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Illinois

Multifamily

St Clair County, IL Multifamily Properties for Sale

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69 properties

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8-Unit Brick Apartment Buildings

Updated: Aug 19

8-Unit Brick Apartment Buildings

2516 & 2520 Eastview, Belleville, IL 62221

$665,000

7,280 sqft 27,030.00 AC lot

Eight units across two brick buildings totaling approximately 7,280 SF
Seven of eight units occupied; one vacant unit available for showings
Each apartment includes 2 bedrooms, 1.5 baths, and a two‑story layout
Private fenced patio areas provided for every unit
2021 roof, gutter, fascia, and soffit improvements

Duplex with Finished Basements

Updated: Aug 15

Duplex with Finished Basements

O Fallon, IL 62269

$675,000

2,142 sqft 0.67 AC lot

Two‑unit duplex with 2 bedrooms and 3 bathrooms on each side
Left side: ~1,375 sq ft with ~500 sq ft garage; right side: 1,420 sq ft with ~490 sq ft garage
Each unit includes approximately 725 sq ft of partially finished basement space
0.67‑acre property at 106 S Lawn Avenue, O'Fallon, IL 62269
Covered composite decks overlook a deep backyard

Ranch Duplex with Central Air

Ranch Duplex with Central Air

112 Kingsway Drive, Belleville, IL 62226

$174,500

2,032 sqft 0.21 AC lot

Ranch-style duplex on a 0.21-acre lot with two 2-bedroom, 1-bath units, central air, and a 1-car carport.

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

Updated 8-Unit Apartment Building

Updated 8-Unit Apartment Building

961 Belle Valley Dr, Belleville, IL 62220

$594,000

6,896 sqft

All units are rented, with improvements to kitchens, bathrooms, and select interior finishes.

Two-Unit Duplex with Off-Street Parking

Two-Unit Duplex with Off-Street Parking

517 Mascoutah Avenue, Belleville, IL 62220

$129,900

1,813 sqft 0.39 AC lot

Two residences offer central air, deck space, and public water service on a 0.39-acre parcel.

Updated Three-Unit Triplex

Updated Three-Unit Triplex

506 N 17th Street, Belleville, IL 62226

$149,900

1,865 sqft 0.27 AC lot

Separate electrical metering and refreshed interiors support practical multifamily operations.

Two-Unit Duplex with Central Air

Two-Unit Duplex with Central Air

O Fallon, IL 62269

$259,000

2,040 sqft 0.21 AC lot

Each residence offers two bedrooms and one bathroom, with both units currently occupied.

Apartment Building with Renovated Units

Apartment Building with Renovated Units

971 Belle Valley Drive, Belleville, IL 62220

$432,000

5,058 sqft

Six two-bedroom residences feature refreshed interiors, updated bathrooms, and serviced air-conditioning systems.

Brick-Veneer Triplex with Porches

Brick-Veneer Triplex with Porches

222 S Jackson Street, Belleville, IL 62220

$189,900

1,979 sqft 0.17 AC lot

Three residential units combine duplex layouts with a separate ranch-style home and shared basement spaces.

Duplex with Two-Car Garage

Duplex with Two-Car Garage

314 W H Street, Belleville, IL 62226

$144,000

2,610 sqft 0.20 AC lot

Duplex in Belleville with two units, each with a garage, and a 2022 rehab on both sides.

Two-Unit Duplex with Full Basement

Two-Unit Duplex with Full Basement

113 E Apple St, Freeburg, IL 62243

$275,000

2,560 sqft

Two established residential units are complemented by a full basement with storage and a bathroom.

Brick Triplex With Central Air

Brick Triplex With Central Air

25 Blackburn Manor, Millstadt, IL 62260

$350,000

1,256 sqft 0.26 AC lot

Three-unit multifamily property with a parking lot, public water service, and a basement.

8-Unit Updated Apartment Building

8-Unit Updated Apartment Building

961 Belle Valley Drive, Belleville, IL 62220

$594,000

6,896 sqft 0.44 AC lot

Eight two-bedroom residences offer consistent layouts, with select interior improvements across the property.

Rehabilitated Duplex with Garage

Rehabilitated Duplex with Garage

314 W H St, Belleville, IL 62226

$144,000

2,610 sqft

Two-unit property with varied bedroom layouts and rehabilitation completed in 2022.

Four-Unit Mixed-Use Property

Four-Unit Mixed-Use Property

108-110 E Main Street, Mascoutah, IL 62258

$390,000

3,838 sqft 0.07 AC lot

Downtown building combines commercial storefronts with residential apartments and an unfinished upstairs unit.

Brick Duplex with Covered Parking

Brick Duplex with Covered Parking

213 Brackett Street, Swansea, IL 62226

$169,900

1,350 sqft 0.20 AC lot

Brick duplex with two bedrooms and one bathroom per unit, shared laundry, and covered parking in back.

Two-Unit Duplex with Basement Storage

Two-Unit Duplex with Basement Storage

124 N Virginia Ave, Belleville, IL 62220

$160,000

1,120 sqft

Both residences include upper-level bedrooms and a main-floor half bath.

Six-Unit Brick Apartment Building

Six-Unit Brick Apartment Building

109 Jerome Lane, Cahokia, IL 62206

$280,000

3,432 sqft 0.24 AC lot

Solid masonry construction with one-bedroom layouts, radiant heat, window cooling, and a newly installed resident deck.

4-Unit Mixed-Use Property

4-Unit Mixed-Use Property

108-110 E Main St, Mascoutah, IL 62258

$390,000

3,838 sqft

Downtown building combines leased commercial and residential space with a vacant apartment.

Updated 6-Unit Apartment Building

Updated 6-Unit Apartment Building

971 Belle Valley Drive, Belleville, IL 62220

$432,000

5,058 sqft 0.29 AC lot

Two-bedroom apartments with refreshed interiors, on-site parking, and individually serviced cooling systems.

Renovated Duplex Near Main Street

Renovated Duplex Near Main Street

29 N 14th St, Belleville, IL 62220

$159,000

1,122 sqft

Two-unit residential property with one recently updated apartment available for occupancy.

Two-Home Multifamily Property

Two-Home Multifamily Property

443 Chaudet Avenue, East St Louis, IL 62206

$50,000

1,690 sqft 0.30 AC lot

Separate dwellings on one parcel offer flexible residential income or multi-generational living arrangements after renovation.

Brick Duplex with Shared Laundry

Brick Duplex with Shared Laundry

213 Brackett St, Swansea, IL 62226

$169,900

1,350 sqft

Two two-bedroom units include shared laundry, covered rear parking, and an updated kitchen and bathroom in one unit.

Brick Duplex with Full Basement

Brick Duplex with Full Basement

113 E Apple Street, Freeburg, IL 62243

$275,000

2,560 sqft 0.38 AC lot

Two residential units offer six bedrooms, three full bathrooms, and additional basement space.

St Clair County, IL Multifamily Properties Market Trends and Statistics

Explore 72 multifamily properties for sale in St Clair County, IL, showcased through 69 active listings on our real estate platform. These investment opportunities span a total of 137,213 square feet of properties for sale, with an estimated market value of $16,350,300.

Sale prices for multifamily properties in St Clair County, IL start at $50,000, averaging $340,631, and reaching up to $1,800,000 — 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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Featured St. Clair County Real Estate Agencies

Realmo connects you with licensed St. Clair County CRE brokers providing property specifications, local market pricing, and commercial transaction underwriting support.

Strano & Associates

1910 Carlyle Avenue Belleville, IL 62221

Phone: 16182577690

www.strano.com