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Belleville, IL Office Properties & Spaces for Sale

34 results
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Versatile Mixed-Use Commercial Building
$799,000
5,890 SF

Versatile Mixed-Use Commercial Building

101 Springfield Ct, O Fallon, IL 62269

Multi-use commercial building in O'Fallon with live-work potential.

  • High‑visibility corner lot location in the heart of O’Fallon.
  • Multi‑use commercial building suitable for daycare, medical facility, or professional office space.
  • Main level includes a room specially constructed for an X‑ray machine.
  • Full basement with living space for a live‑work arrangement.
  • Large detached garage and ample off‑street parking.
Updated: Oct 16, 2025
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Refurbished Office Space Downtown
$65,000
1,152 SF

Refurbished Office Space Downtown

6 Lebanon Ave, Belleville, IL 62220

Refurbished office space in downtown Belleville, near courthouse.

  • Prime downtown Belleville location, seconds from the courthouse and public square.
  • Refurbished office space with new carpeting and paint.
  • Four private offices (two on each level).
  • Newer roof and maintenance‑free soffit/guttering.
  • Suitable for various uses: small business, retail, or home office.
Updated: Dec 17, 2025
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Mixed-Use Property in High-Traffic Area
$275,000
3,036 SF

Mixed-Use Property in High-Traffic Area

Versatile property with income potential in O'Fallon, Illinois.

633 S Lincoln Ave, O Fallon, IL 62269
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Downtown Belleville Office Building
$350,000
8,744 SF

Downtown Belleville Office Building

Office building in a prime downtown location near courthouse.

12 W Lincoln St, Belleville, IL 62220
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Belleville Commercial Property on 38th
$140,000

Belleville Commercial Property on 38th

Adaptable commercial space with high visibility in Belleville, Illinois.

626 N 38Th St, Belleville, IL 62226
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Mixed-Use Building Near Downtown Belleville
$240,000
2,926 SF

Mixed-Use Building Near Downtown Belleville

Two-story mixed-use property with commercial space and updated apartment.

719 Centreville Ave, Belleville, IL 62220
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Belleville Office Building For Sale
$399,000
40,896 SF

Belleville Office Building For Sale

40,896 sq ft office building on 4.09 acres.

29 N 64Th St, Belleville, IL 62223
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Downtown Belleville Office For Sale
$125,000

Downtown Belleville Office For Sale

Office space in downtown Belleville with off-street parking.

122 W Main St, Belleville, IL 62220
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East Belleville Office/Retail Building
Contact for pricing
2,496 SF

East Belleville Office/Retail Building

2,496 SF office/retail building in East Belleville for sale.

1820 N Belt E, Belleville, IL 62221
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Medical/Office Space in Business Park
Contact for pricing
2,736 SF

Medical/Office Space in Business Park

2,736 SF medical/office space with finished basement and ample parking.

2900 Frank Scott Pkwy W, Belleville, IL 62223
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Belleville Medical Office Investment Opportunity
Contact for pricing
4,640 SF

Belleville Medical Office Investment Opportunity

Net leased medical office building with lease extension and roof replacement.

4904 W Main St, Belleville, IL 62269
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Office Building with Signage
Contact for pricing
7,926 SF

Office Building with Signage

7,926 SF building with space for lease and signage.

1801 N Belt W, Belleville, IL 62221
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Commercial Building and Sporting Goods
Contact for pricing
6,146 SF

Commercial Building and Sporting Goods

Two-story commercial building with retail and office space for sale.

127 W Main St, Belleville, IL 62220
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Medical Building with Multiple Suites
Contact for pricing
6,500 SF

Medical Building with Multiple Suites

6,500 SF medical building with three suites for sale.

3608 W Main St, Belleville, IL 62269
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Former Law Office For Sale
Contact for pricing
2,716 SF

Former Law Office For Sale

2,716 SF office space in high visibility location.

3540 N Belt W, Belleville, IL 62226
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Mixed-Use Investment Property For Sale
Contact for pricing
5,970 SF

Mixed-Use Investment Property For Sale

Mixed-use property with retail, office, apartments, and warehouse space.

305-309 N Illinois St, Belleville, IL 62220
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Belleville Office Building For Sale
Contact for pricing
8,454 SF

Belleville Office Building For Sale

8,454 SF office building available in Belleville, Illinois.

1520 Mascoutah Ave, Belleville, IL 62220
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Belleville Office Building For Sale
Contact for pricing
9,114 SF

Belleville Office Building For Sale

9,114 square foot office building in Belleville, Illinois.

140 Iowa St, Belleville, IL 62225
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Mixed-Use Investment Property For Sale
Contact for pricing
7,888 SF

Mixed-Use Investment Property For Sale

Mixed-use investment property in downtown Belleville with residential and commercial spaces.

100 Mascoutah Ave, Belleville, IL 62220
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Belleville Commercial Building For Sale
$275,000
3,591 SF

Belleville Commercial Building For Sale

Downtown Belleville, high-traffic corner lot.

402 Main St, Belleville, IL 62220
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Belleville Office Building For Sale
$289,000
7,926 SF

Belleville Office Building For Sale

7,926 SF Office Building, Vacant Suites

1801 Belt, Belleville, IL 62226
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Belleville Office Building Investment
$140,000
2,496 SF

Belleville Office Building Investment

Prime Belleville Office/Retail Space

1820 Belt, Belleville, IL 62221
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Belleville Commercial Portfolio
$495,000
24,558 SF

Belleville Commercial Portfolio

Downtown Belleville retail/office complex. High potential.

116-120 Main St, Belleville, IL 62220
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Belleville, IL Office Portfolio
$1,625,000
57,615 SF

Belleville, IL Office Portfolio

Six-building portfolio, prime location.

112 Main St, Belleville, IL 62220
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Belleville, IL Office Properties & Spaces Investment Opportunities Market Analysis

Explore 83 office properties & spaces for sale in Belleville, IL, showcased through 34 active listings on our real estate platform. These investment opportunities span a total of 1,006,672 square feet of properties for sale, with an estimated market value of $14,017,000.

Sale prices for office spaces in Belleville, IL start at $65,000, averaging $539,115, and reaching up to $2,890,000 — 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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