Rock County, WI Duplexes for Sale

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Updated: Mar 24

Two-Unit Duplex with Off-Street Parking

414 North High Street, Janesville, WI 53548

$239,900

2,066 sqft

Two‑unit duplex with separate meters for each unit
Off‑street parking and ample storage
Full basement
Heating: forced air natural gas with 2 furnaces
Includes 2 ranges and 2 refrigerators; 2 water heaters

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414 North High Street, Janesville, WI 53548

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Est. Cap Rate

7.9%
Above avg (5.9%)
Est. NOI

$19K
Annual
Price @ 7% Cap

$272K
Above asking
Property Type

Single Family Residence
Built 1882

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Updated: Aug 28

Remodeled Duplex with Garages

3037-3039 S Afton Road, Beloit, WI 53511

$545,000

0.94 AC lot

0.94‑acre duplex parcel directly adjacent to Big Hill Park
Permitted remodel completed by licensed contractors
Two detached 2‑car garages, one serving each unit
Finished basement recreation rooms in both units
One unit includes a bonus office or den

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Side-by-Side Duplex with Garages

2302/2308 Bootmaker Drive, Beloit, WI 53511

$399,900

0.41 AC lot

Residential duplex with attached garages, full basements, first-floor laundry, and separate living spaces.

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Duplex with Attached Garages

2626 Harvard Drive, Janesville, WI 53548

$369,900

0.29 AC lot

Two tenant-occupied units offer separate layouts, private garage parking, and established occupancy.

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Well-Maintained Duplex with Garages

2626 Harvard Drive, Janesville, WI 53548

$369,900

2,466 sqft

Duplex on a quiet cul-de-sac with two tenant-occupied 3-bedroom units and attached garages.

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Improved Upper-Lower Duplex

228 Milton Avenue, Janesville, WI 53545

$319,000

0.12 AC lot

Residential duplex with two matching two-bedroom units, off-street parking, and extensive exterior and interior updates.

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Commercially Zoned Duplex

1-3 Mechanic Street, Edgerton, WI 53534

$380,000

0.11 AC lot

Two full three-bedroom units feature separate utilities, basement laundry, and storage.

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New-Construction Duplex with Garages

68-70 E Ash Lane, Milton, WI 53563

$549,900

0.30 AC lot

Two residential units feature private entries, attached garages, efficient layouts, and contemporary finishes.

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Two-Flat with In-Unit Laundry

612 Yuba Street, Janesville, WI 53545

$235,000

1,982 sqft

Two spacious units with original woodwork, hardwood floors, and in-unit laundry, plus a newer 2-car garage.

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New Two-Unit Duplex

56-58 E Ash Lane, Milton, WI 53563

$549,900

0.30 AC lot

Two contemporary residences combine private entrances, flexible layouts, and attached garage parking within a single investment property.

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New Two-Unit Duplex

118-120 E Ash Lane, Milton, WI 53563

$549,900

0.30 AC lot

Two residences feature private entrances, attached garages, and contemporary finishes.

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Duplex in Quiet Neighborhood

234-236 West Liberty Street, Evansville, WI 53536

$350,000

2,000 sqft

Investment opportunity with rental income potential or single-family conversion.

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Two-Unit Duplex with Garage

115 N Chatham Street, Janesville, WI 53548

$210,000

0.20 AC lot

R2-zoned duplex with distinct apartments, radiant heat, and shared basement storage and laundry connections.

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Updated Two-Unit Duplex

1309 Jerome Avenue, Janesville, WI 53546

$270,000

0.20 AC lot

Two spacious units offer separate mechanical systems, private basements, and divided garage space.

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Two-Unit Duplex with Split Yard

515 North Pearl Street, Janesville, WI 53548

$199,900

1,511 sqft

Two residential units feature recent improvements, updated mechanicals, and separate outdoor areas near downtown Janesville.

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Two-Unit Duplex with Garage

389 Rockport Road, Janesville, WI 53548

$205,000

0.13 AC lot

Tenant-occupied units offer matching two-bedroom layouts, hardwood floors, formal dining rooms, and full kitchens.

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Two-Unit Duplex with Attached Garages

1832-1834 W Kyle Circle, Beloit, WI 53511

$524,900

0.30 AC lot

New construction offers efficient layouts, contemporary finishes, and forced-air heating in a residential setting.

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Income Duplex with Garage Rentals

1117 Wheeler Street, Janesville, WI 53545

$249,013

1,800 sqft

Two-unit duplex includes separate garage rentals and two 2-bedroom, 1-bath residential units.

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New Construction Duplex With Garages

1812-1814 W Kyle Circle, Beloit, WI 53511

$524,900

0.30 AC lot

Contemporary finishes and efficient layouts create a single-family living experience for renters.

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New Duplex with Attached Garages

1802-1804 W Kyle Circle, Beloit, WI 53511

$524,900

0.30 AC lot

Two contemporary residences offer efficient layouts, private garages, and convenient regional highway access.

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Duplex with Detached Garage

126 Maple Street, Evansville, WI 53536

$239,900

1,592 sqft

Two residential units include a covered porch, off-street parking, and a detached garage.

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New Two-Unit Duplex

1822-1824 W Kyle Circle, Beloit, WI 53511

$524,900

0.30 AC lot

Under-construction residential income property with modern layouts, attached garages, and regional interstate access.

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Updated Duplex with Private Basement

503 West Rollin Street, Edgerton, WI 53534

$250,000

1,950 sqft

Two-unit duplex with updated interiors, in-unit laundry in the lower unit, and a new roof completed in 2025.

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Three-Duplex Rental Package

1896-1898 Murphy Woods Road, Beloit, WI 53511

$900,000

4,080 sqft

Professionally managed rental properties feature updated roofing, HVAC systems, and cosmetic improvements.

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Rock County, WI Duplexes Market Trends and Statistics

Explore 55 duplexes for sale in Rock County, WI, showcased through 55 active listings on our real estate platform. These investment opportunities span a total of 31,139 square feet of properties for sale, with an estimated market value of $13,028,913.

Sale prices for duplexes in Rock County, WI start at $89,900, averaging $372,254, and reaching up to $900,000 — 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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