3 Heidi Lane • Mount Sinai, NY 11766

$1,050,000 Beds: 4 • Baths: 3 full 1 partial • Sq. Feet: 3992 • MLS ID: 997676 • Subdivision:School Dist: Mount Sinai
Tucked away at the end of a quiet cul-de-sac in the highly sought-after Mount Sinai School District, this exceptional Colonial offers privacy, space, and versatility on just under an acre bordering protected state-owned forest land. With no future development permitted beside the property, the setting provides a rare sense of seclusion and direct access to an expansive natural backdrop that extends far beyond the lot lines. Perched atop a hill, the property also enjoys scenic views stretching toward the Long Island Sound.Inside, this spacious 4-bedroom, 3.5-bath residence features an open and inviting layout designed for both everyday living and entertaining. The main level includes a huge living room filled with natural light, an eat-in kitchen with new refrigerator, dishwasher, and microwave, a formal dining room, and a library offering the perfect setting for a home office or reading retreat. The desirable first-floor primary suite includes a spa-like bathroom with a Jacuzzi tub, creating a comfortable and private sanctuary.A separate guest wing with its own entrance provides incredible flexibility for extended guests, creative workspace needs, or possible mother-daughter living with proper permits. Additional updates include select new cabinetry in the secondary kitchen area. The expansive unfinished basement features high ceilings and offers endless potential for future living space, including a recreation room, gym, dance studio, playroom, or media area.Outside, enjoy the peaceful surroundings, wooded privacy, and ample outdoor space ideal for entertaining, relaxing, or simply enjoying nature. Complete with a two-car garage and an unbeatable location near parks, beaches, shopping, dining, and major roadways, 3 Heidi Lane presents a rare opportunity to own a truly private retreat in Mount Sinai. View this listing at: http://stefaniabarbosa.laffey.com/mls=997676

Property Features

  • Garage: 2
  • Taxes: $23,930
  • Basement: Yes
  • Fenced: Yes
  • Formal Dining: Yes
  • Exterior: Vinyl Siding
  • Special View Info: Neighborhood,Panoramic,Skyline,Trees/Woods,Water
  • Lot Size: 0.93 Acres
  • Heating: Natural Gas
  • Cooling: Central Air,Ductwork
  • Year Built: 2001
  • Fireplaces: 1
  • Water: Public
  • Sewer: Septic Tank
  • On Market Date: 2026-05-12
  • Appliances: Convection Oven,Cooktop,Dishwasher,Disposal,Dryer,Electric Oven,Electric Water Heater,ENERGY STAR Qualified Appliances,Exhaust Fan,Gas Cooktop,Gas Oven,Oven,Range,Refrigerator,Stainless Steel Appliance(s),Washer,Gas Water Heater,Wine Refrigerator
  • Basement: Full
  • Building Area Total: 3992
  • House Faces: South
  • Exterior Features: Garden,Mailbox,Rain Gutters
  • Fencing: Fenced
  • Fireplace Features: Family Room,Wood Burning
  • Fireplace Y/N: Yes
  • Flooring: Ceramic Tile,Hardwood,Tile
  • GarageY/N: Yes
  • Interior Features: First Floor Bedroom,First Floor Full Bath,Cathedral Ceiling(s),Ceiling Fan(s),Double Vanity,Eat-in Kitchen,Entrance Foyer,Formal Dining,High Ceilings,High Speed Internet,His and Hers Closets,In-Law Floorplan,Natural Woodwork,Open Floorplan,Pantry,Primary Bathroom,Master Downstairs,Recessed Lighting,Walk-In Closet(s),Washer/Dryer Hookup,Wired for Sound
  • Laundry: Electric Dryer Hookup,Gas Dryer Hookup,In Basement,Inside,Laundry Room,Multiple Locations,Other
  • Attic: Crawl
  • Heating Zones: 2
  • Parcel Number: 0200-093-00-06-00-001-000
  • Parking Features: Driveway,Garage,Garage Door Opener
  • Patio And Porch: Deck,Terrace
  • Rental Term: Monthly
  • Rooms Total: 11
  • Skylight: Y
  • Spa Y/N: Yes
  • Utilities: Cable Connected,Electricity Connected,Natural Gas Connected,Phone Available,Trash Collection Public,Water Connected
  • Window Features: Blinds,Skylight(s),Wood Frames

School Information

  • High School: ROBERT M GRABLE JR MOUNT SINAI HIGH SCHOOL
  • Middle School: Mt Sinai Middle School
  • Elementary School: Mt Sinai Elementary School
  • School District: Mount Sinai
Printed May 13, 2026


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