Jefferson County, NY Triplexes for sale

Updated: Jul 9

Updated Triplex with Boat Slips

12093 County Route 125, Chaumont, NY 13622

$449,000

1,832 sqft 0.20 AC lot

Three‑unit residential building with 1,832 square feet
Up to 25 boat slips along the lakefront
Fully updated triplex with three bedrooms and three bathrooms
0.2‑acre property with Lake waterfront
Additional lot available for separate purchase

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Updated: Jun 18

Renovated Three-Unit Multifamily Property

723 Franklin Street, Watertown, NY 13601

$159,900

2,378 sqft 0.12 AC lot

Three‑unit multifamily property with 2,378 square feet
0.1215‑acre corner lot at 723 Franklin Street
Updated kitchens, bathrooms, flooring, and interior finishes
Separate utilities for the three apartments
Vinyl siding and off‑street parking

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Triplex with Private Yard

1011 Gotham Street, Watertown, NY 13601

$250,000

2,595 sqft 0.93 AC lot

Includes two two-bedroom apartments and one three-bedroom unit, each with one bathroom.

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Waterfront Marina with Multifamily Units

16 Bethune St, Alexandria Bay, NY 13607

$3,900,000

8,800 sqft

Multi-building waterfront operation includes dockage, retail space, and on-site residential units.

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Three-Unit Triplex with Backyard

132 William Street, Watertown, NY 13601

$119,000

2,684 sqft 0.20 AC lot

Income property with three occupied apartments, a basement, and public water service near Watertown’s central amenities.

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Triplex with Off-Street Parking

521 Francis Street, Carthage, NY 13619

$210,000

2,856 sqft 0.26 AC lot

Three separate apartments offer varied bedroom configurations in a residential income property near local amenities.

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Three-Unit Multifamily Property with Porches

415 N Clinton Street, Carthage, NY 13619

$209,000

2,132 sqft 0.30 AC lot

Well-maintained village multifamily property with private outdoor areas, laundry facilities, a garage, and separate unit utilities.

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Three-Unit Multifamily Property

228 Keyes Avenue, Watertown, NY 13601

$339,000

5,114 sqft

Three residential units are leased to established occupants near downtown, a hospital, and schools.

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Updated Three-Unit Multifamily Property

405 N Main Street, Mannsville, NY 13661

$199,000

2,636 sqft 0.85 AC lot

Three occupied apartments with varied unit sizes and tenant-service inclusions support an established residential income configuration.

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Updated Three-Unit Triplex

522 Cross St, Watertown, NY 13601

$230,000

1,958 sqft

Two occupied apartments and a vacant one-bedroom unit support flexible residential income use.

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Triplex with Detached Garage

27 Bridge St, Carthage, NY 13619

$148,900

2,900 sqft

Three-unit property with varied bedroom layouts and renovation needs.

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Watertown Triplex on Acre Lot

1011 Gotham St, Watertown, NY 13601

$279,000

0.93 AC lot

Well-maintained triplex with spacious units and large lot.

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Updated Waterfront Triplex

Chaumont, NY 13622

$449,000

Fully updated three-unit property with waterfront setting and rentable boat slips.

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Three-Unit Building with Renovation Potential

6 Depot St, Antwerp, NY 13608

Contact for pricing

0.22 AC lot

Three-unit building with potential for a fourth unit.

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Jefferson County, NY Triplexes Market Trends and Statistics

Explore 14 triplexes for sale in Jefferson County, NY, showcased through 14 active listings on our real estate platform. These investment opportunities span a total of 35,885 square feet of properties for sale, with an estimated market value of $6,941,800.

Sale prices for three-family homes in Jefferson County, NY start at $119,000, averaging $533,984, and reaching up to $3,900,000 — offering options for a variety of budgets and business needs. Daily updated analytics ensure you stay ahead with the latest data and market trends.