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New Construction Homes in Islandia, NY

Start here

Homes for sale by state
Home buying tips
Before you start looking
The buying timeline

Afford it

Today's mortgage rates
Mortgage calculator
How much can I afford?
Get pre-approved

Make the deal

Writing a winning offer
Inspections & appraisals
Closing costs, itemized
Find a buyer's agent

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3 beds New construction With a pool

1 listing

Selling Options

What's my home worth?
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Get an instant cash offer
Buy before you sell

Resources

How selling works
When should I sell?
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Pricing your home
What's worth fixing first
Find a seller's agent

New Construction Homes in Islandia, NY

New Construction Homes in Islandia, NY

1 Listing

New Construction Homes in Islandia, NY

1 Listing

Your local brokerage

TO

Thomas O'Leary

Realty.com

Lic. #10311208632

22Active
$1,199,000
4 bd · 3 ba · 2,500 sqft
Lot 5 Lakeland Woods 5, Islandia, NY
Marion M. Wagner · RE/MAX Integrity Leaders
Your local brokerage
Thomas O'Leary
Realty.com
Lic. #10311208632
Call Thomas

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L. Custen Realty, Inc. d/b/a Realty.com/L. Custen Realty CT, LLC d/b/a Realty.com (Tom O’Leary-Broker)(CT properties only), 8323 Southwest Freeway, Suite 900, Houston, Texas 77074

The information provided by this website is for the personal, non-commercial use of consumers and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Listing data is derived from various Multiple Listing Services; each source MLS and its required disclaimer are shown with the listings on the applicable page. Realty.com is an independently owned and operated brokerage.

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New construction
With a pool

Listing data & MLS disclosures

OneKey MLS: The data relating to real estate for sale on this website comes in part from the Internet Data exchange of OneKey MLS. IDX information is provided exclusively for consumers' personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Information deemed reliable but not guaranteed. Copyright © 2026 OneKey MLS. All Rights Reserved

Islandia, NY community profile

Population: 3,669
Median income: $108,026
Housing units: 1,055
People per sq. mi.: 1,667.7
Area: 2.2 sq. mi.

Source: HJN community data

Islandia housing market

July 2026 · This period is still settling

Housing stock — every home in the area, not only the ones selling or listed · Assessor records, as of Jul 15, 2026

Median home size: 1,764 sq. ft.