




18 Horsemill Rd, Water Mill, NY, 11976
About This Home
In Watermill, one half mile from Mecox Bay, a unique opportunity to be only the third owner of a 1937 farmhouse on a farmer's acre overlooking 70 unobstructed acres of pristine farmland. The first level consists of an entry hall, one bedroom, one bathroom, a living room with a wood burning fireplace, dining room, office, kitchen, laundry room attached to a 2 car garage and a 600 square foot family room adjacent to a patio. The second level has a 600 square foot primary suite with another fireplace and ensuite bath. There is a second bedroom with an ensuite bath as well as a third bedroom and bathroom. The eat-in kitchen has a Traulson refridgerator and Gaggeneau oven and dishwasher. The house has central air, central vac and a security sysrem. There is a full basement with a McClain furnace, 2 water heaters, a sump pump and a smart water shut-off system. The lush exterior is full of mature trees and plantings as well as a secluded 18 by 45 foot inground gunite pool. The house is on a corner lot with double setbacks and 2 driveways with room for further expansion. Asking price: $6.995,000.
Getting Around
Schools
Construction
Condition
- Year built: 1937
Materials
- Roof: Shake / Shingle
- Construction materials: Wood
Type & Style
- Home type: SingleFamily
Interior
Appliances
- Appliances included: Dishwasher,Dryer,Freezer,Microwave,Range / Oven,Refrigerator,Washer
Basement
- Basement: Unfinished
Bedrooms & Bathrooms
- Bedrooms: 4
- Bathrooms: 4
- Full bathrooms: 4
Features
- Flooring: Hardwood
- Fireplace: Yes
Heating & Cooling
- Heating features: Forced air,Oil
- Cooling features: Central
Interior Area
- Total interior livable area: 4,194 sqft
Property
Details
- Parcel number: 0900116000100015000
Features
- Exterior features: Wood
Lot
- Lot size: 0.97 Acres
Parking
- Total spaces: 2
- Parking features: Garage - Attached
Climate Risk is Financial Risk
Every home has a financial story beyond the listing price. Below, you’ll see the climate risks that could affect this property — and in Bills & Affordability, how those risks may influence repairs, insurance, utilities, and long-term value.
Biggest Threats for This Home
- Inland Flooding
- Coastal Flooding
- Hurricane
- Winter Weather
- Tsunami
How This Home’s Risks Compare
FEMA Declared Disasters in Suffolk County and New York
Understanding the Costs
Financial advisors generally recommend spending no more than 30% of your gross household income on housing costs. In practice, many households stretch to 35% or beyond — especially in high-cost markets.
Estimated Costs Today
| Monthly | Annual | |
|---|---|---|
| Mortgage | $35,370 | $424,440 |
| Home Insurance * | $2,714 | $32,568 |
| Property Taxes | $192 | $2,304 |
| Electricity | $693 | $8,317 |
| Total | $38,969 | $467,628 |
Income You'd Need if You Spent...
New York FAIR Plan Programs
How Costs Could Change Over Time
Climate risk is quickly impacting all of the major home ownership costs. Adjust the growth rates and percentage of income spent on housing below to see how your housing costs could change over the next 10 years — and what income you'd need to keep up.
Comparing Against the Market
Price Per Sq Ft
vs Other Active Listings
Avg $/sqft
vs Homes Sold Last Month
Median $/sqft
Current Market Trends
Median Price Per Square Foot
The median price per square foot of homes sold in this area each month. Compare this to this listing's price per square foot to gauge whether the home is priced in line with recent sales.
Historicals for This Listing
Zestimate History ($/sqft)
No zestimate history available
Price History
| Date | Event | Price |
|---|---|---|
| 2026-07-27 | Listed for sale | $6,995,000 |
