Suffolk County, NY Duplexes for sale

Updated: Aug 20

Renovated Duplex with Garage

32 & 34 Oakwood Road, Huntington, NY 11743

$1,399,000

0.28 AC lot

Two‑family duplex with 3 bedrooms and 1 full bath on each floor
0.28‑acre lot with 12,000+ sq. ft. of land
Updated kitchens and bathrooms in both residences
In‑unit laundry plus ductless A/C and heating in every room
Full basement with interior access and direct garage access

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Updated: Aug 12

Two-Home Duplex with Water Views

120 Soundview Drive, Rocky Point, NY 11778

$799,990

0.23 AC lot

Two residences on a 0.23‑acre lot
Main home with 4 bedrooms and 2 full bathrooms
Separate cottage with 2 bedrooms and 1 full bathroom
Unobstructed Long Island Sound views
Full basement with interior and exterior entrances

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Occupied Two-Family Duplex

776 S 5th Street, Lindenhurst, NY 11757

$769,999

0.23 AC lot

Legal two-unit residence with separate electric meters, gas service, garages, and tenant occupancy.

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Two-Unit Residential Income Duplex

17 Crescent Dr, Huntington, NY 11743

$1,200,000

1,800 sqft 0.56 AC lot

Two 2BR/2B units on a 0.56-acre parcel, offered for sale in Huntington Village.

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Cape Cod Duplex with Porch

3 Jarvis Court, Huntington, NY 11743

$749,999

0.25 AC lot

Legal two-family residence with a separate second-floor apartment and wood flooring.

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Two-Family Duplex with Separate Utilities

31 Crooked Hill Road, Huntington, NY 11743

$1,549,000

0.23 AC lot

Two rented units share a foyer and basement storage with individual laundry centers.

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Two-Family Duplex with Parking

57 JERMAIN AVE, Sag Harbor, NY 11963

$1,949,000

1,577 sqft 0.21 AC lot

Historic-district residence with separate living areas, multiple baths, and two kitchens for flexible occupancy.

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Two-Family Victorian Home

38 Park Avenue, Amityville, NY, Ny, NY 11701

$1,750,000

18,711 sqft 0.42 AC lot

Victorian two-family residence configured as 3 bedrooms and 1 bathroom on each level.

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Renovation-Ready Two-Family Property

33 Locust Avenue, Southampton, NY 11968

$999,999

0.46 AC lot

Two detached ranch homes share a legally designated two-family parcel in Southampton.

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Duplex with Updated Kitchens

458 N Magee Street, Southampton, NY 11968

$1,500,000

0.18 AC lot

Corner-lot property with two living areas, quartz counters, stainless appliances, and a full unfinished basement.

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Mixed-Use Retail Property

16500 Main St, New Suffolk, NY 11956

Contact for pricing

3,610 sqft

Retail space is paired with two leased apartments, creating a combined commercial and residential configuration.

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Corner-Lot Duplex

21 Locust Avenue, Amityville, NY 11701

$829,000

0.36 AC lot

Two residential units include finished basements, separate utilities, and a detached garage.

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Renovated Two-Family Property

47 Bushwick Avenue, Brentwood, NY 11717

$1,388,000

0.68 AC lot

Two-unit residence with updated kitchens, central air, driveway parking, and expansive outdoor space on a 0.68-acre parcel.

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Two-Home Duplex Property

15-17 Park Woods Ln, Kings Park, NY 11754

$1,625,000

1.00 AC lot

Legal two-family property with separate residences, an in-ground pool, and landscaped outdoor space.

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Mixed-Use Property with Detached Garage

2 1st Street, Coram, NY 11727

$649,990

0.25 AC lot

Two-level layout combines a three-bedroom residence with a separately entered lower unit and on-site parking.

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Beach-Access Duplex with Two Kitchens

5 Woodcliff Trail, Baiting Hollow, NY 11933

$399,990

0.12 AC lot

Seasonal duplex with separate living areas, vaulted ceilings, and multiple outdoor spaces.

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Renovated Duplex

32 & 34 Oakwood Road, Huntington, NY 11743

$1,399,000

Two residences offer updated kitchens, baths, private laundry, and separate room-by-room heating and cooling.

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Two-Family Duplex with Outdoor Space

401 Wiggins Street, Greenport, NY 11944

$1,297,000

0.12 AC lot

Separate residential units include central air, a front porch, deck, patio, and driveway parking.

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Renovated 6-Bedroom Duplex

458 N Magee St, Southampton, NY 11968

$1,500,000

Two kitchens, two living rooms, and a full unfinished basement provide a flexible residential layout.

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Duplex with Two-Story Barn

1220 Youngs Avenue, Southold, NY 11971

$1,249,000

0.46 AC lot

Legal two-family property with updated kitchens, wood floors, and Hamlet Business zoning in Southold.

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Duplex with Detached Garage

711 Broadway, Lindenhurst, NY

$649,000

Legal two-family property with an updated first-floor apartment and private laundry access for both units.

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Two-Unit Colonial Duplex

407 Wiggins Street, Greenport, NY 11944

$1,297,000

0.12 AC lot

Legal two-family property with separate units, outdoor amenities, and public utilities.

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Updated Two-Family Duplex

31 Crooked Hill Road, Huntington, NY 11743

$1,599,000

Two separately metered units with shared basement storage, individual laundry centers, and driveway parking.

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Colonial Duplex with Two-Car Garage

129 N 7th Street, Lindenhurst, NY 11757

$760,000

0.17 AC lot

Frame-built residential income property with five bedrooms, three full baths, and first-floor living accommodations.

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Suffolk County, NY Duplexes Market Trends and Statistics

Explore 46 duplexes for sale in Suffolk County, NY, showcased through 46 active listings on our real estate platform. These investment opportunities span a total of 26,898 square feet of properties for sale, with an estimated market value of $48,631,942.

Sale prices for duplexes in Suffolk County, NY start at $399,990, averaging $1,157,903, and reaching up to $6,500,000 — offering options for a variety of budgets and business needs. Daily updated analytics ensure you stay ahead with the latest data and market trends.

Featured Suffolk County Real Estate Agencies

Realmo connects you with licensed Suffolk County CRE brokers providing property specifications, local market pricing, and commercial transaction underwriting support.

Realty Connect USA

35 Arkay Dr Hauppauge, NY 11788

Phone: 16318815160

www.realtyconnectusa.com

Hampton Estates Realty LLC

7 Sunset Avenue West Hampton Beach, NY 11978

Phone: 16312886333

www.hamptonestatesrealty.com

Eric G. Ramsay Jr. Associate LLC

236 West Main St Bayshore, NY 11706

Phone: 16316651500