250 Oyster Bay Road • Locust Valley, NY 11560

$4,525,000 Beds: 5 • Baths: 6 full 1 partial • Sq. Feet: 9023 • MLS ID: 1022418 • Subdivision:School Dist: Locust Valley
United Mortgage Corp.
Exceptional brick estate offering 9,023 sq ft of refined living with 5 bedrooms and 6.5 baths on nearly two private acres in Locust Valley. Built in 2005, the home showcases custom mahogany millwork throughout, a dramatic two-story foyer with a sweeping butterfly staircase, and a great room framed by a soaring wall of arched windows. A first-floor library and dedicated meditation room offer quiet retreats. The chef's kitchen features rich custom cabinetry, coffered ceilings, an oversized center island, and a full suite of Viking appliances including a professional gas range, complemented by a butler's pantry with built-in wine storage and dual Viking wine refrigerators. The grand-scale primary suite is a wing unto itself, with a fireplace, sitting area, boutique-style dressing room, and an oversized spa bath with soaking tub and separate shower. A full-width entertainer's terrace spans the rear of the home, overlooking the manicured grounds. Below, the expansive walk-out garden level opens to the lawn through a graceful arched loggia - ideal for recreation, gym, or guest space. A rare blend of scale, craftsmanship, and privacy moments from Locust Valley village. View this listing at: http://www.laffey.com/lid=188007873

Property Features

  • Garage: 3
  • Taxes: $47,371
  • Basement: Yes
  • Formal Dining: Yes
  • Swimming Pool: Yes
  • Exterior: Brick
  • Lot Size: 1.96 Acres
  • Heating: Forced Air
  • Cooling: Central Air
  • Year Built: 2005
  • Water: Public
  • Sewer: Public Sewer
  • On Market Date: 2026-07-07
  • Appliances: Dishwasher,Dryer,Gas Oven,Gas Range,Refrigerator
  • Basement: Finished,Walk-Out Access
  • Building Area Total: 10069
  • Fireplace Y/N: Yes
  • Flooring: Hardwood
  • GarageY/N: Yes
  • Interior Features: First Floor Bedroom,First Floor Full Bath,Eat-in Kitchen,Formal Dining,Primary Bathroom,Storage
  • Attic: Walkup
  • Parcel Number: 2421-23-K-00-0653-0
  • Parking Features: Driveway,Garage
  • Rental Term: Monthly
  • Rooms Total: 12
  • Utilities: Cable Available,Electricity Available,Natural Gas Available,Phone Available,Sewer Connected

School Information

  • High School: Locust Valley High School
  • Middle School: Locust Valley Middle School
  • Elementary School: Ann Macarthur Primary School
  • School District: Locust Valley
Printed July 08, 2026


Disclaimer: All information deemed reliable but not guaranteed. All properties are subject to prior sale, change or withdrawal. Neither listing broker(s) or information provider(s) shall be responsible for any typographical errors, misinformation, misprints and shall be held totally harmless. Listing(s) information is provided for consumers personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Information on this site was last updated 07/08/2026. The listing information on this page last changed on 07/08/2026. The data relating to real estate for sale on this website comes in part from the Internet Data Exchange program of Delta Media Group MLS (last updated Wed 07/08/2026 12:08:44 AM EST) or OneKey MLS (last updated Wed 07/08/2026 12:00:27 AM EST). Real estate listings held by brokerage firms other than Laffey Real Estate may be marked with the Internet Data Exchange logo and detailed information about those properties will include the name of the listing broker(s) when required by the MLS. All rights reserved.

mls logo
Listing data and photos distributed by MLSGRID
Member Participants (and their affiliated licensees, if applicable) shall indicate on their websites that IDX information is provided exclusively for consumers’ personal non-commercial use, that it may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing, that the data is deemed reliable but is not guaranteed by MLS GRID, and that the use of the MLS GRID Data may be subject to an end user license agreement prescribed by the Member Participant’s applicable MLS if any and as amended from time to time. MLS GRID may, at its discretion, require use of other disclaimers as necessary to protect Member Participant, and/or their MLS from liability.
Based on information submitted to the MLS GRID. All data is obtained from various sources and may not have been verified by broker or MLS GRID. Supplied Open House Information is subject to change without notice. All information should be independently reviewed and verified for accuracy. Properties may or may not be listed by the office/agent presenting the information.



Privacy Policy / DMCA Notice / ADA Accessibility