Somerset County, NJ Duplexes for Sale

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Updated: Jun 30

Duplex with Large Rear Yard

173 Clinton Street, South Bound Brook, NJ 08880

$629,900

3,598 sqft 0.30 AC lot

3,598 square feet on a 0.2966‑acre lot
Two apartments: first floor vacant; second- and third‑floor unit tenant occupied
First unit has 3 bedrooms plus a den or flexible fourth room
Second unit includes 5 bedrooms, 2 full baths, living room, kitchen, and dining area
Separate heating systems, hot water heaters, gas meters, and electric meters

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173 Clinton Street, South Bound Brook, NJ 08880

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Est. Cap Rate

8.2%
Above avg (5.9%)
Est. NOI

$51K
Annual
Price @ 7% Cap

$734K
Above asking
Property Type

Single Family Residence
Built 1920

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Updated: Aug 13

Approved Two-Unit Conversion Property

281 E Main St, Somerville, NJ 08876

$849,000

4,496 sqft 0.34 AC lot

Approved plans for two 3‑bedroom, 3 full‑bath residences
4,496 square feet on a 0.34‑acre parcel
Unit 1 planned at approximately 1,843 square feet
Unit 2 planned at approximately 2,461 square feet across the second and third floors
Six proposed parking spaces with site lighting and drainage improvements

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Updated Duplex with Full Basement

117 Mountain View Rd, Hillsborough, NJ 08844

$699,999

2,042 sqft 1.03 AC lot

Two-story duplex with hardwood floors, newer siding, and a shingle roof on an over-acre lot.

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Updated Duplex with New Systems

241 N 3Rd Ave, Manville, NJ 08835

$600,000

1,584 sqft 0.11 AC lot

Two leased units include separate laundry, basement storage, and access to a fenced backyard with deck.

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Updated Two-Unit Duplex

241 N 3rd Ave, Manville, NJ 08835

$600,000

1,584 sqft

Two leased residential units combine practical layouts with basement storage, outdoor space, and recently completed major improvements.

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Duplex with Detached Garage

3 E High Street E, Bound Brook, NJ 08805

$484,900

1,674 sqft 0.16 AC lot

Two one-bedroom apartments feature shared laundry and separate storage areas, with porch access and tenant occupancy in place.

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Duplex with Detached Garage

224 N 9th Avenue, Manville, NJ 08835

$449,000

1,920 sqft 0.17 AC lot

Two-story layout includes bedrooms on both levels and a paved, gated driveway.

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Two-Unit Residential Income Home

185 West Cliff Street, Somerville, NJ 08876

$685,000

882 sqft

Two separate units with independent entrances, dedicated off-street parking, and laundry hookups in a low-maintenance basement setting.

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Duplex with Partially Finished Basement

240 Cedar St, South Bound Brook, NJ 08880

$675,000

0.15 AC lot

Two renovated units feature separate utilities, private laundry, and access to a fenced yard.

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Two-Unit Duplex with Porch

437 Talmadge Ave, Bound Brook, NJ 08805

$649,000

0.20 AC lot

Separate utility systems serve the two residential units, each with laundry hookups and storage space.

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Approved Two-Unit Conversion Property

281 E Main St E, Somerville, NJ 08876

$849,000

2,142 sqft

Approved plans provide two private residences with separate entrances and substantial living areas.

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Two-Story Duplex

1717 W Camplain Rd, Manville, NJ 08835

$785,000

0.18 AC lot

Residential income property with four bedrooms, four bathrooms, and public water and sewer service.

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Two-Unit Duplex with Parking

185 W Cliff St, Somerville, NJ 08876

$670,000

0.20 AC lot

Separate entrances, dedicated off-street parking, and a wraparound porch support privacy for both residences.

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Two-Unit Duplex with Attic Storage

206 Ann St, Hillsborough, NJ 08844

$615,000

2,208 sqft

Two-story units offer distinct living spaces, shared attic storage, and separate occupancy arrangements.

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Side-by-Side Duplex

87-89 W Somerset St, Raritan, NJ 08869

$550,000

2,084 sqft 0.11 AC lot

Two residential units offer matching layouts with on-site parking and access to downtown amenities.

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Duplex with Finished Basement and Deck

659 S 2nd Street, Plainfield, NJ 07060

$599,900

1,800 sqft 0.07 AC lot

Duplex with a finished basement, deck, forced-air heat, and public water and sewer services.

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Renovated Duplex with Garages

4 Fairview Avenue, Somerville, NJ 08876

$699,900

1,200 sqft

Two-family property with updated interiors, basement laundry, attic storage, and on-site vehicle parking.

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Two-Unit Duplex with Finished Basement

659 S 2nd Street, Plainfield, NJ 07060

$599,900

1,800 sqft 0.07 AC lot

Two residential units offer kitchens, living areas, bedrooms, and a finished basement.

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Remodeled Duplex with Separate Utilities

317 Ware Ct, Bound Brook, NJ 08805

$650,000

1,920 sqft

Two distinct living spaces include a fully renovated primary unit and a single-level second residence.

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Duplex with Detached Two-Car Garage

30 Rockview Ter, North, Plainfield, NJ 07060

$529,000

0.15 AC lot

Well-maintained two-unit property with a deck, central air, and public utilities.

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Brick Duplex with Detached Garage

914 Old York Road, Raritan, NJ 08869

$649,900

1,200 sqft

Two-unit residence with separate utilities, private porches, basement recreation areas, and outdoor amenities on a landscaped lot.

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Two-Unit Duplex Property

18 Fisher Ave, Bound Brook, NJ 08805

$599,900

0.09 AC lot

Tenant-occupied residences provide separate driveways, flexible month-to-month leasing, and a practical two-home configuration.

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Updated Two-Family Duplex

23 Home Street, Somerset, NJ 08873

$585,000

1,006 sqft

Duplex with one occupied unit and a second unit available for occupancy or new tenancy.

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Duplex with Fully Finished Attic

102 Watchung Ave, North, Plainfield, NJ 07060

$599,900

0.09 AC lot

Duplex with a fully finished attic, plus a fully finished basement and outdoor living with off-street parking for at least four vehicles.

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Somerset County, NJ Duplexes Market Trends and Statistics

Explore 47 duplexes for sale in Somerset County, NJ, showcased through 47 active listings on our real estate platform. These investment opportunities span a total of 33,140 square feet of properties for sale, with an estimated market value of $30,563,699.

Sale prices for duplexes in Somerset County, NJ start at $400,000, averaging $664,428, and reaching up to $2,995,000 — 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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