20 Knollwood Road, Brookville, NY 11545

• 6 beds |
• 8 baths |
• 7,000 sqft

Property Description

EXCEPTIONAL NEW CONSTRUCTION! 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.

Listing Status:

Active

Data Last Updated:

June 25, 2026 at 12:23PM

Listing Office:

LAFFEY REAL ESTATE : 516-625-0944

MLS ID:

986988

Interior

• General: First Floor BedroomFirst Floor Full BathCathedral Ceiling(s)Central VacuumChefs KitchenCrown MoldingENERGY STAR Qualified Door(s)Entrance FoyerFormal DiningHigh CeilingsHis and Hers ClosetsIn-Law FloorplanKitchen IslandMarble CountersOpen FloorplanPantryWalk-In Closet(s)
• Appliances: CooktopDishwasherGas CooktopGas OvenGas RangeRefrigeratorWine Refrigerator
• Laundry: Laundry Room
• Basement: Full
• Flooring: Hardwood
• A/C: Central Air
• Heating: Forced AirPropaneRadiant Floor
• Fireplace: ElectricFireplaces: 1

Exterior

• Style: Colonial
• Other Structures: Patio
• Pool: FencedIn GroundPool CoverPool/Spa Combo
• Parking: DrivewayGarage

Construction

• General: Tri-Level

Location

• Originating MLS: onekey2
• School District: Jericho
• County: Nassau County

Lot

• Zoning: 2429-16-B-00-1589-0

Utilities

• Utilities: See Remarks
• Water: Public
• Sewer: Cesspool

Financial

• Source: onekey2