O Fallon, IL Office Buildings for Sale

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Updated: May 19

Two-Story Professional Office Building

O Fallon, IL 62269

$525,000

0.17 AC lot

5,568 SF brick office building built in 1996, offering a two‑level layout with 24 total offices
Lake front property with 10 offices featuring lake views and a walk‑out lower level
2,784 SF on each floor, with conference rooms on both levels, open work areas, reception, and a large foyer/waiting area
Multiple restrooms and a kitchenette, plus accessible approach with ramp
Utilities include cable available; public water service; central air cooling

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Updated: Apr 16

Downtown Office Building

12 W Lincoln Street, Belleville, IL 62220

$299,000

8,744 sqft 0.11 AC lot

8,500+ SF brick building built in 1956 with a professional office layout featuring numerous private offices and spacious meeting rooms
Located about one block from the St. Clair County Courthouse in downtown Belleville for convenient access to clients and employees
On‑site parking lot with over 15 spaces, plus open parking and driveway access
Includes 2 parcels: 08‑28.0‑204‑013 and 08‑28.0‑204‑012
Utilities include public water and public sewer; cable available

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Multi-Tenant Office Building

120 W Main St, Belleville, IL 62220

$800,000

10,300 sqft

Well-maintained multi-unit office building with an elevator and two currently available office suites.

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O'Fallon Office Building For Sale

O Fallon, IL 62269

$9,100,000

6,819 sqft

6,819 SqFt office building in O'Fallon, Illinois.

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Belleville Office Building For Sale

1520 Mascoutah Ave, Belleville, IL

$725,000

8,454 sqft 1.29 AC lot

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

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Remodeled Office Building with Warehouse

1520 Mascoutah Ave, Belleville, IL 62220

$690,000

8,454 sqft

Remodeled office building with warehouse, ample parking, and generator.

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East Belleville Office/Retail Building

1820 N Belt E, Belleville, IL 62221

$140,000

2,496 sqft

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

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Belleville Office Building For Sale

140 Iowa, Belleville, IL

$250,000

9,114 sqft 0.21 AC lot

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

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Renovated Office Building For Sale

218 W Main St, Belleville, IL 62220

$1,950,000

47,942 sqft 0.89 AC lot

Two-story office building in historic downtown Belleville, Illinois.

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Based on your search, we've compiled 32 Potential Opportunities for your consideration. Besides 9 Active listings in O Fallon, IL, we suggest exploring several alternatives: 4 properties in Nearby Cities, and similar 15 Off-Market properties to explore as potential leads, plus 4 Land Listings that present a potential for development.

Opportunities in Nearby Cities

Here are 4 Similar properties we found in Nearby Locations for your consideration.

Fairview Heights Office Building

5 Ludwig Dr, Fairview Heights, IL 62208

$1,239,000

5,080 sqft

Office building for sale in Fairview Heights, Illinois.

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Office/Retail Building with Leasing Potential

7354 State Rte 162, Troy, IL

$2,300,000

4,000 sqft 1.44 AC lot

12,040 SF building with existing leases and available space.

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Troy, IL Office Park

505 Buckeye Dr, Troy, IL 62294

$1,000,000

11,900 sqft

Office park with three buildings totaling 11,900 square feet.

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Leased Office Building Investment

5403 N Illinois St, Fairview Heights, IL

$260,000

1,716 sqft 0.31 AC lot

Fully leased office building in high-traffic Fairview Heights location.

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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.

Corner Lot with Two Income Buildings

O Fallon, IL 62269

$275,000

3,036 sqft 0.21 AC lot

Corner lot with two buildings offering multiple leased spaces, including ground-floor retail and a salon across a paved parking area.

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Two-Story Historic Building

1907 Locust Street, St, Louis, MO 63103

$300,000

5,040 sqft 0.10 AC lot

Built in 1925, this two-story building offers approximately 5,040 sf with flexible retail, office, or multifamily redevelopment use.

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Build-Ready Local Commercial Land

3312 Cherokee Street, St, Louis, MO 63118

Contact for pricing

0.12 AC lot

Level, build-ready parcel with utilities available and G Local Commercial zoning for flexible development planning.

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Renovated Creative Office Building

3353 Roger Place, St, Louis, MO 63116

$525,000

3,338 sqft 0.17 AC lot

Single-story, fully renovated creative office building with 125 feet of frontage and Neighborhood Commercial-F zoning.

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Off-Market Properties in O Fallon, IL

Consider similar Off-Market properties in O Fallon, 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.

