3 Seaforth Lane Lloyd Harbor, NY $ 4,290,000
3 Seaforth Lane
$ 4,290,000
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3 Seaforth Lane

Lloyd Harbor, NY, 11743
$ 4,290,000
Bedrooms5 Baths4.1 Sq 5,200

Monthly Estimate*

$ 27,088

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Single Family Home for sale in Lloyd Harbor, NY

for $4,290,000 with 5 bedrooms and 4 full baths, 1 half bath. This 5,200 square foot home was built in 2026 on a lot size of 2.67.

BRAND NEW CONSTRUCTION ~ TO BE BUILT. This is an opportunity to customize your exclusive Luxury Residence. This home has an expected completion of early 2027. Local prominent builder, will finish to perfection on this incredible flat 2.67 acre of beautiful property. Thoughtful floorplan incorporated, with proposed residence, offering 5 Bedrooms, Kitchen with high end appliances, quartz countertops, open to Great Room, Office/Bedroom Ensuite on first, Dining Room and Mud Room. Radiant heat in Primary Bath and Mud Room. In addition, this new residence offers; 2 Laundry Rooms one on 1st and 2nd floor, Bonus Room over Garage. The Great Room encompasses a wall of glass overlooking the stunning property, including 4 French doors with additional windows, offering an abundance of natural light. The French doors open to an outside patio with covered porch for multi seasonal enjoyment. Ceilings Height 10 Ft. on First Floor, 9 Foot and Cathedral on Second Floor, 9 Foot Ceiling in Basement. Stunning oversized custom front window with bronze finish for the ultimate curb appeal. 3 Car Garage, side loaded, situated on the left side of the home. Marvin windows, Maibec siding, Azek trim, 5" Oak floors, Rheem CAC, 300 amp underground electrical service, Navien boiler hot water system, Central vac, Thermadore appliance package, LG washer dryer, are some of the many amenities offered. This high-end new construction offers fresh on point, sophisticated design. Mature plantings provide a serene setting. Spectacular setting close to Fort Hill Beach, Town, shops, restaurants, train, CSH library and all the local Village has to offer. Assoc. fee of $2,250. Private Fort Hill and Lloyd Harbor Beach with mooring rights, cabana, tennis and summer camp (fee). (Renderings for marketing purposes only) CSHSD #2

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Single Family Active

Price

$ 4,290,000

Bedrooms

5

Full Bath

4

Half Bath

1

Property Type

Single Family

Taxes

$ 7,266

Style

Estate

Lot Size

2.67

Year Built

2026

Town/City

Lloyd Harbor

County/Region

Suffolk

MLS | Web ID

981869

Features
Interior
Interior Amenities First Floor Bedroom First Floor Full Bath Cathedral Ceiling(s) Central Vacuum Crown Molding Double Vanity Eat-in Kitchen ENERGY STAR Qualified Door(s) Entrance Foyer Formal Dining High Ceilings Kitch
Basement Full
Flooring Wood
Total Fireplaces 1
Basement Features Full
Basement (Y/N) Y
Window Features ENERGY STAR Qualified Windows
Fireplace Y/N Y
Half Baths 1
Total Bedrooms 5
Total Baths 5
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General
Sewer Cesspool
Heating Other Radiant Floor
Cooling Central Air
Utilities Electricity Connected
Appliances Dishwasher Dryer ENERGY STAR Qualified Appliances Freezer Gas Cooktop Microwave Range Refrigerator Stainless Steel Appliance(s) Washer Wine Refrigerator
HOA Fee 2250
Garage Spaces 3
Patio/Porch Features Patio Porch
Architectural Style Estate
Construction Materials Frame
Year Built 2026
View Panoramic
Property Subtype Single Family Residence
Tax Year 2026
Parcel Number 0403-006-00-02-00-025-001
Waterfront Features Beach Access
County Suffolk County
Property Type Residential
HOA Y
Garage Y/N Y
Total Rooms 10
Full Baths 4
Directions Lloyd Harbor Rd. L on Fort Hill (1st left off the causeway) to Dogwood R on Seaforth. Property on Rt. Or ~ Lloyd Ln. L on Seaforth
High School Cold Spring Harbor High School
City Huntington
Senior Community Y/N N
High School District Cold Spring Harbor
Carport Y/N N
Green Building Verification Type NGBS New Construction
Elementary School Lloyd Harbor School
Property Attached Y/N Y
Tax Annual Amount 7266.73
Middle/Junior High School Cold Spring Harbor High School
Building Area Units Square Feet
Standard Status Active
Middle/Junior School District Cold Spring Harbor
Elementary School District Cold Spring Harbor
Tax Lot 1
Year Built Effective 2026
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Exterior
Parking Features Driveway Driveway
Water Source Public
Spa N
Building Area Total 6384
Waterfront Y/N N
Road Responsibility Private Maintained Road
Horse Y/N Y
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Internal Only
Street Number 1 3
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* Excluded Features
List By
Janine Gleusner

Listing Agent

Signature Premier Properties

Broker

631-692-4800

Contact

Affordability Calculator

$27,693
Per Month
98%
2%
0%
Monthly Principal & Interest
$27,088
Monthly Property Taxes
$606
Monthly Home Insurance
--
Default based on a 30-year fixed rate of 6.49% 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
5121323 Elementary School
4100074 Middle School
Cold Spring Harbor High School High School
Pricing History
DatePricePrice ChangeDescription
5/26/2026$3,895,000 Listed Price

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3 Seaforth Lane, Lloyd Harbor, NY, 11743 is a Single Family Home for sale at $4,290,000 with 5,200 sqft and a lot size of 2.67. 3 Seaforth Lane has 5 bedrooms, 4.1 baths, and was built in 2026. The property's zip code is 11743 which is in Lloyd Harbor, NY