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31 Mallard Drive

Lloyd Harbor, NY 11743

7 beds
10 baths
– sqft
~7 acre lot
1926 build
– on site

Discover Kenjockety, a 1926 waterfront estate by architect Bertrum Grosvenor Goodhue, set on 6.8 acres in Lloyd Harbor. Perched 100+ feet above Long Island Sound, this estate offers breathtaking water views of Oyster Bay and Connecticut. Enjoy 600+ feet of private beachfront, and a heated Gunite pool. Gas lanterns, vibrant gardens and a greenhouse complete the serene outdoor setting. Inside, historic charm meets modern luxury. Features include Venetian plaster walls, radiant-heated floors, seven fireplaces and geothermal heating. The gourmet kitchen boasts Wolf appliances, custom cabinetry and panormaic views. Entertain in the formal dining room with seating for twenty, library with hidden wet bar and expansive living spaces. The home offers 7 en-suite bedrooms, including a primary suite with a gas fireplace, walk-in closet and waterfront balcony. One bedroom Guest Cottage with full kitchen, bath and living room.

Listing courtesy of ONEKEY / Daniel Gale Sothebys Intl Rlty

Last checked: Checking… • Last updated Jan 30, 2025 •

MLS# 804695 —

The Building

Year Built:

1926
Basement:

true
Architectural Style:

Estate
Construction Materials:

Brick
Building Area Units:

Square Feet
Laundry Features:

Multiple Locations
Attic:

Storage

Interior

Total Rooms:

21
Interior Features:

Eat-in Kitchen, Entrance Foyer, Formal Dining, Heated Floors, Primary Bathroom, Walk-In Closet(s), Wet Bar
Fireplaces Total:

7
Fireplace:

true
Flooring:

Hardwood
Living Area Source:

Plans
# of Kitchens:

2

Financial & Terms

Lease Considered:

false

The Property

Lot Size Acres:

6.8
Property Type:

Residential
Property Subtype:

Single Family Residence
Property Attached:

false
Waterfront:

true
Frontage Length:

600ft

Listing Agent

Contact info:

Taxes

Tax Year:

2024
Tax Source:

Municipality
Tax Annual Amount:

98592.18
Included In Taxes:

Trash

Beds

Total Bedrooms:

7

Baths

Full Baths:

7
Half Baths:

3
Total Baths:

10

The Listing

Special Listing Conditions:

None

Heating & Cooling

Heating:

Geothermal
Cooling:

Geothermal

Utilities

Sewer:

Cesspool
Utilities:

See Remarks
Water Source:

Public

Appliances

Appliances:

Convection Oven, Cooktop, Dishwasher, Dryer, Freezer, Refrigerator, Washer, Wine Refrigerator

Schools

High School:

Cold Spring Harbor High School
Elementary School:

Contact Agent
High School District:

Cold Spring Harbor
Middle School:

Cold Spring Harbor High School

The Community

Association:

true
Senior Community:

false
Association Fee:

1000
Association Fee Frequency:

Annually
Pool Features:

In Ground
Pool Private:

true
Association Fee Includes:

Snow Removal

Parking

Garage:

true
Garage Spaces:

2
Carport:

false

Monthly cost estimate

Asking price

$12,900,000

Expense	Monthly cost
Mortgage	$69,075
Taxes	$8,216
Insurance	$3,547
HOA fees	$83
Utilities	N/A
Total	$80,921/mo.^*
	^*This is an estimate

Explore the Area

My Commute

From

Walk Score®

Provided by WalkScore® Inc.

Bike Score®

Provided by WalkScore® Inc.

Sale history

Date	Event	Source	Price	% Change
12/11/24 Dec 11, 2024	Listed / Active	ONEKEY	$12,900,000

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This house located in Lloyd Harbor, NY 11743 is currently for sale for $12,900,000. 31 Mallard Drive is a – square foot house with 7 beds and 10 baths that has been on Estately for 52 days. This house is in the attendance area of Lloyd Harbor School.

Listing Courtesy of: ONEKEY and Daniel Gale Sothebys Intl Rlty.

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.