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31 Chestnut Hill Drive, Oyster Bay, NY 11771

Oyster Bay
Local realty services provided by:CENTURY 21 New West Properties
31 Chestnut Hill Drive,Upper Brookville, NY 11771
$9,850,000
  • 6 Beds
  • 10 Baths
  • 10,109 sq. ft.
  • Single family
  • Active
Listed by: ephraim j. simon
Office: serhant east end llc.
MLS#:970669
Source:OneKey MLS

Price summary

  • Price:$9,850,000
  • Price per sq. ft.:$974.38

About this home

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...

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Home facts

  • Year built:1989
  • Listing ID #:970669
  • Added:97 day(s) ago
  • Updated:June 19, 2026 at 10:54 AM

Rooms and interior

  • Bedrooms:6
  • Total bathrooms:10
  • Full bathrooms:6
  • Half bathrooms:4
  • Rooms Total:26
  • Flooring:Hardwood
  • Dining Description:Eat-In Kitchen, Formal Dining
  • Kitchen Description:Chefs Kitchen, Dishwasher, Eat-in Kitchen, Kitchen Island, Microwave, Oven, Refrigerator
  • Bedroom Description:First Floor Bedroom, Master Downstairs
  • Basement:Yes
  • Basement Description:Finished, Full, Walk-Out Access
  • Living area:10,109 sq. ft.

Heating and cooling

  • Cooling:Central Air
  • Heating:Electric
  • Central air:Yes

Structure and exterior

  • Year built:1989
  • Building area:10,109 sq. ft.
  • Lot area:5 Acres
  • Lot Features:Level, Private
  • Architectural Style:Contemporary, Modern
  • Construction Materials:Frame

Schools

  • High school:Locust Valley High School
  • Middle school:Locust Valley Middle School
  • Elementary school:Ann Macarthur Primary School

Utilities

  • Water:Public
  • Sewer:Cesspool

Finances and disclosures

  • Price:$9,850,000
  • Price per sq. ft.:$974.38
  • Tax amount:$46,351 (2026)

Features and amenities

  • Appliances:Dishwasher, Dryer, Microwave, Oven, Refrigerator, Washer
  • Laundry features:Dryer, Washer
  • Amenities:Entrance Foyer, High Ceilings, Smart Thermostat, Walk-In Closet(s), Wet Bar
  • Pool features:In Ground

Parking

  • Parking description:Driveway, Private
  • Garage:Yes
  • Garage spaces:4
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