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31 Fort Hill Drive

Lloyd Harbor, NY 11743

13 beds
14 baths
28,000 sqft
~10 acre lot
$696 per sqft
1910 build
– on site

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, 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.

Listing courtesy of ONEKEY / Serhant LLC

Last checked: Checking… • Last updated Apr 11, 2025 •

MLS# 846697 —

The Building

Year Built:

1910
Basement:

true
Architectural Style:

Estate
Construction Materials:

Brick
Building Area Units:

Square Feet
Building Area Total:

28000
Attic:

Finished

Interior

Living Area:

28000
Total Rooms:

30
Interior Features:

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 Island, Primary Bathroom, Natural Woodwork, Original Details, Walk-In Closet(s), Wet Bar
Fireplaces Total:

7
Fireplace:

true
Living Area Source:

Other

Financial & Terms

Lease Considered:

false

The Property

Lot Size Acres:

10
Parcel Number:

0403-006-00-02-00-032-002
Property Type:

Residential
Property Subtype:

Single Family Residence
Property Attached:

false
Waterfront:

true
Water Access:

Yes
Frontage Length:

1800
Horse:

true

Listing Agent

Contact info:

Taxes

Tax Year:

2025
Tax Source:

Municipality
Tax Annual Amount:

164620.98

Beds

Total Bedrooms:

13

Baths

Full Baths:

10
Half Baths:

4
Total Baths:

14

The Listing

Special Listing Conditions:

None
Virtual Tour URL Branded:

Virtual Tour

Heating & Cooling

Heating:

Oil, Steam
Cooling:

Central Air

Utilities

Sewer:

Cesspool
Utilities:

Electricity Connected
Water Source:

Public

Appliances

Appliances:

Dishwasher, Dryer, Microwave, Oven, Oil Water Heater

Schools

High School:

Cold Spring Harbor High School
Elementary School:

Goosehill Primary Center
High School District:

Cold Spring Harbor
Middle School:

Cold Spring Harbor High School

The Community

Association:

false
Senior Community:

false
Pool Private:

false
Spa:

false

Parking

Garage:

true
Garage Spaces:

16
Carport:

false

Monthly cost estimate

Asking price

$19,500,000

Expense	Monthly cost
Mortgage	$104,416
Taxes	$13,718
Insurance	$5,362
Utilities	$1,851 See report
Total	$125,347/mo.^*
	^*This is an estimate

Explore the Area

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From

Walk Score®

Provided by WalkScore® Inc.

Bike Score®

Provided by WalkScore® Inc.

Air Pollution Index

Provided by ClearlyEnergy

Sale history

Date	Event	Source	Price	% Change
4/11/25 Apr 11, 2025	Listed / Active	ONEKEY	$19,500,000

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This house located in Lloyd Harbor, NY 11743 is currently for sale for $19,500,000. 31 Fort Hill Drive is a 28,000 square foot house with 13 beds and 14 baths that has been on Estately for 4 days. This house is in the attendance area of Lloyd Harbor School.

Listing Courtesy of: ONEKEY and Serhant LLC.

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. Data is deemed reliable but is not guaranteed accurate by the MLS.

Based on information submitted to the 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.