Schedule Tour
$1,988,000

31 Underhill Ave

Syosset, NY
Active
5
Bedrooms
4
Bathrooms
2,700
Square Feet
0.16
Lot Size (acres)
2026
Year Built
94
Days On Market

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!

Take the 3D virtual tour →

Listing Information

Listing Updated
6 days ago
Listed By
Debra McSheffrey Kiehn · Signature Premier Properties, 5169211400
MLS#
1025506
Source
OneKey MLS
Status
Active

Facts & Features

Location

Community Information

Address
31 Underhill Ave, Syosset, NY 11791
City
Syosset
County
Nassau
Zip Code
11791

Architecture

Bedrooms
5
Bathrooms
4
Year Built
2026
Style
Colonial
Construction Materials
Frame
Building Area
2,700 sq. ft.
Garage
Yes
Garage Spaces
1
Parking Features
Driveway, Electric Vehicle Charging Station(s)

Features & Amenities

Interior Features
Kitchen Island, Granite Counters, Double Vanity, Recessed Lighting, Open Floorplan, Crown Molding
Appliances
Dryer, Dishwasher, Refrigerator, Washer, Tankless Water Heater, Stainless Steel Appliance(s)
Flooring
Hardwood, Tile
Patio and Porch
Patio
Cooling
Central Air
Heating
Natural Gas

Property Features

Lot Size
0.16 Acres
Lot Features
Level, Back Yard, Front Yard
Water
Public
Sewer
Public Sewer
Utilities
Natural Gas Available, Natural Gas Connected, Electricity Connected, Sewer Connected, Water Connected

Square Footage

Total
2,700 sq. ft.

Tax & Financial Information

List Price
$1,988,000

Schools

77/100
Willits Elementary School
Elementary · Grades KG–05 · 0.4 mi
Assigned school for this home
City
Syosset
Students
301
Parent reviews
5.0★ avg · 2 reviews
Student body
52% Asian · 42% White · 4% Hispanic / Latino
Free/reduced lunch
15%
Phone
(516) 364-5829
55/100
H B Thompson Middle School
Middle · Grades 06–08 · 0.5 mi
Assigned school for this home
City
Syosset
Students
900
Student body
47% White · 46% Asian · 5% Hispanic / Latino
Free/reduced lunch
9%
Phone
(516) 364-5760
100/100
Syosset Senior High School
High · Grades 09–12 · 1.8 mi
Assigned school for this home
City
Syosset
Students
2,100
Parent reviews
5.0★ avg · 2 reviews
Student body
66% White · 29% Asian · 3% Hispanic / Latino
Free/reduced lunch
6%
Phone
(516) 364-5675
100/100
Berry Hill Elementary School
Elementary · Grades KG–05 · 1.9 mi
City
Syosset
Students
388
Student body
72% White · 24% Asian · 2% Hispanic / Latino
Free/reduced lunch
3%
Phone
(516) 364-5790
89/100
Plainview-Old Bethpage Kindergarten Center
Grades M–M · 1.6 mi
City
Plainview
Students
292
Student–teacher
12.6
Parent reviews
5.0★ avg · 2 reviews
Student body
70% White · 20% Asian · 7% Hispanic / Latino
Free/reduced lunch
5%
Phone
(516) 434-3479
78/100
Walt Whitman Elementary School
Elementary · Grades KG–05 · 1.9 mi
City
Woodbury
Students
391
Parent reviews
5.0★ avg · 2 reviews
Student body
61% White · 29% Asian · 4% Hispanic / Latino
Free/reduced lunch
11%
Phone
(516) 364-5823
77/100
Judy Jacobs Parkway Elementary School
Elementary · Grades KG–04 · 1.4 mi
City
Plainview
Students
467
Student–teacher
10.2
Student body
52% White · 38% Asian · 7% Hispanic / Latino
Free/reduced lunch
10%
Phone
(516) 434-3358
76/100
Village Elementary School
Elementary · Grades KG–05 · 1.1 mi
City
Syosset
Students
399
Parent reviews
5.0★ avg · 4 reviews
Student body
45% White · 42% Asian · 6% Hispanic / Latino
Free/reduced lunch
7%
Phone
(516) 364-5817

School ratings are provided for informational purposes only and are subject to change. Attendance boundaries are for reference only — contact the school or district directly to verify enrollment eligibility.

Historical Data

Price History

DateEventPrice
09/25/2026Price change$1,988,000
07/16/2026Listed for sale$2,090,000

Listed by Debra McSheffrey Kiehn · Signature Premier Properties · 5169211400

Listing information 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 by the MLS. The listing broker’s offer of compensation is made only to participants of the MLS where the listing is filed. Copyright 2026, OneKey MLS. All rights reserved.

Last Updated: October 11, 2026 at 8:14 PM | Source: OneKey MLS | MLS#: 1025506

Let's work together

Start Your Real Estate Journey

Whether you have questions about this listing, want to schedule a showing, or just want to talk through your options, James Haydon is here to help. Reach out and expect a response within one business day.

How can I help?

James Haydon is here to help. Reach out and expect a response within one business day.

Lending calculator

Make A Plan For Your Purchase

Know what you can afford before you start shopping — then run the numbers on any home you have in mind.

How much house can I afford?

$500,000
You can afford
$0
Monthly payment
  • Principal & interest
  • Property taxes
  • Homeowner's insurance
  • HOA dues

Enter your income, debts, and down payment to see how much home you may qualify for. Estimates only — not a lending decision.

Want to know more?

James Haydon is here to help. Reach out and expect a response within one business day.