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$2,399,999
New Listing

422 Mill River Road
Upper Brookville, NY 11771

For Sale|Single Family Residence|Active
5
Beds
4
Total Baths
3
Full Baths
1
Partial Bath
4,400
SqFt
$545
/SqFt
1987
Built
County:
Nassau
Listing courtesy of Edna Mashaal Realty LLC lenadol111@gmail.com
Upcoming Open Houses
Sun, Mar 8, 1:00 AM - 2:00 PM
422 Mill River Road422 Mill River Road422 Mill River Road422 Mill River Road
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Mortgage Calculator

Monthly Payment (Est.)

$10,950
Calculator powered by Showcase IDX, a Constellation1 Company. Copyright ©2026 Information is deemed reliable but not guaranteed.

Welcome To #422 Mill River Rd., On A Private Picturesque Location, A Flat Acre Property in Upper Brookville! This extraordinary, fully renovated residence is a true masterpiece of craftsmanship and design, reimagined over the past three years with uncompromising attention to details. From the moment you enter, soaring ceilings and three dramatic skylights flood the interior with natural light, creating an airy, luminous atmosphere. Exquisite custom moldings and architectural details and depth and character throughout, blending classic sophistication with a sleek contemporary aesthetic inspired by refined European design. At the heart of the home lies a state-of-the-art chef's kitchen appointed with top-tier appliances, custom cabinetry, and premium finishes - a seamless balance of beauty and functionality. Designed for both intimate family moments and entertaining, this space is as impressive as it is inviting. The primary suite is a private sanctuary, featuring a stunning designer walk-in closet, cathedral ceilings and spa-caliber bathroom with heated floors, a soaking Jacuzzi tub, and a separate glass-enclosed shower-creating the ultimate retreat experience. Thoughtfully designed lower level, offers an unparalleled lifestyle experience a professional home theater, gym, recreation room, billiard room, serene meditation space and sauna with the separate access to the backyard. This level provides both luxury and versatility for entertaining or relaxation. This residence features beautiful hardwood floors, radiant heated bathrooms, spacious guest suite on the first floor, 24 Hr. video security system, integrated Sonos sound system, full house humidifier and water filter. Fenced park like backyard, low taxes and convenient location. This is not simply a home - it is a statement of style, comfort, and elevated living.

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Listing Snapshot
Price 
$2,399,999
Days On Site 
0 Days
Bedrooms 
5
Inside Area (SqFt) 
4,400 sqft
Total Baths 
4
Full Baths 
3
Partial Baths 
1
Lot Size 
0.97 Acres
Year Built 
1987
MLS® Number 
966577
Status 
Active
Property Tax 
$22,171.5
HOA/Condo/Coop Fees 
N/A
Sq Ft Source 
N/A
Friends & Family
Recent Activity
2 hours agoListing first seen on site
2 hours agoListing updated with changes from the MLS®
General Features
Acres 
0.97
Attached Garage 
Yes
Cross Street 
Northern Blvd.
Garage 
Yes
Garage Spaces 
3
Parking 
AttachedPrivate
Property Sub Type 
Single Family Residence
Security 
Security SystemSmoke Detector(s)
Sewer 
Cesspool
Style 
Contemporary
Utilities 
Natural Gas AvailableCable AvailableCable ConnectedElectricity AvailableElectricity ConnectedNatural Gas ConnectedPhone ConnectedWater AvailableWater Connected
Water Source 
Public
Interior Features
Appliances 
Convection OvenDishwasherDryerGas CooktopHumidifierMicrowaveRefrigeratorStainless Steel Appliance(s)WasherGas Water HeaterWine Refrigerator
Basement 
FinishedFullWalk-Out Access
Cooling 
Central Air
Fireplace 
Yes
Fireplace Features 
ElectricFamily RoomGasLiving Room
Fireplaces 
2
Flooring 
Wood
Heating 
Forced AirNatural GasRadiantRadiant Floor
Interior 
Cathedral Ceiling(s)Central VacuumCrown MoldingDouble VanityEat-in KitchenEntrance FoyerHigh CeilingsKitchen IslandPantrySound SystemWalk-In Closet(s)
Spa 
Yes
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Exterior Features
Construction Details 
FrameStoneStucco
Fencing 
FencedBack Yard
Lot Features 
Cul-De-SacLandscapedSprinklers In FrontSprinklers In Rear
Spa 
Yes
Spa Features 
Bath
Community Features
School District 
Oyster Bay-East Norwich
Schools
School District
Oyster Bay-East Norwich
Elementary School
Theodore Roosevelt School
Middle School
Oyster Bay High School
High School
Oyster Bay High School
Listing courtesy of Edna Mashaal Realty LLC lenadol111@gmail.com


Based on information submitted to the MLS GRID as of 2026-03-05 05:21 PM EST. All data is obtained from various sources and may not have been verified by broker or MLS GRID. Supplied Open House Information is subject to change without notice. All information should be independently reviewed and verified for accuracy. Properties may or may not be listed by the office/agent presenting the information.

Neighborhood & Commute
Source: Walkscore
Disclosure: Community information and market data powered by Constellation Data Labs. Information is deemed reliable but not guaranteed.
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