Way

Medical Office Space

2 Good Samaritan Way, Mount Vernon, IL 62864

Value Estimation by Request

Dix, IL 62830

OFFICE BUILDING

Dix, IL 62830

Value Estimation by Request

Jefferson County, IL Office Spaces Market Trends and Statistics

Explore 22 office spaces for sale in Jefferson County, IL, showcased through 6 active listings on our real estate platform. These investment opportunities span a total of 18,506 square feet of properties for sale, with an estimated market value of $412,500.

Sale prices for office spaces in Jefferson County, IL start at $78,500, averaging $137,500, and reaching up to $167,000 — offering options for a variety of budgets and business needs. Daily updated analytics ensure you stay ahead with the latest data and market trends.

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