# 13 N Willam Lane, Mount Sinai, NY 11766

> **TL;DR:** 3bd/2ba condo, $739,000 ($365/sqft), built 2002, 2,025 sqft.
> Fireplace, A/C. Est. $3,857/mo. Listed 15 days.

## Property at a Glance

| Attribute | Value |
|-----------|-------|
| Price | $739,000 |
| Price/sqft | $365 |
| Bedrooms | 3 |
| Bathrooms | 2 full |
| Square Feet | 2,025 |
| Year Built | 2002 |
| Stories | 2 |
| Property Type | Condo (Condominium) |
| Status | For Sale |
| Days on Market | 15 |

## Estimated Monthly Costs

| Category | Amount |
|----------|--------|
| Mortgage (20% down, 6.5%) | $3,202 |
| HOA | $655 |
| **Total** | **$3,857** |

## Nearby Schools

- **Elementary:** Mt Sinai Elementary School
- **Middle:** Mt Sinai Middle School
- **High:** ROBERT M GRABLE JR MOUNT SINAI HIGH SCHOOL

## Key Amenities

- Fireplace
- A/C

## Property Highlights

- Built in 2002
- 2 stories
- Fireplace

## Description

### Agent Description
Welcome to this A Pristin Detached Captree One Condo! Features 3 Bedroom, 2 full Bath, offers an open floor plan with a cathedral ceiling, Floor-to-Ceiling windows maximize sunlight and warmth. You'll be captivated by the generously proportioned rooms, adorned with upscale finishes including Hardwood Floors, Crown Molding, and Custom Craftsmanship throughout. As you step inside, the two-story Grand Foyer sets the tone for an opulent experience. A Spacious Great Room with Vaulted Ceilings and a cozy fireplace is perfect for hosting a holiday gathering. The open floor plan adjoins a Banquet-size Formal Dining room with an elegant Tray Ceiling. The heart of this home is the Gourmet Kitchen, featuring Custom Cabinetry, Tile Floors, and top-of-the-line appliances. Glass Sliders Lead to a private, oversized brick patio. The First floor Master Suite beckons with a tray ceiling, master bathroom, and walk-In closet. Additional First floor Bedroom/Office and one full bath, Laundry Room, 2 car Garage. The second floor offers a large loft with an extra bedroom and an optional full bath. This Condo is situated in the highly Desirable 24-Hours Gated Community, offering an array of amenities, including Indoor/outdoor Pools, Tennis, Bocce, Playground, Clubhouse with a fully equipped Gym, billiards room, and much more!

## Location

- **Address:** 13 N Willam Lane, Mount Sinai, NY 11766
- **County:** Suffolk County
- **Coordinates:** 40.937806, -73.005988
- **Google Maps:** https://www.google.com/maps?q=40.937806,-73.005988

## Listing Agent

- **Name:** Yaffa Stegemann
- **Brokerage:** Douglas Elliman Real Estate
- **Phone:** 6315537040
- **Email:** yaffa.stegemann@elliman.com

## Primary Photo

![13 N Willam Lane - Primary Photo](http://lh.rdcpix.com/9cd147dee83137fbba382e26f584537al-f2852003898r.jpg)

*32 total photos available on [listing page](https://www.propertysimple.com/listing/13-n-willam-lane-mount-sinai-ny-11766-y977033)*

---

**MLS#:** 977033 | **Updated:** 2026-04-24
**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/13-n-willam-lane-mount-sinai-ny-11766-y977033)

---

## Structured Data

```json
{
  "@context": "https://schema.org",
  "@type": "RealEstateListing",
  "name": "13 N Willam Lane, Mount Sinai, NY 11766",
  "description": "Welcome to this A Pristin Detached Captree One Condo! Features 3 Bedroom, 2 full Bath, offers an open floor plan with a cathedral ceiling, Floor-to-Ceiling windows maximize sunlight and warmth. You'll be captivated by the generously proportioned rooms, adorned with upscale finishes including Hardwood Floors, Crown Molding, and Custom Craftsmanship throughout. As you step inside, the two-story Grand Foyer sets the tone for an opulent experience. A Spacious Great Room with Vaulted Ceilings and a c",
  "url": "https://www.propertysimple.com/listing/13-n-willam-lane-mount-sinai-ny-11766-y977033",
  "image": "http://lh.rdcpix.com/9cd147dee83137fbba382e26f584537al-f2852003898r.jpg",
  "datePosted": "2026-04-24",
  "price": 739000,
  "priceCurrency": "USD",
  "address": {
    "@type": "PostalAddress",
    "streetAddress": "13 N Willam Lane",
    "addressLocality": "Mount Sinai",
    "addressRegion": "NY",
    "postalCode": "11766",
    "addressCountry": "US"
  },
  "geo": {
    "@type": "GeoCoordinates",
    "latitude": 40.937806,
    "longitude": -73.005988
  },
  "numberOfRooms": 3,
  "numberOfBathroomsTotal": 2,
  "floorSize": {
    "@type": "QuantitativeValue",
    "value": 2025,
    "unitCode": "FTK"
  },
  "yearBuilt": 2002
}
```