20 Knollwood Rd

Glen Head, NY 11545

$5,899,999
Price
6
Beds
7,000 Sq. Ft.
$843 / Sq. Ft.
7,000
Sq. Ft.
$843
per Sq. Ft.
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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...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.
  1. Listed by Janet Berookhim CBR • LAFFEY REAL ESTATE
    P: (516)-625-0944 C: (516)-263-7072 jberookhim@laffeyRE.com

Property Details for 20 Knollwood Road

City/Township
Oyster Bay
Architectural Style
Colonial
Garage Spaces
3.00
Waterfront
No
Section Area
Brookville Road
LISTING UPDATED: 05/19/2026 02:00 PM

Property Details for 20 Knollwood Road

StatusActive
MLS #986988
Days on Market10
Taxes-
HOA Fees-
Condo/Co-op Fees-
Property TypeSingle Family
MLS TypeSingle Family
Year Built2026
Lot Size2.00 AC / 87,120 SF
CountyNassau County
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Location

Listing Courtesy of LAFFEY REAL ESTATE, Janet Berookhim CBR
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Building Information for 20 Knollwood Road

Stories-Year Built2026Building Size-Lot Size2.00 AC / 87,120 SF

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$31,728 per month

30 year fixed, 6.36% Interest

Principal and Interest

$29,400

Property Taxes

$2,328

HOA Dues

$0

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Property Information for 20 Knollwood Road

Summary
Location and General Information
  • Senior Community YN: No
  • Tax Block: B
  • Tax Lot: 1589
  • Property Attached: No
  • Structure Type: Detached
  • Levels: Tri-Level
  • Property Condition: New Construction
  • State Or Province: NY
School Information
  • School District: Jericho
  • Elementary School District: Jericho
  • Elementary School: George A Jackson School
  • Middle Or Junior School District: Jericho
  • Middle Or Junior School: Jericho Middle School
  • High School District: Jericho
  • High School: Jericho Senior High School
Rental
Rental
  • Lease Considered: No
Unit Information
Unit Information
  • Building Units Total: 1
Room Information
Room 1 Information
  • Room Level: First
  • Room Type: Auxiliary Room
  • RoomDescription 1: Huge Double Entry Foyer with Radiant Heated Floors
Room 2 Information
  • Room Level: First
  • Room Type: Living Room
  • Room Description: Formal Living Room with French Doors
Room 3 Information
  • Room Level: First
  • Room Type: Family Room
  • Room Description: French Doors Opening up to Porcelain Tiled Patio Perfect for Indoor/Outdoor Entertaining with Outdoor Kitchen
Room 4 Information
  • Room Level: First
  • Room Type: Kitchen
  • Room Description: Designer Kitchen, 2 Islands, Subzero and Wolf Appliances
Room 5 Information
  • Room Level: First
  • Room Type: Bathroom 1
  • Room Description: Powder Room
Room 6 Information
  • Room Level: First
  • Room Type: Bedroom 1
  • Room Description: Large Bedroom Overlooking Backyard with En-Suite Bath
Room 7 Information
  • Room Level: First
  • Room Type: Bathroom 2
  • Room Description: Full Bathroom with Access to the Backyard
Room 8 Information
  • Room Level: Second
  • Room Type: Bedroom 2
  • Room Description: Primary Suite with Private Balcony, 2 Closets and Designer Spa Bathroom
Room 9 Information
  • Room Level: Second
  • Room Type: Bedroom 3
  • Room Description: Additional 4 Bedrooms with En-Suite Full Bathrooms
Room 10 Information
  • Room Level: Second
  • Room Type: Laundry
  • Room Description: Laundry Room
Room 11 Information
  • Room Level: Lower
  • Room Type: Basement
  • Room Description: High Ceilings with Many Egress Windows and Door Leading to Backyard and 2nd Laundry Room
Room 12 Information
  • Room Level: Lower
  • Room Type: Bathroom 3
  • Room Description: Full Bathroom
Room 13 Information
  • Room Level: First
  • Room Type: Dining Room
  • Room Description: Formal Dining Room with Wet Bar
Taxes and HOA Information
Taxes and HOA Information
  • Parcel Number: 2429-16-B-00-1589-0
  • Included In Taxes: Sewer, Trash
  • Tax Source: Municipality
  • Tax Year: 2026.0
  • Association: No
Interior and Exterior Features
Interior Features
  • Amenities: 1st Floor Bedrm, Cathedral/Vaulted/High Ceiling, Central Vacuum, Chefs Kitchen, Colonial, Crown Molding, ENERGY STAR Qualified Door(s), Electric, Entrance Foyer, Fenced, First Floor Full Bath, Formal Dining, Hardwood Floors As Seen, High Ceilings, His and Hers Closets, In Ground, In-Law Floorplan, Kitchen Island, Laundry Room, Marble Counters, Open Floorplan, Pantry, Patio, Pool Cover, Pool/Spa Combo, Public, Walk In Closet
  • 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
  • Total Rooms: 10
  • Basement: Full
  • Attic Description: Full,Pull Stairs
  • Fireplaces Total: 1
  • Fireplace Features: Electric
  • Location Amenities: Hardwood Floors As Seen, 1st Fl Master Bedroom, Cathedral/Vaulted/High Ceiling, Chef's Kitchen, Entry Foyer, Foyer, Formal Dining Room, High Ceilings, Island Kitchen, Marble Countertops, Pantry, Walk In Closet, Patio, In Ground Pool
  • Laundry Features: Laundry Room
  • Spa: Yes
  • Flooring: Hardwood
  • Living Area: 7,000.00
  • Basement: Yes
Exterior Features
  • Exterior Property Features: Fenced, In Ground, Pool Cover, Pool/Spa Combo, Patio, Driveway, Garage, Back Yard, Cul-De-Sac, Front Yard, Landscaped, Level, Sprinklers In Front, Sprinklers In Rear
  • Elevation Certificate: No
  • Patio And Porch Features: Patio
  • Construction Materials: Brick
  • Horse: No
  • Pool Private: Yes
  • Pool Features: Fenced, In Ground, Pool Cover, Pool/Spa Combo
  • Pool Details: Fenced,In Ground,Pool Cover,Pool/Spa Combo
Lot Information
  • Lot Features: Back Yard, Cul-De-Sac, Front Yard, Landscaped, Level, Sprinklers In Front, Sprinklers In Rear
  • Site Features: Back Yard, Cul-De-Sac, Front Yard, Landscaped, Level, Sprinklers In Front, Sprinklers In Rear
  • Building Area Units: Square Feet
Parking
  • Parking Features: Driveway, Garage
  • Garage: Yes
  • Carport: No
Utilities
  • Cooling: Central Air
  • Heating: Forced Air, Propane, Radiant Floor
  • Heat Fuel Type: Forced Air, Propane, Radiant Floor
  • Number Of Heating Zones: 3
  • Sewer: Cesspool
  • Water Source: Public
  • Utilities: See Remarks
Green Features
  • Green Features: Cooktop, Dishwasher, Gas Cooktop, Gas Oven, Gas Range, Refrigerator, Wine Refrigerator, Forced Air, Propane, Radiant Floor, Fenced, In Ground, Pool Cover, Pool/Spa Combo
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Agent
Payment and Rate
  • Down Payment Resource: No

