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20 Knollwood Road

Brookville, NY, 11545

$5,499,999
6Bedrooms
8Bathrooms
7,000Interior sq ft
2Acres
2026Year built

AN INTRODUCTION

A closer look.

EXCEPTIONAL NEW CONSTRUCTION! Luxury Living at it's finest! Welcome to 20 Knollwood Road, Muttontown in the Jericho School District. Experience the pinnacle of luxury living in this newly built estate, offering approximately 7,000 square feet of refined design and superior craftsmanship by a highly regarded builder. Every inch of this home reflects meticulous attention to detail, from the bespoke millwork and custom paneling to the soaring ceilings and elegant herringbone flooring. A striking custom iron entry door welcomes you into a grand foyer, setting the stage for the home’s sophisticated yet inviting ambiance. The chef’s kitchen is a showstopper, featuring dual oversized islands, premium Sub-Zero and Wolf appliances, and effortless flow into formal and casual living spaces. Entertain with ease in the formal dining room or at the beautifully appointed wet bar with wine refrigeration. Designed for seamless indoor-outdoor living, French doors open to an expansive porcelain patio and a true resort-style backyard. Enjoy a fully outfitted outdoor kitchen, heated gunite pool with spa, and lush surroundings perfect for entertaining or relaxing in privacy. This impressive residence includes 6 generously sized bedrooms, all with en-suite baths, and a total of 7.5 designer bathrooms. The primary suite offers a luxurious retreat with spa-like finishes. Additional highlights include radiant heated bathroom floors, whole-house generator, central vacuum, Pella windows, circular driveway, and a sprawling lower level complete with a full bath and direct backyard access. A rare offering combining scale, sophistication, and immediate occupancy in one of Long Island’s most desirable locations.

Property overview

Property type
Single Family Residence
Architecture
Colonial
Condition
New Construction
Year built
2026
Lot size (sq ft)
87,120
Status
Active
Listed
2026-05-14
MLS number
KEY986988

Interior & comfort

Interior features
First Floor Bedroom, First Floor Full Bath, Cathedral Ceiling(s), Central Vacuum, Chefs Kitchen, Crown Molding, ENERGY STAR Qualified Door(s), Entrance Foyer, Formal Dining, High Ceilings, His and Hers Closets, In-Law Floorplan, Kitchen Island, Marble Counters, Open Floorplan, Pantry, Walk-In Closet(s)
Appliances
Cooktop, Dishwasher, Gas Cooktop, Gas Oven, Gas Range, Refrigerator, Wine Refrigerator
Heating
Forced Air, Propane, Radiant Floor
Cooling
Central Air
Basement
Full
Fireplaces
1

Outdoors & amenities

Parking
Driveway, Garage
Garage spaces
3
Pool
Fenced, In Ground, Pool Cover, Pool/Spa Combo

Schools & location

Postal town
Brookville
County
Nassau County
School district
Jericho
Elementary school
George A Jackson School
Middle school
Jericho Middle School
High school
Jericho Senior High School

Taxes & utilities

Annual property taxes
$0
Tax year
2026
Association
No
Water
Public
Sewer
Cesspool

Listing courtesy of LAFFEY REAL ESTATE · 516-625-0944
MLS #KEY986988 · Active

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