31 Fort Hill Drive
Lloyd Harbor, NY, 11743 $ 19,000,000
Bedrooms13 Baths10.4 Sq 28,000 Monthly Estimate*
$ 118,535
for $19,000,000 with 13 bedrooms and 10 full baths, 4 half baths. This 28,000 square foot home was built in 1910 on a lot size of 10.
Welcome to 31 Fort Hill Drive, a landmark estate perched atop 10 private acres in the prestigious enclave of Lloyd Harbor. Set across two parcels with 1,800 feet of private beachfront and a deep-water dock, this extraordinary compound offers uninterrupted, panoramic views of the Long Island Sound—widely regarded as among the finest vantage points on the North Shore. Steeped in natural beauty and rich American history, the estate sits on Fort Hill, a site of Revolutionary War significance where signal beacons once watched over the Sound. Today, the same elevated terrain offers a rare sense of seclusion, grandeur, and sweeping coastal vistas that change with every season and every tide. This custom brick residence is a masterwork of craftsmanship and scale, featuring 13 bedrooms, 10 full bathrooms, and four half baths. Elegant interior spaces include a sunlit solarium, a stately library, and an expansive, exquisitely detailed ballroom designed for unforgettable gatherings. Seven fireplaces, intricate millwork, and curated architectural details throughout add a sense of timeless refinement. A fully renovated gourmet kitchen anchors the home’s living spaces, offering high-end appliances, classic finishes, and effortless flow into formal and informal dining areas. Whether you’re hosting intimate family dinners or large-scale entertaining, the home rises to every occasion. Additional amenities include staff quarters, a 16-car garage with guest apartment suites above, a state of the art geothermal system, and flexible bonus rooms ideal for a private theater, wellness space, or art studio. Outdoors, a 3-acre curated garden with a greenhouse, invites peaceful strolls and moments of serenity amidst manicured plantings. From sunrise over the water to evenings under the stars, this is a home where every day is defined by natural splendor, privacy, and possibility. Just moments from Huntington Village and the train to NYC and located within the award-winning Cold Spring Harbor School District, 31 Fort Hill Drive is more than a home—it’s a legacy estate where history, beauty, and lifestyle converge.
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FeaturesInteriorInterior Amenities Beamed Ceilings Breakfast Bar Built-in Features Chefs Kitchen Crown Molding Double Vanity Dry Bar Eat-in Kitchen Entrance Foyer Formal Dining Granite Counters High Ceilings In-Law Floorplan Kitchen I
Basement Unfinished
Total Fireplaces 7
Basement Features Unfinished
Basement (Y/N) Y
Fireplace Y/N Y
Half Baths 4
Total Bedrooms 13
Total Baths 14
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GeneralSewer Cesspool
Heating Geothermal Oil Steam
Cooling Central Air
Utilities Electricity Connected
Appliances Dishwasher Dryer Microwave Oven Oil Water Heater
Garage Spaces 16
Architectural Style Estate
Construction Materials Brick
Year Built 1910
View Panoramic Water
Property Subtype Single Family Residence
Tax Year 2025
Parcel Number 0403-006-00-02-00-032-002
Waterfront Features Beach Access Beach Front Sound Water Access Waterfront
County Suffolk County
Property Type Residential
HOA N
Garage Y/N Y
Total Rooms 30
Full Baths 10
High School Cold Spring Harbor High School
City Huntington
Senior Community Y/N N
High School District Cold Spring Harbor
Carport Y/N N
Elementary School Goosehill Primary Center
Property Attached Y/N N
Tax Annual Amount 164620.98
Showing Instructions Call / text listing agent. 24hr minimum notice.
Middle/Junior High School Cold Spring Harbor High School
Building Area Units Square Feet
Standard Status Pending
Middle/Junior School District Cold Spring Harbor
Elementary School District Cold Spring Harbor
Tax Assessed Value 48600
Virtual Tour https://www.forthillestate.com/
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ExteriorWater Source Public
Spa N
Building Area Total 28000
Frontage Length 1800
Waterfront Y/N Y
Horse Y/N Y
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* Excluded FeaturesList ByEphraim J. SimonListing Agent
Serhant East End LlcBroker
Affordability Calculator
- Monthly Principal & Interest
- $118,535
- Monthly Property Taxes
- $13,718
- Monthly Home Insurance
- --
Default based on a 30-year fixed rate of 6.375% 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.
Learn more about how to save NearbySingle family listings in Lloyd Harbor, NY
Average List Price $4,402,565
Percent of Sale Price 77%
About Lloyd Harbor, NY 3,629 Population
-1% Since 2002
$ 205,858 Median Income
36.87 Median Age
50% Households with Children
Trends Information provided by ATTOM Data Solutions.
4098926 Elementary School
4100074 Middle School
Cold Spring Harbor High School High School
Pricing History| Date | Price | Price Change | Description |
|---|
| 6/26/2025 | $19,000,000 | -2.56% | Price Down |
| 4/10/2025 | $19,500,000 | | Listed Price |