Jefferson County, NY Duplexes for Sale

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Updated: Jul 16

Two-Story Duplex with Two Porches

416 S James Street, Carthage, NY 13619

$214,900

2,402 sqft 0.40 AC lot

0.4‑acre lot with duplex building totaling 2,402 SF
Built in 1880 with vinyl siding and a metal/asphalt roof
Two‑story layout: each apartment has 3 bedrooms and 1.5 bathrooms
Front porch plus private back porch for each unit
Occupied unit full bath renovated approximately two years ago; vacant unit freshly painted

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416 S James Street, Carthage, NY 13619

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Est. Cap Rate

9.2%
Above avg (5.9%)
Est. NOI

$20K
Annual
Price @ 7% Cap

$283K
Above asking
Property Type

Duplex
Built 1880

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Updated: Jul 28

Side-by-Side Duplex with Two Meters

8337 S Main Street, Evans Mills, NY 13637

$229,900

1,860 sqft 0.42 AC lot

Side‑by‑side duplex with two‑story layout, designed for separation between units
Unit mix: 3 bedrooms/2 full bathrooms and 2 bedrooms/1 full bathroom
Recently updated first‑floor bathroom
Two separate electrical meters and panels for multi‑unit convenience
0.4165‑acre lot and 1,860 sq ft total size

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Duplex with Garage and Renovated Unit

606 Lansing Street, Watertown, NY 13601

$119,900

1,543 sqft 0.29 AC lot

Duplex in Watertown, NY on a public water lot with natural gas forced-air heat and a garage.

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Two-Unit Duplex Investment

135 S Orchard St, Watertown, NY 13601

$190,000

3,057 sqft

Spacious duplex offers two occupied units with 6 bedrooms and 2 full bathrooms total, totaling about 3,057 sq. ft. of living space.

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Two-Unit Duplex With Side Porches

308 Mullin Street, Watertown, NY 13601

$199,000

2,682 sqft 0.10 AC lot

Two-unit duplex with separate side porches and off-street parking, featuring forced-air natural gas heat.

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Two-Unit Duplex With Garage

632 Hillcrest Avenue, Watertown, NY 13601

$234,900

1,745 sqft 0.14 AC lot

Updated residential income property with separate living spaces, private patios, parking, and a spacious backyard.

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Two-Unit Duplex With Deck

30/32 Liberty Street, Adams, NY 13605

$179,900

2,261 sqft 0.35 AC lot

Two-unit duplex with both apartments tenant occupied, plus a deck and porch, built in 1930.

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Renovated Duplex with Two Porches

416 S James St, Carthage, NY 13619

$214,900

Well-maintained duplex with two 3-bedroom units, separate utilities, and shared laundry in a basement.

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Duplex with In-Unit Laundry

345 Brainard Street, Watertown, NY 13601

$240,000

2,356 sqft 0.16 AC lot

Watertown duplex with two bedrooms per unit, in-unit laundry, and separate utilities, plus off-street parking and a detached garage.

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Craftsman Duplex with Private Yard

214/218 Charles Street, Watertown, NY 13601

$169,900

1,694 sqft 0.18 AC lot

Mirror-image side-by-side duplex offers separate entrances, dedicated yard space, and private laundry hookup basements.

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Updated Two-Unit Duplex

133 Central Street, Watertown, NY 13601

$225,000

Two apartments offer laundry, separate access, and recent interior and site improvements.

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Duplex with Front Porch

206 S Hamilton Street, Watertown, NY 13601

$199,900

2,198 sqft 0.12 AC lot

Two-unit duplex with separate meters, a full basement, off-street parking, and a front porch in Watertown.

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Duplex with Detached Garage

551 Coffeen Street, Watertown, NY 13601

$180,000

1,820 sqft 0.29 AC lot

Two-bedroom, one-bath apartments with a detached garage, porch features, and public utilities on a small Watertown lot.

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Duplex with Garage

632 Hillcrest Ave, Watertown, NY 13601

$234,900

Two residential units offer distinct layouts, private outdoor areas, and on-site parking.

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Two-Unit Duplex with Partially Completed Kitchen

111 N Orchard Street, Watertown, NY 13601

$94,900

2,064 sqft 0.25 AC lot

Two-unit duplex with original tin ceilings, partially completed kitchen, and dual-level first unit plus single-level second unit.

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Two-Unit Duplex with Separate Utilities

1021 Boyd Street, Watertown, NY 13601

$155,000

1,882 sqft 0.11 AC lot

Well-maintained two-unit duplex with two bedrooms per unit, separate utilities, and recent mechanical and exterior improvements.

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Side-by-Side Duplex With Large Yard

8337 S Main St, Evans Mills, NY 13637

$229,900

Side-by-side duplex with two separate electric services, a recently updated first-floor bathroom, and a large yard for multi-unit use.

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Duplex with Garage on Corner Lot

126 S Rutland Street, Watertown, NY 13601

$129,000

2,768 sqft 0.19 AC lot

Two-unit duplex with one rented side and one vacant side, featuring a garage, corner lot, and updated roof and furnace.

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Two-Unit Duplex with Side Porches

308 Mullin St, Watertown, NY 13601

$199,000

Well-maintained two-unit duplex with separate side porches, off-street parking, and a year-built 1900 structure.

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Duplex with Tenant Garage Space

537 Cross Street, Watertown, NY 13601

$180,000

1,382 sqft 0.20 AC lot

Well-maintained Watertown duplex with vinyl siding, public utilities, and notable garage space for tenant use.

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Owner-Occupied Duplex with Two 2BR Units

618 Boyd St, Watertown, NY 13601

$178,900

Two 2-bedroom, 1-bath apartments with separated utilities except heat, combining rental income potential and owner occupancy.

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Duplex on Corner Lot with Separate Utilities

340-342 N Rutland Street, Watertown, NY 13601

$89,900

2,310 sqft 0.16 AC lot

Two-family duplex on a corner lot with separate utilities and off-street parking near Fort Drum and local amenities.

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Renovated Duplex With Two Units

606 Lansing St, Watertown, NY 13601

$119,900

Duplex offers one occupied unit and a move-in-ready, recently renovated unit for flexible living or rental use.

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Duplex With Two Occupied Units

135 S Orchard Street, Watertown, NY 13601

$190,000

3,057 sqft 0.13 AC lot

Spacious duplex with two occupied units offering 6 bedrooms and 2 full bathrooms, heated by forced-air natural gas.

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Jefferson County, NY Duplexes Market Trends and Statistics

Explore 51 duplexes for sale in Jefferson County, NY, showcased through 51 active listings on our real estate platform. These investment opportunities span a total of 43,798 square feet of properties for sale, with an estimated market value of $8,264,389.

Sale prices for duplexes in Jefferson County, NY start at $87,500, averaging $183,653, and reaching up to $374,900 — 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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