Fairfield County, CT Duplexes for Sale

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Updated: Apr 10

Renovated Duplex With Attached Garage

21 Hirsch Road, Stamford, CT 06905

$1,039,500

3,927 sqft 0.23 AC lot

Two‑family property with 3,927 square feet on 0.23 acres
First‑floor unit has 3 bedrooms, 2 full bathrooms, and lower‑level flex space
Second‑floor unit includes 3 to 4 bedrooms and 1 full bathroom
Attached garage, deck, new porch, sunroom, and private backyard
Built in 1942; zoned R75

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21 Hirsch Road, Stamford, CT 06905

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Est. Cap Rate

7.3%
Above avg (5.9%)
Est. NOI

$76K
Annual
Price @ 7% Cap

$1.08M
Above asking
Property Type

Duplex
Built 1942

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Updated: Jul 6

Two-Unit Duplex with Parking

11 Windsor Place, Norwalk, CT 06854

$800,000

2,873 sqft 0.21 AC lot

2,873 square feet with two residential units
Primary unit spans three finished levels with 4 bedrooms and 3 full bathrooms
Lower‑level unit includes 2 bedrooms and 1 full bathroom
Oversized paved driveway provides off‑street parking for 8+ vehicles
Detached storage shed included on the 0.21‑acre property

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Side-by-Side Duplex with Decks

36-38 Concord Street, Norwalk, CT 06854

$899,000

4,421 sqft 0.12 AC lot

Legal two-family property with three-level layouts, private rear decks, separate tenant utilities, and public water and sewer.

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Two-Unit Home with Tandem Garage

44 Elm Tree Place, Stamford, CT 06906

$1,125,000

2,664 sqft 0.24 AC lot

Each residence includes private laundry, separate utilities, and flexible living, dining, kitchen, and bedroom areas.

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Three-Level Duplex Property

36-38 Concord Street, Norwalk, CT 06854

$899,000

4,421 sqft

Legal two-family building with separate living spaces, private rear decks, and flexible owner-occupant or investment use.

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Duplex with Walkout Lower Level

114 Pine Hill Avenue, Stamford, CT 06906

$915,000

2,490 sqft 0.15 AC lot

Two residential units with separate utilities, outdoor space, and off-street parking in Stamford’s 06906 postal area.

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Six-Bedroom Duplex With Expansion Plans

604 Fairfield Avenue, Stamford, CT 06902

$999,000

2,378 sqft 0.15 AC lot

R6-zoned duplex with permitted renovation plans for basement and attic improvements.

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Duplex with Detached Garage

503-505 Lincoln Avenue, Bridgeport, CT 06606

$559,900

2,789 sqft 0.10 AC lot

Legal two-family property with a two-level second apartment, basement space, and public utilities.

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Remodeled Two-Unit Duplex

1526 West Broad St, Stratford, CT 06615

$649,000

3,110 sqft 0.31 AC lot

Stacked units feature three-bedroom layouts, updated baths, eat-in kitchens, and separate gas heating systems.

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Duplex With Separate Entrances

4 Ascolese Road, Trumbull, CT 06611

$689,000

1,935 sqft 0.33 AC lot

Updated two-level residence with a legal lower-floor apartment, private outdoor space, and public utilities.

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Duplex with Deck and Basement

177 Hope Street, Stamford, CT 06906

$695,000

1,525 sqft 0.28 AC lot

Two residential units offer distinct living areas, kitchens, and baths, with a fenced backyard and driveway parking.

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New Construction Duplex

62 PALMER Street, Bridgeport, CT 06606

$999,000

4,684 sqft

Newly built two-family property with spacious apartments and separate residential layouts.

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Two-Unit Duplex with Basement

93 George Street, Stamford, CT 06902

$949,000

2,900 sqft 0.22 AC lot

R5-zoned duplex with public water, public sewer, and separate units arranged across different floors.

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Duplex with Finished Basement

485 Hallett Street, Bridgeport, CT 06608

$600,000

1,913 sqft 0.11 AC lot

Two residential units occupy a well-maintained home with a covered deck and finished basement.

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Side-by-Side Duplex with Garages

511-513 South Fairfield Avenue South, Stamford, CT 06902

$975,000

3,200 sqft 0.24 AC lot

Two residential units provide three bedrooms, laundry hookups, and a partially finished basement in one unit.

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Remodeled Duplex with Finished Basement

19 Davenport Street, Stamford, CT 06902

$999,000

2,090 sqft 0.10 AC lot

R5-zoned duplex with public utilities, a deck, shed, and a partially finished basement with a full bathroom.

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Two-Family Duplex with Garage

60 Stephen Street, Stamford, CT 06902

$788,800

2,408 sqft 0.10 AC lot

R5-zoned Stamford property with separate utilities, public water and sewer, and access to downtown amenities.

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Updated Duplex With Full Basement

45 Grasso Terrace, Bridgeport, CT 06604

$650,000

2,352 sqft

Two residential units offer hardwood floors, refreshed kitchens, contemporary bathrooms, and shared off-street parking.

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Two-Unit Residential Income Duplex

107 Wolfpit Avenue, Norwalk, CT 06851

$899,000

2,416 sqft 0.85 AC lot

Distinct 1930 multi-family home offers self-contained living quarters on both floors with kitchens, baths, and multiple bedrooms.

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Renovated Two-Family Duplex

133 Rock Spring Road, Stamford, CT 06906

$825,000

1,702 sqft 0.13 AC lot

Side-by-side units combine a three-bedroom layout with a one-bedroom apartment and private outdoor space.

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Two-Unit Home with Detached Garage

95-97 Englewood Avenue, Bridgeport, CT 06606

$525,000

2,442 sqft

Two residential units feature hardwood floors, updated bathrooms, and flexible finished attic space.

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Two-Family Duplex with Garage

1440 Wood Avenue, Bridgeport, CT 06604

$749,500

3,938 sqft 0.11 AC lot

Multi-level residential income property with hardwood flooring, finished lower-level space, and public water and sewer.

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Updated Duplex with Detached Garage

95-97 Englewood Avenue, Bridgeport, CT 06606

$539,000

2,442 sqft

Two residential units feature hardwood flooring, refreshed finishes, and flexible finished attic space.

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Duplex with Detached 3-Car Garage

355 Hope Street, Stamford, CT 06906

$935,000

2,888 sqft 0.26 AC lot

Two three-bedroom units offer separate utilities, a porch, and substantial off-street parking on an oversized residential lot.

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Fairfield County, CT Duplexes Market Trends and Statistics

Explore 249 duplexes for sale in Fairfield County, CT, showcased through 249 active listings on our real estate platform. These investment opportunities span a total of 497,385 square feet of properties for sale, with an estimated market value of $168,245,030.

Sale prices for duplexes in Fairfield County, CT start at $225,000, averaging $751,093, and reaching up to $2,395,000 — 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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