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$5,499,999
Monthly Est:$27,375
6 Beds
- 8 Baths
7 full baths + 1 half bath
7,000sqft
20 Knollwood Rd, Oyster Bay, NY 11545
$5,499,999
$27,375/moEst:
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Single Family Residence
Built in 2026
$-- HOA
2 acres lot
$786/sq.ft
Description
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.
- Houzeo last checked: 12 hours ago
- Listing updated: September 18, 2026 at 3:50 pm
- Listing Provided by: Janet Berookhim CBR (516) 263-7072 | LAFFEY REAL ESTATE (516) 625-0944
- Source: OneKey MLS-NY as distributed by MLS GRID | MLS#: 986988

Property Details
Status
Active
Type
Single Family Residence
No. of Stories
-
County
City
Neighborhood
--
Year Built
2026
HOA Fees
-
Finished Area
7,000 sqft
Lot Size
2 acres lot
Basement Area
- sqft
MLS Name
OneKey MLS
MLS Number
986988
MLS Status
Active
Days on Market
172
Cumulative Days on Market
127

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Location
Facts & Features
Rooms
Bedrooms & bathrooms
Bedrooms: 6
Bathrooms: 8
Auxiliary Room
Level: First
Living Room
Level: First
Family Room
Level: First
Kitchen
Level: First
Bathroom 1
Level: First
Bedroom 1
Level: First
Bathroom 2
Level: First
Bedroom 2
Level: Second
Bedroom 3
Level: Second
Laundry
Level: Second
Basement
Level: Lower
Bathroom 3
Level: Lower
Dining Room
Level: First
Interior
Appliances
Cooktop, Dishwasher, Gas Cooktop, Gas Oven, Gas Range, Refrigerator, Wine Refrigerator
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)
Flooring
Hardwood
Heating
Forced Air, Propane, Radiant Floor
Sewer
Cesspool
Cooling
Central Air
Construction
Year Built
Year Built: 2026
Home type
Single Family Residence
Construction Materials
Brick
Architectural Style
Colonial
Property Condition
New Construction
Utilities & Energy
Basement
Full
Pool Features
Fenced, In Ground, Pool Cover, Pool/spa Combo
Laundry Features
Laundry Room
Parking Features
Driveway, Garage
Fireplace Features
Electric
Water Source
Public
Utilities
See Remarks
Other Features
Patio And Porch Features
Patio
Lot Features
Back Yard, Cul De Sac, Front Yard, Landscaped, Level, Sprinklers In Front, Sprinklers In Rear
Price History
| Date | Event | Price |
|---|---|---|
09/03/2026 Source: | Price Decreased | $5,499,999 -6.78% $786/sqft |
05/14/2026 Source: | Price Increased | $5,899,999 +3.73% $843/sqft |
05/14/2026 Source: | Listed for Sale | $5,688,000 $813/sqft |
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Based on information from OneKey MLS® through Nov 02, 2026, 02:16PM as submitted to and distributed by MLS GRID. 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. IDX information is provided exclusively for consumers’ personal non-commercial use. It 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. The use of the MLS GRID Data may be subject to an end-user license agreement prescribed by the Member Participant’s applicable MLS, if any, and as amended from time to time. © 2026 OneKey MLS. All rights reserved.
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