31 Chestnut Hill Drive Upper Brookville, NY $ 10,750,000
31 Chestnut Hill Drive
$ 10,750,000
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31 Chestnut Hill Drive

Upper Brookville, NY, 11771
$ 10,750,000
Bedrooms6 Baths6.4 Sq 10,109

Monthly Estimate*

$ 66,190

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Single Family Home for sale in Upper Brookville, NY

for $10,750,000 with 6 bedrooms and 6 full baths, 4 half baths. This 10,109 square foot home was built in 1989 on a lot size of 5.

Maison Blanche: An Architectural Icon in Upper Brookville Experience the pinnacle of ultra-modern luxury at 31 Chestnut Hill Drive. Set on five flat, private acres at the crest of a premier cul-de-sac, this architectural sanctuary was originally designed by the renowned architect Gary Gallagher and redesigned by award-winning FAIA architect Stuart Narofsky, leading to an extensively renovated (2023–2026) masterpiece. The residence features six bedrooms with en-suite bathrooms, four additional half-baths, to include an expansive first-floor primary suite. Architectural highlights include two custom floating staircases with glass railings, porcelain and white oak floors, and frameless full-bodied Belldinni doors. The chef’s kitchens in the main and guest houses are equipped with Wi-Fi-controlled Thermador appliances and specialty quartz islands. Uniquely designed for wellness and entertainment, the second-floor features 3 bedrooms and a private gym and Finnish sauna, while the lower level boasts a Dolby-Atmos theater, wine tasting room, a yoga/massage spa, and a wet bar. Outside, a heated saline pool and spa are framed by a porcelain patio and an unobstructing glass railing, and an outdoor wet kitchen. App-controlled for the modern age, the estate features smart management of the custom steel entry gate, five-zone HVAC, motorized shades, security, and a whole-house generator. This is the new standard of Gold Coast living.

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Single Family Active

Price

$ 10,750,000

Bedrooms

6

Full Bath

6

Half Bath

4

Property Type

Single Family

Taxes

$ 46,351

Style

Contemporary,Modern

Lot Size

5

Year Built

1989

Town/City

Upper Brookville

County/Region

Nassau

MLS | Web ID

970669

Features
Interior
Interior Amenities First Floor Bedroom First Floor Full Bath Chandelier Chefs Kitchen Eat-in Kitchen Entrance Foyer Formal Dining High Ceilings Kitchen Island Primary Bathroom Master Downstairs Quartz/Quartzite Counter
Basement Finished Full Walk-Out Access
Flooring Hardwood Tile
Total Fireplaces 2
Fireplace Features Electric
Basement Features Finished Full Walk-Out Access
Basement (Y/N) Y
Window Features Casement Floor to Ceiling Windows Skylight(s)
Fireplace Y/N Y
Half Baths 4
Total Bedrooms 6
Total Baths 10
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General
Sewer Cesspool
Heating Electric
Cooling Central Air
Utilities Electricity Connected Propane
Appliances Dishwasher Dryer Microwave Oven Refrigerator Washer
HOA Fee 125
Garage Spaces 4
Patio/Porch Features Patio
Architectural Style Contemporary Modern
Pool Features In Ground Salt Water
Security Features Security Gate Security Lights Security System Video Cameras
Construction Materials Frame
Year Built 1989
Property Subtype Single Family Residence
Tax Year 2026
Parcel Number 2427-24-E-00-1046-0
County Nassau County
Property Type Residential
HOA Y
Garage Y/N Y
Other Structures Guest House
Total Rooms 26
Full Baths 6
Directions GPS. Off of Chicken Valley Rd.
High School Locust Valley High School
City Oyster Bay
Senior Community Y/N N
High School District Locust Valley
Carport Y/N N
Elementary School Ann Macarthur Primary School
Property Attached Y/N N
Tax Annual Amount 46351.4
Showing Instructions Text 631-408-2137. Proof of funds / pre-approval required.
Middle/Junior High School Locust Valley Middle School
Building Area Units Square Feet
Standard Status Active
Middle/Junior School District Locust Valley
Elementary School District Locust Valley
Tax Assessed Value 2473
Year Built Effective 2025
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Exterior
Exterior Amenities Lighting
Parking Features Driveway Garage Door Opener Private Driveway Garage Door Opener Private
Water Source Public
Building Area Total 10109
Waterfront Y/N N
Other Equipment Generator
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Internal Only
Street Number 1 31
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* Excluded Features
List By
Ephraim J. Simon

Listing Agent

Serhant East End Llc

Broker

js@serhant.com

Email

Affordability Calculator

$70,052
Per Month
94%
6%
0%
Monthly Principal & Interest
$66,190
Monthly Property Taxes
$3,863
Monthly Home Insurance
--
Default based on a 30-year fixed rate of 6.25% 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
4099815 Elementary School
4099618 Middle School
Locust Valley High School High School
Pricing History
DatePricePrice ChangeDescription
3/13/2026$10,750,000 Listed Price

Map


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31 Chestnut Hill Drive, Upper Brookville, NY, 11771 is a Single Family Home for sale at $10,750,000 with 10,109 sqft and a lot size of 5. 31 Chestnut Hill Drive has 6 bedrooms, 6.4 baths, and was built in 1989. The property's zip code is 11771 which is in Upper Brookville, NY