Oceanside, NY Duplexes for sale

Updated: Aug 17

Duplex with Finished Basement

254 Hempstead Avenue, Rockville Centre, NY 11570

$1,200,000

0.34 AC lot

Legal two‑family duplex with separate entrances
0.34‑acre property at 254 Hempstead Avenue, Rockville Centre, NY 11570
Upper residence includes 4 finished bedrooms across two levels
Finished basement with interior and exterior access
Private driveway and garage with loft space

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Updated: Jul 2

Duplex with Private Deck

174 S Long Beach Road, Rockville Centre, NY 11570

$1,150,000

0.13 AC lot

Legal two‑family duplex with two 3‑bedroom units
Each residence has a living room, dining area, separate kitchen, and 1.5 bathrooms
Upper unit includes an oversized private deck
Full finished basement with recreation room, laundry, storage, and separate rear entrance
Built in 1965 on 0.1309 acres

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Two-Unit Cottage with Storage

40 Rockville Avenue, Rockville Centre, NY 11570

$850,000

0.09 AC lot

Well-maintained duplex with separate utilities, flexible attic space, basement storage, and a landscaped rear yard.

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See what stands out in Nassau County

We check every for-sale listing in the county against comparable properties across the country. Most price about where you would expect. A few are worth a second look.

We check every listing here. A few are worth a second look.

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Mixed-Use Retail Warehouse Opportunity

433 Atlantic Avenue, Oceanside, NY 11572

$2,390,000

0.47 AC lot

Two two-family residences and a commercial warehouse/garage sit on a corner lot with extensive Atlantic Avenue frontage.

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Duplex with Detached Garage

15 Water Street, Rockville Centre, NY 11570

$849,000

0.18 AC lot

Two-unit residence with a finished basement, separate entry, driveway parking, and established tenants.

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Renovated Two-Family Duplex

199 Terrell Ave, Oceanside, NY 11572

$999,000

Two apartments offer distinct layouts, outdoor space, and in-unit laundry.

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Two-Family Home with Detached Garage

86 Woods Ave, Rockville Centre, NY 11570

$929,000

Separate entrances, flexible living areas, and substantial storage support a practical two-unit residential layout.

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Two-Unit Duplex Property

336 Oceanside Parkway, Oceanside, NY 11572

Contact for pricing

Two-level residential income property with separate kitchens, living rooms, bedrooms, and full bathrooms.

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Based on your search, we've compiled 12 Potential Opportunities for your consideration. Besides 8 Active listings in Oceanside, NY, we suggest exploring several alternatives: 4 properties in Nearby Cities

Opportunities in Nearby Cities

Here are 4 Similar properties we found in Nearby Locations for your consideration.

Two-Family Duplex Property

2 Carleton Pl, Baldwin, NY 11510

$599,999

1,532 sqft 0.09 AC lot

Two-family residential property near the Baldwin LIRR Station, area schools, and national retailers.

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Duplex with Detached Garage

59 Hampton Road, Lynbrook, NY 11563

$799,999

0.13 AC lot

Two residential units offer separate kitchens, laundry areas, and private access, with additional storage on the walk-up third floor.

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Legal Two-Family Duplex

68 Shipherd Avenue, Lynbrook, NY 11563

$799,800

0.11 AC lot

Well-maintained duplex with updated kitchens and baths, a finished basement, detached garage, and private outdoor space.

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Mixed-Use Property with Restaurant

97 Merrick Road, Baldwin, NY 11510

$1,199,000

0.06 AC lot

Ground-floor restaurant space is paired with two residential apartments above.

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Oceanside, NY Duplexes Market Trends and Statistics

Explore 8 duplexes for sale in Oceanside, NY, showcased through 8 active listings on our real estate platform.

Sale prices for duplexes in Oceanside, NY start at $849,000, averaging $1,195,285, and reaching up to $2,390,000 — offering options for a variety of budgets and business needs. Daily updated analytics ensure you stay ahead with the latest data and market trends.

Neighborhood	Average Price
11572	$1.7M

Neighborhood

Average Price

11572

$1.7M