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18 Horsemill Lane
Watermill NY 11976 US

$6,995,000

Active Listing ID 11943323
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Other

$6,995,000

Active Listing ID 11943323
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18 Horsemill Lane 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 overllooking 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, eat-in kitchen, laundry room attached to a two car garage and a family room adajcent to a patio. A second level has a large primary suite with a second fireplace and ensuite bath. There is a seond bedroom with an ensuite bath as well as a third bedroom and bathroom. The kitchen has a Traulson refridgerator and Gaggenau oven and dishwasher. The house has central air, central vac and a security system. There is a full basement with a McClain furnace, two hot 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 two driveways with room for further expansion.

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Property Features

  • Facts
  • Property Type: Residential
  • Property Sub-type: Other

Property

  • propertytype: Residential
  • propertysubtype: Other
  • listprice: 6995000
  • unparsedaddress: 18 Horsemill Lane
  • postalcity: Watermill
  • stateorprovince: NY
  • country: US
  • postalcode: 11976
  • bathroomsfull: 0
  • bathroomshalf: 0
  • bathroomsonequarter: 0
  • bathroomsthreequarter: 0
  • lotsizeunits: Acres
  • livingarea: 0
  • livingareaunits: Square Feet
  • latitude: 40.910649
  • longitude: -72.317235
  • listagentfullname: Robert Ross
  • listagentemail: rjross78@gmail.com
  • listagentkey: 3yd-NYSMLS-537693
  • listagentmlsid: 537693
  • listofficekey: 3yd-NYSMLS-43811
  • listofficemlsid: 43811
  • disclaimer: Copyright © 2026 My State MLS. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified.
  • sourcesystemid: NYSMLS
  • listingcontractdate: 2026-08-20
  • countyorparish: Suffolk
  • parcelnumber: 900-116.000-01-015.000
  • fireplaceyn: False
  • transactiontype: ForSale
  • storiestotal: 0
  • parkingtotal: 0
  • waterfrontyn: False
  • franchiseaffiliation: None
  • dock: False
  • poolprivateyn: False
  • spayn: False
  • internetaddressdisplayyn: True
  • internetautomatedvaluationdisplayyn: True
  • internetconsumercommentyn: True
  • location: -72.31724, 40.91065
  • customfields: {"AdditionalInformation":{}, "AlternatePrices":[], "BrokerName":"ROBERT ROSS", "BuilderEmail":null, "BuilderFax":null, "BuilderPhone":null, "City":null, "Country":null, "CustomSourceId":null, "Expenses":[], "GeocodeOptions":null, "LeadRoutingEmail":"rjross78@gmail.com", "ListBrokerageCity":"NEW YORK", "ListBrokerageCountry":"US", "ListBrokerageEmail":null, "ListBrokerageLogoUrl":null, "ListBrokerageName":"ROBERT ROSS", "ListBrokeragePhone":null, "ListBrokeragePostalCode":null, "ListBrokerageStateOrProvince":null, "ListBrokerageUnitNumber":null, "ListBrokerageUnparsedAddress":"1350 AVENUE OF THE AMERICAS C/O RJR LAW ", "ListBrokerageWebsiteUrl":null, "ListOfficeAddress1":"1350 AVENUE OF THE AMERICAS C/O RJR LAW ", "ListOfficeAddress2":null, "ListOfficeBrokerMlsId":"43811", "ListOfficeCity":"NEW YORK", "ListOfficeCountry":"US", "ListOfficeEmail":null, "ListOfficePostalCode":"10019", "ListOfficeStateOrProvince":"NY", "ListPriceCurrencyType":"USD", "ListingTitle":"Residential, Watermill, NY", "ListingURL":"https://www.realtor.com/realestateandhomes-detail/18-Horsemill-Rd_Water-Mill_NY_11976_M36736-09430?f=listhub&s=NYSMLS&m=11943323&c=rexren", "MLSModificationTimestamp":"2026-08-21 15:24:45", "Neighborhoods":[], "PostalCode":null, "RoomCount":null, "StateOrProvince":null, "Taxes":[], "UnitNumber":null, "UnparsedAddress":null}
Listing Changed: 8/21/2026 3:29:19 PM GMT
Source Updated Date: 9/5/2026 12:48:41 PM GMT

Courtesy of: Robert Ross, ROBERT ROSS, rjross78@gmail.com

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