OFFICE BUILDING

717 Insight Ave, O Fallon, IL 62269-2151

Value Estimation by Request

0.20 AC lot

View details

OFFICE BUILDING

735 Insight Ave, O Fallon, IL 62269-2193

Value Estimation by Request

0.14 AC lot

View details

OFFICE BUILDING

321 Regency Park, O Fallon, IL 62269-1887

Value Estimation by Request

3.57 AC lot

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OFFICE BUILDING

1191 Fortune Blvd, O Fallon, IL 62269-7473

Value Estimation by Request

0.72 AC lot

View details

OFFICE BUILDING

1404 Cross St, O Fallon, IL 62269-2988

Value Estimation by Request

5.00 AC lot

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OFFICE BUILDING

104 Willow Dr, O Fallon, IL 62269

Value Estimation by Request

2,610 sqft 0.18 AC lot

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OFFICE BUILDING

781 Sunset Blvd, O Fallon, IL 62269-1960

Value Estimation by Request

0.32 AC lot

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OFFICE BUILDING

930 Talon Dr, O Fallon, IL 62269-1961

Value Estimation by Request

0.53 AC lot

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OFFICE BUILDING

1179 Fortune Blvd, O Fallon, IL 62269-7377

Value Estimation by Request

0.80 AC lot

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OFFICE BUILDING

1571 Grn Mt Rd, O Fallon, IL 62269

Value Estimation by Request

0.05 AC lot

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OFFICE BUILDING

4905 Stone Fls Ctr, O Fallon, IL 62269-7802

Value Estimation by Request

0.23 AC lot

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OFFICE BUILDING

2351 Frank Scott E Pkwy, O Fallon, IL 62269-7457

Value Estimation by Request

8.92 AC lot

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OFFICE BUILDING

723 Insight Ave, O Fallon, IL 62269-2196

Value Estimation by Request

0.15 AC lot

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OFFICE BUILDING

729 Insight Ave, O Fallon, IL 62269-2156

Value Estimation by Request

0.15 AC lot

View details

OFFICE BUILDING

3 Saint Elizabeth Blvd, O Fallon, IL 62269-1281

Value Estimation by Request

0.99 AC lot

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O Fallon, IL Office Buildings Market Trends and Statistics

Explore 24 office buildings for sale in O Fallon, IL, showcased through 9 active listings on our real estate platform. These investment opportunities span a total of 102,323 square feet of properties for sale, with an estimated market value of $13,954,000.

Sale prices for office properties in O Fallon, IL start at $140,000, averaging $1,744,250, and reaching up to $9,100,000 — 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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Top Commercial Asset Segments

Commercial property segments ranked by active listings on the market

Demographics Overview

Population 36K

Population Growth (5Y) +11.0%

Median Household Income $100,167

College Educated 74.8%

High-Yield Neighborhoods for Investment

Identify O Fallon submarkets with the highest inventory density on the market and evaluate the average listing prices of real estate assets

Neighborhood	Average Price
62269	$4.8M

Taxes & Financing

Average Loan-to-Value 65.0%

Listings Trend

New vs delisted commercial listings in St. Clair County

New Delisted

Total CRE Inventory on Market (SF)

Average Property Price per SF

For-sale pricing trends across core commercial property types in St. Clair County

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O Fallon, IL Office Buildings for Sale

O Fallon, IL 62269

12 W Lincoln Street, Belleville, IL 62220

120 W Main St, Belleville, IL 62220

O Fallon, IL 62269

1520 Mascoutah Ave, Belleville, IL

1520 Mascoutah Ave, Belleville, IL 62220

1820 N Belt E, Belleville, IL 62221

140 Iowa, Belleville, IL

218 W Main St, Belleville, IL 62220

Opportunities in Nearby Cities

5 Ludwig Dr, Fairview Heights, IL 62208

7354 State Rte 162, Troy, IL

505 Buckeye Dr, Troy, IL 62294

5403 N Illinois St, Fairview Heights, IL

Potential Development Sites for Consideration

O Fallon, IL 62269

1907 Locust Street, St, Louis, MO 63103

3312 Cherokee Street, St, Louis, MO 63118

3353 Roger Place, St, Louis, MO 63116

Off-Market Properties in O Fallon, IL

717 Insight Ave, O Fallon, IL 62269-2151

735 Insight Ave, O Fallon, IL 62269-2193

321 Regency Park, O Fallon, IL 62269-1887

1191 Fortune Blvd, O Fallon, IL 62269-7473

1404 Cross St, O Fallon, IL 62269-2988

104 Willow Dr, O Fallon, IL 62269

781 Sunset Blvd, O Fallon, IL 62269-1960

930 Talon Dr, O Fallon, IL 62269-1961

1179 Fortune Blvd, O Fallon, IL 62269-7377

1571 Grn Mt Rd, O Fallon, IL 62269

4905 Stone Fls Ctr, O Fallon, IL 62269-7802

2351 Frank Scott E Pkwy, O Fallon, IL 62269-7457

723 Insight Ave, O Fallon, IL 62269-2196

729 Insight Ave, O Fallon, IL 62269-2156

3 Saint Elizabeth Blvd, O Fallon, IL 62269-1281

O Fallon, IL Office Buildings Market Trends and Statistics

Top Commercial Asset Segments

Demographics Overview

High-Yield Neighborhoods for Investment

Taxes & Financing

Listings Trend

Total CRE Inventory on Market (SF)

Average Property Price per SF

Office

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