50 Cecilia Drive Muttontown, NY $ 5,498,000
50 Cecilia Drive
$ 5,498,000
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50 Cecilia Drive

Muttontown, NY, 11791
$ 5,498,000
Bedrooms7 Baths6.2 Sq 8,000

Monthly Estimate*

$ 33,852

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Single Family Home for sale in Muttontown, NY

for $5,498,000 with 7 bedrooms and 6 full baths, 2 half baths. This 8,000 square foot home was built in 2026 on a lot size of 2.0034.

An Exceptional New Construction Estate in Muttontown, located within the renowned Syosset School District. 'The Diamond' sets a striking new benchmark for refined living. This exquisite 8,000-square-foot residence offers seven bedrooms, 15 rooms and a fresh, contemporary layout designed for today’s most elevated lifestyles. Meticulously envisioned, 'The Diamond' reflects an extraordinary level of craftsmanship, thoughtful design and an aesthetic precision that blends seamlessly with classic architectural detailing. Expansive sweeping light-filled interiors create a home that is both sophisticated and welcoming. Generous ceiling heights, dramatic walls of glass, and a seamless flow between indoor and outdoor spaces define the overall design. Custom-crafted oversized iron doors dramatically unveil a breathtaking two-story entry foyer. The formal dining room features a connoisseur’s wine center with smoky glass accents that shimmer with understated drama, and a serving buffet crowned by a sculptural hanging etagere. The grand living room is anchored by a commanding two-sided modern fireplace that offers open views of the lush 2 acre property. The bespoke chef’s kitchen serves as a true centerpiece, equipped with premium Wolf and Sub-Zero appliances, custom cabinetry, and a spacious layout ideal for both everyday living and large gatherings. A fully equipped scullery kitchen adds an additional layer of convenience and sophistication for those who entertain on a grand scale. The main level further unfolds with guest quarters, a private study, state-of-the-art media room, and a secondary staircase. Ascending to the primary suite is to enter a private world of luxury: a serene balcony overlooking the property, a spa-inspired bath, a private sitting room, and multiple expansive walk-in closets befitting the most discerning wardrobe collections. The second level continues with a spacious lounge and four additional en-suite bedrooms, each a haven of comfort and privacy. Outdoor living is equally impressive, with fully approved plans to consider upgrades for a resort-style spa pool and an open-air pavilion complete with its own kitchen creating an alfresco realm of unparalleled leisure. The 10-foot lower level also stands ready to fulfill any vision. 'The Diamond' is not merely a home, it is a residence designed for the discerning, where high-style luxury meets the ease and functionality of everyday living. Construction has commenced on this singular masterpiece.

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Single Family Active

Price

$ 5,498,000

Bedrooms

7

Full Bath

6

Half Bath

2

Property Type

Single Family

Taxes

$ 0

Style

Mini Estate

Lot Size

2.0034

Year Built

2026

Town/City

Muttontown

County/Region

Nassau

MLS | Web ID

945621

Features
Interior
Interior Amenities First Floor Bedroom First Floor Full Bath Bidet Built-in Features Cathedral Ceiling(s) Central Vacuum Chandelier Chefs Kitchen Crown Molding Double Vanity Eat-in Kitchen ENERGY STAR Qualified Door(s)
Basement Full Walk-Out Access
Flooring Hardwood
Total Fireplaces 1
Fireplace Features Family Room Gas
Basement Features Full Walk-Out Access
Basement (Y/N) Y
Window Features ENERGY STAR Qualified Windows Floor to Ceiling Windows Wall of Windows
Fireplace Y/N Y
Half Baths 2
Total Bedrooms 7
Total Baths 8
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General
Sewer Cesspool
Heating ENERGY STAR Qualified Equipment Natural Gas Radiant Floor
Cooling Central Air ENERGY STAR Qualified Equipment
Utilities Natural Gas Available
Appliances ENERGY STAR Qualified Appliances
Garage Spaces 3
Patio/Porch Features Patio Terrace
Architectural Style Mini Estate
Construction Materials Stone Stucco
Year Built 2026
Property Subtype Single Family Residence
Tax Year 2026
Parcel Number 2429-15-A-00-2015-0
County Nassau County
Property Type Residential
HOA N
Garage Y/N Y
Total Rooms 15
Full Baths 6
High School Syosset Senior High School
City Oyster Bay
Senior Community Y/N N
High School District Syosset
Carport Y/N N
Elementary School Robbins Lane Elementary School
Property Attached Y/N N
Tax Annual Amount 0
Middle/Junior High School H B Thompson Middle School
Property Condition New Construction To Be Built Under Construction
Building Area Units Square Feet
Standard Status Active
Middle/Junior School District Syosset
Elementary School District Syosset
Year Built Effective 2026
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Exterior
Exterior Amenities Courtyard Juliet Balcony Lighting
Parking Features Driveway Electric Vehicle Charging Station(s) Garage Oversized Private Driveway Electric Vehicle Charging Station(s) Garage Oversized Private
Water Source Public
Total Parking 10
Parking Spaces 10
Waterfront Y/N N
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Internal Only
Street Number 1 50
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* Excluded Features
List By
Valerie A. Rosenblatt PSA

Listing Agent

Daniel Gale Sothebys Intl Rlty

Broker

516-238-7396

Contact

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$33,852
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Monthly Principal & Interest
$33,852
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Default based on a 30-year fixed rate of 6.25% with 20% down. The estimated payment is offered for convenience and is not an offer of credit. Due to market fluctuations, interest rates are subject to change at any time and without notice. Your individual rate may vary. Rates may differ for FHA, VA or jumbo loans.
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Nearby
4100626 Elementary School
4101106 Middle School
Syosset Senior High School High School
Pricing History
DatePricePrice ChangeDescription
4/22/2026$5,498,000 Listed Price

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50 Cecilia Drive, Muttontown, NY, 11791 is a Single Family Home for sale at $5,498,000 with 8,000 sqft and a lot size of 2.0034. 50 Cecilia Drive has 7 bedrooms, 6.2 baths, and was built in 2026. The property's zip code is 11791 which is in Muttontown, NY