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Missouri

Duplex

St Louis County, MO Duplexes for Sale

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Saint Louis, MO Kansas City, MO Springfield, MO Branson, MO Joplin, MO St Joseph, MO West Plains, MO Independence, MO

327 properties

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Two Brick Duplexes

Updated: Oct 27

Two Brick Duplexes

8206-8214 Steffen Avenue, Affton, MO 63123

$389,900

5,888 sqft 0.21 AC lot

Two brick duplexes contain four occupied apartments
5,888 square feet on a 0.2146‑acre corner lot
Each main‑level unit has one bedroom, a living room, and an eat‑in kitchen
Month‑to‑month tenancies; individual parking pads for each apartment
Windows updated in 2017; forced‑air heat and central air

Renovated Brick Duplex

Updated: Aug 14

Renovated Brick Duplex

Saint Louis, MO 63144

$599,900

2,464 sqft 0.27 AC lot

2,464‑square‑foot duplex on a 0.27‑acre parcel
Extensive 2022 renovation included roof, windows, plumbing, electrical, HVAC, kitchens, and bathrooms
Brick construction dating to 1909
Three‑bedroom, two‑bath unit available; two‑bedroom unit currently leased
In‑unit laundry, updated appliances, central air, forced‑air heating, and parking lot

Renovated Duplex with Two-Story Deck

Renovated Duplex with Two-Story Deck

Saint Louis, MO 63108

$550,000

2,496 sqft 0.12 AC lot

Each residence has two bedrooms, one bathroom, and its own in-unit laundry.

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Renovated Mixed-Use Property

Renovated Mixed-Use Property

2700 Macklind Ave Saint, Louis, MO 63139

$995,000

4,320 sqft

Renovated mixed-use building with two apartments and two commercial suites in a restored historic storefront.

Duplex with Screened Porch

Duplex with Screened Porch

Saint Louis, MO 63112

$575,000

2,884 sqft 0.10 AC lot

Two three-bedroom residences feature updated kitchens and private outdoor living areas.

Three-Building Duplex Package

Three-Building Duplex Package

Saint Louis, MO 63118

$185,000

6,689 sqft 0.15 AC lot

The group includes 6,689 square feet of living space, with one building offering a partially finished unit.

Duplex with Private Yard

Duplex with Private Yard

Saint Louis, MO 63112

$500,000

2,090 sqft 0.11 AC lot

Two updated residences include a three-bedroom, three-bath layout and a separate two-bedroom, one-bath unit.

Renovated Duplex with Two-Story Deck

Renovated Duplex with Two-Story Deck

Saint Louis, MO 63108

$550,000

2,496 sqft

Two residences offer in-unit laundry, updated kitchens and baths, and a lower level with an existing full bathroom.

Two-Story Duplex with Private Upper-Level Access

Two-Story Duplex with Private Upper-Level Access

Saint John, MO 63114

$165,000

1,953 sqft 0.18 AC lot

Separate access to the upper floor supports a distinct living arrangement, while the kitchen connection can be secured.

Two-Family Brick and Stone Duplex

Two-Family Brick and Stone Duplex

Saint Louis, MO 63109

$355,000

2,424 sqft

Two separate apartments offer a three-bedroom and a two-bedroom layout, with a full basement and fenced yard.

Duplex with Screened Porch

Duplex with Screened Porch

Saint Louis, MO 63112

$575,000

2,884 sqft

Two three-bedroom residences offer updated kitchens and separate outdoor living areas.

2-Unit Ranch Duplex

2-Unit Ranch Duplex

Saint Louis, MO 63136

$124,900

2,150 sqft 0.21 AC lot

Each residence offers one bedroom, one bathroom, an eat-in kitchen, and a full basement.

Renovated Duplex with Off-Street Parking

Renovated Duplex with Off-Street Parking

Saint Louis, MO 63130

$475,000

2,800 sqft 0.12 AC lot

Two updated residences offer private primary suites, basement storage, and a fenced backyard.

Updated Two-Unit Duplex

Updated Two-Unit Duplex

5641 Cates Ave, Saint Louis, MO 63112

$500,000

2,090 sqft

Two refreshed residences offer flexible occupancy and rental configurations near Washington University.

Duplex with Updated Kitchens

Duplex with Updated Kitchens

Saint Louis, MO 63116

$279,900

2,088 sqft 0.10 AC lot

Two one-bedroom residences include separate laundry sets and shared basement amenities.

Brick Duplex with Sunrooms

Brick Duplex with Sunrooms

Saint Louis, MO 63109

$285,000

2,088 sqft 0.10 AC lot

Each residence has two bedrooms, one bathroom, and a sunroom.

Renovated Two-Unit Duplex

Renovated Two-Unit Duplex

Saint Louis, MO 63144

$599,900

2,464 sqft

The 2022 renovation updated major systems, kitchens, and bathrooms throughout the property.

Brick Duplex

Brick Duplex

Saint Louis, MO 63118

$164,900

2,332 sqft 0.09 AC lot

Two vacant apartments each have two bedrooms and one bathroom, with off-street parking available at the property.

Side-by-Side Duplex with Garages

Side-by-Side Duplex with Garages

Saint Louis, MO 63118

$625,000

3,906 sqft

Two-level residences combine open living areas with private decks and access to a shared yard.

Renovated Brick Duplex

Renovated Brick Duplex

Saint Louis, MO 63118

$295,000

1,816 sqft 0.07 AC lot

Two two-bedroom apartments feature updated kitchens, hardwood flooring and in-unit laundry.

Two-Unit Brick Duplex

Two-Unit Brick Duplex

Saint Louis, MO 63109

$355,000

2,424 sqft

The property combines a three-bedroom apartment with a two-bedroom apartment; one is occupied and the other is vacant.

Updated Duplex with Parking Pad

Updated Duplex with Parking Pad

Saint Louis, MO 63112

$379,900

2,116 sqft 0.09 AC lot

Two separate living spaces offer renovated kitchens, in-unit laundry, and a mix of occupied and vacant space.

Duplex with Exposed Brick

Duplex with Exposed Brick

Saint Louis, MO 63104

$395,000

3,266 sqft

Two vacant units are scheduled for delivery after a comprehensive renovation expected to finish December 1, 2026.

Duplex with Detached Garage

Duplex with Detached Garage

8522-8524 Mathilda Avenue, Affton, MO 63123

$189,900

1,472 sqft 0.16 AC lot

Two one-bedroom residences share a partially fenced yard and a long driveway.

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St Louis County, MO Duplexes Market Trends and Statistics

Explore 327 duplexes for sale in St Louis County, MO, showcased through 327 active listings on our real estate platform. These investment opportunities span a total of 729,780 square feet of properties for sale, with an estimated market value of $74,871,114.

Sale prices for two-family homes in St Louis County, MO start at $34,900, averaging $233,972, and reaching up to $995,000 — 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. Louis County Real Estate Agencies

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

American Realty Group

4500 Telegraph rd ste. 202 Saint Louis, MO 63129

Phone: (314) 422-0125

www.argrealestate.com

Keller Williams Realty St Louis

10936 Manchester Rd Kirkwood, MO 63122

Phone: (314) 677-6000

RE/MAX Results

11819 Manchester Road Saint Louis, MO 63131

Phone: (314) 781-7777

www.homestlouis.com

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