Property History for 20 Knollwood Road

DateEvent & SourcePriceAppreciation
May 14, 2026

Listed (Active)

ONEKEY #986988

$5,899,999—
Mar 29, 2026

Expired

ONEKEY #842292

$5,995,999—
Mar 11, 2026

Withdrawn

ONEKEY #842292

$5,995,999—
DateEvent & SourcePrice
05/14/2026

Listed (Active)

ONEKEY #986988

$5,899,999
03/29/2026

Expired

ONEKEY #842292

$5,995,999
03/11/2026

Withdrawn

ONEKEY #842292

$5,995,999

For completeness, we often displays two records for one sale: the MLS record and the public record.

Public Records for 20 Knollwood Road

Taxable ValueLand$880Additions$305Total$1,185
Tax Record2026$27,934 ($2,328 / month)
Home Facts
Beds0Baths2.5Total Finished SqFt6,494 SqFtAbove Grade Finished SqFt6,494 SqFtUnfinished Basement SqFt776 SqFtStories1Lot Size87,120 SqFtStyleSingle Family ResidenceYear Built2023CountyNASSAUAPN16-00B-00-1589Fireplace TypeHas Fireplace

Schools near 20 Knollwood Road

This home is within Jericho Union Free School District.
Rating
School
Type
Grades
Distance
George A Jackson School
Public - K to 5
Jericho Middle School
Public - 6 to 8
Jericho Senior High School
Public - 9 to 12
Robert Seaman Elementary School
Public - K to 5
Rating
School
Distance
George A Jackson School
PublicK to 5

Jericho Middle School
Public6 to 8

Jericho Senior High School
Public9 to 12

Robert Seaman Elementary School
PublicK to 5

School ratings and boundaries are provided by GreatSchools.org and Pitney Bowes. This information should only be used as a reference. Proximity or boundaries shown here are not a guarantee of enrollment. Please reach out to schools directly to verify all information and enrollment eligibility.

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More information about 20 Knollwood Road, Glen Head, NY 11545

20 Knollwood Road is a single family home for sale in Glen Head, NY 11545. This property was listed for sale on May 14, 2026 by LAFFEY REAL ESTATE, it's currently listed at $5,899,999. It has been on the market for a total of 10 days and was last sold on April 29, 2022. This listing's school district is Jericho Union Free School District. Nearby schools include George A Jackson School, Jericho Middle School and Jericho Senior High School. 20 Knollwood Road is a 6-bed, 8-bath, 7,000 sqft single family home built in 2026.

No guarantee, warranty or representation of any kind is made regarding the completeness or accuracy of descriptions or measurements (including square footage measurements and property condition), such should be independently verified, and Compass, Inc., its subsidiaries, affiliates and their agents and associated third parties expressly disclaims any liability in connection therewith. Photos may be virtually staged or digitally enhanced and may not reflect actual property conditions. Offers of compensation are subject to change at the discretion of the seller. No financial or legal advice provided. Equal Housing Opportunity.

Listing Courtesy of LAFFEY REAL ESTATE, Janet Berookhim CBR

Based on information submitted to the MLS GRID as of 05/19/2026 02:00 PM. 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. Properties displayed may be listed or sold by various participants in the MLS. IDX information is provided exclusively for consumers’ personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. The data is deemed reliable but is not guaranteed by MLS GRID. Use of the MLS GRID data may be subject to an end user license agreement prescribed by the applicable MLS of the Member Participant, if any, and as amended from time to time.