Nassau County, NY New Construction Homes for Sale
Explore new construction homes for sale in Nassau County, NY, featuring properties built in 2020 or later. These newer residences may offer contemporary layouts, modern finishes, updated building systems, and thoughtfully planned outdoor spaces. Located on western Long Island, Nassau County includes a wide variety of communities near parks, beaches, shopping, dining, and transportation connections. Browse the listings below to discover a newer home that matches your preferred location, lifestyle, and property goals.
Discover Newer Homes Across Nassau County
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Listings courtesy of OneKey® MLS as distributed by MLS GRID. Based on information submitted to the MLS GRID as of October 8, 2026 7:00 PM EDT. All data is obtained from various sources and may not have been verified by broker or MLS GRID. Supplied Open House Information is subject to change without notice. All information should be independently reviewed and verified for accuracy. Properties may or may not be listed by the office/agent presenting the information. IDX information is provided exclusively for consumers’ personal noncommercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. The data is deemed reliable but is not guaranteed by MLS GRID. The use of the MLS GRID Data may be subject to an end user license agreement.