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3 Heidi LaneMount Sinai, NY 11766

For Sale

$999,000

Smart Buyer Rebate $9,990

Secluded Gem in Blue Ribbon Mount Sinai School District!
Discover an exceptional living experience at 3 Heidi Lane, a stunning Colonial-style residence privately nestled at the end of a serene cul-de-sac in desirable Mount Sinai. Perfectly placed on just under an acre, this property offers unrivaled privacy, with one side extending into state owned land, creating a tranquil and natural buffer offering seclusion from neighbors.
Inside you will find a spacious and inviting layout featuring 4 bedrooms and 3.5 bathrooms, including a coveted first floor master bedroom suite (with Jacuzzi tub) for added comfort and convenience. The heart of the home is an entertainer’s dream—a wide open floor plan on the main level, including a huge living room, eat in kitchen, formal dining room and library, making it ideal for hosting gatherings both large and small.
A distinct separate guest wing with separate entrance ensures ample space and comfort for visitors, or offers an ideal setup for a home office or creative studio or possible mother-daughter with proper permits, accommodating multi-generational living with ease.
Additional highlights include a two-car garage, a huge basement ready for finishing, and a private backyard oasis with scenic views of the Long Island Sound from the top of the hill.
Enjoy the serenity of nature, the space to entertain, and the excellence of the Mount Sinai School District—all in one breathtaking property. Don't miss your chance to own this one-of-a-kind private retreat!

Listed by Mia Kaiser SRES SRS

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Signature Premier Properties

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631-385-6024

Last updated August 09, 2025

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Source: OneKey #878709

Listing Facts

  • TypeSingle-family
  • NeighborhoodMount Sinai
  • Bedrooms4
  • Bathrooms4
  • Days on Prevu80
  • Taxes$23,930.57/year
  • Size3,944 sqft
  • Price per sqft$253

Amenities

  • Dishwasher
  • Private Outdoor Space
  • Air Conditioning
  • Parking

Location

Mortgage Calculator

Listing History

08/04/2025
Price Decreased
$999,000
06/18/2025
Listed by Signature Premier Properties
$1,099,000

Property Details for 3 Heidi Lane

Exterior

Construction

  • Year Built: 2001
  • Architectural Style: Colonial
  • Construction Materials: Vinyl Siding

Features

  • Patio And Porch Features: Deck, Patio

Measurements

  • Building Area Total: 3,992
  • Building Area Units: Square Feet
  • Lot Features: Cul-De-Sac, Landscaped, Secluded, Sprinklers In Front, Sprinklers In Rear, Views
  • Lot Size Acres: 0.93
  • Lot Size Square Feet: 40,511

Financial

Taxes

  • Parcel Number: 0200-093-00-06-00-001-000
  • Tax Annual Amount: $23,930.57
  • Tax Year: 2024

Interior

Features

  • Appliances: Dishwasher, Microwave, Oven, Range, Refrigerator, Stainless Steel Appliance(s)
  • Fireplace Features: Living Room, Wood Burning
  • Fireplace: Yes
  • Flooring: Carpet, Ceramic Tile, Hardwood
  • Interior Features: First Floor Bedroom, First Floor Full Bath, Breakfast Bar, Cathedral Ceiling(s), Chandelier, Eat-in Kitchen, Entrance Foyer, Formal Dining, High Ceilings, His And Hers Closets, In-Law Floorplan, Kitchen Island, Master Downstairs, Open Kitchen, Pantry, Walk-In Closet(s), Washer/Dryer Hookup

Measurements

  • Living Area: 3,944
  • Living Area Source: Public Records

Rooms

  • Basement: Full, Unfinished
  • Has Basement: Yes
  • Bathrooms Full: 3
  • Bathrooms Half: 1
  • Bathrooms Total Integer: 4
  • Bedrooms Total: 4
  • Rooms Total: 11

Parking

Parking

  • Garage Spaces: 2
  • Garage: Yes
  • Parking Features: Driveway, Garage

Schools

Elementary School

  • Elementary School: Mt Sinai Elementary School
  • Elementary School District: Mount Sinai

High School

  • High School: ROBERT M GRABLE JR MOUNT SINAI HIGH SCHOOL
  • High School District: Mount Sinai

Middle or Junior School

  • Middle Or Junior School: Mt Sinai Middle School
  • Middle Or Junior School District: Mount Sinai

Utilities

Equipment

  • Cooling: Central Air
  • Heating: Forced Air
  • Sewer: Septic Tank
  • Utilities: Electricity Connected, Natural Gas Connected, Water Connected
  • Water Source: Public

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Full MLS Disclaimers

Rebate estimate is indicative only and based on listing price and estimated buyer's agent commission paid by owner, if applicable. Final rebates are subject to Terms of Use and may vary due to final negotiated transaction terms.