Duplex

Seaford, NY Duplexes for Sale

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Massapequa, NY Wantagh, NY Oyster Bay, NY Bellmore, NY Massapequa Park, NY Merrick, NY Hempstead, NY Amityville, NY
Renovated Corner-Lot Two-Family Residence
Updated: Jun 26
Renovated Corner-Lot Two-Family Residence

3914 Waverly Avenue, Seaford, NY 11783

$1,200,000
0.13 AC lot
51 x 111 corner lot zoned BUSINESS; also zoned BUSINESS on Jackson Ave
Legal two‑family with separate entrances and private yard space for both units
First‑floor 3‑bedroom, 1‑bath unit plus second‑floor 2‑bedroom, 1‑bath unit
Fully renovated interior and exterior including new roof, siding, windows, insulation, electrical and plumbing
Fully finished basement with private exterior access
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Turn a Listing Into an Investment Snapshot Cap Rate, Potential NOI, Demand score for every listing. Go To Analytics Center
Based on your search, we've compiled 5 Potential Opportunities for your consideration. Besides 1 Active listings in Seaford, 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.

Mixed-Use Income Property
Mixed-Use Income Property

5651-5661 MERRICK RD, Massapequa, NY 11758

$1,499,000
6,000 sqft

Four-unit property includes an auto repair shop, outdoor storage lot, two residential units, and office/retail space.

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Two-Unit Home with Garage
Two-Unit Home with Garage

21 Locust Avenue, Amityville, NY 11701

$829,000
0.36 AC lot

Permitted two-family property with separate utilities, finished basements, and a tenant-occupied secondary residence.

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Colonial Duplex with Gunite Pool
Colonial Duplex with Gunite Pool

140 Baltimore Avenue, Massapequa, NY 11758

$1,299,988
0.18 AC lot

Colonial duplex with a new roof in 2025, 41 owned solar panels, and a private gunite pool for year-round outdoor living.

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Victorian Two-Family Residence
Victorian Two-Family Residence

38 Park Avenue, Amityville, NY 11701

$1,750,000
0.42 AC lot

Victorian-style two-family home configured with two 3-bedroom, 1-bath units in a residential income setting.

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Seaford, NY Duplexes Market Trends and Statistics

Explore 1 duplexes for sale in Seaford, NY on our real estate platform.

Sale prices for duplexes in Seaford, NY average $1,200,000 — 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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Top Commercial Asset Segments

Commercial property segments ranked by active listings on the market

Duplexes 1
Triplexes 1

Demographics Overview

Population 22K
Population Growth (5Y) +1.5%
Median Household Income $164,128
College Educated 66.0%

High-Yield Neighborhoods for Investment

Identify Seaford submarkets with the highest inventory density on the market and evaluate the average listing prices of real estate assets

Neighborhood Average Price
11783 $1.2M

Taxes & Financing

Average Loan-to-Value 65.0%

Listings Trend

New vs delisted commercial listings in Nassau County

New Delisted

Total CRE Inventory on Market (SF)

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