# 3 Seaforth Lane, Lloyd Harbor, NY 11743

> **TL;DR:** 5bd/5ba single family, $4,290,000 ($858/sqft), built 2026, 5,000 sqft.
> Fireplace, A/C. Est. $18,590/mo. Listed 15 days.

## Property at a Glance

| Attribute | Value |
|-----------|-------|
| Price | $4,290,000 |
| Price/sqft | $858 |
| Bedrooms | 5 |
| Bathrooms | 4 full, 1 half |
| Square Feet | 5,000 |
| Year Built | 2026 |
| Lot Size | 116,305 sqft (2.67 acres) |
| Stories | 2 |
| Property Type | Single Family (Single Family Residence) |
| Status | For Sale |
| Days on Market | 15 |

## Estimated Monthly Costs

| Category | Amount |
|----------|--------|
| Mortgage (20% down, 6.5%) | $18,590 |
| **Total** | **$18,590** |

## Nearby Schools

- **Elementary:** Lloyd Harbor School
- **Middle:** Cold Spring Harbor High School
- **High:** Cold Spring Harbor High School

## Key Amenities

- Fireplace
- A/C

## Property Highlights

- Built in 2026
- 2.67 acre lot
- 2 stories
- Fireplace

## Description

### Agent Description
BRAND NEW CONSTRUCTION ~ TO BE BUILT. This is an opportunity to customize your exclusive Luxury Residence. Local prominent builder, will finish to perfection on this incredible flat 2.67 acre beautiful property. Thoughtful floorplan incorporated, with proposed residence, offering 5 Bedrooms, Kitchen with high end appliances, quartzite, open to Great Room, Office/Bedroom Ensuite, on first, Dining Room and Mud Room for essential usage space. Radiant heat in Primary Bath and Mud Room. 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. Abundance of light with french doors leading out to large patio and portico. 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. Private Fort Hill and Lloyd Harbor Beach with mooring rights, cabana, tennis and summer camp (fee). (Renderings for marketing purposes only) CSHSD #2

## Location

- **Address:** 3 Seaforth Lane, Lloyd Harbor, NY 11743
- **County:** Suffolk County
- **Coordinates:** 40.920192, -73.48742
- **Google Maps:** https://www.google.com/maps?q=40.920192,-73.48742

## Listing Agent

- **Name:** Janine Gleusner
- **Brokerage:** Signature Premier Properties
- **Phone:** 5166374842
- **Email:** jgleusner@signaturepremier.com

## Primary Photo

![3 Seaforth Lane - Primary Photo](http://lh.rdcpix.com/22a347eee5c3a67549713369b39d0371l-f2289018927r.jpg)

*11 total photos available on [listing page](https://www.propertysimple.com/listing/3-seaforth-lane-lloyd-harbor-ny-11743-y981869)*

---

**MLS#:** 981869 | **Updated:** 2026-06-18
**Source:** listhub

*Copyright © 2026 OneKey MLS. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified.*

[View on PropertySimple](https://www.propertysimple.com/listing/3-seaforth-lane-lloyd-harbor-ny-11743-y981869)

---

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