31 Underhill Avenue Syosset, NY $ 2,090,000
31 Underhill Avenue
$ 2,090,000
Recently Listed
Open House 7/18 1:30pm - 3:30pm
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31 Underhill Avenue

Syosset, NY, 11791
$ 2,090,000
Bedrooms5 Baths4.0 Sq 2,700

Monthly Estimate*

$ 13,196

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Single Family Home for sale in Syosset, NY

for $2,090,000 with 5 bedrooms and 4 full baths. This 2,700 square foot home was built in 2026 on a lot size of 0.1561.

New luxury construction in Syosset. Experience exceptional craftsmanship and modern luxury in this stunning new construction home, thoughtfully designed with today’s lifestyle in mind. Offering five spacious bedrooms and four full bathrooms. This home seamlessly blends elegant finishes with functional living space. The main level features a desirable first floor bedroom and full bath, ideal for guests, extended family, or private home office. The heart of the home is a chef inspired gourmet kitchen beautifully appointed with top-of-the-line appliances, custom cabinetry, designer lighting and an open layout perfect for entertaining. The sun filled living and dining area flow effortlessly together with convenient access to the attached garage Upstairs retreat to the luxurious primary suite featuring a spacious walk-in closet and a spa like bath, complete with a soaking tub, oversized walk-in shower and premium finishes. A junior en-suite offers its own private full bath with a walk-in shower while two additional generously sized bedrooms share a beautiful appointed full bath. A conveniently located second floor laundry room completes the upper level. Every detail has been carefully selected from the designer lighting and elegant fixtures to the high-quality craftsmanship found throughout. Simply unpack, add your personal style and enjoy effortless luxury. Perfectly situated within the Syosset school district this exceptional home is just minutes from major highways, the Syosset library, parks, shopping, dining and everything the community has to offer. A rare opportunity to own a brand new luxury home in one of Long Island’s most sought after neighborhoods. This is truly one you don’t want to miss!

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Open House

7/18/2026 1:30 PM - 3:30 PM
7/19/2026 12:00 PM - 1:30 PM
31 Underhill Avenue Syosset, NY
* Some states or local ordinances may prohibit Open Houses at this time, please confirm with your Weichert agent or local rep to confirm

Single Family Active

Price

$ 2,090,000

Bedrooms

5

Full Bath

4

Property Type

Single Family

Taxes

$ 0

Style

Colonial

Lot Size

0.1561

Year Built

2026

Town/City

Syosset

County/Region

Nassau

MLS | Web ID

1025506

Features
Interior
Interior Amenities Chefs Kitchen Crown Molding Double Vanity Granite Counters Kitchen Island Open Floorplan Primary Bathroom Recessed Lighting
Basement Full
Flooring Hardwood Tile
Basement Features Full
Basement (Y/N) Y
Fireplace Y/N N
Half Baths 0
Total Bedrooms 5
Total Baths 4
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General
Sewer Public Sewer
Heating Natural Gas
Cooling Central Air
Utilities Electricity Connected Natural Gas Connected Sewer Connected Water Connected
Appliances Dishwasher Dryer Refrigerator Stainless Steel Appliance(s) Tankless Water Heater Washer
Garage Spaces 1
Patio/Porch Features Patio
Architectural Style Colonial
Construction Materials Frame
Year Built 2026
Property Subtype Single Family Residence
Tax Year 2026
Parcel Number 2489-15-081-00-0003-0
County Nassau County
Property Type Residential
HOA N
Garage Y/N Y
Total Rooms 9
Full Baths 4
High School Syosset Senior High School
City Oyster Bay
Senior Community Y/N N
High School District Syosset
Carport Y/N N
Elementary School Willits Elementary School
Property Attached Y/N N
Tax Annual Amount 0
Middle/Junior High School H B Thompson Middle School
Property Condition New Construction
Additional Parcels Y/N N
Virtual Tour https://view.dynamicmediasolutions.com/31_underhill_ave-4217?branding=false https://view.dynamicmediasolutions.com/31_underhill_ave-4217
Building Area Units Square Feet
Standard Status Active
Middle/Junior School District Syosset
Elementary School District Syosset
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Exterior
Fencing Fenced
Parking Features Driveway Electric Vehicle Charging Station(s) Driveway Electric Vehicle Charging Station(s)
Water Source Public
Building Area Total 2700
Waterfront Y/N N
Horse Y/N N
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Internal Only
Street Number 1 31
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* Excluded Features
List By
Debra McSheffrey Kiehn

Listing Agent

Signature Premier Properties

Broker

516-647-6749

Contact

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$13,196
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Monthly Principal & Interest
$13,196
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Default based on a 30-year fixed rate of 6.49% with 20% down. The estimated payment is offered for convenience and is not an offer of credit. Due to market fluctuations, interest rates are subject to change at any time and without notice. Your individual rate may vary. Rates may differ for FHA, VA or jumbo loans.
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Nearby
4098906 Elementary School
4101106 Middle School
Syosset Senior High School High School
Pricing History
DatePricePrice ChangeDescription
7/16/2026$2,090,000 Listed Price

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31 Underhill Avenue, Syosset, NY, 11791 is a Single Family Home for sale at $2,090,000 with 2,700 sqft and a lot size of 0.1561. 31 Underhill Avenue has 5 bedrooms, 4.0 baths, and was built in 2026. The property's zip code is 11791 which is in Syosset, NY