31 Chestnut Hill Drive, Upper Brookville, NY

$8,994,999

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6

Beds

10

Baths

10,109

Square feet

5.00

Acres

About 31 Chestnut Hill Drive

OFFERS OF $7,000,000 OR GREATER RECEIVED ON OR BEFORE SEPTEMBER 21, 2026 TO BE CONSIDERED. ENTIRE PROPERTY WAS COMPLETELY RENOVATED FROM 2023 T0 2026. 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.

Features of 31 Chestnut Hill Drive

MLS® # 970669
Price $8,994,999
Bedrooms 6
Bathrooms 10.00
Full Baths 6
Half Baths 4
Square Footage 10,109
Square Footage 217800
Acres 5.00
Year Built 1989
Type Residential
Sub-Type Single Family Residence
Style Contemporary, Modern
Status Active

Community Information

Address 31 Chestnut Hill Drive
City Upper Brookville
County Nassau County
State NY
Zip Code 11771

Amenities

Utilities Electricity Connected, Propane
Parking Driveway, Garage Door Opener, Private
# of Garages 4
Is Waterfront No
Has Pool Yes
Pool In Ground, Salt Water

Interior

Interior Hardwood, Tile
Interior Features 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 Counters, Smart Thermostat, Walk-In Closet(s), Wet Bar
Appliances Dishwasher, Dryer, Microwave, Oven, Refrigerator, Washer
Heating Electric
Cooling Central Air
Has Basement Yes
Fireplace Yes
# of Fireplaces 2
Fireplaces Electric

Floor Plans

Basement Finished, Full, Walk-Out Access

Exterior

Exterior Features Lighting
Lot Description Back Yard, Level, Near Golf Course, Private
Windows Casement, Floor to Ceiling Windows, Skylight(s)
Construction Frame

School Information

District Locust Valley
Elementary Ann Macarthur Primary School
Middle Locust Valley Middle School
High Locust Valley High School

Additional Information

Listing Courtesy of Serhant East End LLC
Date Listed March 12th, 2026
Days on Market 172
Short Sale No
RE / Bank Owned No
HOA Fees 125

Listing Details

OfficeSerhant East End LLC

Listing Map

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